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 #include "notificator.h"
  24
  25 #include <QApplication>
  26 #include <QMainWindow>
  27 #include <QMenuBar>
  28 #include <QMenu>
  29 #include <QIcon>
  30 #include <QTabWidget>
  31 #include <QVBoxLayout>
  32 #include <QToolBar>
  33 #include <QStatusBar>
  34 #include <QLabel>
  35 #include <QLineEdit>
  36 #include <QPushButton>
  37 #include <QLocale>
  38 #include <QMessageBox>
  39 #include <QProgressBar>
  40 #include <QStackedWidget>
  41 #include <QDateTime>
  42 #include <QMovie>
  43
  44 #include <QDragEnterEvent>
  45 #include <QUrl>
  46
  47 #include <iostream>
  48
  49 BitcoinGUI::BitcoinGUI(QWidget *parent):
  50     QMainWindow(parent),
  51     clientModel(0),
  52     walletModel(0),
  53     encryptWalletAction(0),
  54     changePassphraseAction(0),
  55     trayIcon(0),
  56     notificator(0)
  57 {
  58     resize(850, 550);
  59     setWindowTitle(tr("Bitcoin Wallet"));
  60     setWindowIcon(QIcon(":icons/bitcoin"));
  61     // Accept D&D of URIs
  62     setAcceptDrops(true);
  63
  64     createActions();
  65
  66     // Menus
  67     QMenu *file = menuBar()->addMenu(tr("&File"));
  68     file->addAction(quitAction);
  69
  70     QMenu *settings = menuBar()->addMenu(tr("&Settings"));
  71     settings->addAction(encryptWalletAction);
  72     settings->addAction(changePassphraseAction);
  73     settings->addSeparator();
  74     settings->addAction(optionsAction);
  75
  76     QMenu *help = menuBar()->addMenu(tr("&Help"));
  77     help->addAction(aboutAction);
  78
  79     // Toolbars
  80     QToolBar *toolbar = addToolBar(tr("Tabs toolbar"));
  81     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  82     toolbar->addAction(overviewAction);
  83     toolbar->addAction(sendCoinsAction);
  84     toolbar->addAction(receiveCoinsAction);
  85     toolbar->addAction(historyAction);
  86     toolbar->addAction(addressBookAction);
  87
  88     QToolBar *toolbar2 = addToolBar(tr("Actions toolbar"));
  89     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  90     toolbar2->addAction(exportAction);
  91
  92     // Create tabs
  93     overviewPage = new OverviewPage();
  94
  95     transactionsPage = new QWidget(this);
  96     QVBoxLayout *vbox = new QVBoxLayout();
  97     transactionView = new TransactionView(this);
  98     vbox->addWidget(transactionView);
  99     transactionsPage->setLayout(vbox);
 100
 101     addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
 102
 103     receiveCoinsPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab);
 104
 105     sendCoinsPage = new SendCoinsDialog(this);
 106
 107     centralWidget = new QStackedWidget(this);
 108     centralWidget->addWidget(overviewPage);
 109     centralWidget->addWidget(transactionsPage);
 110     centralWidget->addWidget(addressBookPage);
 111     centralWidget->addWidget(receiveCoinsPage);
 112     centralWidget->addWidget(sendCoinsPage);
 113     setCentralWidget(centralWidget);
 114
 115     // Create status bar
 116     statusBar();
 117
 118     // Status bar notification icons
 119     QFrame *frameBlocks = new QFrame();
 120     //frameBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 121     frameBlocks->setContentsMargins(0,0,0,0);
 122     frameBlocks->setMinimumWidth(56);
 123     frameBlocks->setMaximumWidth(56);
 124     QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
 125     frameBlocksLayout->setContentsMargins(3,0,3,0);
 126     frameBlocksLayout->setSpacing(3);
 127     labelEncryptionIcon = new QLabel();
 128     labelConnectionsIcon = new QLabel();
 129     labelBlocksIcon = new QLabel();
 130     frameBlocksLayout->addStretch();
 131     frameBlocksLayout->addWidget(labelEncryptionIcon);
 132     frameBlocksLayout->addStretch();
 133     frameBlocksLayout->addWidget(labelConnectionsIcon);
 134     frameBlocksLayout->addStretch();
 135     frameBlocksLayout->addWidget(labelBlocksIcon);
 136     frameBlocksLayout->addStretch();
 137
 138     // Progress bar for blocks download
 139     progressBarLabel = new QLabel(tr("Synchronizing with network..."));
 140     progressBarLabel->setVisible(false);
 141     progressBar = new QProgressBar();
 142     progressBar->setToolTip(tr("Block chain synchronization in progress"));
 143     progressBar->setVisible(false);
 144
 145     statusBar()->addWidget(progressBarLabel);
 146     statusBar()->addWidget(progressBar);
