src/qt/bitcoingui.cpp

   1 /*
   2  * Qt4 bitcoin GUI.
   3  *
   4  * W.J. van der Laan 2011-2012
   5  * The Bitcoin Developers 2011-2012
   6  */
   7 #include "bitcoingui.h"
   8 #include "transactiontablemodel.h"
   9 #include "addressbookpage.h"
  10 #include "sendcoinsdialog.h"
  11 #include "signverifymessagedialog.h"
  12 #include "optionsdialog.h"
  13 #include "aboutdialog.h"
  14 #include "clientmodel.h"
  15 #include "walletmodel.h"
  16 #include "editaddressdialog.h"
  17 #include "optionsmodel.h"
  18 #include "transactiondescdialog.h"
  19 #include "addresstablemodel.h"
  20 #include "transactionview.h"
  21 #include "overviewpage.h"
  22 #include "bitcoinunits.h"
  23 #include "guiconstants.h"
  24 #include "askpassphrasedialog.h"
  25 #include "notificator.h"
  26 #include "guiutil.h"
  27 #include "ui_interface.h"
  28 #include "rpcconsole.h"
  29
  30 #ifdef Q_OS_MAC
  31 #include "macdockiconhandler.h"
  32 #endif
  33
  34 #include <QApplication>
  35 #include <QMainWindow>
  36 #include <QMenuBar>
  37 #include <QMenu>
  38 #include <QIcon>
  39 #include <QTabWidget>
  40 #include <QVBoxLayout>
  41 #include <QToolBar>
  42 #include <QStatusBar>
  43 #include <QLabel>
  44 #include <QLineEdit>
  45 #include <QPushButton>
  46 #include <QLocale>
  47 #include <QMessageBox>
  48 #include <QProgressBar>
  49 #include <QStackedWidget>
  50 #include <QDateTime>
  51 #include <QMovie>
  52 #include <QFileDialog>
  53 #include <QDesktopServices>
  54 #include <QTimer>
  55 #include <QDragEnterEvent>
  56 #include <QUrl>
  57 #include <QStyle>
  58
  59 #include <iostream>
  60
  61 extern bool fWalletUnlockMintOnly;
  62
  63 BitcoinGUI::BitcoinGUI(QWidget *parent):
  64     QMainWindow(parent),
  65     clientModel(0),
  66     walletModel(0),
  67     encryptWalletAction(0),
  68     lockWalletAction(0),
  69     unlockWalletAction(0),
  70     unlockWalletMiningAction(0),
  71     changePassphraseAction(0),
  72     aboutQtAction(0),
  73     trayIcon(0),
  74     notificator(0),
  75     rpcConsole(0)
  76 {
  77     resize(850, 550);
  78     setWindowTitle(tr("NovaCoin") + " - " + tr("Wallet"));
  79 #ifndef Q_OS_MAC
  80     qApp->setWindowIcon(QIcon(":icons/bitcoin"));
  81     setWindowIcon(QIcon(":icons/bitcoin"));
  82 #else
  83     setUnifiedTitleAndToolBarOnMac(true);
  84     QApplication::setAttribute(Qt::AA_DontShowIconsInMenus);
  85 #endif
  86     // Accept D&D of URIs
  87     setAcceptDrops(true);
  88
  89     // Create actions for the toolbar, menu bar and tray/dock icon
  90     createActions();
  91
  92     // Create application menu bar
  93     createMenuBar();
  94
  95     // Create the toolbars
  96     createToolBars();
  97
  98     // Create the tray icon (or setup the dock icon)
  99     createTrayIcon();
 100
 101     // Create tabs
 102     overviewPage = new OverviewPage();
 103
 104     transactionsPage = new QWidget(this);
 105     QVBoxLayout *vbox = new QVBoxLayout();
 106     transactionView = new TransactionView(this);
 107     vbox->addWidget(transactionView);
 108     transactionsPage->setLayout(vbox);
 109
 110     addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
 111
 112     receiveCoinsPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab);
 113
 114     sendCoinsPage = new SendCoinsDialog(this);
 115
 116     signVerifyMessageDialog = new SignVerifyMessageDialog(this);
 117
 118     centralWidget = new QStackedWidget(this);
 119     centralWidget->addWidget(overviewPage);
 120     centralWidget->addWidget(transactionsPage);
 121     centralWidget->addWidget(addressBookPage);
 122     centralWidget->addWidget(receiveCoinsPage);
 123     centralWidget->addWidget(sendCoinsPage);
 124     setCentralWidget(centralWidget);
 125
 126     // Create status bar
 127     statusBar();
 128
 129     // Status bar notification icons
 130     QFrame *frameBlocks = new QFrame();
 131     frameBlocks->setContentsMargins(0,0,0,0);
 132     frameBlocks->setMinimumWidth(72);
 133     frameBlocks->setMaximumWidth(72);
 134     QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
 135     frameBlocksLayout->setContentsMargins(3,0,3,0);
 136     frameBlocksLayout->setSpacing(3);
 137     labelEncryptionIcon = new QLabel();
 138     labelMiningIcon = new QLabel();
 139     labelConnectionsIcon = new QLabel();
 140     labelBlocksIcon = new QLabel();
 141     frameBlocksLayout->addStretch();
 142     frameBlocksLayout->addWidget(labelEncryptionIcon);
 143     frameBlocksLayout->addStretch();
 144     frameBlocksLayout->addWidget(labelMiningIcon);
 145     frameBlocksLayout->addStretch();
 146     frameBlocksLayout->addWidget(labelConnectionsIcon);
 147     frameBlocksLayout->addStretch();
 148     frameBlocksLayout->addWidget(labelBlocksIcon);
 149     frameBlocksLayout->addStretch();
 150
 151     // Progress bar and label for blocks download
 152     progressBarLabel = new QLabel();
 153     progressBarLabel->setVisible(false);
 154     progressBar = new QProgressBar();
 155     progressBar->setAlignment(Qt::AlignCenter);
 156     progressBar->setVisible(false);
 157
 158     // Override style sheet for progress bar for styles that have a segmented progress bar,
 159     // as they make the text unreadable (workaround for issue #1071)
 160     // See https://qt-project.org/doc/qt-4.8/gallery.html
 161     QString curStyle = qApp->style()->metaObject()->className();
 162     if(curStyle == "QWindowsStyle" || curStyle == "QWindowsXPStyle")
 163     {
