Use a messagebox to display the error when -server is provided without providing...
[novacoin.git] / src / qt / bitcoingui.cpp
index b45a4f9..ed891f3 100644 (file)
@@ -2,20 +2,30 @@
  * Qt4 bitcoin GUI.
  *
  * W.J. van der Laan 2011
+ * The Bitcoin Developers 2011
  */
 #include "bitcoingui.h"
 #include "transactiontablemodel.h"
-#include "addressbookdialog.h"
+#include "addressbookpage.h"
 #include "sendcoinsdialog.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 "main.h"
+#include "addresstablemodel.h"
+#include "transactionview.h"
+#include "overviewpage.h"
+#include "bitcoinunits.h"
+#include "guiconstants.h"
+#include "askpassphrasedialog.h"
+#include "notificator.h"
+
+#ifdef Q_WS_MAC
+#include "macdockiconhandler.h"
+#endif
 
 #include <QApplication>
 #include <QMainWindow>
 #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 <QProgressBar>
+#include <QStackedWidget>
+#include <QDateTime>
+#include <QMovie>
+#include <QTimer>
 
-#include <QDebug>
+#include <QDragEnterEvent>
+#include <QUrl>
 
 #include <iostream>
 
 BitcoinGUI::BitcoinGUI(QWidget *parent):
-    QMainWindow(parent), trayIcon(0)
+    QMainWindow(parent),
+    clientModel(0),
+    walletModel(0),
+    encryptWalletAction(0),
+    changePassphraseAction(0),
+    aboutQtAction(0),
+    trayIcon(0),
+    notificator(0)
 {
     resize(850, 550);
-    setWindowTitle(tr("Bitcoin"));
+    setWindowTitle(tr("Bitcoin Wallet"));
+#ifndef Q_WS_MAC
     setWindowIcon(QIcon(":icons/bitcoin"));
-
+#else
+    setUnifiedTitleAndToolBarOnMac(true);
+    QApplication::setAttribute(Qt::AA_DontShowIconsInMenus);
+#endif
+    // Accept D&D of URIs
+    setAcceptDrops(true);
+
+    // Create actions for the toolbar, menu bar and tray/dock icon
     createActions();
 
-    // 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);
-
-    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);
-    
+    // Create application menu bar
+    createMenuBar();
+
+    // Create the toolbars
+    createToolBars();
+
+    // 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);
+
+    addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
+
+    receiveCoinsPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab);
+
+    sendCoinsPage = new SendCoinsDialog(this);
 
-    vbox->addWidget(createTabs());
+    centralWidget = new QStackedWidget(this);
+    centralWidget->addWidget(overviewPage);
+    centralWidget->addWidget(transactionsPage);
+    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->setFrameStyle(QFrame::Panel | QFrame::Sunken);
+    frameBlocks->setContentsMargins(0,0,0,0);
+    frameBlocks->setMinimumWidth(56);
+    frameBlocks->setMaximumWidth(56);
+    QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
+    frameBlocksLayout->setContentsMargins(3,0,3,0);
+    frameBlocksLayout->setSpacing(3);
+    labelEncryptionIcon = new QLabel();
+    labelConnectionsIcon = new QLabel();
+    labelBlocksIcon = new QLabel();
+    frameBlocksLayout->addStretch();
+    frameBlocksLayout->addWidget(labelEncryptionIcon);
+    frameBlocksLayout->addStretch();
+    frameBlocksLayout->addWidget(labelConnectionsIcon);
+    frameBlocksLayout->addStretch();
+    frameBlocksLayout->addWidget(labelBlocksIcon);
+    frameBlocksLayout->addStretch();
+
+    // Progress bar for blocks download
+    progressBarLabel = new QLabel(tr("Synchronizing with network..."));
+    progressBarLabel->setVisible(false);
+    progressBar = new QProgressBar();
+    progressBar->setToolTip(tr("Block chain synchronization in progress"));
+    progressBar->setVisible(false);
+
+    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()));
+
+    // Doubleclicking on a transaction on the transaction history page shows details
+    connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
+
+    gotoOverviewPage();
+}
 
