1 files changed, 155 insertions, 77 deletions

diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
index 9042e3b56a..5c26baef9e 100644
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -1,4 +1,4 @@
-// Copyright (c) 2011-2015 The Bitcoin Core developers
+// Copyright (c) 2011-2016 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -12,6 +12,7 @@
 #include "clientmodel.h"
 #include "guiconstants.h"
 #include "guiutil.h"
+#include "modaloverlay.h"
 #include "networkstyle.h"
 #include "notificator.h"
 #include "openuridialog.h"
@@ -30,6 +31,7 @@
 #include "macdockiconhandler.h"
 #endif
 
+#include "chainparams.h"
 #include "init.h"
 #include "ui_interface.h"
 #include "util.h"
@@ -45,7 +47,6 @@
 #include <QMenuBar>
 #include <QMessageBox>
 #include <QMimeData>
-#include <QProgressBar>
 #include <QProgressDialog>
 #include <QSettings>
 #include <QShortcut>
@@ -73,15 +74,19 @@ const std::string BitcoinGUI::DEFAULT_UIPLATFORM =
 #endif
         ;
 
+/** Display name for default wallet name. Uses tilde to avoid name
+ * collisions in the future with additional wallets */
 const QString BitcoinGUI::DEFAULT_WALLET = "~Default";
 
-BitcoinGUI::BitcoinGUI(const PlatformStyle *platformStyle, const NetworkStyle *networkStyle, QWidget *parent) :
+BitcoinGUI::BitcoinGUI(const PlatformStyle *_platformStyle, const NetworkStyle *networkStyle, QWidget *parent) :
     QMainWindow(parent),
+    enableWallet(false),
     clientModel(0),
     walletFrame(0),
     unitDisplayControl(0),
-    labelEncryptionIcon(0),
-    labelConnectionsIcon(0),
+    labelWalletEncryptionIcon(0),
+    labelWalletHDStatusIcon(0),
+    connectionsControl(0),
     labelBlocksIcon(0),
     progressBarLabel(0),
     progressBar(0),
@@ -113,18 +118,16 @@ BitcoinGUI::BitcoinGUI(const PlatformStyle *platformStyle, const NetworkStyle *n
     notificator(0),
     rpcConsole(0),
     helpMessageDialog(0),
+    modalOverlay(0),
     prevBlocks(0),
     spinnerFrame(0),
-    platformStyle(platformStyle)
+    platformStyle(_platformStyle)
 {
     GUIUtil::restoreWindowGeometry("nWindow", QSize(850, 550), this);
 
     QString windowTitle = tr(PACKAGE_NAME) + " - ";
 #ifdef ENABLE_WALLET
-    /* if compiled with wallet support, -disablewallet can still disable the wallet */
-    enableWallet = !GetBoolArg("-disablewallet", false);
-#else
-    enableWallet = false;
+    enableWallet = WalletModel::isWalletEnabled();
 #endif // ENABLE_WALLET
     if(enableWallet)
     {
@@ -147,13 +150,13 @@ BitcoinGUI::BitcoinGUI(const PlatformStyle *platformStyle, const NetworkStyle *n
     setUnifiedTitleAndToolBarOnMac(true);
 #endif
 
