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->addAction(optionsAction);
 337
 338     QMenu *help = appMenuBar->addMenu(tr("&Help"));
 339     help->addAction(openRPCConsoleAction);
 340     help->addSeparator();
 341     help->addAction(aboutAction);
 342     help->addAction(aboutQtAction);
 343 }
 344
 345 void BitcoinGUI::createToolBars()
 346 {
 347     QToolBar *toolbar = addToolBar(tr("Tabs toolbar"));
 348     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 349     toolbar->addAction(overviewAction);
 350     toolbar->addAction(sendCoinsAction);
 351     toolbar->addAction(receiveCoinsAction);
 352     toolbar->addAction(historyAction);
 353     toolbar->addAction(addressBookAction);
 354
 355     QToolBar *toolbar2 = addToolBar(tr("Actions toolbar"));
 356     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 357     toolbar2->addAction(exportAction);
 358 }
 359
 360 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 361 {
 362     this->clientModel = clientModel;
 363     if(clientModel)
 364     {
 365         // Replace some strings and icons, when using the testnet
 366         if(clientModel->isTestNet())
 367         {
 368             setWindowTitle(windowTitle() + QString(" ") + tr("[testnet]"));
 369 #ifndef Q_OS_MAC
 370             qApp->setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 371             setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 372 #else
 373             MacDockIconHandler::instance()->setIcon(QIcon(":icons/bitcoin_testnet"));
 374 #endif
 375             if(trayIcon)
 376             {
 377                 trayIcon->setToolTip(tr("NovaCoin client") + QString(" ") + tr("[testnet]"));
 378                 trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 379                 toggleHideAction->setIcon(QIcon(":/icons/toolbar_testnet"));
 380             }
 381
 382             aboutAction->setIcon(QIcon(":/icons/toolbar_testnet"));
 383         }
 384
 385         // Keep up to date with client
 386         setNumConnections(clientModel->getNumConnections());
 387         connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 388
 389         setNumBlocks(clientModel->getNumBlocks(), clientModel->getNumBlocksOfPeers());
 390         connect(clientModel, SIGNAL(numBlocksChanged(int,int)), this, SLOT(setNumBlocks(int,int)));
 391         connect(clientModel, SIGNAL(numBlocksChanged(int,int)), this, SLOT(updateMining()));
 392
 393         // Report errors from network/worker thread
 394         connect(clientModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
 395
 396         rpcConsole->setClientModel(clientModel);
 397         addressBookPage->setOptionsModel(clientModel->getOptionsModel());
 398         receiveCoinsPage->setOptionsModel(clientModel->getOptionsModel());
 399     }
 400 }
 401
 402 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 403 {
 404     this->walletModel = walletModel;
 405     if(walletModel)
 406     {
 407         // Report errors from wallet thread
 408         connect(walletModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
 409
 410         // Put transaction list in tabs
 411         transactionView->setModel(walletModel);
 412
 413         overviewPage->setModel(walletModel);
 414         addressBookPage->setModel(walletModel->getAddressTableModel());
 415         receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 416         sendCoinsPage->setModel(walletModel);
 417         signVerifyMessageDialog->setModel(walletModel);
 418
 419         setEncryptionStatus(walletModel->getEncryptionStatus());
 420         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
 421         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(updateMining()));
 422
 423         // Balloon pop-up for new transaction
 424         connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 425                 this, SLOT(incomingTransaction(QModelIndex,int,int)));
 426
 427         // Ask for passphrase if needed
 428         connect(walletModel, SIGNAL(requireUnlock()), this, SLOT(unlockWallet()));
 429     }
 430 }
 431
 432 void BitcoinGUI::createTrayIcon()
 433 {
 434     QMenu *trayIconMenu;
 435 #ifndef Q_OS_MAC
 436     trayIcon = new QSystemTrayIcon(this);
 437     trayIconMenu = new QMenu(this);
 438     trayIcon->setContextMenu(trayIconMenu);
 439     trayIcon->setToolTip(tr("NovaCoin client"));
 440     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 441     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 442             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 443     trayIcon->show();
 444 #else
 445     // Note: On Mac, the dock icon is used to provide the tray's functionality.