-    createTrayIcon();
+BitcoinGUI::~BitcoinGUI()
+{
+#ifdef Q_WS_MAC
+    delete appMenuBar;
+#endif
 }
 
 void BitcoinGUI::createActions()
 {
-    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"));
-
-    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()));
+    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);
+
+    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);
+
+    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);
+
+    sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
+    sendCoinsAction->setToolTip(tr("Send coins to a bitcoin address"));
+    sendCoinsAction->setCheckable(true);
+    sendCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_2));
+    tabGroup->addAction(sendCoinsAction);
+
+    connect(overviewAction, SIGNAL(triggered()), this, SLOT(showNormal()));
+    connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
+    connect(historyAction, SIGNAL(triggered()), this, SLOT(showNormal()));
+    connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
+    connect(addressBookAction, SIGNAL(triggered()), this, SLOT(showNormal()));
+    connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
+    connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(showNormal()));
+    connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
+    connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(showNormal()));
+    connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
+
+    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 %1").arg(qApp->applicationName()), this);
+    aboutAction->setToolTip(tr("Show information about Bitcoin"));
+    aboutAction->setMenuRole(QAction::AboutRole);
+    aboutQtAction = new QAction(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 bitcoin"));
+    optionsAction->setMenuRole(QAction::PreferencesRole);
+    openBitcoinAction = new QAction(QIcon(":/icons/bitcoin"), tr("Open &Bitcoin"), this);
+    openBitcoinAction->setToolTip(tr("Show the Bitcoin window"));
+    exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
+    exportAction->setToolTip(tr("Export the current view to a file"));
+    encryptWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Encrypt Wallet"), this);
+    encryptWalletAction->setToolTip(tr("Encrypt or decrypt wallet"));
+    encryptWalletAction->setCheckable(true);
+    changePassphraseAction = new QAction(QIcon(":/icons/key"), tr("&Change Passphrase"), this);
+    changePassphraseAction->setToolTip(tr("Change the passphrase used for wallet encryption"));
+
+    connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
+    connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
+    connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
+    connect(aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
+    connect(openBitcoinAction, SIGNAL(triggered()), this, SLOT(showNormal()));
+    connect(encryptWalletAction, SIGNAL(triggered(bool)), this, SLOT(encryptWallet(bool)));
+    connect(changePassphraseAction, SIGNAL(triggered()), this, SLOT(changePassphrase()));
 }
 
-void BitcoinGUI::setModel(ClientModel *model)
+void BitcoinGUI::createMenuBar()
 {
-    this->model = model;
-
-    // Keep up to date with client
-    setBalance(model->getBalance());
-    connect(model, SIGNAL(balanceChanged(qint64)), this, SLOT(setBalance(qint64)));
-
-    setNumConnections(model->getNumConnections());
-    connect(model, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
-
-    setNumTransactions(model->getNumTransactions());
-    connect(model, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
-
-    setNumBlocks(model->getNumBlocks());
-    connect(model, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
-
-    setAddress(model->getAddress());
-    connect(model, SIGNAL(addressChanged(QString)), this, SLOT(setAddress(QString)));
-
-    // Report errors from network/worker thread
-    connect(model, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));    
-
-    // Put transaction list in tabs
-    setTabsModel(model->getTransactionTableModel());
+#ifdef Q_WS_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(quitAction);
+
+    QMenu *settings = appMenuBar->addMenu(tr("&Settings"));
+    settings->addAction(encryptWalletAction);
+    settings->addAction(changePassphraseAction);
+    settings->addSeparator();
+    settings->addAction(optionsAction);
+
+    QMenu *help = appMenuBar->addMenu(tr("&Help"));
+    help->addAction(aboutAction);
+    help->addAction(aboutQtAction);
 }
 
