src/qt/bitcoingui.cpp

   1 /*
   2  * Qt4 bitcoin GUI.
   3  *
   4  * W.J. van der Laan 2011
   5  * The Bitcoin Developers 2011
   6  */
   7 #include "bitcoingui.h"
   8 #include "transactiontablemodel.h"
   9 #include "addressbookpage.h"
  10 #include "sendcoinsdialog.h"
  11 #include "optionsdialog.h"
  12 #include "aboutdialog.h"
  13 #include "clientmodel.h"
  14 #include "walletmodel.h"
  15 #include "editaddressdialog.h"
  16 #include "optionsmodel.h"
  17 #include "transactiondescdialog.h"
  18 #include "addresstablemodel.h"
  19 #include "transactionview.h"
  20 #include "overviewpage.h"
  21 #include "bitcoinunits.h"
  22 #include "guiconstants.h"
  23 #include "askpassphrasedialog.h"
  24 #include "notificator.h"
  25
  26 #ifdef Q_WS_MAC
  27 #include "macdockiconhandler.h"
  28 #endif
  29
  30 #include <QApplication>
  31 #include <QMainWindow>
  32 #include <QMenuBar>
  33 #include <QMenu>
  34 #include <QIcon>
  35 #include <QTabWidget>
  36 #include <QVBoxLayout>
  37 #include <QToolBar>
  38 #include <QStatusBar>
  39 #include <QLabel>
  40 #include <QLineEdit>
  41 #include <QPushButton>
  42 #include <QLocale>
  43 #include <QMessageBox>
  44 #include <QProgressBar>
  45 #include <QStackedWidget>
  46 #include <QDateTime>
  47 #include <QMovie>
  48
  49 #include <QDragEnterEvent>
  50 #include <QUrl>
  51
  52 #include <iostream>
  53
  54 BitcoinGUI::BitcoinGUI(QWidget *parent):
  55     QMainWindow(parent),
  56     clientModel(0),
  57     walletModel(0),
  58     encryptWalletAction(0),
  59     changePassphraseAction(0),
  60     trayIcon(0),
  61     notificator(0)
  62 {
  63     resize(850, 550);
  64     setWindowTitle(tr("Bitcoin Wallet"));
  65 #ifndef Q_WS_MAC
  66     setWindowIcon(QIcon(":icons/bitcoin"));
  67 #else
  68     setUnifiedTitleAndToolBarOnMac(true);
  69     QApplication::setAttribute(Qt::AA_DontShowIconsInMenus);
  70 #endif
  71     // Accept D&D of URIs
  72     setAcceptDrops(true);
  73
  74     // Create actions for the toolbar, menu bar and tray/dock icon
  75     createActions();
  76
  77     // Create application menu bar
  78     createMenuBar();
  79
  80     // Create the toolbars
  81     createToolBars();
  82
  83     // Create the tray icon (or setup the dock icon)
  84     createTrayIcon();
  85
  86     // Create tabs
  87     overviewPage = new OverviewPage();
  88
  89     transactionsPage = new QWidget(this);
  90     QVBoxLayout *vbox = new QVBoxLayout();
  91     transactionView = new TransactionView(this);
  92     vbox->addWidget(transactionView);
  93     transactionsPage->setLayout(vbox);
  94
  95     addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
  96
  97     receiveCoinsPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab);
  98
  99     sendCoinsPage = new SendCoinsDialog(this);
 100
 101     centralWidget = new QStackedWidget(this);
 102     centralWidget->addWidget(overviewPage);
 103     centralWidget->addWidget(transactionsPage);
 104     centralWidget->addWidget(addressBookPage);
 105     centralWidget->addWidget(receiveCoinsPage);
 106     centralWidget->addWidget(sendCoinsPage);
 107     setCentralWidget(centralWidget);
 108
 109     // Create status bar
 110     statusBar();
 111
 112     // Status bar notification icons
 113     QFrame *frameBlocks = new QFrame();
 114     //frameBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 115     frameBlocks->setContentsMargins(0,0,0,0);
 116     frameBlocks->setMinimumWidth(56);
 117     frameBlocks->setMaximumWidth(56);
 118     QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
 119     frameBlocksLayout->setContentsMargins(3,0,3,0);
 120     frameBlocksLayout->setSpacing(3);
 121     labelEncryptionIcon = new QLabel();
 122     labelConnectionsIcon = new QLabel();
 123     labelBlocksIcon = new QLabel();
 124     frameBlocksLayout->addStretch();
 125     frameBlocksLayout->addWidget(labelEncryptionIcon);
 126     frameBlocksLayout->addStretch();
 127     frameBlocksLayout->addWidget(labelConnectionsIcon);
 128     frameBlocksLayout->addStretch();
 129     frameBlocksLayout->addWidget(labelBlocksIcon);
 130     frameBlocksLayout->addStretch();
 131
 132     // Progress bar for blocks download
 133     progressBarLabel = new QLabel(tr("Synchronizing with network..."));
 134     progressBarLabel->setVisible(false);
 135     progressBar = new QProgressBar();
 136     progressBar->setToolTip(tr("Block chain synchronization in progress"));
 137     progressBar->setVisible(false);