 446     MacDockIconHandler *dockIconHandler = MacDockIconHandler::instance();
 447     trayIconMenu = dockIconHandler->dockMenu();
 448 #endif
 449
 450     // Configuration of the tray icon (or dock icon) icon menu
 451     trayIconMenu->addAction(toggleHideAction);
 452     trayIconMenu->addSeparator();
 453     trayIconMenu->addAction(sendCoinsAction);
 454     trayIconMenu->addAction(receiveCoinsAction);
 455     trayIconMenu->addSeparator();
 456     trayIconMenu->addAction(signMessageAction);
 457     trayIconMenu->addAction(verifyMessageAction);
 458     trayIconMenu->addSeparator();
 459     trayIconMenu->addAction(optionsAction);
 460     trayIconMenu->addAction(openRPCConsoleAction);
 461 #ifndef Q_OS_MAC // This is built-in on Mac
 462     trayIconMenu->addSeparator();
 463     trayIconMenu->addAction(quitAction);
 464 #endif
 465
 466     notificator = new Notificator(qApp->applicationName(), trayIcon);
 467 }
 468
 469 #ifndef Q_OS_MAC
 470 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 471 {
 472     if(reason == QSystemTrayIcon::Trigger)
 473     {
 474         // Click on system tray icon triggers show/hide of the main window
 475         toggleHideAction->trigger();
 476     }
 477 }
 478 #endif
 479
 480 void BitcoinGUI::optionsClicked()
 481 {
 482     if(!clientModel || !clientModel->getOptionsModel())
 483         return;
 484     OptionsDialog dlg;
 485     dlg.setModel(clientModel->getOptionsModel());
 486     dlg.exec();
 487 }
 488
 489 void BitcoinGUI::aboutClicked()
 490 {
 491     AboutDialog dlg;
 492     dlg.setModel(clientModel);
 493     dlg.exec();
 494 }
 495
 496 void BitcoinGUI::setNumConnections(int count)
 497 {
 498     QString icon;
 499     switch(count)
 500     {
 501     case 0: icon = ":/icons/connect_0"; break;
 502     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 503     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 504     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 505     default: icon = ":/icons/connect_4"; break;
 506     }
 507     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 508     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to NovaCoin network", "", count));
 509 }
 510
 511 void BitcoinGUI::setNumBlocks(int count, int nTotalBlocks)
 512 {
 513     // don't show / hide progress bar and its label if we have no connection to the network
 514     if (!clientModel || clientModel->getNumConnections() == 0)
 515     {
 516         progressBarLabel->setVisible(false);
 517         progressBar->setVisible(false);
 518
 519         return;
 520     }
 521
 522     QString strStatusBarWarnings = clientModel->getStatusBarWarnings();
 523     QString tooltip;
 524
 525     if(count < nTotalBlocks)
 526     {
 527         int nRemainingBlocks = nTotalBlocks - count;
 528         float nPercentageDone = count / (nTotalBlocks * 0.01f);
 529
 530         if (strStatusBarWarnings.isEmpty())
 531         {
 532             progressBarLabel->setText(tr("Synchronizing with network..."));
 533             progressBarLabel->setVisible(true);
 534             progressBar->setFormat(tr("~%n block(s) remaining", "", nRemainingBlocks));
 535             progressBar->setMaximum(nTotalBlocks);
 536             progressBar->setValue(count);
 537             progressBar->setVisible(true);
 538         }
 539
 540         tooltip = tr("Downloaded %1 of %2 blocks of transaction history (%3% done).").arg(count).arg(nTotalBlocks).arg(nPercentageDone, 0, 'f', 2);
 541     }
 542     else
 543     {
 544         if (strStatusBarWarnings.isEmpty())
 545             progressBarLabel->setVisible(false);
 546
 547         progressBar->setVisible(false);
 548         tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
 549     }
 550
 551     // Override progressBarLabel text and hide progress bar, when we have warnings to display
 552     if (!strStatusBarWarnings.isEmpty())
 553     {
 554         progressBarLabel->setText(strStatusBarWarnings);
 555         progressBarLabel->setVisible(true);
 556         progressBar->setVisible(false);
 557     }
 558
 559     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 560     int secs = lastBlockDate.secsTo(QDateTime::currentDateTime());
 561     QString text;
 562
 563     // Represent time from last generated block in human readable text
 564     if(secs <= 0)
 565     {
 566         // Fully up to date. Leave text empty.