 164         progressBar->setStyleSheet("QProgressBar { background-color: #e8e8e8; border: 1px solid grey; border-radius: 7px; padding: 1px; text-align: center; } QProgressBar::chunk { background: QLinearGradient(x1: 0, y1: 0, x2: 1, y2: 0, stop: 0 #FF8000, stop: 1 orange); border-radius: 7px; margin: 0px; }");
 165     }
 166
 167     statusBar()->addWidget(progressBarLabel);
 168     statusBar()->addWidget(progressBar);
 169     statusBar()->addPermanentWidget(frameBlocks);
 170
 171     syncIconMovie = new QMovie(":/movies/update_spinner", "mng", this);
 172
 173     // Clicking on a transaction on the overview page simply sends you to transaction history page
 174     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), this, SLOT(gotoHistoryPage()));
 175     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), transactionView, SLOT(focusTransaction(QModelIndex)));
 176
 177     // Double-clicking on a transaction on the transaction history page shows details
 178     connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
 179
 180     rpcConsole = new RPCConsole(this);
 181     connect(openRPCConsoleAction, SIGNAL(triggered()), rpcConsole, SLOT(show()));
 182
 183     // Clicking on "Verify Message" in the address book sends you to the verify message tab
 184     connect(addressBookPage, SIGNAL(verifyMessage(QString)), this, SLOT(gotoVerifyMessageTab(QString)));
 185     // Clicking on "Sign Message" in the receive coins page sends you to the sign message tab
 186     connect(receiveCoinsPage, SIGNAL(signMessage(QString)), this, SLOT(gotoSignMessageTab(QString)));
 187
 188     gotoOverviewPage();
 189 }
 190
 191 BitcoinGUI::~BitcoinGUI()
 192 {
 193     if(trayIcon) // Hide tray icon, as deleting will let it linger until quit (on Ubuntu)
 194         trayIcon->hide();
 195 #ifdef Q_OS_MAC
 196     delete appMenuBar;
 197 #endif
 198 }
 199
 200 void BitcoinGUI::createActions()
 201 {
 202     QActionGroup *tabGroup = new QActionGroup(this);
 203
 204     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 205     overviewAction->setToolTip(tr("Show general overview of wallet"));
 206     overviewAction->setCheckable(true);
 207     overviewAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_1));
 208     tabGroup->addAction(overviewAction);
 209
 210     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 211     sendCoinsAction->setToolTip(tr("Send coins to a NovaCoin address"));
 212     sendCoinsAction->setCheckable(true);
 213     sendCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_2));
 214     tabGroup->addAction(sendCoinsAction);
 215
 216     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 217     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 218     receiveCoinsAction->setCheckable(true);
 219     receiveCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_3));
 220     tabGroup->addAction(receiveCoinsAction);
 221
 222     historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
 223     historyAction->setToolTip(tr("Browse transaction history"));
 224     historyAction->setCheckable(true);
 225     historyAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_4));
 226     tabGroup->addAction(historyAction);
 227
 228     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 229     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 230     addressBookAction->setCheckable(true);
 231     addressBookAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_5));
 232     tabGroup->addAction(addressBookAction);
 233
 234     connect(overviewAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 235     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 236     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 237     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 238     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 239     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 240     connect(historyAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 241     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 242     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 243     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 244
 245     quitAction = new QAction(QIcon(":/icons/quit"), tr("E&xit"), this);
 246     quitAction->setToolTip(tr("Quit application"));
 247     quitAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 248     quitAction->setMenuRole(QAction::QuitRole);
 249     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About NovaCoin"), this);
 250     aboutAction->setToolTip(tr("Show information about NovaCoin"));
 251     aboutAction->setMenuRole(QAction::AboutRole);
 252     aboutQtAction = new QAction(QIcon(":/trolltech/qmessagebox/images/qtlogo-64.png"), tr("About &Qt"), this);
 253     aboutQtAction->setToolTip(tr("Show information about Qt"));
 254     aboutQtAction->setMenuRole(QAction::AboutQtRole);
 255     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 256     optionsAction->setToolTip(tr("Modify configuration options for NovaCoin"));
 257     optionsAction->setMenuRole(QAction::PreferencesRole);
 258     toggleHideAction = new QAction(QIcon(":/icons/bitcoin"), tr("&Show / Hide"), this);
 259     encryptWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Encrypt Wallet..."), this);
 260     encryptWalletAction->setToolTip(tr("Encrypt or decrypt wallet"));
 261     encryptWalletAction->setCheckable(true);
 262     backupWalletAction = new QAction(QIcon(":/icons/filesave"), tr("&Backup Wallet..."), this);
 263     backupWalletAction->setToolTip(tr("Backup wallet to another location"));
 264     dumpWalletAction = new QAction(QIcon(":/icons/dump"), tr("&Dump Wallet..."), this);
