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(show()));
 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         // Doubleclick on system tray icon triggers "open bitcoin"
 301         openBitcoinAction->trigger();
 302     }
 303 }
 304
 305 void BitcoinGUI::optionsClicked()
 306 {
 307     OptionsDialog dlg;
 308     dlg.setModel(clientModel->getOptionsModel());
 309     dlg.exec();
 310 }
 311
 312 void BitcoinGUI::aboutClicked()
 313 {
 314     AboutDialog dlg;
 315     dlg.setModel(clientModel);
 316     dlg.exec();
 317 }
 318
 319 void BitcoinGUI::setNumConnections(int count)
 320 {
 321     QString icon;
 322     switch(count)
 323     {
 324     case 0: icon = ":/icons/connect_0"; break;
 325     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 326     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 327     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 328     default: icon = ":/icons/connect_4"; break;
 329     }
 330     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 331     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to Bitcoin network", "", count));
 332 }
 333
 334 void BitcoinGUI::setNumBlocks(int count)
 335 {
 336     int total = clientModel->getTotalBlocksEstimate();
 337     QString tooltip;
 338
 339     if(count < total)
 340     {
 341         progressBarLabel->setVisible(true);
 342         progressBar->setVisible(true);
 343         progressBar->setMaximum(total);
 344         progressBar->setValue(count);
 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                 e->accept();
 418             }
 419         }
 420     }
 421     QMainWindow::changeEvent(e);
 422 }
 423
 424 void BitcoinGUI::closeEvent(QCloseEvent *event)
 425 {
 426     if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 427        !clientModel->getOptionsModel()->getMinimizeOnClose())
 428     {
 429         qApp->quit();
 430     }
 431     QMainWindow::closeEvent(event);
 432 }
 433
 434 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 435 {
 436     QString strMessage =
 437         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 438           "which goes to the nodes that process your transaction and helps to support the network.  "
 439           "Do you want to pay the fee?").arg(
 440                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 441     QMessageBox::StandardButton retval = QMessageBox::question(
 442           this, tr("Sending..."), strMessage,
 443           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 444     *payFee = (retval == QMessageBox::Yes);
 445 }
 446
 447 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 448 {
 449     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 450     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 451                     .data(Qt::EditRole).toULongLong();
 452     if(!clientModel->inInitialBlockDownload())
 453     {
 454         // On new transaction, make an info balloon
 455         // Unless the initial block download is in progress, to prevent balloon-spam
 456         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 457                         .data().toString();
 458         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 459                         .data().toString();
 460         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 461                         .data().toString();
 462         QIcon icon = qvariant_cast<QIcon>(ttm->index(start,
 463                             TransactionTableModel::ToAddress, parent)
 464                         .data(Qt::DecorationRole));
 465
 466         notificator->notify(Notificator::Information,
 467                             (amount)<0 ? tr("Sent transaction") :
 468                                          tr("Incoming transaction"),
 469                               tr("Date: %1\n"
 470                                  "Amount: %2\n"
 471                                  "Type: %3\n"
 472                                  "Address: %4\n")
 473                               .arg(date)
 474                               .arg(BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true))
 475                               .arg(type)
 476                               .arg(address), icon);
 477     }
 478 }
 479
 480 void BitcoinGUI::gotoOverviewPage()
 481 {
 482     overviewAction->setChecked(true);
 483     centralWidget->setCurrentWidget(overviewPage);
 484
 485     exportAction->setEnabled(false);
 486     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 487 }
 488
 489 void BitcoinGUI::gotoHistoryPage()
 490 {
 491     historyAction->setChecked(true);
 492     centralWidget->setCurrentWidget(transactionsPage);
 493
 494     exportAction->setEnabled(true);
 495     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 496     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 497 }
 498
 499 void BitcoinGUI::gotoAddressBookPage()
 500 {
 501     addressBookAction->setChecked(true);
 502     centralWidget->setCurrentWidget(addressBookPage);
 503
 504     exportAction->setEnabled(true);
 505     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 506     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 507 }
 508
 509 void BitcoinGUI::gotoReceiveCoinsPage()
 510 {
 511     receiveCoinsAction->setChecked(true);
 512     centralWidget->setCurrentWidget(receiveCoinsPage);
 513
 514     exportAction->setEnabled(true);
 515     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 516     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 517 }
 518
 519 void BitcoinGUI::gotoSendCoinsPage()
 520 {
 521     sendCoinsAction->setChecked(true);
 522     if(centralWidget->currentWidget() != sendCoinsPage)
 523     {
 524         // Clear the current contents if we arrived from another tab
 525         sendCoinsPage->clear();
 526     }
 527     centralWidget->setCurrentWidget(sendCoinsPage);
 528
 529     exportAction->setEnabled(false);
 530     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 531 }
 532
 533 void BitcoinGUI::dragEnterEvent(QDragEnterEvent *event)
 534 {
 535     // Accept only URLs
 536     if(event->mimeData()->hasUrls())
 537         event->acceptProposedAction();
 538 }
 539
 540 void BitcoinGUI::dropEvent(QDropEvent *event)
 541 {
 542     if(event->mimeData()->hasUrls())
 543     {
 544         gotoSendCoinsPage();
 545         QList<QUrl> urls = event->mimeData()->urls();
 546         foreach(const QUrl &url, urls)
 547         {
 548             sendCoinsPage->handleURL(&url);
 549         }
 550     }
 551
 552     event->acceptProposedAction();
 553 }
 554
 555 void BitcoinGUI::setEncryptionStatus(int status)
 556 {
 557     switch(status)
 558     {
 559     case WalletModel::Unencrypted:
 560         labelEncryptionIcon->hide();
 561         encryptWalletAction->setChecked(false);
 562         changePassphraseAction->setEnabled(false);
 563         encryptWalletAction->setEnabled(true);
 564         break;
 565     case WalletModel::Unlocked:
 566         labelEncryptionIcon->show();
 567         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 568         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>unlocked</b>"));
 569         encryptWalletAction->setChecked(true);
 570         changePassphraseAction->setEnabled(true);
 571         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
 572         break;
 573     case WalletModel::Locked:
 574         labelEncryptionIcon->show();
 575         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 576         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>locked</b>"));
 577         encryptWalletAction->setChecked(true);
 578         changePassphraseAction->setEnabled(true);
 579         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
 580         break;
 581     }
 582 }
 583
 584 void BitcoinGUI::encryptWallet(bool status)
 585 {
 586     AskPassphraseDialog dlg(status ? AskPassphraseDialog::Encrypt:
 587                                      AskPassphraseDialog::Decrypt, this);
 588     dlg.setModel(walletModel);
 589     dlg.exec();
 590
 591     setEncryptionStatus(walletModel->getEncryptionStatus());
 592 }
 593
 594 void BitcoinGUI::changePassphrase()
 595 {
 596     AskPassphraseDialog dlg(AskPassphraseDialog::ChangePass, this);
 597     dlg.setModel(walletModel);
 598     dlg.exec();
 599 }
 600
 601 void BitcoinGUI::unlockWallet()
 602 {
 603     // Unlock wallet when requested by wallet model
 604     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
 605     {
 606         AskPassphraseDialog dlg(AskPassphraseDialog::Unlock, this);
 607         dlg.setModel(walletModel);
 608         dlg.exec();
 609     }
 610 }