 147     statusBar()->addPermanentWidget(frameBlocks);
 148
 149     createTrayIcon();
 150
 151     syncIconMovie = new QMovie(":/movies/update_spinner", "mng", this);
 152
 153     // Clicking on a transaction on the overview page simply sends you to transaction history page
 154     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), this, SLOT(gotoHistoryPage()));
 155
 156     // Doubleclicking on a transaction on the transaction history page shows details
 157     connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
 158
 159     gotoOverviewPage();
 160 }
 161
 162 void BitcoinGUI::createActions()
 163 {
 164     QActionGroup *tabGroup = new QActionGroup(this);
 165
 166     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 167     overviewAction->setToolTip(tr("Show general overview of wallet"));
 168     overviewAction->setCheckable(true);
 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     tabGroup->addAction(historyAction);
 175
 176     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 177     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 178     addressBookAction->setCheckable(true);
 179     tabGroup->addAction(addressBookAction);
 180
 181     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 182     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 183     receiveCoinsAction->setCheckable(true);
 184     tabGroup->addAction(receiveCoinsAction);
 185
 186     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 187     sendCoinsAction->setToolTip(tr("Send coins to a bitcoin address"));
 188     sendCoinsAction->setCheckable(true);
 189     tabGroup->addAction(sendCoinsAction);
 190
 191     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 192     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 193     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 194     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 195     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 196
 197     quitAction = new QAction(QIcon(":/icons/quit"), tr("E&xit"), this);
 198     quitAction->setToolTip(tr("Quit application"));
 199     quitAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 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(showNormal()));
 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     notificator = new Notificator(tr("bitcoin-qt"), trayIcon);
 292 }
 293
 294 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 295 {
 296     if(reason == QSystemTrayIcon::Trigger)
 297     {
 298         // Click on system tray icon triggers "open bitcoin"
 299         openBitcoinAction->trigger();
 300     }
 301
 302 }
 303
 304 void BitcoinGUI::optionsClicked()
 305 {
 306     OptionsDialog dlg;
 307     dlg.setModel(clientModel->getOptionsModel());
 308     dlg.exec();
 309 }
 310
 311 void BitcoinGUI::aboutClicked()
 312 {
 313     AboutDialog dlg;
 314     dlg.setModel(clientModel);
 315     dlg.exec();
 316 }
 317
 318 void BitcoinGUI::setNumConnections(int count)
 319 {
 320     QString icon;
 321     switch(count)
 322     {
 323     case 0: icon = ":/icons/connect_0"; break;
 324     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 325     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 326     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 327     default: icon = ":/icons/connect_4"; break;
 328     }
 329     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 330     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to Bitcoin network", "", count));
 331 }
 332
 333 void BitcoinGUI::setNumBlocks(int count)
 334 {
 335     int initTotal = clientModel->getNumBlocksAtStartup();
 336     int total = clientModel->getNumBlocksOfPeers();
 337     QString tooltip;
 338
 339     if(count < total)
 340     {
 341         progressBarLabel->setVisible(true);
 342         progressBar->setVisible(true);
 343         progressBar->setMaximum(total - initTotal);
 344         progressBar->setValue(count - initTotal);
 345         tooltip = tr("Downloaded %1 of %2 blocks of transaction history.").arg(count).arg(total);
 346     }
 347     else
 348     {
 349         progressBarLabel->setVisible(false);
 350         progressBar->setVisible(false);
 351         tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
 352     }
 353
 354     QDateTime now = QDateTime::currentDateTime();
 355     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 356     int secs = lastBlockDate.secsTo(now);