 265     dumpWalletAction->setStatusTip(tr("Dump keys to a text file"));
 266     importWalletAction = new QAction(QIcon(":/icons/import"), tr("&Import Wallet..."), this);
 267     importWalletAction->setStatusTip(tr("Import keys into a wallet"));
 268     changePassphraseAction = new QAction(QIcon(":/icons/key"), tr("&Change Passphrase..."), this);
 269     changePassphraseAction->setToolTip(tr("Change the passphrase used for wallet encryption"));
 270     signMessageAction = new QAction(QIcon(":/icons/edit"), tr("Sign &message..."), this);
 271     verifyMessageAction = new QAction(QIcon(":/icons/transaction_0"), tr("&Verify message..."), this);
 272
 273     lockWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Lock wallet"), this);
 274     lockWalletAction->setToolTip(tr("Lock wallet"));
 275     lockWalletAction->setCheckable(true);
 276
 277     unlockWalletAction = new QAction(QIcon(":/icons/lock_open"), tr("Unlo&ck wallet"), this);
 278     unlockWalletAction->setToolTip(tr("Unlock wallet"));
 279     unlockWalletAction->setCheckable(true);
 280
 281     unlockWalletMiningAction = new QAction(QIcon(":/icons/mining_active"), tr("Unlo&ck wallet for mining"), this);
 282     unlockWalletMiningAction->setToolTip(tr("Unlock wallet for mining"));
 283     unlockWalletMiningAction->setCheckable(true);
 284
 285     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
 286     exportAction->setToolTip(tr("Export the data in the current tab to a file"));
 287     openRPCConsoleAction = new QAction(QIcon(":/icons/debugwindow"), tr("&Debug window"), this);
 288     openRPCConsoleAction->setToolTip(tr("Open debugging and diagnostic console"));
 289
 290     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
 291     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 292     connect(aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
 293     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 294     connect(toggleHideAction, SIGNAL(triggered()), this, SLOT(toggleHidden()));
 295     connect(encryptWalletAction, SIGNAL(triggered(bool)), this, SLOT(encryptWallet(bool)));
 296     connect(lockWalletAction, SIGNAL(triggered(bool)), this, SLOT(lockWallet()));
 297     connect(unlockWalletAction, SIGNAL(triggered(bool)), this, SLOT(unlockWallet()));
 298     connect(unlockWalletMiningAction, SIGNAL(triggered(bool)), this, SLOT(unlockWalletMining(bool)));
 299     connect(backupWalletAction, SIGNAL(triggered()), this, SLOT(backupWallet()));
 300     connect(dumpWalletAction, SIGNAL(triggered()), this, SLOT(dumpWallet()));
 301     connect(importWalletAction, SIGNAL(triggered()), this, SLOT(importWallet()));
 302     connect(changePassphraseAction, SIGNAL(triggered()), this, SLOT(changePassphrase()));
 303     connect(signMessageAction, SIGNAL(triggered()), this, SLOT(gotoSignMessageTab()));
 304     connect(verifyMessageAction, SIGNAL(triggered()), this, SLOT(gotoVerifyMessageTab()));
 305 }
 306
 307 void BitcoinGUI::createMenuBar()
 308 {
 309 #ifdef Q_OS_MAC
 310     // Create a decoupled menu bar on Mac which stays even if the window is closed
 311     appMenuBar = new QMenuBar();
 312 #else
 313     // Get the main window's menu bar on other platforms
 314     appMenuBar = menuBar();
 315 #endif
 316
 317     // Configure the menus
 318     QMenu *file = appMenuBar->addMenu(tr("&File"));
 319     file->addAction(backupWalletAction);
 320     file->addSeparator();
 321     file->addAction(dumpWalletAction);
 322     file->addAction(importWalletAction);
 323     file->addAction(exportAction);
 324     file->addAction(signMessageAction);
 325     file->addAction(verifyMessageAction);
 326     file->addSeparator();
 327     file->addAction(quitAction);
 328
 329     QMenu *settings = appMenuBar->addMenu(tr("&Settings"));
 330     QMenu *securityMenu = settings->addMenu(QIcon(":/icons/key"), tr("&Wallet security"));
 331     securityMenu->addAction(encryptWalletAction);
 332     securityMenu->addAction(changePassphraseAction);
 333     securityMenu->addAction(unlockWalletAction);
 334     securityMenu->addAction(unlockWalletMiningAction);
 335     securityMenu->addAction(lockWalletAction);
 336     settings->addSeparator();
 337     settings->addAction(optionsAction);
 338
 339     QMenu *help = appMenuBar->addMenu(tr("&Help"));
 340     help->addAction(openRPCConsoleAction);
 341     help->addSeparator();
 342     help->addAction(aboutAction);
 343     help->addAction(aboutQtAction);
 344 }
 345
 346 void BitcoinGUI::createToolBars()
 347 {
 348     QToolBar *toolbar = addToolBar(tr("Tabs toolbar"));
 349     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 350     toolbar->addAction(overviewAction);
 351     toolbar->addAction(sendCoinsAction);
 352     toolbar->addAction(receiveCoinsAction);
 353     toolbar->addAction(historyAction);
 354     toolbar->addAction(addressBookAction);
 355
 356     QToolBar *toolbar2 = addToolBar(tr("Actions toolbar"));
 357     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 358     toolbar2->addAction(exportAction);
 359 }
 360
 361 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 362 {
 363     this->clientModel = clientModel;
 364     if(clientModel)
 365     {
 366         // Replace some strings and icons, when using the testnet
 367         if(clientModel->isTestNet())
 368         {
 369             setWindowTitle(windowTitle() + QString(" ") + tr("[testnet]"));
 370 #ifndef Q_OS_MAC
 371             qApp->setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 372             setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 373 #else