 567     }
 568     else if(secs < 60)
 569     {
 570         text = tr("%n second(s) ago","",secs);
 571     }
 572     else if(secs < 60*60)
 573     {
 574         text = tr("%n minute(s) ago","",secs/60);
 575     }
 576     else if(secs < 24*60*60)
 577     {
 578         text = tr("%n hour(s) ago","",secs/(60*60));
 579     }
 580     else
 581     {
 582         text = tr("%n day(s) ago","",secs/(60*60*24));
 583     }
 584
 585     // Set icon state: spinning if catching up, tick otherwise
 586     if(secs < 90*60 && count >= nTotalBlocks)
 587     {
 588         tooltip = tr("Up to date") + QString(".<br>") + tooltip;
 589         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE, STATUSBAR_ICONSIZE));
 590
 591         overviewPage->showOutOfSyncWarning(false);
 592     }
 593     else
 594     {
 595         tooltip = tr("Catching up...") + QString("<br>") + tooltip;
 596         labelBlocksIcon->setMovie(syncIconMovie);
 597         syncIconMovie->start();
 598
 599         overviewPage->showOutOfSyncWarning(true);
 600     }
 601
 602     if(!text.isEmpty())
 603     {
 604         tooltip += QString("<br>");
 605         tooltip += tr("Last received block was generated %1.").arg(text);
 606     }
 607
 608     // Don't word-wrap this (fixed-width) tooltip
 609     tooltip = QString("<nobr>") + tooltip + QString("</nobr>");
 610
 611     labelBlocksIcon->setToolTip(tooltip);
 612     progressBarLabel->setToolTip(tooltip);
 613     progressBar->setToolTip(tooltip);
 614 }
 615
 616 void BitcoinGUI::updateMining()
 617 {
 618    if(!walletModel)
 619       return;
 620
 621     labelMiningIcon->setPixmap(QIcon(":/icons/mining_inactive").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 622
 623     if (!clientModel->getNumConnections())
 624     {
 625         labelMiningIcon->setToolTip(tr("Wallet is offline"));
 626         return;
 627     }
 628
 629     if (walletModel->getEncryptionStatus() == WalletModel::Locked)
 630     {
 631         labelMiningIcon->setToolTip(tr("Wallet is locked"));
 632         return;
 633     }
 634
 635     if (clientModel->inInitialBlockDownload() || clientModel->getNumBlocksOfPeers() > clientModel->getNumBlocks())
 636     {
 637         labelMiningIcon->setToolTip(tr("Blockchain download is in progress"));
 638         return;
 639     }
 640
 641     uint64 nMinWeight = 0, nMaxWeight = 0, nTotalWeight = 0;
 642     walletModel->getStakeWeight(nMinWeight, nMaxWeight, nTotalWeight);
 643
 644     if (nTotalWeight > 0)
 645     {
 646         labelMiningIcon->setPixmap(QIcon(":/icons/mining_active").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 647
 648         double dNetworkWeight = clientModel->getPoSKernelPS();
 649 /*
 650         double dDifficulty = clientModel->getDifficulty(true);
 651         QString msg;
 652
 653         int nApproxTime = 4294967297 * dDifficulty / nTotalWeight;
 654
 655         if (nApproxTime < 60)
 656             msg = tr("%n second(s)", "", nApproxTime);
 657         else if (nApproxTime < 60*60)
 658             msg = tr("%n minute(s)", "", nApproxTime / 60);
 659         else if (nApproxTime < 24*60*60)
 660             msg = tr("%n hour(s)", "", nApproxTime / 3600);
 661         else
 662             msg = tr("%n day(s)", "", nApproxTime / 86400);
 663
 664         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));
 665 */
 666
 667         labelMiningIcon->setToolTip(tr("Stake miner is active\nYour current stake weight is %1\nNetwork weight is %2").arg(nTotalWeight).arg(dNetworkWeight));
 668     }
 669     else
 670         labelMiningIcon->setToolTip(tr("No suitable inputs were found"));
 671 }
 672
 673 void BitcoinGUI::error(const QString &title, const QString &message, bool modal)
 674 {
 675     // Report errors from network/worker thread
 676     if(modal)
 677     {
 678         QMessageBox::critical(this, title, message, QMessageBox::Ok, QMessageBox::Ok);
 679     } else {
 680         notificator->notify(Notificator::Critical, title, message);
 681     }
 682 }
 683
 684 void BitcoinGUI::message(const QString &title, const QString &message, unsigned int style, const QString &detail)
 685 {
 686     QString strTitle = tr("NovaCoin") + " - ";
