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(sendCoinsAction);
  69     file->addAction(receiveCoinsAction);
  70     file->addSeparator();
  71     file->addAction(quitAction);
  72
  73     QMenu *settings = menuBar()->addMenu(tr("&Settings"));
  74     settings->addAction(encryptWalletAction);
  75     settings->addAction(changePassphraseAction);
  76     settings->addSeparator();
  77     settings->addAction(optionsAction);
  78
  79     QMenu *help = menuBar()->addMenu(tr("&Help"));
  80     help->addAction(aboutAction);
  81
  82     // Toolbars
  83     QToolBar *toolbar = addToolBar(tr("Tabs toolbar"));
  84     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  85     toolbar->addAction(overviewAction);
  86     toolbar->addAction(sendCoinsAction);
  87     toolbar->addAction(receiveCoinsAction);
  88     toolbar->addAction(historyAction);
  89     toolbar->addAction(addressBookAction);
  90
  91     QToolBar *toolbar2 = addToolBar(tr("Actions toolbar"));
  92     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  93     toolbar2->addAction(exportAction);
  94
  95     // Create tabs
  96     overviewPage = new OverviewPage();
  97
  98     transactionsPage = new QWidget(this);
  99     QVBoxLayout *vbox = new QVBoxLayout();
 100     transactionView = new TransactionView(this);
 101     vbox->addWidget(transactionView);
 102     transactionsPage->setLayout(vbox);
 103
 104     addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
 105
 106     receiveCoinsPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab);
 107
 108     sendCoinsPage = new SendCoinsDialog(this);
 109
 110     centralWidget = new QStackedWidget(this);
 111     centralWidget->addWidget(overviewPage);
 112     centralWidget->addWidget(transactionsPage);
 113     centralWidget->addWidget(addressBookPage);
 114     centralWidget->addWidget(receiveCoinsPage);
 115     centralWidget->addWidget(sendCoinsPage);
 116     setCentralWidget(centralWidget);
 117
 118     // Create status bar
 119     statusBar();
 120
 121     // Status bar notification icons
 122     QFrame *frameBlocks = new QFrame();
 123     //frameBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 124     frameBlocks->setContentsMargins(0,0,0,0);
 125     frameBlocks->setMinimumWidth(56);
 126     frameBlocks->setMaximumWidth(56);
 127     QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
 128     frameBlocksLayout->setContentsMargins(3,0,3,0);
 129     frameBlocksLayout->setSpacing(3);
 130     labelEncryptionIcon = new QLabel();
 131     labelConnectionsIcon = new QLabel();
 132     labelBlocksIcon = new QLabel();
 133     frameBlocksLayout->addStretch();
 134     frameBlocksLayout->addWidget(labelEncryptionIcon);
 135     frameBlocksLayout->addStretch();
 136     frameBlocksLayout->addWidget(labelConnectionsIcon);
 137     frameBlocksLayout->addStretch();
 138     frameBlocksLayout->addWidget(labelBlocksIcon);
 139     frameBlocksLayout->addStretch();
 140
 141     // Progress bar for blocks download
 142     progressBarLabel = new QLabel(tr("Synchronizing with network..."));
 143     progressBarLabel->setVisible(false);
 144     progressBar = new QProgressBar();
 145     progressBar->setToolTip(tr("Block chain synchronization in progress"));
 146     progressBar->setVisible(false);
 147
 148     statusBar()->addWidget(progressBarLabel);
 149     statusBar()->addWidget(progressBar);
 150     statusBar()->addPermanentWidget(frameBlocks);
 151
 152     createTrayIcon();
 153
 154     syncIconMovie = new QMovie(":/movies/update_spinner", "mng", this);
 155
 156     // Clicking on a transaction on the overview page simply sends you to transaction history page
 157     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), this, SLOT(gotoHistoryPage()));
 158
 159     // Doubleclicking on a transaction on the transaction history page shows details
 160     connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
 161
 162     gotoOverviewPage();
 163 }
 164
 165 void BitcoinGUI::createActions()
 166 {
 167     QActionGroup *tabGroup = new QActionGroup(this);
 168
 169     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 170     overviewAction->setToolTip(tr("Show general overview of wallet"));
 171     overviewAction->setCheckable(true);
 172     tabGroup->addAction(overviewAction);
 173
 174     historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
 175     historyAction->setToolTip(tr("Browse transaction history"));
 176     historyAction->setCheckable(true);
 177     tabGroup->addAction(historyAction);
 178
 179     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 180     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 181     addressBookAction->setCheckable(true);
 182     tabGroup->addAction(addressBookAction);
 183
 184     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 185     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 186     receiveCoinsAction->setCheckable(true);
 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     tabGroup->addAction(sendCoinsAction);
 193