 374             MacDockIconHandler::instance()->setIcon(QIcon(":icons/bitcoin_testnet"));
 375 #endif
 376             if(trayIcon)
 377             {
 378                 trayIcon->setToolTip(tr("NovaCoin client") + QString(" ") + tr("[testnet]"));
 379                 trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 380                 toggleHideAction->setIcon(QIcon(":/icons/toolbar_testnet"));
 381             }
 382
 383             aboutAction->setIcon(QIcon(":/icons/toolbar_testnet"));
 384         }
 385
 386         // Keep up to date with client
 387         setNumConnections(clientModel->getNumConnections());
 388         connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 389
 390         setNumBlocks(clientModel->getNumBlocks(), clientModel->getNumBlocksOfPeers());
 391         connect(clientModel, SIGNAL(numBlocksChanged(int,int)), this, SLOT(setNumBlocks(int,int)));
 392         connect(clientModel, SIGNAL(numBlocksChanged(int,int)), this, SLOT(updateMining()));
 393
 394         // Report errors from network/worker thread
 395         connect(clientModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
 396
 397         rpcConsole->setClientModel(clientModel);
 398         addressBookPage->setOptionsModel(clientModel->getOptionsModel());
 399         receiveCoinsPage->setOptionsModel(clientModel->getOptionsModel());
 400     }
 401 }
 402
 403 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 404 {
 405     this->walletModel = walletModel;
 406     if(walletModel)
 407     {
 408         // Report errors from wallet thread
 409         connect(walletModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
 410
 411         // Put transaction list in tabs
 412         transactionView->setModel(walletModel);
 413
 414         overviewPage->setModel(walletModel);
 415         addressBookPage->setModel(walletModel->getAddressTableModel());
 416         receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 417         sendCoinsPage->setModel(walletModel);
 418         signVerifyMessageDialog->setModel(walletModel);
 419
 420         setEncryptionStatus(walletModel->getEncryptionStatus());
 421         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
 422         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(updateMining()));
 423
 424         // Balloon pop-up for new transaction
 425         connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 426                 this, SLOT(incomingTransaction(QModelIndex,int,int)));
 427
 428         // Ask for passphrase if needed
 429         connect(walletModel, SIGNAL(requireUnlock()), this, SLOT(unlockWallet()));
 430     }
 431 }
 432
 433 void BitcoinGUI::createTrayIcon()
 434 {
 435     QMenu *trayIconMenu;
 436 #ifndef Q_OS_MAC
 437     trayIcon = new QSystemTrayIcon(this);
 438     trayIconMenu = new QMenu(this);
 439     trayIcon->setContextMenu(trayIconMenu);
 440     trayIcon->setToolTip(tr("NovaCoin client"));
 441     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 442     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 443             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 444     trayIcon->show();
 445 #else
 446     // Note: On Mac, the dock icon is used to provide the tray's functionality.
 447     MacDockIconHandler *dockIconHandler = MacDockIconHandler::instance();
 448     trayIconMenu = dockIconHandler->dockMenu();
 449 #endif
 450
 451     // Configuration of the tray icon (or dock icon) icon menu
 452     trayIconMenu->addAction(toggleHideAction);
 453     trayIconMenu->addSeparator();
 454     trayIconMenu->addAction(sendCoinsAction);
 455     trayIconMenu->addAction(receiveCoinsAction);
 456     trayIconMenu->addSeparator();
 457     trayIconMenu->addAction(signMessageAction);
 458     trayIconMenu->addAction(verifyMessageAction);
 459     trayIconMenu->addSeparator();
 460     trayIconMenu->addAction(optionsAction);
 461     trayIconMenu->addAction(openRPCConsoleAction);
 462 #ifndef Q_OS_MAC // This is built-in on Mac
 463     trayIconMenu->addSeparator();
 464     trayIconMenu->addAction(quitAction);
 465 #endif
 466
 467     notificator = new Notificator(qApp->applicationName(), trayIcon);
 468 }
 469
 470 #ifndef Q_OS_MAC
 471 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 472 {
 473     if(reason == QSystemTrayIcon::Trigger)
 474     {
 475         // Click on system tray icon triggers show/hide of the main window
 476         toggleHideAction->trigger();
 477     }
 478 }
 479 #endif
 480
 481 void BitcoinGUI::optionsClicked()
 482 {
 483     if(!clientModel || !clientModel->getOptionsModel())
 484         return;
 485     OptionsDialog dlg;
 486     dlg.setModel(clientModel->getOptionsModel());
 487     dlg.exec();
 488 }
 489
 490 void BitcoinGUI::aboutClicked()
 491 {
 492     AboutDialog dlg;
 493     dlg.setModel(clientModel);
 494     dlg.exec();
 495 }
 496
 497 void BitcoinGUI::setNumConnections(int count)
 498 {
 499     QString icon;
 500     switch(count)
 501     {
 502     case 0: icon = ":/icons/connect_0"; break;
 503     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 504     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 505     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 506     default: icon = ":/icons/connect_4"; break;
 507     }
 508     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 509     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to NovaCoin network", "", count));
 510 }
 511
 512 void BitcoinGUI::setNumBlocks(int count, int nTotalBlocks)
 513 {