 687     // Default to information icon
 688     int nMBoxIcon = QMessageBox::Information;
 689     int nNotifyIcon = Notificator::Information;
 690
 691
 692     // Check for usage of predefined title
 693     switch (style) {
 694     case CClientUIInterface::MSG_ERROR:
 695         strTitle += tr("Error");
 696         break;
 697     case CClientUIInterface::MSG_WARNING:
 698         strTitle += tr("Warning");
 699         break;
 700     case CClientUIInterface::MSG_INFORMATION:
 701         strTitle += tr("Information");
 702         break;
 703     default:
 704         strTitle += title; // Use supplied title
 705     }
 706
 707     // Check for error/warning icon
 708     if (style & CClientUIInterface::ICON_ERROR) {
 709         nMBoxIcon = QMessageBox::Critical;
 710         nNotifyIcon = Notificator::Critical;
 711     }
 712     else if (style & CClientUIInterface::ICON_WARNING) {
 713         nMBoxIcon = QMessageBox::Warning;
 714         nNotifyIcon = Notificator::Warning;
 715     }
 716
 717     // Display message
 718     if (style & CClientUIInterface::MODAL) {
 719         // Check for buttons, use OK as default, if none was supplied
 720         QMessageBox::StandardButton buttons;
 721         buttons = QMessageBox::Ok;
 722
 723         QMessageBox mBox((QMessageBox::Icon)nMBoxIcon, strTitle, message, buttons);
 724
 725         if(!detail.isEmpty()) { mBox.setDetailedText(detail); }
 726
 727         mBox.exec();
 728     }
 729     else
 730         notificator->notify((Notificator::Class)nNotifyIcon, strTitle, message);
 731 }
 732
 733
 734 void BitcoinGUI::changeEvent(QEvent *e)
 735 {
 736     QMainWindow::changeEvent(e);
 737 #ifndef Q_OS_MAC // Ignored on Mac
 738     if(e->type() == QEvent::WindowStateChange)
 739     {
 740         if(clientModel && clientModel->getOptionsModel()->getMinimizeToTray())
 741         {
 742             QWindowStateChangeEvent *wsevt = static_cast<QWindowStateChangeEvent*>(e);
 743             if(!(wsevt->oldState() & Qt::WindowMinimized) && isMinimized())
 744             {
 745                 QTimer::singleShot(0, this, SLOT(hide()));
 746                 e->ignore();
 747             }
 748         }
 749     }
 750 #endif
 751 }
 752
 753 void BitcoinGUI::closeEvent(QCloseEvent *event)
 754 {
 755     if(clientModel)
 756     {
 757 #ifndef Q_OS_MAC // Ignored on Mac
 758         if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 759            !clientModel->getOptionsModel()->getMinimizeOnClose())
 760         {
 761             qApp->quit();
 762         }
 763 #endif
 764     }
 765     QMainWindow::closeEvent(event);
 766 }
 767
 768 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 769 {
 770     QString strMessage =
 771         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 772           "which goes to the nodes that process your transaction and helps to support the network.  "
 773           "Do you want to pay the fee?").arg(
 774                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 775     QMessageBox::StandardButton retval = QMessageBox::question(
 776           this, tr("Confirm transaction fee"), strMessage,
 777           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 778     *payFee = (retval == QMessageBox::Yes);
 779 }
 780
 781 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 782 {
 783     if(!walletModel || !clientModel)
 784         return;
 785     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 786     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 787                     .data(Qt::EditRole).toULongLong();
 788     if(!clientModel->inInitialBlockDownload())
 789     {
 790         // On new transaction, make an info balloon
 791         // Unless the initial block download is in progress, to prevent balloon-spam
 792         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 793                         .data().toString();
 794         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 795                         .data().toString();
 796         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 797                         .data().toString();