-void BitcoinGUI::createTrayIcon()
+void BitcoinGUI::createToolBars()
 {
-    QMenu *trayIconMenu = new QMenu(this);
-    trayIconMenu->addAction(openBitcoin);
-    trayIconMenu->addAction(sendcoins);
-    trayIconMenu->addAction(options);
-    trayIconMenu->addSeparator();
-    trayIconMenu->addAction(quit);
-
-    trayIcon = new QSystemTrayIcon(this);
-    trayIcon->setContextMenu(trayIconMenu);
-    trayIcon->setIcon(QIcon(":/icons/toolbar"));
-    connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
-            this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
-    trayIcon->show();
+    QToolBar *toolbar = addToolBar(tr("Tabs toolbar"));
+    toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
+    toolbar->addAction(overviewAction);
+    toolbar->addAction(sendCoinsAction);
+    toolbar->addAction(receiveCoinsAction);
+    toolbar->addAction(historyAction);
+    toolbar->addAction(addressBookAction);
+
+    QToolBar *toolbar2 = addToolBar(tr("Actions toolbar"));
+    toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
+    toolbar2->addAction(exportAction);
 }
 
-void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
+void BitcoinGUI::setClientModel(ClientModel *clientModel)
 {
-    if(reason == QSystemTrayIcon::DoubleClick)
+    this->clientModel = clientModel;
+    if(clientModel)
     {
-        // Doubleclick on system tray icon triggers "open bitcoin"
-        openBitcoin->trigger();
+        if(clientModel->isTestNet())
+        {
+            QString title_testnet = windowTitle() + QString(" ") + tr("[testnet]");
+            setWindowTitle(title_testnet);
+#ifndef Q_WS_MAC
+            setWindowIcon(QIcon(":icons/bitcoin_testnet"));
+#else
+            MacDockIconHandler::instance()->setIcon(QIcon(":icons/bitcoin_testnet"));
+#endif
+            if(trayIcon)
+            {
+                trayIcon->setToolTip(title_testnet);
+                trayIcon->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());
+        connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
+
+        // Report errors from network/worker thread
+        connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
     }
 }
 
-QWidget *BitcoinGUI::createTabs()
+void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 {
-    QStringList tab_labels;
-    tab_labels  << tr("All transactions")
-                << tr("Sent/Received")
-                << tr("Sent")
-                << tr("Received");
-
-    QTabWidget *tabs = new QTabWidget(this);
-    for(int i = 0; i < tab_labels.size(); ++i)
+    this->walletModel = walletModel;
+    if(walletModel)
     {
-        QTableView *view = new QTableView(this);
-        tabs->addTab(view, tab_labels.at(i));
+        // Report errors from wallet thread
+        connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 
-        connect(view, SIGNAL(doubleClicked(const QModelIndex&)), this, SLOT(transactionDetails(const QModelIndex&)));
-        transactionViews.append(view);
-    }
+        // Put transaction list in tabs
+        transactionView->setModel(walletModel);
 
-    return tabs;
-}
+        overviewPage->setModel(walletModel);
+        addressBookPage->setModel(walletModel->getAddressTableModel());
+        receiveCoinsPage->setModel(walletModel->getAddressTableModel());
+        sendCoinsPage->setModel(walletModel);
 
-void BitcoinGUI::setTabsModel(QAbstractItemModel *transaction_model)
-{
-    QStringList tab_filters;
-    tab_filters << "^."
-            << "^["+TransactionTableModel::Sent+TransactionTableModel::Received+"]"
-            << "^["+TransactionTableModel::Sent+"]"
-            << "^["+TransactionTableModel::Received+"]";
+        setEncryptionStatus(walletModel->getEncryptionStatus());
+        connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
 
-    for(int i = 0; i < transactionViews.size(); ++i)
-    {
-        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);
-
-        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();
-
-        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);
-    }
+        // Balloon popup for new transaction
+        connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
+                this, SLOT(incomingTransaction(QModelIndex,int,int)));
 
-    connect(transaction_model, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
-            this, SLOT(incomingTransaction(const QModelIndex &, int, int)));
+        // Ask for passphrase if needed
+        connect(walletModel, SIGNAL(requireUnlock()), this, SLOT(unlockWallet()));
+    }
 }
 