-    rpcConsole = new RPCConsole(platformStyle, 0);
+    rpcConsole = new RPCConsole(_platformStyle, 0);
     helpMessageDialog = new HelpMessageDialog(this, false);
 #ifdef ENABLE_WALLET
     if(enableWallet)
     {
         /** Create wallet frame and make it the central widget */
-        walletFrame = new WalletFrame(platformStyle, this);
+        walletFrame = new WalletFrame(_platformStyle, this);
         setCentralWidget(walletFrame);
     } else
 #endif // ENABLE_WALLET
@@ -194,18 +197,20 @@ BitcoinGUI::BitcoinGUI(const PlatformStyle *platformStyle, const NetworkStyle *n
     frameBlocksLayout->setContentsMargins(3,0,3,0);
     frameBlocksLayout->setSpacing(3);
     unitDisplayControl = new UnitDisplayStatusBarControl(platformStyle);
-    labelEncryptionIcon = new QLabel();
-    labelConnectionsIcon = new QLabel();
-    labelBlocksIcon = new QLabel();
+    labelWalletEncryptionIcon = new QLabel();
+    labelWalletHDStatusIcon = new QLabel();
+    connectionsControl = new GUIUtil::ClickableLabel();
+    labelBlocksIcon = new GUIUtil::ClickableLabel();
     if(enableWallet)
     {
         frameBlocksLayout->addStretch();
         frameBlocksLayout->addWidget(unitDisplayControl);
         frameBlocksLayout->addStretch();
-        frameBlocksLayout->addWidget(labelEncryptionIcon);
+        frameBlocksLayout->addWidget(labelWalletEncryptionIcon);
+        frameBlocksLayout->addWidget(labelWalletHDStatusIcon);
     }
     frameBlocksLayout->addStretch();
-    frameBlocksLayout->addWidget(labelConnectionsIcon);
+    frameBlocksLayout->addWidget(connectionsControl);
     frameBlocksLayout->addStretch();
     frameBlocksLayout->addWidget(labelBlocksIcon);
     frameBlocksLayout->addStretch();
@@ -238,6 +243,17 @@ BitcoinGUI::BitcoinGUI(const PlatformStyle *platformStyle, const NetworkStyle *n
 
     // Subscribe to notifications from core
     subscribeToCoreSignals();
+
+    connect(connectionsControl, SIGNAL(clicked(QPoint)), this, SLOT(toggleNetworkActive()));
+
+    modalOverlay = new ModalOverlay(this->centralWidget());
+#ifdef ENABLE_WALLET
+    if(enableWallet) {
+        connect(walletFrame, SIGNAL(requestedSyncWarningInfo()), this, SLOT(showModalOverlay()));
+        connect(labelBlocksIcon, SIGNAL(clicked(QPoint)), this, SLOT(showModalOverlay()));
+        connect(progressBar, SIGNAL(clicked(QPoint)), this, SLOT(showModalOverlay()));
+    }
+#endif
 }
 
 BitcoinGUI::~BitcoinGUI()
@@ -448,38 +464,40 @@ void BitcoinGUI::createToolBars()
     }
 }
 
-void BitcoinGUI::setClientModel(ClientModel *clientModel)
+void BitcoinGUI::setClientModel(ClientModel *_clientModel)
 {
-    this->clientModel = clientModel;
-    if(clientModel)
+    this->clientModel = _clientModel;
+    if(_clientModel)
     {
         // Create system tray menu (or setup the dock menu) that late to prevent users from calling actions,
         // while the client has not yet fully loaded
         createTrayIconMenu();
 
         // Keep up to date with client
-        setNumConnections(clientModel->getNumConnections());
-        connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
+        updateNetworkState();
+        connect(_clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
+        connect(_clientModel, SIGNAL(networkActiveChanged(bool)), this, SLOT(setNetworkActive(bool)));
 
-        setNumBlocks(clientModel->getNumBlocks(), clientModel->getLastBlockDate(), clientModel->getVerificationProgress(NULL), false);
-        connect(clientModel, SIGNAL(numBlocksChanged(int,QDateTime,double,bool)), this, SLOT(setNumBlocks(int,QDateTime,double,bool)));
+        modalOverlay->setKnownBestHeight(_clientModel->getHeaderTipHeight(), QDateTime::fromTime_t(_clientModel->getHeaderTipTime()));
+        setNumBlocks(_clientModel->getNumBlocks(), _clientModel->getLastBlockDate(), _clientModel->getVerificationProgress(NULL), false);
+        connect(_clientModel, SIGNAL(numBlocksChanged(int,QDateTime,double,bool)), this, SLOT(setNumBlocks(int,QDateTime,double,bool)));
 
         // Receive and report messages from client model
-        connect(clientModel, SIGNAL(message(QString,QString,unsigned int)), this, SLOT(message(QString,QString,unsigned int)));
+        connect(_clientModel, SIGNAL(message(QString,QString,unsigned int)), this, SLOT(message(QString,QString,unsigned int)));
 
         // Show progress dialog
-        connect(clientModel, SIGNAL(showProgress(QString,int)), this, SLOT(showProgress(QString,int)));
+        connect(_clientModel, SIGNAL(showProgress(QString,int)), this, SLOT(showProgress(QString,int)));
 