 357     QString text;
 358
 359     // Represent time from last generated block in human readable text
 360     if(secs < 60)
 361     {
 362         text = tr("%n second(s) ago","",secs);
 363     }
 364     else if(secs < 60*60)
 365     {
 366         text = tr("%n minute(s) ago","",secs/60);
 367     }
 368     else if(secs < 24*60*60)
 369     {
 370         text = tr("%n hour(s) ago","",secs/(60*60));
 371     }
 372     else
 373     {
 374         text = tr("%n day(s) ago","",secs/(60*60*24));
 375     }
 376
 377     // Set icon state: spinning if catching up, tick otherwise
 378     if(secs < 30*60)
 379     {
 380         tooltip = tr("Up to date") + QString("\n") + tooltip;
 381         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 382     }
 383     else
 384     {
 385         tooltip = tr("Catching up...") + QString("\n") + tooltip;
 386         labelBlocksIcon->setMovie(syncIconMovie);
 387         syncIconMovie->start();
 388     }
 389
 390     tooltip += QString("\n");
 391     tooltip += tr("Last received block was generated %1.").arg(text);
 392
 393     labelBlocksIcon->setToolTip(tooltip);
 394     progressBarLabel->setToolTip(tooltip);
 395     progressBar->setToolTip(tooltip);
 396 }
 397
 398 void BitcoinGUI::error(const QString &title, const QString &message)
 399 {
 400     // Report errors from network/worker thread
 401     notificator->notify(Notificator::Critical, title, message);
 402 }
 403
 404 void BitcoinGUI::changeEvent(QEvent *e)
 405 {
 406     if (e->type() == QEvent::WindowStateChange)
 407     {
 408         if(clientModel->getOptionsModel()->getMinimizeToTray())
 409         {
 410             if (isMinimized())
 411             {
 412                 hide();
 413                 e->ignore();
 414             }
 415             else
 416             {
 417                 show();
 418                 e->accept();
 419             }
 420         }
 421     }
 422     QMainWindow::changeEvent(e);
 423 }
 424
 425 void BitcoinGUI::closeEvent(QCloseEvent *event)
 426 {
 427     if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 428        !clientModel->getOptionsModel()->getMinimizeOnClose())
 429     {
 430         qApp->quit();
 431     }
 432     QMainWindow::closeEvent(event);
 433 }
 434
 435 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 436 {
 437     QString strMessage =
 438         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 439           "which goes to the nodes that process your transaction and helps to support the network.  "
 440           "Do you want to pay the fee?").arg(
 441                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 442     QMessageBox::StandardButton retval = QMessageBox::question(
 443           this, tr("Sending..."), strMessage,
 444           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 445     *payFee = (retval == QMessageBox::Yes);
 446 }
 447
 448 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 449 {
 450     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 451     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 452                     .data(Qt::EditRole).toULongLong();
 453     if(!clientModel->inInitialBlockDownload())
 454     {
 455         // On new transaction, make an info balloon
 456         // Unless the initial block download is in progress, to prevent balloon-spam
 457         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 458                         .data().toString();
 459         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 460                         .data().toString();
 461         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 462                         .data().toString();
 463         QIcon icon = qvariant_cast<QIcon>(ttm->index(start,
 464                             TransactionTableModel::ToAddress, parent)
 465                         .data(Qt::DecorationRole));
 466
 467         notificator->notify(Notificator::Information,
 468                             (amount)<0 ? tr("Sent transaction") :
 469                                          tr("Incoming transaction"),
 470                               tr("Date: %1\n"
 471                                  "Amount: %2\n"
 472                                  "Type: %3\n"
 473                                  "Address: %4\n")
 474                               .arg(date)
