src/qt/bitcoingui.cpp

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