-void BitcoinGUI::sendcoinsClicked()
+void BitcoinGUI::createTrayIcon()
 {
-    SendCoinsDialog dlg;
-    dlg.setModel(model);
-    dlg.exec();
-}
+    QMenu *trayIconMenu;
+#ifndef Q_WS_MAC
+    trayIcon = new QSystemTrayIcon(this);
+    trayIconMenu = new QMenu(this);
+    trayIcon->setContextMenu(trayIconMenu);
+    trayIcon->setToolTip("Bitcoin 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();
+    connect(dockIconHandler, SIGNAL(dockIconClicked()), openBitcoinAction, SLOT(trigger()));
+    trayIconMenu = dockIconHandler->dockMenu();
+#endif
+
+    // Configuration of the tray icon (or dock icon) icon menu
+    trayIconMenu->addAction(openBitcoinAction);
+    trayIconMenu->addSeparator();
+    trayIconMenu->addAction(receiveCoinsAction);
+    trayIconMenu->addAction(sendCoinsAction);
+    trayIconMenu->addSeparator();
+    trayIconMenu->addAction(optionsAction);
+#ifndef Q_WS_MAC // This is built-in on Mac
+    trayIconMenu->addSeparator();
+    trayIconMenu->addAction(quitAction);
+#endif
 
-void BitcoinGUI::addressbookClicked()
-{
-    AddressBookDialog dlg(AddressBookDialog::ForEditing);
-    dlg.setModel(model->getAddressTableModel());
-    dlg.setTab(AddressBookDialog::SendingTab);
-    dlg.exec();
+    notificator = new Notificator(tr("bitcoin-qt"), trayIcon);
 }
 
-void BitcoinGUI::receivingAddressesClicked()
+#ifndef Q_WS_MAC
+void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 {
-    AddressBookDialog dlg(AddressBookDialog::ForEditing);
-    dlg.setModel(model->getAddressTableModel());
-    dlg.setTab(AddressBookDialog::ReceivingTab);
-    dlg.exec();
+    if(reason == QSystemTrayIcon::Trigger)
+    {
+        // Click on system tray icon triggers "open bitcoin"
+        openBitcoinAction->trigger();
+    }
 }
+#endif
 
 void BitcoinGUI::optionsClicked()
 {
+    if(!clientModel || !clientModel->getOptionsModel())
+        return;
     OptionsDialog dlg;
-    dlg.setModel(model->getOptionsModel());
+    dlg.setModel(clientModel->getOptionsModel());
     dlg.exec();
 }
 
 void BitcoinGUI::aboutClicked()
 {
     AboutDialog dlg;
+    dlg.setModel(clientModel);
     dlg.exec();
 }
 
-void BitcoinGUI::newAddressClicked()
+void BitcoinGUI::setNumConnections(int count)
 {
-    EditAddressDialog dlg(EditAddressDialog::NewReceivingAddress);
-    dlg.setModel(model->getAddressTableModel());
-    if(dlg.exec())
+    QString icon;
+    switch(count)
     {
-        QString newAddress = dlg.saveCurrentRow();
-        // Set returned address as new default addres
-        if(!newAddress.isEmpty())
-        {
-            model->setAddress(newAddress);
-        }
+    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 Bitcoin network", "", count));
 }
 
-void BitcoinGUI::copyClipboardClicked()
+void BitcoinGUI::setNumBlocks(int count)
 {
-    // Copy text in address to clipboard
-    QApplication::clipboard()->setText(address->text());
-}
+    if(!clientModel)
+        return;
+    int total = clientModel->getNumBlocksOfPeers();
+    QString tooltip;
 
-void BitcoinGUI::setBalance(qint64 balance)
-{
-    labelBalance->setText(QString::fromStdString(FormatMoney(balance)));
-}
+    if(count < total)
+    {
+        if (clientModel->getStatusBarWarnings() == "")
+        {
+            progressBarLabel->setVisible(true);
+            progressBarLabel->setText(tr("Synchronizing with network..."));
+            progressBar->setVisible(true);
+            progressBar->setMaximum(total);
+            progressBar->setValue(count);
+        }
+        else
+        {
+            progressBarLabel->setText(clientModel->getStatusBarWarnings());
+            progressBarLabel->setVisible(true);
+            progressBar->setVisible(false);
+        }
+        tooltip = tr("Downloaded %1 of %2 blocks of transaction history.").arg(count).arg(total);
+    }
+    else
+    {
+        if (clientModel->getStatusBarWarnings() == "")
+            progressBarLabel->setVisible(false);
+        else
+        {
+            progressBarLabel->setText(clientModel->getStatusBarWarnings());
+            progressBarLabel->setVisible(true);
+        }
+        progressBar->setVisible(false);
+        tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
+    }
 