 194     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 195     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 196     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 197     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 198     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 199
 200     quitAction = new QAction(QIcon(":/icons/quit"), tr("&Exit"), this);
 201     quitAction->setToolTip(tr("Quit application"));
 202     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About"), this);
 203     aboutAction->setToolTip(tr("Show information about Bitcoin"));
 204     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 205     optionsAction->setToolTip(tr("Modify configuration options for bitcoin"));
 206     openBitcoinAction = new QAction(QIcon(":/icons/bitcoin"), tr("Open &Bitcoin"), this);
 207     openBitcoinAction->setToolTip(tr("Show the Bitcoin window"));
 208     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
 209     exportAction->setToolTip(tr("Export the current view to a file"));
 210     encryptWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Encrypt Wallet"), this);
 211     encryptWalletAction->setToolTip(tr("Encrypt or decrypt wallet"));
 212     encryptWalletAction->setCheckable(true);
 213     changePassphraseAction = new QAction(QIcon(":/icons/key"), tr("&Change Passphrase"), this);
 214     changePassphraseAction->setToolTip(tr("Change the passphrase used for wallet encryption"));
 215
 216     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
 217     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 218     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 219     connect(openBitcoinAction, SIGNAL(triggered()), this, SLOT(showNormal()));
 220     connect(encryptWalletAction, SIGNAL(triggered(bool)), this, SLOT(encryptWallet(bool)));
 221     connect(changePassphraseAction, SIGNAL(triggered()), this, SLOT(changePassphrase()));
 222 }
 223
 224 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 225 {
 226     this->clientModel = clientModel;
 227
 228     if(clientModel->isTestNet())
 229     {
 230         QString title_testnet = windowTitle() + QString(" ") + tr("[testnet]");
 231         setWindowTitle(title_testnet);
 232         setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 233         if(trayIcon)
 234         {
 235             trayIcon->setToolTip(title_testnet);
 236             trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 237         }
 238     }
 239
 240     // Keep up to date with client
 241     setNumConnections(clientModel->getNumConnections());
 242     connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 243
 244     setNumBlocks(clientModel->getNumBlocks());
 245     connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 246
 247     // Report errors from network/worker thread
 248     connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 249 }
 250
 251 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 252 {
 253     this->walletModel = walletModel;
 254
 255     // Report errors from wallet thread
 256     connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 257
 258     // Put transaction list in tabs
 259     transactionView->setModel(walletModel);
 260
 261     overviewPage->setModel(walletModel);
 262     addressBookPage->setModel(walletModel->getAddressTableModel());
 263     receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 264     sendCoinsPage->setModel(walletModel);
 265
 266     setEncryptionStatus(walletModel->getEncryptionStatus());
 267     connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
 268
 269     // Balloon popup for new transaction
 270     connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 271             this, SLOT(incomingTransaction(QModelIndex,int,int)));
 272
 273     // Ask for passphrase if needed
 274     connect(walletModel, SIGNAL(requireUnlock()), this, SLOT(unlockWallet()));
 275 }
 276
 277 void BitcoinGUI::createTrayIcon()
 278 {
 279     QMenu *trayIconMenu = new QMenu(this);
 280     trayIconMenu->addAction(openBitcoinAction);
 281     trayIconMenu->addAction(optionsAction);
 282     trayIconMenu->addSeparator();
 283     trayIconMenu->addAction(quitAction);
 284
 285     trayIcon = new QSystemTrayIcon(this);
 286     trayIcon->setContextMenu(trayIconMenu);
 287     trayIcon->setToolTip("Bitcoin client");
 288     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 289     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 290             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 291     trayIcon->show();
 292
 293     notificator = new Notificator(tr("bitcoin-qt"), trayIcon);
 294 }
 295
 296 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 297 {
 298     if(reason == QSystemTrayIcon::Trigger)
 299     {
 300         // Click on system tray icon triggers "open bitcoin"
 301         openBitcoinAction->trigger();
 302     }
 303
 304 }
 305
 306 void BitcoinGUI::optionsClicked()
 307 {
 308     OptionsDialog dlg;
 309     dlg.setModel(clientModel->getOptionsModel());
 310     dlg.exec();
 311 }
 312
 313 void BitcoinGUI::aboutClicked()
 314 {
 315     AboutDialog dlg;
 316     dlg.setModel(clientModel);
 317     dlg.exec();
 318 }
 319
 320 void BitcoinGUI::setNumConnections(int count)
 321 {
 322     QString icon;
 323     switch(count)
 324     {