-        rpcConsole->setClientModel(clientModel);
+        rpcConsole->setClientModel(_clientModel);
 #ifdef ENABLE_WALLET
         if(walletFrame)
         {
-            walletFrame->setClientModel(clientModel);
+            walletFrame->setClientModel(_clientModel);
         }
 #endif // ENABLE_WALLET
-        unitDisplayControl->setOptionsModel(clientModel->getOptionsModel());
+        unitDisplayControl->setOptionsModel(_clientModel->getOptionsModel());
         
-        OptionsModel* optionsModel = clientModel->getOptionsModel();
+        OptionsModel* optionsModel = _clientModel->getOptionsModel();
         if(optionsModel)
         {
             // be aware of the tray icon disable state change reported by the OptionsModel object.
@@ -496,6 +514,15 @@ void BitcoinGUI::setClientModel(ClientModel *clientModel)
             // Disable context menu on tray icon
             trayIconMenu->clear();
         }
+        // Propagate cleared model to child objects
+        rpcConsole->setClientModel(nullptr);
+#ifdef ENABLE_WALLET
+        if (walletFrame)
+        {
+            walletFrame->setClientModel(nullptr);
+        }
+#endif // ENABLE_WALLET
+        unitDisplayControl->setOptionsModel(nullptr);
     }
 }
 
@@ -685,8 +712,9 @@ void BitcoinGUI::gotoVerifyMessageTab(QString addr)
 }
 #endif // ENABLE_WALLET
 
-void BitcoinGUI::setNumConnections(int count)
+void BitcoinGUI::updateNetworkState()
 {
+    int count = clientModel->getNumConnections();
     QString icon;
     switch(count)
     {
@@ -696,16 +724,55 @@ void BitcoinGUI::setNumConnections(int count)
     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
     default: icon = ":/icons/connect_4"; break;
     }
-    labelConnectionsIcon->setPixmap(platformStyle->SingleColorIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
-    labelConnectionsIcon->setToolTip(tr("%n active connection(s) to Bitcoin network", "", count));
+
+    QString tooltip;
+
+    if (clientModel->getNetworkActive()) {
+        tooltip = tr("%n active connection(s) to Bitcoin network", "", count) + QString(".<br>") + tr("Click to disable network activity.");
+    } else {
+        tooltip = tr("Network activity disabled.") + QString("<br>") + tr("Click to enable network activity again.");
+        icon = ":/icons/network_disabled";
+    }
+
+    // Don't word-wrap this (fixed-width) tooltip
+    tooltip = QString("<nobr>") + tooltip + QString("</nobr>");
+    connectionsControl->setToolTip(tooltip);
+
+    connectionsControl->setPixmap(platformStyle->SingleColorIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
+}
+
+void BitcoinGUI::setNumConnections(int count)
+{
+    updateNetworkState();
+}
+
+void BitcoinGUI::setNetworkActive(bool networkActive)
+{
+    updateNetworkState();
+}
+
+void BitcoinGUI::updateHeadersSyncProgressLabel()
+{
+    int64_t headersTipTime = clientModel->getHeaderTipTime();
+    int headersTipHeight = clientModel->getHeaderTipHeight();
+    int estHeadersLeft = (GetTime() - headersTipTime) / Params().GetConsensus().nPowTargetSpacing;
+    if (estHeadersLeft > HEADER_HEIGHT_DELTA_SYNC)
+        progressBarLabel->setText(tr("Syncing Headers (%1%)...").arg(QString::number(100.0 / (headersTipHeight+estHeadersLeft)*headersTipHeight, 'f', 1)));
 }
 
 void BitcoinGUI::setNumBlocks(int count, const QDateTime& blockDate, double nVerificationProgress, bool header)
 {
-    if(!clientModel)
+    if (modalOverlay)
+    {
+        if (header)
+            modalOverlay->setKnownBestHeight(count, blockDate);
+        else
+            modalOverlay->tipUpdate(count, blockDate, nVerificationProgress);
+    }
+    if (!clientModel)
         return;
 
-    // Prevent orphan statusbar messages (e.g. hover Quit in main menu, wait until chain-sync starts -> garbelled text)
+    // Prevent orphan statusbar messages (e.g. hover Quit in main menu, wait until chain-sync starts -> garbled text)
     statusBar()->clearMessage();
 