 514     // don't show / hide progress bar and its label if we have no connection to the network
 515     if (!clientModel || clientModel->getNumConnections() == 0)
 516     {
 517         progressBarLabel->setVisible(false);
 518         progressBar->setVisible(false);
 519
 520         return;
 521     }
 522
 523     QString strStatusBarWarnings = clientModel->getStatusBarWarnings();
 524     QString tooltip;
 525
 526     if(count < nTotalBlocks)
 527     {
 528         int nRemainingBlocks = nTotalBlocks - count;
 529         float nPercentageDone = count / (nTotalBlocks * 0.01f);
 530
 531         if (strStatusBarWarnings.isEmpty())
 532         {
 533             progressBarLabel->setText(tr("Synchronizing with network..."));
 534             progressBarLabel->setVisible(true);
 535             progressBar->setFormat(tr("~%n block(s) remaining", "", nRemainingBlocks));
 536             progressBar->setMaximum(nTotalBlocks);
 537             progressBar->setValue(count);
 538             progressBar->setVisible(true);
 539         }
 540
 541         tooltip = tr("Downloaded %1 of %2 blocks of transaction history (%3% done).").arg(count).arg(nTotalBlocks).arg(nPercentageDone, 0, 'f', 2);
 542     }
 543     else
 544     {
 545         if (strStatusBarWarnings.isEmpty())
 546             progressBarLabel->setVisible(false);
 547
 548         progressBar->setVisible(false);
 549         tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
 550     }
 551
 552     // Override progressBarLabel text and hide progress bar, when we have warnings to display
 553     if (!strStatusBarWarnings.isEmpty())
 554     {
 555         progressBarLabel->setText(strStatusBarWarnings);
 556         progressBarLabel->setVisible(true);
 557         progressBar->setVisible(false);
 558     }
 559
 560     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 561     int secs = lastBlockDate.secsTo(QDateTime::currentDateTime());
 562     QString text;
 563
 564     // Represent time from last generated block in human readable text
 565     if(secs <= 0)
 566     {
 567         // Fully up to date. Leave text empty.
 568     }
 569     else if(secs < 60)
 570     {
 571         text = tr("%n second(s) ago","",secs);
 572     }
 573     else if(secs < 60*60)
 574     {
 575         text = tr("%n minute(s) ago","",secs/60);
 576     }
 577     else if(secs < 24*60*60)
 578     {
 579         text = tr("%n hour(s) ago","",secs/(60*60));
 580     }
 581     else
 582     {
 583         text = tr("%n day(s) ago","",secs/(60*60*24));
 584     }
 585
 586     // Set icon state: spinning if catching up, tick otherwise
 587     if(secs < 90*60 && count >= nTotalBlocks)
 588     {
 589         tooltip = tr("Up to date") + QString(".<br>") + tooltip;
 590         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE, STATUSBAR_ICONSIZE));
 591
 592         overviewPage->showOutOfSyncWarning(false);
 593     }
 594     else
 595     {
 596         tooltip = tr("Catching up...") + QString("<br>") + tooltip;
 597         labelBlocksIcon->setMovie(syncIconMovie);
 598         syncIconMovie->start();
 599
 600         overviewPage->showOutOfSyncWarning(true);
 601     }
 602
 603     if(!text.isEmpty())
 604     {
 605         tooltip += QString("<br>");
 606         tooltip += tr("Last received block was generated %1.").arg(text);
 607     }
 608
 609     // Don't word-wrap this (fixed-width) tooltip
 610     tooltip = QString("<nobr>") + tooltip + QString("</nobr>");
 611
 612     labelBlocksIcon->setToolTip(tooltip);
 613     progressBarLabel->setToolTip(tooltip);
 614     progressBar->setToolTip(tooltip);
 615 }
 616
 617 void BitcoinGUI::updateMining()
 618 {
 619    if(!walletModel)
 620       return;
 621
 622     labelMiningIcon->setPixmap(QIcon(":/icons/mining_inactive").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 623
 624     if (!clientModel->getNumConnections())
 625     {
 626         labelMiningIcon->setToolTip(tr("Wallet is offline"));
 627         return;
 628     }
 629
 630     if (walletModel->getEncryptionStatus() == WalletModel::Locked)
 631     {
 632         labelMiningIcon->setToolTip(tr("Wallet is locked"));
 633         return;
 634     }
 635
 636     if (clientModel->inInitialBlockDownload() || clientModel->getNumBlocksOfPeers() > clientModel->getNumBlocks())
 637     {
 638         labelMiningIcon->setToolTip(tr("Blockchain download is in progress"));
 639         return;
 640     }
 641
 642     uint64 nMinWeight = 0, nMaxWeight = 0, nTotalWeight = 0;
 643     walletModel->getStakeWeight(nMinWeight, nMaxWeight, nTotalWeight);
 644
 645     if (nTotalWeight > 0)
 646     {
 647         labelMiningIcon->setPixmap(QIcon(":/icons/mining_active").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 648
 649         double dNetworkWeight = clientModel->getPoSKernelPS();
 650 /*
 651         double dDifficulty = clientModel->getDifficulty(true);
 652         QString msg;
 653
 654         int nApproxTime = 4294967297 * dDifficulty / nTotalWeight;
 655
 656         if (nApproxTime < 60)
 657             msg = tr("%n second(s)", "", nApproxTime);
 658         else if (nApproxTime < 60*60)
 659             msg = tr("%n minute(s)", "", nApproxTime / 60);
 660         else if (nApproxTime < 24*60*60)
 661             msg = tr("%n hour(s)", "", nApproxTime / 3600);
 662         else
 663             msg = tr("%n day(s)", "", nApproxTime / 86400);
 664
 665         labelMiningIcon->setToolTip(tr("Stake miner is active\nYour current stake weight is %1\nNetwork weight is %2\nAverage block generation time is %3").arg(nTotalWeight).arg(dNetworkWeight).arg(msg));