 325     case 0: icon = ":/icons/connect_0"; break;
 326     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 327     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 328     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 329     default: icon = ":/icons/connect_4"; break;
 330     }
 331     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 332     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to Bitcoin network", "", count));
 333 }
 334
 335 void BitcoinGUI::setNumBlocks(int count)
 336 {
 337     int initTotal = clientModel->getNumBlocksAtStartup();
 338     int total = clientModel->getNumBlocksOfPeers();
 339     QString tooltip;
 340
 341     if(count < total)
 342     {
 343         progressBarLabel->setVisible(true);
 344         progressBar->setVisible(true);
 345         progressBar->setMaximum(total - initTotal);
 346         progressBar->setValue(count - initTotal);
 347         tooltip = tr("Downloaded %1 of %2 blocks of transaction history.").arg(count).arg(total);
 348     }
 349     else
 350     {
 351         progressBarLabel->setVisible(false);
 352         progressBar->setVisible(false);
 353         tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
 354     }
 355
 356     QDateTime now = QDateTime::currentDateTime();
 357     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 358     int secs = lastBlockDate.secsTo(now);
 359     QString text;
 360
 361     // Represent time from last generated block in human readable text
 362     if(secs < 60)
 363     {
 364         text = tr("%n second(s) ago","",secs);
 365     }
 366     else if(secs < 60*60)
 367     {
 368         text = tr("%n minute(s) ago","",secs/60);
 369     }
 370     else if(secs < 24*60*60)
 371     {
 372         text = tr("%n hour(s) ago","",secs/(60*60));
 373     }
 374     else
 375     {
 376         text = tr("%n day(s) ago","",secs/(60*60*24));
 377     }
 378
 379     // Set icon state: spinning if catching up, tick otherwise
 380     if(secs < 30*60)
 381     {
 382         tooltip = tr("Up to date") + QString("\n") + tooltip;
 383         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 384     }
 385     else
 386     {
 387         tooltip = tr("Catching up...") + QString("\n") + tooltip;
 388         labelBlocksIcon->setMovie(syncIconMovie);
 389         syncIconMovie->start();
 390     }
 391
 392     tooltip += QString("\n");
 393     tooltip += tr("Last received block was generated %1.").arg(text);
 394
 395     labelBlocksIcon->setToolTip(tooltip);
 396     progressBarLabel->setToolTip(tooltip);
 397     progressBar->setToolTip(tooltip);
 398 }
 399
 400 void BitcoinGUI::error(const QString &title, const QString &message)
 401 {
 402     // Report errors from network/worker thread
 403     notificator->notify(Notificator::Critical, title, message);
 404 }
 405
 406 void BitcoinGUI::changeEvent(QEvent *e)
 407 {
 408     if (e->type() == QEvent::WindowStateChange)
 409     {
 410         if(clientModel->getOptionsModel()->getMinimizeToTray())
 411         {
 412             if (isMinimized())
 413             {
 414                 hide();
 415                 e->ignore();
 416             }
 417             else
 418             {
 419                 show();
 420                 e->accept();
 421             }
 422         }
 423     }
 424     QMainWindow::changeEvent(e);
 425 }
 426
 427 void BitcoinGUI::closeEvent(QCloseEvent *event)
 428 {
 429     if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 430        !clientModel->getOptionsModel()->getMinimizeOnClose())
 431     {
 432         qApp->quit();
 433     }
 434     QMainWindow::closeEvent(event);
 435 }
 436
 437 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 438 {
 439     QString strMessage =
 440         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 441           "which goes to the nodes that process your transaction and helps to support the network.  "
 442           "Do you want to pay the fee?").arg(
 443                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 444     QMessageBox::StandardButton retval = QMessageBox::question(
 445           this, tr("Sending..."), strMessage,
 446           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 447     *payFee = (retval == QMessageBox::Yes);
 448 }
 449
 450 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 451 {
 452     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 453     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 454                     .data(Qt::EditRole).toULongLong();
 455     if(!clientModel->inInitialBlockDownload())
 456     {
 457         // On new transaction, make an info balloon
 458         // Unless the initial block download is in progress, to prevent balloon-spam
 459         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 460                         .data().toString();
 461         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 462                         .data().toString();
 463         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 464                         .data().toString();
 465         QIcon icon = qvariant_cast<QIcon>(ttm->index(start,