 138
 139     statusBar()->addWidget(progressBarLabel);
 140     statusBar()->addWidget(progressBar);
 141     statusBar()->addPermanentWidget(frameBlocks);
 142
 143     syncIconMovie = new QMovie(":/movies/update_spinner", "mng", this);
 144
 145     // Clicking on a transaction on the overview page simply sends you to transaction history page
 146     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), this, SLOT(gotoHistoryPage()));
 147
 148     // Doubleclicking on a transaction on the transaction history page shows details
 149     connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
 150
 151     gotoOverviewPage();
 152 }
 153
 154 BitcoinGUI::~BitcoinGUI()
 155 {
 156 #ifdef Q_WS_MAC
 157     delete appMenuBar;
 158 #endif
 159 }
 160
 161 void BitcoinGUI::createActions()
 162 {
 163     QActionGroup *tabGroup = new QActionGroup(this);
 164
 165     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 166     overviewAction->setToolTip(tr("Show general overview of wallet"));
 167     overviewAction->setCheckable(true);
 168     overviewAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_1));
 169     tabGroup->addAction(overviewAction);
 170
 171     historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
 172     historyAction->setToolTip(tr("Browse transaction history"));
 173     historyAction->setCheckable(true);
 174     historyAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_4));
 175     tabGroup->addAction(historyAction);
 176
 177     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 178     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 179     addressBookAction->setCheckable(true);
 180     addressBookAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_5));
 181     tabGroup->addAction(addressBookAction);
 182
 183     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 184     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 185     receiveCoinsAction->setCheckable(true);
 186     receiveCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_3));
 187     tabGroup->addAction(receiveCoinsAction);
 188
 189     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 190     sendCoinsAction->setToolTip(tr("Send coins to a bitcoin address"));
 191     sendCoinsAction->setCheckable(true);
 192     sendCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_2));
 193     tabGroup->addAction(sendCoinsAction);
 194
 195     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 196     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 197     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 198     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 199     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 200
 201     quitAction = new QAction(QIcon(":/icons/quit"), tr("E&xit"), this);
 202     quitAction->setToolTip(tr("Quit application"));
 203     quitAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 204     quitAction->setMenuRole(QAction::QuitRole);
 205     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About %1").arg(qApp->applicationName()), this);
 206     aboutAction->setToolTip(tr("Show information about Bitcoin"));
 207     aboutAction->setMenuRole(QAction::AboutQtRole);
 208     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 209     optionsAction->setToolTip(tr("Modify configuration options for bitcoin"));
 210     optionsAction->setMenuRole(QAction::PreferencesRole);
 211     openBitcoinAction = new QAction(QIcon(":/icons/bitcoin"), tr("Open &Bitcoin"), this);
 212     openBitcoinAction->setToolTip(tr("Show the Bitcoin window"));
 213     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
 214     exportAction->setToolTip(tr("Export the current view to a file"));
 215     encryptWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Encrypt Wallet"), this);
 216     encryptWalletAction->setToolTip(tr("Encrypt or decrypt wallet"));
 217     encryptWalletAction->setCheckable(true);
 218     changePassphraseAction = new QAction(QIcon(":/icons/key"), tr("&Change Passphrase"), this);
 219     changePassphraseAction->setToolTip(tr("Change the passphrase used for wallet encryption"));
 220
 221     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
 222     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 223     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 224     connect(openBitcoinAction, SIGNAL(triggered()), this, SLOT(showNormal()));
 225     connect(encryptWalletAction, SIGNAL(triggered(bool)), this, SLOT(encryptWallet(bool)));