 666 */
 667
 668         labelMiningIcon->setToolTip(tr("Stake miner is active\nYour current stake weight is %1\nNetwork weight is %2").arg(nTotalWeight).arg(dNetworkWeight));
 669     }
 670     else
 671         labelMiningIcon->setToolTip(tr("No suitable inputs were found"));
 672 }
 673
 674 void BitcoinGUI::error(const QString &title, const QString &message, bool modal)
 675 {
 676     // Report errors from network/worker thread
 677     if(modal)
 678     {
 679         QMessageBox::critical(this, title, message, QMessageBox::Ok, QMessageBox::Ok);
 680     } else {
 681         notificator->notify(Notificator::Critical, title, message);
 682     }
 683 }
 684
 685 void BitcoinGUI::message(const QString &title, const QString &message, unsigned int style, const QString &detail)
 686 {
 687     QString strTitle = tr("NovaCoin") + " - ";
 688     // Default to information icon
 689     int nMBoxIcon = QMessageBox::Information;
 690     int nNotifyIcon = Notificator::Information;
 691
 692
 693     // Check for usage of predefined title
 694     switch (style) {
 695     case CClientUIInterface::MSG_ERROR:
 696         strTitle += tr("Error");
 697         break;
 698     case CClientUIInterface::MSG_WARNING:
 699         strTitle += tr("Warning");
 700         break;
 701     case CClientUIInterface::MSG_INFORMATION:
 702         strTitle += tr("Information");
 703         break;
 704     default:
 705         strTitle += title; // Use supplied title
 706     }
 707
 708     // Check for error/warning icon
 709     if (style & CClientUIInterface::ICON_ERROR) {
 710         nMBoxIcon = QMessageBox::Critical;
 711         nNotifyIcon = Notificator::Critical;
 712     }
 713     else if (style & CClientUIInterface::ICON_WARNING) {
 714         nMBoxIcon = QMessageBox::Warning;
 715         nNotifyIcon = Notificator::Warning;
 716     }
 717
 718     // Display message
 719     if (style & CClientUIInterface::MODAL) {
 720         // Check for buttons, use OK as default, if none was supplied
 721         QMessageBox::StandardButton buttons;
 722         buttons = QMessageBox::Ok;
 723
 724         QMessageBox mBox((QMessageBox::Icon)nMBoxIcon, strTitle, message, buttons);
 725
 726         if(!detail.isEmpty()) { mBox.setDetailedText(detail); }
 727
 728         mBox.exec();
 729     }
 730     else
 731         notificator->notify((Notificator::Class)nNotifyIcon, strTitle, message);
 732 }
 733
 734
 735 void BitcoinGUI::changeEvent(QEvent *e)
 736 {
 737     QMainWindow::changeEvent(e);
 738 #ifndef Q_OS_MAC // Ignored on Mac
 739     if(e->type() == QEvent::WindowStateChange)
 740     {
 741         if(clientModel && clientModel->getOptionsModel()->getMinimizeToTray())
 742         {
 743             QWindowStateChangeEvent *wsevt = static_cast<QWindowStateChangeEvent*>(e);
 744             if(!(wsevt->oldState() & Qt::WindowMinimized) && isMinimized())
 745             {
 746                 QTimer::singleShot(0, this, SLOT(hide()));
 747                 e->ignore();
 748             }
 749         }
 750     }
 751 #endif
 752 }
 753
 754 void BitcoinGUI::closeEvent(QCloseEvent *event)
 755 {
 756     if(clientModel)
 757     {
 758 #ifndef Q_OS_MAC // Ignored on Mac
 759         if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 760            !clientModel->getOptionsModel()->getMinimizeOnClose())
 761         {
 762             qApp->quit();
 763         }
 764 #endif
 765     }
 766     QMainWindow::closeEvent(event);
 767 }
 768
 769 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 770 {
 771     QString strMessage =
 772         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 773           "which goes to the nodes that process your transaction and helps to support the network.  "
 774           "Do you want to pay the fee?").arg(
 775                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 776     QMessageBox::StandardButton retval = QMessageBox::question(
 777           this, tr("Confirm transaction fee"), strMessage,
 778           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 779     *payFee = (retval == QMessageBox::Yes);
 780 }
 781
 782 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 783 {
 784     if(!walletModel || !clientModel)
 785         return;
 786     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 787     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 788                     .data(Qt::EditRole).toULongLong();
 789     if(!clientModel->inInitialBlockDownload())
 790     {
 791         // On new transaction, make an info balloon
 792         // Unless the initial block download is in progress, to prevent balloon-spam
 793         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 794                         .data().toString();
 795         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 796                         .data().toString();
 797         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 798                         .data().toString();
 799         QIcon icon = qvariant_cast<QIcon>(ttm->index(start,
 800                             TransactionTableModel::ToAddress, parent)
 801                         .data(Qt::DecorationRole));
 802
 803         notificator->notify(Notificator::Information,
 804                             (amount)<0 ? tr("Sent transaction") :
 805                                          tr("Incoming transaction"),
 806                               tr("Date: %1\n"
 807                                  "Amount: %2\n"