 798         QIcon icon = qvariant_cast<QIcon>(ttm->index(start,
 799                             TransactionTableModel::ToAddress, parent)
 800                         .data(Qt::DecorationRole));
 801
 802         notificator->notify(Notificator::Information,
 803                             (amount)<0 ? tr("Sent transaction") :
 804                                          tr("Incoming transaction"),
 805                               tr("Date: %1\n"
 806                                  "Amount: %2\n"
 807                                  "Type: %3\n"
 808                                  "Address: %4\n")
 809                               .arg(date)
 810                               .arg(BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true))
 811                               .arg(type)
 812                               .arg(address), icon);
 813     }
 814 }
 815
 816 void BitcoinGUI::gotoOverviewPage()
 817 {
 818     overviewAction->setChecked(true);
 819     centralWidget->setCurrentWidget(overviewPage);
 820
 821     exportAction->setEnabled(false);
 822     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 823 }
 824
 825 void BitcoinGUI::gotoHistoryPage()
 826 {
 827     historyAction->setChecked(true);
 828     centralWidget->setCurrentWidget(transactionsPage);
 829
 830     exportAction->setEnabled(true);
 831     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 832     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 833 }
 834
 835 void BitcoinGUI::gotoAddressBookPage()
 836 {
 837     addressBookAction->setChecked(true);
 838     centralWidget->setCurrentWidget(addressBookPage);
 839
 840     exportAction->setEnabled(true);
 841     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 842     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 843 }
 844
 845 void BitcoinGUI::gotoReceiveCoinsPage()
 846 {
 847     receiveCoinsAction->setChecked(true);
 848     centralWidget->setCurrentWidget(receiveCoinsPage);
 849
 850     exportAction->setEnabled(true);
 851     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 852     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 853 }
 854
 855 void BitcoinGUI::gotoSendCoinsPage()
 856 {
 857     sendCoinsAction->setChecked(true);
 858     centralWidget->setCurrentWidget(sendCoinsPage);
 859
 860     exportAction->setEnabled(false);
 861     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 862 }
 863
 864 void BitcoinGUI::gotoSignMessageTab(QString addr)
 865 {
 866     // call show() in showTab_SM()
 867     signVerifyMessageDialog->showTab_SM(true);
 868
 869     if(!addr.isEmpty())
 870         signVerifyMessageDialog->setAddress_SM(addr);
 871 }
 872
 873 void BitcoinGUI::gotoVerifyMessageTab(QString addr)
 874 {
 875     // call show() in showTab_VM()
 876     signVerifyMessageDialog->showTab_VM(true);
 877
 878     if(!addr.isEmpty())
 879         signVerifyMessageDialog->setAddress_VM(addr);
 880 }
 881
 882 void BitcoinGUI::dragEnterEvent(QDragEnterEvent *event)
 883 {
 884     // Accept only URIs
 885     if(event->mimeData()->hasUrls())
 886         event->acceptProposedAction();
 887 }
 888
 889 void BitcoinGUI::dropEvent(QDropEvent *event)
 890 {
 891     if(event->mimeData()->hasUrls())
 892     {
 893         int nValidUrisFound = 0;
 894         QList<QUrl> uris = event->mimeData()->urls();
 895         foreach(const QUrl &uri, uris)
 896         {
 897             if (sendCoinsPage->handleURI(uri.toString()))
 898                 nValidUrisFound++;
 899         }
 900
 901         // if valid URIs were found
 902         if (nValidUrisFound)
 903             gotoSendCoinsPage();
 904         else
 905             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."));
 906     }
 907
 908     event->acceptProposedAction();
 909 }
 910
 911 void BitcoinGUI::handleURI(QString strURI)
 912 {
 913     // URI has to be valid
 914     if (sendCoinsPage->handleURI(strURI))
 915     {
 916         showNormalIfMinimized();
 917         gotoSendCoinsPage();
 918     }
 919     else
 920         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."));
 921 }
 922
 923 void BitcoinGUI::setEncryptionStatus(int status)
 924 {
 925     switch(status)