-void BitcoinGUI::setAddress(const QString &addr)
-{
-    address->setText(addr);
-}
+    QDateTime now = QDateTime::currentDateTime();
+    QDateTime lastBlockDate = clientModel->getLastBlockDate();
+    int secs = lastBlockDate.secsTo(now);
+    QString text;
 
-void BitcoinGUI::setNumConnections(int count)
-{
-    QString icon;
-    switch(count)
+    // Represent time from last generated block in human readable text
+    if(secs <= 0)
     {
-    case 0: icon = ":/icons/connect0"; break;
-    case 1: case 2: icon = ":/icons/connect1"; break;
-    case 3: case 4: icon = ":/icons/connect2"; break;
-    case 5: case 6: icon = ":/icons/connect3"; break;
-    default: icon = ":/icons/connect4"; break;
+        // 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));
     }
-    labelConnections->setTextFormat(Qt::RichText);
-    labelConnections->setText("<img src=\""+icon+"\"> " + QLocale::system().toString(count)+" "+tr("connection(s)", "", count));
-}
 
-void BitcoinGUI::setNumBlocks(int count)
-{
-    labelBlocks->setText(QLocale::system().toString(count)+" "+tr("block(s)", "", count));
+    // Set icon state: spinning if catching up, tick otherwise
+    if(secs < 30*60)
+    {
+        tooltip = tr("Up to date") + QString(".\n") + tooltip;
+        labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
+    }
+    else
+    {
+        tooltip = tr("Catching up...") + QString("\n") + tooltip;
+        labelBlocksIcon->setMovie(syncIconMovie);
+        syncIconMovie->start();
+    }
+
+    if(!text.isEmpty())
+    {
+        tooltip += QString("\n");
+        tooltip += tr("Last received block was generated %1.").arg(text);
+    }
+
+    labelBlocksIcon->setToolTip(tooltip);
+    progressBarLabel->setToolTip(tooltip);
+    progressBar->setToolTip(tooltip);
 }
 
-void BitcoinGUI::setNumTransactions(int count)
+void BitcoinGUI::refreshStatusBar()
 {
-    labelTransactions->setText(QLocale::system().toString(count)+" "+tr("transaction(s)", "", count));
+    /* Might display multiple times in the case of multiple alerts
+    static QString prevStatusBar;
+    QString newStatusBar = clientModel->getStatusBarWarnings();
+    if (prevStatusBar != newStatusBar)
+    {
+        prevStatusBar = newStatusBar;
+        error(tr("Network Alert"), newStatusBar);
+    }*/
+    setNumBlocks(clientModel->getNumBlocks());
 }
 
-void BitcoinGUI::error(const QString &title, const QString &message)
+void BitcoinGUI::error(const QString &title, const QString &message, bool modal)
 {
     // Report errors from network/worker thread
-    if(trayIcon->supportsMessages())
-    {
-        // Show as "balloon" message if possible
-        trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
-    }
-    else
+    if (modal)
     {
-        // Fall back to old fashioned popup dialog if not
-        QMessageBox::critical(this, title,
-            message,
-            QMessageBox::Ok, QMessageBox::Ok);
+        QMessageBox::critical(this, title, message, QMessageBox::Ok, QMessageBox::Ok);
+    } else {
+        notificator->notify(Notificator::Critical, title, message);
     }
 }
 