     // Acquire current block source
@@ -713,9 +780,11 @@ void BitcoinGUI::setNumBlocks(int count, const QDateTime& blockDate, double nVer
     switch (blockSource) {
         case BLOCK_SOURCE_NETWORK:
             if (header) {
+                updateHeadersSyncProgressLabel();
                 return;
             }
             progressBarLabel->setText(tr("Synchronizing with network..."));
+            updateHeadersSyncProgressLabel();
             break;
         case BLOCK_SOURCE_DISK:
             if (header) {
@@ -731,8 +800,7 @@ void BitcoinGUI::setNumBlocks(int count, const QDateTime& blockDate, double nVer
             if (header) {
                 return;
             }
-            // Case: not Importing, not Reindexing and no network connection
-            progressBarLabel->setText(tr("No block source available..."));
+            progressBarLabel->setText(tr("Connecting to peers..."));
             break;
     }
 
@@ -751,7 +819,10 @@ void BitcoinGUI::setNumBlocks(int count, const QDateTime& blockDate, double nVer
 
 #ifdef ENABLE_WALLET
         if(walletFrame)
+        {
             walletFrame->showOutOfSyncWarning(false);
+            modalOverlay->showHide(true, true);
+        }
 #endif // ENABLE_WALLET
 
         progressBarLabel->setVisible(false);
@@ -759,30 +830,7 @@ void BitcoinGUI::setNumBlocks(int count, const QDateTime& blockDate, double nVer
     }
     else
     {
-        // Represent time from last generated block in human readable text
-        QString timeBehindText;
-        const int HOUR_IN_SECONDS = 60*60;
-        const int DAY_IN_SECONDS = 24*60*60;
-        const int WEEK_IN_SECONDS = 7*24*60*60;
-        const int YEAR_IN_SECONDS = 31556952; // Average length of year in Gregorian calendar
-        if(secs < 2*DAY_IN_SECONDS)
-        {
-            timeBehindText = tr("%n hour(s)","",secs/HOUR_IN_SECONDS);
-        }
-        else if(secs < 2*WEEK_IN_SECONDS)
-        {
-            timeBehindText = tr("%n day(s)","",secs/DAY_IN_SECONDS);
-        }
-        else if(secs < YEAR_IN_SECONDS)
-        {
-            timeBehindText = tr("%n week(s)","",secs/WEEK_IN_SECONDS);
-        }
-        else
-        {
-            qint64 years = secs / YEAR_IN_SECONDS;
-            qint64 remainder = secs % YEAR_IN_SECONDS;
-            timeBehindText = tr("%1 and %2").arg(tr("%n year(s)", "", years)).arg(tr("%n week(s)","", remainder/WEEK_IN_SECONDS));
-        }
+        QString timeBehindText = GUIUtil::formatNiceTimeOffset(secs);
 
         progressBarLabel->setVisible(true);
         progressBar->setFormat(tr("%1 behind").arg(timeBehindText));
@@ -802,7 +850,10 @@ void BitcoinGUI::setNumBlocks(int count, const QDateTime& blockDate, double nVer
 
 #ifdef ENABLE_WALLET
         if(walletFrame)
+        {
             walletFrame->showOutOfSyncWarning(true);
+            modalOverlay->showHide();
+        }
 #endif // ENABLE_WALLET
 
         tooltip += QString("<br>");
@@ -902,17 +953,22 @@ void BitcoinGUI::closeEvent(QCloseEvent *event)
 #ifndef Q_OS_MAC // Ignored on Mac
     if(clientModel && clientModel->getOptionsModel())
     {
-        if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
-           !clientModel->getOptionsModel()->getMinimizeOnClose())
+        if(!clientModel->getOptionsModel()->getMinimizeOnClose())
         {
             // close rpcConsole in case it was open to make some space for the shutdown window
             rpcConsole->close();
 
             QApplication::quit();
         }
+        else
+        {
+            QMainWindow::showMinimized();
+            event->ignore();
+        }
     }
-#endif
+#else
     QMainWindow::closeEvent(event);
+#endif
 }
 
 void BitcoinGUI::showEvent(QShowEvent *event)
@@ -983,28 +1039,37 @@ bool BitcoinGUI::handlePaymentRequest(const SendCoinsRecipient& recipient)
     return false;
 }
 