 926     {
 927     case WalletModel::Unencrypted:
 928         labelEncryptionIcon->hide();
 929         encryptWalletAction->setChecked(false);
 930         changePassphraseAction->setEnabled(false);
 931         lockWalletAction->setEnabled(false);
 932         unlockWalletAction->setEnabled(false);
 933         unlockWalletMiningAction->setEnabled(false);
 934         encryptWalletAction->setEnabled(true);
 935         break;
 936     case WalletModel::Unlocked:
 937         labelEncryptionIcon->show();
 938         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 939         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>unlocked</b>"));
 940         encryptWalletAction->setChecked(true);
 941         changePassphraseAction->setEnabled(true);
 942         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
 943
 944         lockWalletAction->setEnabled(true);
 945         lockWalletAction->setChecked(false);
 946         unlockWalletAction->setEnabled(false);
 947         unlockWalletMiningAction->setEnabled(false);
 948
 949         if (fWalletUnlockMintOnly)
 950             unlockWalletMiningAction->setEnabled(true);
 951         else
 952             unlockWalletAction->setChecked(true);
 953
 954         break;
 955     case WalletModel::Locked:
 956         labelEncryptionIcon->show();
 957         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 958         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>locked</b>"));
 959         encryptWalletAction->setChecked(true);
 960         changePassphraseAction->setEnabled(true);
 961         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
 962
 963         lockWalletAction->setChecked(true);
 964         unlockWalletAction->setChecked(false);
 965         unlockWalletMiningAction->setChecked(false);
 966
 967         lockWalletAction->setEnabled(false);
 968         unlockWalletAction->setEnabled(true);
 969         unlockWalletMiningAction->setEnabled(true);
 970         break;
 971     }
 972 }
 973
 974 void BitcoinGUI::encryptWallet(bool status)
 975 {
 976     if(!walletModel)
 977         return;
 978     AskPassphraseDialog dlg(status ? AskPassphraseDialog::Encrypt:
 979                                      AskPassphraseDialog::Decrypt, this);
 980     dlg.setModel(walletModel);
 981     dlg.exec();
 982
 983     setEncryptionStatus(walletModel->getEncryptionStatus());
 984 }
 985
 986 void BitcoinGUI::unlockWalletMining(bool status)
 987 {
 988     if(!walletModel)
 989         return;
 990
 991     // Unlock wallet when requested by wallet model
 992     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
 993     {
 994         AskPassphraseDialog dlg(AskPassphraseDialog::UnlockMining, this);
 995         dlg.setModel(walletModel);
 996         dlg.exec();
 997     }
 998 }
 999
1000 void BitcoinGUI::backupWallet()
1001 {
1002     QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1003     QString filename = QFileDialog::getSaveFileName(this, tr("Backup Wallet"), saveDir, tr("Wallet Data (*.dat)"));
1004     if(!filename.isEmpty()) {
1005         if(!walletModel->backupWallet(filename)) {
1006             QMessageBox::warning(this, tr("Backup Failed"), tr("There was an error trying to save the wallet data to the new location."));
1007         }
1008     }
1009 }
1010
1011 void BitcoinGUI::dumpWallet()
1012 {
1013    if(!walletModel)
1014       return;
1015
1016    WalletModel::UnlockContext ctx(walletModel->requestUnlock());
1017    if(!ctx.isValid())
1018    {
1019        // Unlock wallet failed or was cancelled
1020        return;
1021    }
1022
1023 #if QT_VERSION < 0x050000
1024     QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1025 #else
1026     QString saveDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1027 #endif
1028     QString filename = QFileDialog::getSaveFileName(this, tr("Dump Wallet"), saveDir, tr("Wallet dump (*.txt)"));
1029     if(!filename.isEmpty()) {
1030         if(!walletModel->dumpWallet(filename)) {
1031             error(tr("Dump failed"),
1032                          tr("An error happened while trying to save the keys to your location.\n"
1033                             "Keys were not saved.")
