X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fqt%2Fbitcoingui.cpp;h=81cebfb4a45d530c7ed7e7c2b6f11e709a98f54e;hb=01ea41b203d86d8577227a17760a54578630a3d2;hp=0c66bd4ca7489967781e5b5f3cd06dbd6ccca811;hpb=4a843976e094eee9eb8528f7828f389bd31c462e;p=novacoin.git

diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
index 0c66bd4..81cebfb 100644
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -11,13 +11,20 @@
 #include "aboutdialog.h"
 #include "clientmodel.h"
 #include "walletmodel.h"
-#include "guiutil.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"
+
+#ifdef Q_WS_MAC
+#include "macdockiconhandler.h"
+#endif
 
 #include <QApplication>
 #include <QMainWindow>
@@ -36,8 +43,10 @@
 #include <QProgressBar>
 #include <QStackedWidget>
 #include <QDateTime>
+#include <QMovie>
 
-#include <QDebug>
+#include <QDragEnterEvent>
+#include <QUrl>
 
 #include <iostream>
 
@@ -45,49 +54,42 @@ BitcoinGUI::BitcoinGUI(QWidget *parent):
     QMainWindow(parent),
     clientModel(0),
     walletModel(0),
-    trayIcon(0)
+    encryptWalletAction(0),
+    changePassphraseAction(0),
+    aboutQtAction(0),
+    trayIcon(0),
+    notificator(0)
 {
     resize(850, 550);
     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(sendCoinsAction);
-    file->addAction(receiveCoinsAction);
-    file->addSeparator();
-    file->addAction(quitAction);
-    
-    QMenu *settings = menuBar()->addMenu("&Settings");
-    settings->addAction(optionsAction);
+    // Create application menu bar
+    createMenuBar();
 
-    QMenu *help = menuBar()->addMenu("&Help");
-    help->addAction(aboutAction);
-    
-    // Toolbar
-    QToolBar *toolbar = addToolBar("Main toolbar");
-    toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
-    toolbar->addAction(overviewAction);
-    toolbar->addAction(sendCoinsAction);
-    toolbar->addAction(receiveCoinsAction);
-    toolbar->addAction(historyAction);
-    toolbar->addAction(addressBookAction);
+    // Create the toolbars
+    createToolBars();
 
-    QToolBar *toolbar2 = addToolBar("Transactions toolbar");
-    toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
-    toolbar2->addAction(exportAction);
+    // Create the tray icon (or setup the dock icon)
+    createTrayIcon();
 
-    // Overview page
+    // Create tabs
     overviewPage = new OverviewPage();
-    QVBoxLayout *vbox = new QVBoxLayout();
 
+    transactionsPage = new QWidget(this);
+    QVBoxLayout *vbox = new QVBoxLayout();
     transactionView = new TransactionView(this);
-    connect(transactionView, SIGNAL(doubleClicked(const QModelIndex&)), transactionView, SLOT(transactionDetails()));
     vbox->addWidget(transactionView);
-
-    transactionsPage = new QWidget(this);
     transactionsPage->setLayout(vbox);
 
     addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
@@ -103,21 +105,29 @@ BitcoinGUI::BitcoinGUI(QWidget *parent):
     centralWidget->addWidget(receiveCoinsPage);
     centralWidget->addWidget(sendCoinsPage);
     setCentralWidget(centralWidget);
-    
+
     // Create status bar
     statusBar();
 
-    labelConnections = new QLabel();
-    labelConnections->setFrameStyle(QFrame::Panel | QFrame::Sunken);
-    labelConnections->setMinimumWidth(150);
-    labelConnections->setMaximumWidth(150);
-    labelConnections->setToolTip(tr("Number of connections to other clients"));
-
-    labelBlocks = new QLabel();
-    labelBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
-    labelBlocks->setMinimumWidth(150);
-    labelBlocks->setMaximumWidth(150);
-    labelBlocks->setToolTip(tr("Number of blocks in the block chain"));
+    // 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..."));
@@ -128,140 +138,254 @@ BitcoinGUI::BitcoinGUI(QWidget *parent):
 
     statusBar()->addWidget(progressBarLabel);
     statusBar()->addWidget(progressBar);
-    statusBar()->addPermanentWidget(labelConnections);
-    statusBar()->addPermanentWidget(labelBlocks);
+    statusBar()->addPermanentWidget(frameBlocks);
 
-    createTrayIcon();
+    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();
 }
 
+BitcoinGUI::~BitcoinGUI()
+{
+#ifdef Q_WS_MAC
+    delete appMenuBar;
+#endif
+}
+
 void BitcoinGUI::createActions()
 {
     QActionGroup *tabGroup = new QActionGroup(this);
 