+void BitcoinGUI::setHDStatus(int hdEnabled)
+{
+    labelWalletHDStatusIcon->setPixmap(platformStyle->SingleColorIcon(hdEnabled ? ":/icons/hd_enabled" : ":/icons/hd_disabled").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
+    labelWalletHDStatusIcon->setToolTip(hdEnabled ? tr("HD key generation is <b>enabled</b>") : tr("HD key generation is <b>disabled</b>"));
+
+    // eventually disable the QLabel to set its opacity to 50% 
+    labelWalletHDStatusIcon->setEnabled(hdEnabled);
+}
+
 void BitcoinGUI::setEncryptionStatus(int status)
 {
     switch(status)
     {
     case WalletModel::Unencrypted:
-        labelEncryptionIcon->hide();
+        labelWalletEncryptionIcon->hide();
         encryptWalletAction->setChecked(false);
         changePassphraseAction->setEnabled(false);
         encryptWalletAction->setEnabled(true);
         break;
     case WalletModel::Unlocked:
-        labelEncryptionIcon->show();
-        labelEncryptionIcon->setPixmap(platformStyle->SingleColorIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
-        labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>unlocked</b>"));
+        labelWalletEncryptionIcon->show();
+        labelWalletEncryptionIcon->setPixmap(platformStyle->SingleColorIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
+        labelWalletEncryptionIcon->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(platformStyle->SingleColorIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
-        labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>locked</b>"));
+        labelWalletEncryptionIcon->show();
+        labelWalletEncryptionIcon->setPixmap(platformStyle->SingleColorIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
+        labelWalletEncryptionIcon->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
@@ -1084,6 +1149,12 @@ void BitcoinGUI::setTrayIconVisible(bool fHideTrayIcon)
     }
 }
 
+void BitcoinGUI::showModalOverlay()
+{
+    if (modalOverlay && (progressBar->isVisible() || modalOverlay->isLayerVisible()))
+        modalOverlay->toggleVisibility();
+}
+
 static bool ThreadSafeMessageBox(BitcoinGUI *gui, const std::string& message, const std::string& caption, unsigned int style)
 {
     bool modal = (style & CClientUIInterface::MODAL);
@@ -1115,6 +1186,13 @@ void BitcoinGUI::unsubscribeFromCoreSignals()
     uiInterface.ThreadSafeQuestion.disconnect(boost::bind(ThreadSafeMessageBox, this, _1, _3, _4));
 }
 
+void BitcoinGUI::toggleNetworkActive()
+{
+    if (clientModel) {
+        clientModel->setNetworkActive(!clientModel->getNetworkActive());
+    }
+}
+
 UnitDisplayStatusBarControl::UnitDisplayStatusBarControl(const PlatformStyle *platformStyle) :
     optionsModel(0),
     menu(0)
@@ -1142,7 +1220,7 @@ void UnitDisplayStatusBarControl::mousePressEvent(QMouseEvent *event)
 /** Creates context menu, its actions, and wires up all the relevant signals for mouse events. */
 void UnitDisplayStatusBarControl::createContextMenu()
 {
-    menu = new QMenu();
+    menu = new QMenu(this);
     Q_FOREACH(BitcoinUnits::Unit u, BitcoinUnits::availableUnits())
     {
         QAction *menuAction = new QAction(QString(BitcoinUnits::name(u)), this);
@@ -1153,17 +1231,17 @@ void UnitDisplayStatusBarControl::createContextMenu()
 }
 
 /** Lets the control know about the Options Model (and its signals) */
-void UnitDisplayStatusBarControl::setOptionsModel(OptionsModel *optionsModel)
+void UnitDisplayStatusBarControl::setOptionsModel(OptionsModel *_optionsModel)
 {
-    if (optionsModel)
+    if (_optionsModel)
     {
-        this->optionsModel = optionsModel;
+        this->optionsModel = _optionsModel;
 
         // be aware of a display unit change reported by the OptionsModel object.
-        connect(optionsModel,SIGNAL(displayUnitChanged(int)),this,SLOT(updateDisplayUnit(int)));
+        connect(_optionsModel,SIGNAL(displayUnitChanged(int)),this,SLOT(updateDisplayUnit(int)));
 
         // initialize the display units label with the current value in the model.
-        updateDisplayUnit(optionsModel->getDisplayUnit());
+        updateDisplayUnit(_optionsModel->getDisplayUnit());
     }
 }