 void BitcoinGUI::changeEvent(QEvent *e)
 {
-    if (e->type() == QEvent::WindowStateChange)
+    QMainWindow::changeEvent(e);
+#ifndef Q_WS_MAC // Ignored on Mac
+    if(e->type() == QEvent::WindowStateChange)
     {
-        if(model->getOptionsModel()->getMinimizeToTray())
+        if(clientModel && clientModel->getOptionsModel()->getMinimizeToTray())
         {
-            if (isMinimized())
+            QWindowStateChangeEvent *wsevt = static_cast<QWindowStateChangeEvent*>(e);
+            if(!(wsevt->oldState() & Qt::WindowMinimized) && isMinimized())
             {
-                hide();
+                QTimer::singleShot(0, this, SLOT(hide()));
                 e->ignore();
             }
-            else
-            {
-                e->accept();
-            }
         }
     }
-    QMainWindow::changeEvent(e);
+#endif
 }
 
 void BitcoinGUI::closeEvent(QCloseEvent *event)
 {
-    if(!model->getOptionsModel()->getMinimizeToTray() &&
-       !model->getOptionsModel()->getMinimizeOnClose())
+    if(clientModel)
     {
-        qApp->quit();
+#ifndef Q_WS_MAC // Ignored on Mac
+        if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
+           !clientModel->getOptionsModel()->getMinimizeOnClose())
+        {
+            qApp->quit();
+        }
+#endif
     }
     QMainWindow::closeEvent(event);
 }
@@ -420,39 +566,176 @@ 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(QString::fromStdString(FormatMoney(nFeeRequired)));
+          "Do you want to pay the fee?").arg(
+                BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
     QMessageBox::StandardButton retval = QMessageBox::question(
           this, tr("Sending..."), strMessage,
           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
     *payFee = (retval == QMessageBox::Yes);
 }
 
-void BitcoinGUI::transactionDetails(const QModelIndex& idx)
-{
-    /* A transaction is doubleclicked */
-    TransactionDescDialog dlg(idx);
-    dlg.exec();
-}
-
 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 {
-    TransactionTableModel *ttm = model->getTransactionTableModel();
-    qint64 credit = ttm->index(start, TransactionTableModel::Credit, parent)
-                    .data(Qt::EditRole).toULongLong();
-    qint64 debit = ttm->index(start, TransactionTableModel::Debit, parent)
+    if(!walletModel || !clientModel)
+        return;
+    TransactionTableModel *ttm = walletModel->getTransactionTableModel();
+    qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
                     .data(Qt::EditRole).toULongLong();
-    if((credit+debit)>0)
+    if(!clientModel->inInitialBlockDownload())
     {
-        /* On incoming transaction, make an info balloon */
+        // 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 description = ttm->index(start, TransactionTableModel::Description, parent)
+        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::gotoOverviewPage()
+{
+    overviewAction->setChecked(true);
+    centralWidget->setCurrentWidget(overviewPage);
+
+    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::dragEnterEvent(QDragEnterEvent *event)
+{
+    // Accept only URLs
+    if(event->mimeData()->hasUrls())
+        event->acceptProposedAction();
+}
+
+void BitcoinGUI::dropEvent(QDropEvent *event)
+{
+    if(event->mimeData()->hasUrls())
+    {
+        gotoSendCoinsPage();
+        QList<QUrl> urls = event->mimeData()->urls();
+        foreach(const QUrl &url, urls)
+        {
+            sendCoinsPage->handleURL(&url);
+        }
+    }
+
+    event->acceptProposedAction();
+}
+
+void BitcoinGUI::setEncryptionStatus(int status)
+{
+    switch(status)
+    {
+    case WalletModel::Unencrypted:
+        labelEncryptionIcon->hide();
+        encryptWalletAction->setChecked(false);
+        changePassphraseAction->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(false); // TODO: decrypt currently not supported
+        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(false); // TODO: decrypt currently not supported
+        break;
+    }
+}
 
-        trayIcon->showMessage(tr("Incoming transaction"),
-                              "Date: " + date + "\n" +
-                              "Amount: " + QString::fromStdString(FormatMoney(credit+debit, true)) + "\n" +
-                              description,
-                              QSystemTrayIcon::Information);
+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::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 dlg(AskPassphraseDialog::Unlock, this);
+        dlg.setModel(walletModel);
+        dlg.exec();
     }
 }