 466                             TransactionTableModel::ToAddress, parent)
 467                         .data(Qt::DecorationRole));
 468
 469         notificator->notify(Notificator::Information,
 470                             (amount)<0 ? tr("Sent transaction") :
 471                                          tr("Incoming transaction"),
 472                               tr("Date: %1\n"
 473                                  "Amount: %2\n"
 474                                  "Type: %3\n"
 475                                  "Address: %4\n")
 476                               .arg(date)
 477                               .arg(BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true))
 478                               .arg(type)
 479                               .arg(address), icon);
 480     }
 481 }
 482
 483 void BitcoinGUI::gotoOverviewPage()
 484 {
 485     overviewAction->setChecked(true);
 486     centralWidget->setCurrentWidget(overviewPage);
 487
 488     exportAction->setEnabled(false);
 489     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 490 }
 491
 492 void BitcoinGUI::gotoHistoryPage()
 493 {
 494     historyAction->setChecked(true);
 495     centralWidget->setCurrentWidget(transactionsPage);
 496
 497     exportAction->setEnabled(true);
 498     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 499     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 500 }
 501
 502 void BitcoinGUI::gotoAddressBookPage()
 503 {
 504     addressBookAction->setChecked(true);
 505     centralWidget->setCurrentWidget(addressBookPage);
 506
 507     exportAction->setEnabled(true);
 508     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 509     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 510 }
 511
 512 void BitcoinGUI::gotoReceiveCoinsPage()
 513 {
 514     receiveCoinsAction->setChecked(true);
 515     centralWidget->setCurrentWidget(receiveCoinsPage);
 516
 517     exportAction->setEnabled(true);
 518     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 519     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 520 }
 521
 522 void BitcoinGUI::gotoSendCoinsPage()
 523 {
 524     sendCoinsAction->setChecked(true);
 525     if(centralWidget->currentWidget() != sendCoinsPage)
 526     {
 527         // Clear the current contents if we arrived from another tab
 528         sendCoinsPage->clear();
 529     }
 530     centralWidget->setCurrentWidget(sendCoinsPage);
 531
 532     exportAction->setEnabled(false);
 533     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 534 }
 535
 536 void BitcoinGUI::dragEnterEvent(QDragEnterEvent *event)
 537 {
 538     // Accept only URLs
 539     if(event->mimeData()->hasUrls())
 540         event->acceptProposedAction();
 541 }
 542
 543 void BitcoinGUI::dropEvent(QDropEvent *event)
 544 {
 545     if(event->mimeData()->hasUrls())
 546     {
 547         gotoSendCoinsPage();
 548         QList<QUrl> urls = event->mimeData()->urls();
 549         foreach(const QUrl &url, urls)
 550         {
 551             sendCoinsPage->handleURL(&url);
 552         }
 553     }
 554
 555     event->acceptProposedAction();
 556 }
 557
 558 void BitcoinGUI::setEncryptionStatus(int status)
 559 {
 560     switch(status)
 561     {
 562     case WalletModel::Unencrypted:
 563         labelEncryptionIcon->hide();
 564         encryptWalletAction->setChecked(false);
 565         changePassphraseAction->setEnabled(false);
 566         encryptWalletAction->setEnabled(true);
 567         break;
 568     case WalletModel::Unlocked:
 569         labelEncryptionIcon->show();
 570         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 571         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>unlocked</b>"));
 572         encryptWalletAction->setChecked(true);
 573         changePassphraseAction->setEnabled(true);
 574         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
 575         break;
 576     case WalletModel::Locked:
 577         labelEncryptionIcon->show();
 578         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 579         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>locked</b>"));
 580         encryptWalletAction->setChecked(true);
 581         changePassphraseAction->setEnabled(true);
 582         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
 583         break;
 584     }
 585 }
 586
 587 void BitcoinGUI::encryptWallet(bool status)
 588 {
 589     AskPassphraseDialog dlg(status ? AskPassphraseDialog::Encrypt:
 590                                      AskPassphraseDialog::Decrypt, this);
 591     dlg.setModel(walletModel);
 592     dlg.exec();
 593
 594     setEncryptionStatus(walletModel->getEncryptionStatus());
 595 }
 596
 597 void BitcoinGUI::changePassphrase()
 598 {
 599     AskPassphraseDialog dlg(AskPassphraseDialog::ChangePass, this);
 600     dlg.setModel(walletModel);
 601     dlg.exec();
 602 }
 603
 604 void BitcoinGUI::unlockWallet()
 605 {
 606     // Unlock wallet when requested by wallet model
 607     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
 608     {
 609         AskPassphraseDialog dlg(AskPassphraseDialog::Unlock, this);
 610         dlg.setModel(walletModel);
 611         dlg.exec();
 612     }
 613 }