     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
+    overviewAction->setToolTip(tr("Show general overview of wallet"));
     overviewAction->setCheckable(true);
+    overviewAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_1));
     tabGroup->addAction(overviewAction);
 
     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(show()));
     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
+    connect(historyAction, SIGNAL(triggered()), this, SLOT(show()));
     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
+    connect(addressBookAction, SIGNAL(triggered()), this, SLOT(show()));
     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
+    connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(show()));
     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
+    connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(show()));
     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 
-    quitAction = new QAction(QIcon(":/icons/quit"), tr("&Exit"), this);
+    quitAction = new QAction(QIcon(":/icons/quit"), tr("E&xit"), this);
     quitAction->setToolTip(tr("Quit application"));
-    aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About"), this);
+    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 data in current view to a file"));
+    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(openBitcoinAction, SIGNAL(triggered()), this, SLOT(show()));
+    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::createMenuBar()
+{
+#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::createToolBars()
+{
+    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::setClientModel(ClientModel *clientModel)
 {
     this->clientModel = clientModel;
-
-    if(clientModel->isTestNet())
+    if(clientModel)
     {
-        QString title_testnet = windowTitle() + QString(" ") + tr("[testnet]");
-        setWindowTitle(title_testnet);
-        setWindowIcon(QIcon(":icons/bitcoin_testnet"));
-        if(trayIcon)
+        if(clientModel->isTestNet())
         {
-            trayIcon->setToolTip(title_testnet);
-            trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
+            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)));
+        // 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)));
+        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)));
+        // Report errors from network/worker thread
+        connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
+    }
 }
 
 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 {
     this->walletModel = walletModel;
+    if(walletModel)
+    {
+        // Report errors from wallet thread
+        connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 
-    // Report errors from wallet thread
-    connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
+        // Put transaction list in tabs
+        transactionView->setModel(walletModel);
 
-    // Put transaction list in tabs
-    transactionView->setModel(walletModel);
+        overviewPage->setModel(walletModel);
+        addressBookPage->setModel(walletModel->getAddressTableModel());
+        receiveCoinsPage->setModel(walletModel->getAddressTableModel());
+        sendCoinsPage->setModel(walletModel);
 
-    overviewPage->setModel(walletModel);
-    addressBookPage->setModel(walletModel->getAddressTableModel());
-    receiveCoinsPage->setModel(walletModel->getAddressTableModel());
-    sendCoinsPage->setModel(walletModel);
+        setEncryptionStatus(walletModel->getEncryptionStatus());
+        connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
 
-    // Balloon popup for new transaction
-    connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(const QModelIndex &, int, int)),
-            this, SLOT(incomingTransaction(const QModelIndex &, int, int)));
+        // Balloon popup 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 = new QMenu(this);
-    trayIconMenu->addAction(openBitcoinAction);
-    trayIconMenu->addAction(sendCoinsAction);
-    trayIconMenu->addAction(optionsAction);
-    trayIconMenu->addSeparator();
-    trayIconMenu->addAction(quitAction);
-
+    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
+
+    notificator = new Notificator(tr("bitcoin-qt"), trayIcon);
 }
 
+#ifndef Q_WS_MAC
 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 {
-    if(reason == QSystemTrayIcon::DoubleClick)
+    if(reason == QSystemTrayIcon::Trigger)
     {
-        // Doubleclick on system tray icon triggers "open bitcoin"
+        // Click on system tray icon triggers "open bitcoin"
         openBitcoinAction->trigger();
     }
+
 }
+#endif
 
 void BitcoinGUI::optionsClicked()
 {
+    if(!clientModel || !clientModel->getOptionsModel())
+        return;
     OptionsDialog dlg;
     dlg.setModel(clientModel->getOptionsModel());
     dlg.exec();
@@ -285,37 +409,42 @@ void BitcoinGUI::setNumConnections(int count)
     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
     default: icon = ":/icons/connect_4"; break;
     }
-    labelConnections->setTextFormat(Qt::RichText);
-    labelConnections->setText("<img src=\""+icon+"\"> " + tr("%n connection(s)", "", count));
+    labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
+    labelConnectionsIcon->setToolTip(tr("%n active connection(s) to Bitcoin network", "", count));
 }
 
 void BitcoinGUI::setNumBlocks(int count)
 {
-    int total = clientModel->getTotalBlocksEstimate();
+    if(!clientModel)
+        return;
+    int initTotal = clientModel->getNumBlocksAtStartup();
+    int total = clientModel->getNumBlocksOfPeers();
+    QString tooltip;
+
     if(count < total)
     {
         progressBarLabel->setVisible(true);
         progressBar->setVisible(true);
-        progressBar->setMaximum(total);
-        progressBar->setValue(count);
+        progressBar->setMaximum(total - initTotal);
+        progressBar->setValue(count - initTotal);
+        tooltip = tr("Downloaded %1 of %2 blocks of transaction history.").arg(count).arg(total);
     }
     else
     {
         progressBarLabel->setVisible(false);
         progressBar->setVisible(false);
+        tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
     }
 