 808                                  "Type: %3\n"
 809                                  "Address: %4\n")
 810                               .arg(date)
 811                               .arg(BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true))
 812                               .arg(type)
 813                               .arg(address), icon);
 814     }
 815 }
 816
 817 void BitcoinGUI::gotoOverviewPage()
 818 {
 819     overviewAction->setChecked(true);
 820     centralWidget->setCurrentWidget(overviewPage);
 821
 822     exportAction->setEnabled(false);
 823     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 824 }
 825
 826 void BitcoinGUI::gotoHistoryPage()
 827 {
 828     historyAction->setChecked(true);
 829     centralWidget->setCurrentWidget(transactionsPage);
 830
 831     exportAction->setEnabled(true);
 832     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 833     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 834 }
 835
 836 void BitcoinGUI::gotoAddressBookPage()
 837 {
 838     addressBookAction->setChecked(true);
 839     centralWidget->setCurrentWidget(addressBookPage);
 840
 841     exportAction->setEnabled(true);
 842     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 843     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 844 }
 845
 846 void BitcoinGUI::gotoReceiveCoinsPage()
 847 {
 848     receiveCoinsAction->setChecked(true);
 849     centralWidget->setCurrentWidget(receiveCoinsPage);
 850
 851     exportAction->setEnabled(true);
 852     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 853     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 854 }
 855
 856 void BitcoinGUI::gotoSendCoinsPage()
 857 {
 858     sendCoinsAction->setChecked(true);
 859     centralWidget->setCurrentWidget(sendCoinsPage);
 860
 861     exportAction->setEnabled(false);
 862     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 863 }
 864
 865 void BitcoinGUI::gotoSignMessageTab(QString addr)
 866 {
 867     // call show() in showTab_SM()
 868     signVerifyMessageDialog->showTab_SM(true);
 869
 870     if(!addr.isEmpty())
 871         signVerifyMessageDialog->setAddress_SM(addr);
 872 }
 873
 874 void BitcoinGUI::gotoVerifyMessageTab(QString addr)
 875 {
 876     // call show() in showTab_VM()
 877     signVerifyMessageDialog->showTab_VM(true);
 878
 879     if(!addr.isEmpty())
 880         signVerifyMessageDialog->setAddress_VM(addr);
 881 }
 882
 883 void BitcoinGUI::dragEnterEvent(QDragEnterEvent *event)
 884 {
 885     // Accept only URIs
 886     if(event->mimeData()->hasUrls())
 887         event->acceptProposedAction();
 888 }
 889
 890 void BitcoinGUI::dropEvent(QDropEvent *event)
 891 {
 892     if(event->mimeData()->hasUrls())
 893     {
 894         int nValidUrisFound = 0;
 895         QList<QUrl> uris = event->mimeData()->urls();
 896         foreach(const QUrl &uri, uris)
 897         {
 898             if (sendCoinsPage->handleURI(uri.toString()))
 899                 nValidUrisFound++;
 900         }
 901
 902         // if valid URIs were found
 903         if (nValidUrisFound)
 904             gotoSendCoinsPage();
 905         else
 906             notificator->notify(Notificator::Warning, tr("URI handling"), tr("URI can not be parsed! This can be caused by an invalid NovaCoin address or malformed URI parameters."));
 907     }
 908
 909     event->acceptProposedAction();
 910 }
 911
 912 void BitcoinGUI::handleURI(QString strURI)
 913 {
 914     // URI has to be valid
 915     if (sendCoinsPage->handleURI(strURI))
 916     {
 917         showNormalIfMinimized();
 918         gotoSendCoinsPage();
 919     }
 920     else
 921         notificator->notify(Notificator::Warning, tr("URI handling"), tr("URI can not be parsed! This can be caused by an invalid NovaCoin address or malformed URI parameters."));
 922 }
 923
 924 void BitcoinGUI::setEncryptionStatus(int status)
 925 {
 926     switch(status)
 927     {
 928     case WalletModel::Unencrypted:
 929         labelEncryptionIcon->hide();
 930         encryptWalletAction->setChecked(false);
 931         changePassphraseAction->setEnabled(false);
 932         lockWalletAction->setEnabled(false);
 933         unlockWalletAction->setEnabled(false);
 934         unlockWalletMiningAction->setEnabled(false);
 935         encryptWalletAction->setEnabled(true);
 936         break;
 937     case WalletModel::Unlocked:
 938         labelEncryptionIcon->show();
 939         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 940         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>unlocked</b>"));
 941         encryptWalletAction->setChecked(true);
 942         changePassphraseAction->setEnabled(true);
 943         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
 944
 945         lockWalletAction->setEnabled(true);
 946         lockWalletAction->setChecked(false);
 947         unlockWalletAction->setEnabled(false);
 948         unlockWalletMiningAction->setEnabled(false);
 949
 950         if (fWalletUnlockMintOnly)
 951             unlockWalletMiningAction->setEnabled(true);
 952         else
 953             unlockWalletAction->setChecked(true);
 954
 955         break;
 956     case WalletModel::Locked:
 957         labelEncryptionIcon->show();
 958         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 959         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>locked</b>"));
 960         encryptWalletAction->setChecked(true);
 961         changePassphraseAction->setEnabled(true);
 962         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
 963