 226     connect(changePassphraseAction, SIGNAL(triggered()), this, SLOT(changePassphrase()));
 227 }
 228
 229 void BitcoinGUI::createMenuBar()
 230 {
 231 #ifdef Q_WS_MAC
 232     // Create a decoupled menu bar on Mac which stays even if the window is closed
 233     appMenuBar = new QMenuBar();
 234 #else
 235     // Get the main window's menu bar on other platforms
 236     appMenuBar = menuBar();
 237 #endif
 238
 239     // Configure the menus
 240     QMenu *file = appMenuBar->addMenu(tr("&File"));
 241     file->addAction(quitAction);
 242
 243     QMenu *settings = appMenuBar->addMenu(tr("&Settings"));
 244     settings->addAction(encryptWalletAction);
 245     settings->addAction(changePassphraseAction);
 246     settings->addSeparator();
 247     settings->addAction(optionsAction);
 248
 249     QMenu *help = appMenuBar->addMenu(tr("&Help"));
 250     help->addAction(aboutAction);
 251 }
 252
 253 void BitcoinGUI::createToolBars()
 254 {
 255     QToolBar *toolbar = addToolBar(tr("Tabs toolbar"));
 256     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 257     toolbar->addAction(overviewAction);
 258     toolbar->addAction(sendCoinsAction);
 259     toolbar->addAction(receiveCoinsAction);
 260     toolbar->addAction(historyAction);
 261     toolbar->addAction(addressBookAction);
 262
 263     QToolBar *toolbar2 = addToolBar(tr("Actions toolbar"));
 264     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 265     toolbar2->addAction(exportAction);
 266 }
 267
 268 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 269 {
 270     this->clientModel = clientModel;
 271     if(clientModel)
 272     {
 273         if(clientModel->isTestNet())
 274         {
 275             QString title_testnet = windowTitle() + QString(" ") + tr("[testnet]");
 276             setWindowTitle(title_testnet);
 277 #ifndef Q_WS_MAC
 278             setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 279 #else
 280             MacDockIconHandler::instance()->setIcon(QIcon(":icons/bitcoin_testnet"));
 281 #endif
 282             if(trayIcon)
 283             {
 284                 trayIcon->setToolTip(title_testnet);
 285                 trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 286             }
 287         }
 288
 289         // Keep up to date with client
 290         setNumConnections(clientModel->getNumConnections());
 291         connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 292
 293         setNumBlocks(clientModel->getNumBlocks());
 294         connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 295
 296         // Report errors from network/worker thread
 297         connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 298     }
 299 }
 300
 301 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 302 {
 303     this->walletModel = walletModel;
 304     if(walletModel)
 305     {
 306         // Report errors from wallet thread
 307         connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 308
 309         // Put transaction list in tabs
 310         transactionView->setModel(walletModel);
 311
 312         overviewPage->setModel(walletModel);
 313         addressBookPage->setModel(walletModel->getAddressTableModel());
 314         receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 315         sendCoinsPage->setModel(walletModel);
 316
 317         setEncryptionStatus(walletModel->getEncryptionStatus());
 318         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
 319
 320         // Balloon popup for new transaction
 321         connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 322                 this, SLOT(incomingTransaction(QModelIndex,int,int)));
 323
 324         // Ask for passphrase if needed
 325         connect(walletModel, SIGNAL(requireUnlock()), this, SLOT(unlockWallet()));
 326     }
 327 }
 328
 329 void BitcoinGUI::createTrayIcon()
 330 {
 331     QMenu *trayIconMenu;
 332 #ifndef Q_WS_MAC
 333     trayIcon = new QSystemTrayIcon(this);
 334     trayIconMenu = new QMenu(this);
 335     trayIcon->setContextMenu(trayIconMenu);
 336     trayIcon->setToolTip("Bitcoin client");
 337     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 338     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 339             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 340     trayIcon->show();
 341 #else
 342     // Note: On Mac, the dock icon is used to provide the tray's functionality.