     QDateTime now = QDateTime::currentDateTime();
     QDateTime lastBlockDate = clientModel->getLastBlockDate();
     int secs = lastBlockDate.secsTo(now);
     QString text;
-    QString icon = ":/icons/notsynced";
 
-    // "Up to date" icon, and outdated icon
-    if(secs < 30*60)
+    // Represent time from last generated block in human readable text
+    if(secs < 60)
     {
-        text = "Up to date";
-        icon = ":/icons/synced";
+        text = tr("%n second(s) ago","",secs);
     }
     else if(secs < 60*60)
     {
@@ -330,54 +459,67 @@ void BitcoinGUI::setNumBlocks(int count)
         text = tr("%n day(s) ago","",secs/(60*60*24));
     }
 
-    labelBlocks->setText("<img src=\""+icon+"\"> " + text);
-    labelBlocks->setToolTip(tr("Downloaded %n block(s) of transaction history. Last block was generated %1.", "", count)
-                            .arg(QLocale::system().toString(lastBlockDate)));
-}
-
-void BitcoinGUI::error(const QString &title, const QString &message)
-{
-    // Report errors from network/worker thread
-    if(trayIcon->supportsMessages())
+    // Set icon state: spinning if catching up, tick otherwise
+    if(secs < 30*60)
     {
-        // Show as "balloon" message if possible
-        trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
+        tooltip = tr("Up to date") + QString("\n") + tooltip;
+        labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
     }
     else
     {
-        // Fall back to old fashioned popup dialog if not
-        QMessageBox::critical(this, title,
-            message,
-            QMessageBox::Ok, QMessageBox::Ok);
+        tooltip = tr("Catching up...") + QString("\n") + tooltip;
+        labelBlocksIcon->setMovie(syncIconMovie);
+        syncIconMovie->start();
     }
+
+    tooltip += QString("\n");
+    tooltip += tr("Last received block was generated %1.").arg(text);
+
+    labelBlocksIcon->setToolTip(tooltip);
+    progressBarLabel->setToolTip(tooltip);
+    progressBar->setToolTip(tooltip);
+}
+
+void BitcoinGUI::error(const QString &title, const QString &message)
+{
+    // Report errors from network/worker thread
+    notificator->notify(Notificator::Critical, title, message);
 }
 
 void BitcoinGUI::changeEvent(QEvent *e)
 {
-    if (e->type() == QEvent::WindowStateChange)
+#ifndef Q_WS_MAC // Ignored on Mac
+    if(e->type() == QEvent::WindowStateChange)
     {
-        if(clientModel->getOptionsModel()->getMinimizeToTray())
+        if(clientModel && clientModel->getOptionsModel()->getMinimizeToTray())
         {
-            if (isMinimized())
+            if(isMinimized())
             {
                 hide();
                 e->ignore();
             }
             else
             {
+                show();
                 e->accept();
             }
         }
     }
+#endif
     QMainWindow::changeEvent(e);
 }
 
 void BitcoinGUI::closeEvent(QCloseEvent *event)
 {
-    if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
-       !clientModel->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);
 }
@@ -387,7 +529,8 @@ 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(GUIUtil::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);
@@ -396,12 +539,14 @@ void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 
 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 {
+    if(!walletModel || !clientModel)
+        return;
     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
                     .data(Qt::EditRole).toULongLong();
     if(!clientModel->inInitialBlockDownload())
     {
-        // On 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();
@@ -409,14 +554,21 @@ void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int
                         .data().toString();
         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
                         .data().toString();
-
-        trayIcon->showMessage((amount)<0 ? tr("Sent transaction") :
-                                           tr("Incoming transaction"),
-                              tr("Date: ") + date + "\n" +
-                              tr("Amount: ") + GUIUtil::formatMoney(amount, true) + "\n" +
-                              tr("Type: ") + type + "\n" +
-                              tr("Address: ") + address + "\n",
-                              QSystemTrayIcon::Information);
+        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);
     }
 }
 
@@ -462,10 +614,91 @@ void BitcoinGUI::gotoReceiveCoinsPage()
 void BitcoinGUI::gotoSendCoinsPage()
 {
     sendCoinsAction->setChecked(true);
-    sendCoinsPage->clear();
     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;
+    }
+}
+
+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();
+    }
+}