 964         lockWalletAction->setChecked(true);
 965         unlockWalletAction->setChecked(false);
 966         unlockWalletMiningAction->setChecked(false);
 967
 968         lockWalletAction->setEnabled(false);
 969         unlockWalletAction->setEnabled(true);
 970         unlockWalletMiningAction->setEnabled(true);
 971         break;
 972     }
 973 }
 974
 975 void BitcoinGUI::encryptWallet(bool status)
 976 {
 977     if(!walletModel)
 978         return;
 979     AskPassphraseDialog dlg(status ? AskPassphraseDialog::Encrypt:
 980                                      AskPassphraseDialog::Decrypt, this);
 981     dlg.setModel(walletModel);
 982     dlg.exec();
 983
 984     setEncryptionStatus(walletModel->getEncryptionStatus());
 985 }
 986
 987 void BitcoinGUI::unlockWalletMining(bool status)
 988 {
 989     if(!walletModel)
 990         return;
 991
 992     // Unlock wallet when requested by wallet model
 993     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
 994     {
 995         AskPassphraseDialog dlg(AskPassphraseDialog::UnlockMining, this);
 996         dlg.setModel(walletModel);
 997         dlg.exec();
 998     }
 999 }
1000
1001 void BitcoinGUI::backupWallet()
1002 {
1003     QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1004     QString filename = QFileDialog::getSaveFileName(this, tr("Backup Wallet"), saveDir, tr("Wallet Data (*.dat)"));
1005     if(!filename.isEmpty()) {
1006         if(!walletModel->backupWallet(filename)) {
1007             QMessageBox::warning(this, tr("Backup Failed"), tr("There was an error trying to save the wallet data to the new location."));
1008         }
1009     }
1010 }
1011
1012 void BitcoinGUI::dumpWallet()
1013 {
1014    if(!walletModel)
1015       return;
1016
1017    WalletModel::UnlockContext ctx(walletModel->requestUnlock());
1018    if(!ctx.isValid())
1019    {
1020        // Unlock wallet failed or was cancelled
1021        return;
1022    }
1023
1024 #if QT_VERSION < 0x050000
1025     QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1026 #else
1027     QString saveDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1028 #endif
1029     QString filename = QFileDialog::getSaveFileName(this, tr("Dump Wallet"), saveDir, tr("Wallet dump (*.txt)"));
1030     if(!filename.isEmpty()) {
1031         if(!walletModel->dumpWallet(filename)) {
1032             error(tr("Dump failed"),
1033                          tr("An error happened while trying to save the keys to your location.\n"
1034                             "Keys were not saved.")
1035                       ,CClientUIInterface::MSG_ERROR);
1036         }
1037         else
1038           message(tr("Dump successful"),
1039                        tr("Keys were saved to this file:\n%2")
1040                        .arg(filename)
1041                       ,CClientUIInterface::MSG_INFORMATION);
1042     }
1043 }
1044
1045 void BitcoinGUI::importWallet()
1046 {
1047    if(!walletModel)
1048       return;
1049
1050    WalletModel::UnlockContext ctx(walletModel->requestUnlock());
1051    if(!ctx.isValid())
1052    {
1053        // Unlock wallet failed or was cancelled
1054        return;
1055    }
1056
1057 #if QT_VERSION < 0x050000
1058     QString openDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1059 #else
1060     QString openDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1061 #endif
1062     QString filename = QFileDialog::getOpenFileName(this, tr("Import Wallet"), openDir, tr("Wallet dump (*.txt)"));
1063     if(!filename.isEmpty()) {
1064         if(!walletModel->importWallet(filename)) {
1065             error(tr("Import Failed"),
1066                          tr("An error happened while trying to import the keys.\n"
1067                             "Some or all keys from:\n %1,\n were not imported into your wallet.")
1068                          .arg(filename)
1069                       ,CClientUIInterface::MSG_ERROR);
1070         }
1071         else
1072           message(tr("Import Successful"),
1073                        tr("All keys from:\n %1,\n were imported into your wallet.")
1074                        .arg(filename)
1075                       ,CClientUIInterface::MSG_INFORMATION);
1076     }
1077 }
1078
1079
1080 void BitcoinGUI::changePassphrase()
1081 {
1082     AskPassphraseDialog dlg(AskPassphraseDialog::ChangePass, this);
1083     dlg.setModel(walletModel);
1084     dlg.exec();
1085 }
1086
1087 void BitcoinGUI::unlockWallet()
1088 {
1089     if(!walletModel)
1090         return;
1091     // Unlock wallet when requested by wallet model
1092     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
1093     {
1094         AskPassphraseDialog dlg(AskPassphraseDialog::Unlock, this);
1095         dlg.setModel(walletModel);
1096         dlg.exec();
1097     }
1098 }
1099
1100 void BitcoinGUI::lockWallet()
1101 {
1102     if(!walletModel)
1103         return;
1104
1105     walletModel->setWalletLocked(true);
1106 }
1107
1108 void BitcoinGUI::showNormalIfMinimized(bool fToggleHidden)
1109 {
1110     // activateWindow() (sometimes) helps with keyboard focus on Windows
1111     if (isHidden())
1112     {
1113         show();
1114         activateWindow();
1115     }
1116     else if (isMinimized())
1117     {
1118         showNormal();
1119         activateWindow();
1120     }
1121     else if (GUIUtil::isObscured(this))
1122     {
1123         raise();
1124         activateWindow();
1125     }
1126     else if(fToggleHidden)
1127         hide();
1128 }
1129
1130 void BitcoinGUI::toggleHidden()
1131 {
1132     showNormalIfMinimized(true);
1133 }