 343     MacDockIconHandler *dockIconHandler = MacDockIconHandler::instance();
 344     connect(dockIconHandler, SIGNAL(dockIconClicked()), openBitcoinAction, SLOT(trigger()));
 345     trayIconMenu = dockIconHandler->dockMenu();
 346 #endif
 347
 348     // Configuration of the tray icon (or dock icon) icon menu
 349     trayIconMenu->addAction(openBitcoinAction);
 350     trayIconMenu->addSeparator();
 351     trayIconMenu->addAction(receiveCoinsAction);
 352     trayIconMenu->addAction(sendCoinsAction);
 353     trayIconMenu->addSeparator();
 354     trayIconMenu->addAction(optionsAction);
 355 #ifndef Q_WS_MAC // This is built-in on Mac
 356     trayIconMenu->addSeparator();
 357     trayIconMenu->addAction(quitAction);
 358 #endif
 359
 360     notificator = new Notificator(tr("bitcoin-qt"), trayIcon);
 361 }
 362
 363 #ifndef Q_WS_MAC
 364 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 365 {
 366     if(reason == QSystemTrayIcon::Trigger)
 367     {
 368         // Click on system tray icon triggers "open bitcoin"
 369         openBitcoinAction->trigger();
 370     }
 371
 372 }
 373 #endif
 374
 375 void BitcoinGUI::optionsClicked()
 376 {
 377     if(!clientModel || !clientModel->getOptionsModel())
 378         return;
 379     OptionsDialog dlg;
 380     dlg.setModel(clientModel->getOptionsModel());
 381     dlg.exec();
 382 }
 383
 384 void BitcoinGUI::aboutClicked()
 385 {
 386     AboutDialog dlg;
 387     dlg.setModel(clientModel);
 388     dlg.exec();
 389 }
 390
 391 void BitcoinGUI::setNumConnections(int count)
 392 {
 393     QString icon;
 394     switch(count)
 395     {
 396     case 0: icon = ":/icons/connect_0"; break;
 397     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 398     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 399     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 400     default: icon = ":/icons/connect_4"; break;
 401     }
 402     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 403     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to Bitcoin network", "", count));
 404 }
 405
 406 void BitcoinGUI::setNumBlocks(int count)
 407 {
 408     if(!clientModel)
 409         return;
 410     int initTotal = clientModel->getNumBlocksAtStartup();
 411     int total = clientModel->getNumBlocksOfPeers();
 412     QString tooltip;
 413
 414     if(count < total)
 415     {
 416         if (clientModel->getStatusBarWarnings() == "")
 417         {
 418             progressBarLabel->setVisible(true);
 419             progressBarLabel->setText(tr("Synchronizing with network..."));
 420             progressBar->setVisible(true);
 421             progressBar->setMaximum(total - initTotal);
 422             progressBar->setValue(count - initTotal);
 423         }
 424         else
 425         {
 426             progressBarLabel->setText(clientModel->getStatusBarWarnings());
 427             progressBarLabel->setVisible(true);
 428             progressBar->setVisible(false);
 429         }
 430         tooltip = tr("Downloaded %1 of %2 blocks of transaction history.").arg(count).arg(total);
 431     }
 432     else
 433     {
 434         if (clientModel->getStatusBarWarnings() == "")
 435             progressBarLabel->setVisible(false);
 436         else
 437         {
 438             progressBarLabel->setText(clientModel->getStatusBarWarnings());
 439             progressBarLabel->setVisible(true);
 440         }
 441         progressBar->setVisible(false);
 442         tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
 443     }
 444
 445     QDateTime now = QDateTime::currentDateTime();
 446     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 447     int secs = lastBlockDate.secsTo(now);
 448     QString text;
 449
 450     // Represent time from last generated block in human readable text
 451     if(secs < 60)
 452     {
 453         text = tr("%n second(s) ago","",secs);
 454     }
 455     else if(secs < 60*60)
 456     {
 457         text = tr("%n minute(s) ago","",secs/60);
 458     }
 459     else if(secs < 24*60*60)
 460     {
 461         text = tr("%n hour(s) ago","",secs/(60*60));
 462     }
 463     else
 464     {
 465         text = tr("%n day(s) ago","",secs/(60*60*24));
 466     }
 467
 468     // Set icon state: spinning if catching up, tick otherwise
 469     if(secs < 30*60)
 470     {
 471         tooltip = tr("Up to date") + QString("\n") + tooltip;
 472         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 473     }