 475                               .arg(BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true))
 476                               .arg(type)
 477                               .arg(address), icon);
 478     }
 479 }
 480
 481 void BitcoinGUI::gotoOverviewPage()
 482 {
 483     overviewAction->setChecked(true);
 484     centralWidget->setCurrentWidget(overviewPage);
 485
 486     exportAction->setEnabled(false);
 487     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 488 }
 489
 490 void BitcoinGUI::gotoHistoryPage()
 491 {
 492     historyAction->setChecked(true);
 493     centralWidget->setCurrentWidget(transactionsPage);
 494
 495     exportAction->setEnabled(true);
 496     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 497     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 498 }
 499
 500 void BitcoinGUI::gotoAddressBookPage()
 501 {
 502     addressBookAction->setChecked(true);
 503     centralWidget->setCurrentWidget(addressBookPage);
 504
 505     exportAction->setEnabled(true);
 506     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 507     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 508 }
 509
 510 void BitcoinGUI::gotoReceiveCoinsPage()
 511 {
 512     receiveCoinsAction->setChecked(true);
 513     centralWidget->setCurrentWidget(receiveCoinsPage);
 514
 515     exportAction->setEnabled(true);
 516     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 517     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 518 }
 519
 520 void BitcoinGUI::gotoSendCoinsPage()
 521 {
 522     sendCoinsAction->setChecked(true);
 523     centralWidget->setCurrentWidget(sendCoinsPage);
 524
 525     exportAction->setEnabled(false);
 526     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 527 }
 528
 529 void BitcoinGUI::dragEnterEvent(QDragEnterEvent *event)
 530 {
 531     // Accept only URLs
 532     if(event->mimeData()->hasUrls())
 533         event->acceptProposedAction();
 534 }
 535
 536 void BitcoinGUI::dropEvent(QDropEvent *event)
 537 {
 538     if(event->mimeData()->hasUrls())
 539     {
 540         gotoSendCoinsPage();
 541         QList<QUrl> urls = event->mimeData()->urls();
 542         foreach(const QUrl &url, urls)
 543         {
 544             sendCoinsPage->handleURL(&url);
 545         }
 546     }
 547
 548     event->acceptProposedAction();
 549 }
 550
 551 void BitcoinGUI::setEncryptionStatus(int status)
 552 {
 553     switch(status)
 554     {
 555     case WalletModel::Unencrypted:
 556         labelEncryptionIcon->hide();
 557         encryptWalletAction->setChecked(false);
 558         changePassphraseAction->setEnabled(false);
 559         encryptWalletAction->setEnabled(true);
 560         break;
 561     case WalletModel::Unlocked:
 562         labelEncryptionIcon->show();
 563         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 564         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>unlocked</b>"));
 565         encryptWalletAction->setChecked(true);
 566         changePassphraseAction->setEnabled(true);
 567         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
 568         break;
 569     case WalletModel::Locked:
 570         labelEncryptionIcon->show();
 571         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 572         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>locked</b>"));
 573         encryptWalletAction->setChecked(true);
 574         changePassphraseAction->setEnabled(true);
 575         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
 576         break;
 577     }
 578 }
 579
 580 void BitcoinGUI::encryptWallet(bool status)
 581 {
 582     AskPassphraseDialog dlg(status ? AskPassphraseDialog::Encrypt:
 583                                      AskPassphraseDialog::Decrypt, this);
 584     dlg.setModel(walletModel);
 585     dlg.exec();
 586
 587     setEncryptionStatus(walletModel->getEncryptionStatus());
 588 }
 589
 590 void BitcoinGUI::changePassphrase()
 591 {
 592     AskPassphraseDialog dlg(AskPassphraseDialog::ChangePass, this);
 593     dlg.setModel(walletModel);
 594     dlg.exec();
 595 }
 596
 597 void BitcoinGUI::unlockWallet()
 598 {
 599     // Unlock wallet when requested by wallet model
 600     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
 601     {
 602         AskPassphraseDialog dlg(AskPassphraseDialog::Unlock, this);
 603         dlg.setModel(walletModel);
 604         dlg.exec();
 605     }
 606 }