1034                       ,CClientUIInterface::MSG_ERROR);
1035         }
1036         else
1037           message(tr("Dump successful"),
1038                        tr("Keys were saved to this file:\n%2")
1039                        .arg(filename)
1040                       ,CClientUIInterface::MSG_INFORMATION);
1041     }
1042 }
1043
1044 void BitcoinGUI::importWallet()
1045 {
1046    if(!walletModel)
1047       return;
1048
1049    WalletModel::UnlockContext ctx(walletModel->requestUnlock());
1050    if(!ctx.isValid())
1051    {
1052        // Unlock wallet failed or was cancelled
1053        return;
1054    }
1055
1056 #if QT_VERSION < 0x050000
1057     QString openDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1058 #else
1059     QString openDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1060 #endif
1061     QString filename = QFileDialog::getOpenFileName(this, tr("Import Wallet"), openDir, tr("Wallet dump (*.txt)"));
1062     if(!filename.isEmpty()) {
1063         if(!walletModel->importWallet(filename)) {
1064             error(tr("Import Failed"),
1065                          tr("An error happened while trying to import the keys.\n"
1066                             "Some or all keys from:\n %1,\n were not imported into your wallet.")
1067                          .arg(filename)
1068                       ,CClientUIInterface::MSG_ERROR);
1069         }
1070         else
1071           message(tr("Import Successful"),
1072                        tr("All keys from:\n %1,\n were imported into your wallet.")
1073                        .arg(filename)
1074                       ,CClientUIInterface::MSG_INFORMATION);
1075     }
1076 }
1077
1078
1079 void BitcoinGUI::changePassphrase()
1080 {
1081     AskPassphraseDialog dlg(AskPassphraseDialog::ChangePass, this);
1082     dlg.setModel(walletModel);
1083     dlg.exec();
1084 }
1085
1086 void BitcoinGUI::unlockWallet()
1087 {
1088     if(!walletModel)
1089         return;
1090     // Unlock wallet when requested by wallet model
1091     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
1092     {
1093         AskPassphraseDialog dlg(AskPassphraseDialog::Unlock, this);
1094         dlg.setModel(walletModel);
1095         dlg.exec();
1096     }
1097 }
1098
1099 void BitcoinGUI::lockWallet()
1100 {
1101     if(!walletModel)
1102         return;
1103
1104     walletModel->setWalletLocked(true);
1105 }
1106
1107 void BitcoinGUI::showNormalIfMinimized(bool fToggleHidden)
1108 {
1109     // activateWindow() (sometimes) helps with keyboard focus on Windows
1110     if (isHidden())
1111     {
1112         show();
1113         activateWindow();
1114     }
1115     else if (isMinimized())
1116     {
1117         showNormal();
1118         activateWindow();
1119     }
1120     else if (GUIUtil::isObscured(this))
1121     {
1122         raise();
1123         activateWindow();
1124     }
1125     else if(fToggleHidden)
1126         hide();
1127 }
1128
1129 void BitcoinGUI::toggleHidden()
1130 {
1131     showNormalIfMinimized(true);
1132 }