 474     else
 475     {
 476         tooltip = tr("Catching up...") + QString("\n") + tooltip;
 477         labelBlocksIcon->setMovie(syncIconMovie);
 478         syncIconMovie->start();
 479     }
 480
 481     tooltip += QString("\n");
 482     tooltip += tr("Last received block was generated %1.").arg(text);
 483
 484     labelBlocksIcon->setToolTip(tooltip);
 485     progressBarLabel->setToolTip(tooltip);
 486     progressBar->setToolTip(tooltip);
 487 }
 488
 489 void BitcoinGUI::refreshStatusBar()
 490 {
 491     /* Might display multiple times in the case of multiple alerts
 492     static QString prevStatusBar;
 493     QString newStatusBar = clientModel->getStatusBarWarnings();
 494     if (prevStatusBar != newStatusBar)
 495     {
 496         prevStatusBar = newStatusBar;
 497         error(tr("Network Alert"), newStatusBar);
 498     }*/
 499     setNumBlocks(clientModel->getNumBlocks());
 500 }
 501
 502 void BitcoinGUI::error(const QString &title, const QString &message)
 503 {
 504     // Report errors from network/worker thread
 505     notificator->notify(Notificator::Critical, title, message);
 506 }
 507
 508 void BitcoinGUI::changeEvent(QEvent *e)
 509 {
 510 #ifndef Q_WS_MAC // Ignored on Mac
 511     if(e->type() == QEvent::WindowStateChange)
 512     {
 513         if(clientModel && clientModel->getOptionsModel()->getMinimizeToTray())
 514         {
 515             if(isMinimized())
 516             {
 517                 hide();
 518                 e->ignore();
 519             }
 520             else
 521             {
 522                 show();
 523                 e->accept();
 524             }
 525         }
 526     }
 527 #endif
 528     QMainWindow::changeEvent(e);
 529 }
 530
 531 void BitcoinGUI::closeEvent(QCloseEvent *event)
 532 {
 533     if(clientModel)
 534     {
 535 #ifndef Q_WS_MAC // Ignored on Mac
 536         if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 537            !clientModel->getOptionsModel()->getMinimizeOnClose())
 538         {
 539             qApp->quit();
 540         }
 541 #endif
 542     }
 543     QMainWindow::closeEvent(event);
 544 }
 545
 546 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 547 {
 548     QString strMessage =
 549         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 550           "which goes to the nodes that process your transaction and helps to support the network.  "
 551           "Do you want to pay the fee?").arg(
 552                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 553     QMessageBox::StandardButton retval = QMessageBox::question(
 554           this, tr("Sending..."), strMessage,
 555           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 556     *payFee = (retval == QMessageBox::Yes);
 557 }
 558
 559 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 560 {
 561     if(!walletModel || !clientModel)
 562         return;
 563     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 564     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 565                     .data(Qt::EditRole).toULongLong();
 566     if(!clientModel->inInitialBlockDownload())
 567     {
 568         // On new transaction, make an info balloon
 569         // Unless the initial block download is in progress, to prevent balloon-spam
 570         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 571                         .data().toString();
 572         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 573                         .data().toString();
 574         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 575                         .data().toString();
 576         QIcon icon = qvariant_cast<QIcon>(ttm->index(start,
 577                             TransactionTableModel::ToAddress, parent)
 578                         .data(Qt::DecorationRole));
 579
 580         notificator->notify(Notificator::Information,
 581                             (amount)<0 ? tr("Sent transaction") :
 582                                          tr("Incoming transaction"),
 583                               tr("Date: %1\n"
 584                                  "Amount: %2\n"
 585                                  "Type: %3\n"
 586                                  "Address: %4\n")
 587                               .arg(date)
 588                               .arg(BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true))
 589                               .arg(type)
 590                               .arg(address), icon);
 591     }
 592 }
 593
 594 void BitcoinGUI::gotoOverviewPage()
 595 {
 596     show();
 597     overviewAction->setChecked(true);
 598     centralWidget->setCurrentWidget(overviewPage);
 599
 600     exportAction->setEnabled(false);
 601     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 602 }
 603
 604 void BitcoinGUI::gotoHistoryPage()
 605 {
 606     show();
 607     historyAction->setChecked(true);
 608     centralWidget->setCurrentWidget(transactionsPage);
 609
 610     exportAction->setEnabled(true);
 611     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 612     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 613 }
 614
 615 void BitcoinGUI::gotoAddressBookPage()
 616 {
 617     show();
 618     addressBookAction->setChecked(true);
 619     centralWidget->setCurrentWidget(addressBookPage);
 620
 621     exportAction->setEnabled(true);
 622     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 623     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 624 }
 625
 626 void BitcoinGUI::gotoReceiveCoinsPage()
 627 {
 628     show();
 629     receiveCoinsAction->setChecked(true);
 630     centralWidget->setCurrentWidget(receiveCoinsPage);
 631
 632     exportAction->setEnabled(true);
 633     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 634     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 635 }
 636
 637 void BitcoinGUI::gotoSendCoinsPage()
 638 {
 639     show();
 640     sendCoinsAction->setChecked(true);
 641     centralWidget->setCurrentWidget(sendCoinsPage);
 642
 643     exportAction->setEnabled(false);
 644     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 645 }
 646
 647 void BitcoinGUI::dragEnterEvent(QDragEnterEvent *event)
 648 {
 649     // Accept only URLs
 650     if(event->mimeData()->hasUrls())
 651         event->acceptProposedAction();
 652 }
 653
 654 void BitcoinGUI::dropEvent(QDropEvent *event)
 655 {
 656     if(event->mimeData()->hasUrls())
 657     {
 658         gotoSendCoinsPage();
 659         QList<QUrl> urls = event->mimeData()->urls();
 660         foreach(const QUrl &url, urls)
 661         {
 662             sendCoinsPage->handleURL(&url);
 663         }
 664     }
 665
 666     event->acceptProposedAction();
 667 }
 668
 669 void BitcoinGUI::setEncryptionStatus(int status)
 670 {
 671     switch(status)
 672     {
 673     case WalletModel::Unencrypted:
 674         labelEncryptionIcon->hide();
 675         encryptWalletAction->setChecked(false);
 676         changePassphraseAction->setEnabled(false);
 677         encryptWalletAction->setEnabled(true);
 678         break;
 679     case WalletModel::Unlocked:
 680         labelEncryptionIcon->show();
 681         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 682         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>unlocked</b>"));
 683         encryptWalletAction->setChecked(true);
 684         changePassphraseAction->setEnabled(true);
 685         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
 686         break;
 687     case WalletModel::Locked:
 688         labelEncryptionIcon->show();
 689         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 690         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>locked</b>"));
 691         encryptWalletAction->setChecked(true);
 692         changePassphraseAction->setEnabled(true);
 693         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
 694         break;
 695     }
 696 }
 697
 698 void BitcoinGUI::encryptWallet(bool status)
 699 {
 700     if(!walletModel)
 701         return;
 702     AskPassphraseDialog dlg(status ? AskPassphraseDialog::Encrypt:
 703                                      AskPassphraseDialog::Decrypt, this);
 704     dlg.setModel(walletModel);
 705     dlg.exec();
 706
 707     setEncryptionStatus(walletModel->getEncryptionStatus());
 708 }
 709
 710 void BitcoinGUI::changePassphrase()
 711 {
 712     AskPassphraseDialog dlg(AskPassphraseDialog::ChangePass, this);
 713     dlg.setModel(walletModel);
 714     dlg.exec();
 715 }
 716
 717 void BitcoinGUI::unlockWallet()
 718 {
 719     if(!walletModel)
 720         return;
 721     // Unlock wallet when requested by wallet model
 722     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
 723     {
 724         AskPassphraseDialog dlg(AskPassphraseDialog::Unlock, this);
 725         dlg.setModel(walletModel);
 726         dlg.exec();
 727     }
 728 }