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 #if QT_VERSION < 0x050000
  36 #include <QMainWindow>
  37 #endif
  38 #include <QMenuBar>
  39 #include <QMenu>
  40 #include <QIcon>
  41 #include <QTabWidget>
  42 #include <QVBoxLayout>
  43 #include <QToolBar>
  44 #include <QStatusBar>
  45 #include <QLabel>
  46 #include <QLineEdit>
  47 #include <QPushButton>
  48 #include <QLocale>
  49 #include <QMessageBox>
  50 #include <QProgressBar>
  51 #include <QStackedWidget>
  52 #include <QDateTime>
  53 #include <QMovie>
  54 #include <QFileDialog>
  55 #if QT_VERSION < 0x050000
  56 #include <QDesktopServices>
  57 #else
  58 #include <QStandardPaths>
  59 #endif
  60 #include <QTimer>
  61 #include <QDragEnterEvent>
  62 #if QT_VERSION < 0x050000
  63 #include <QUrl>
  64 #endif
  65 #include <QStyle>
  66 #include <QMimeData>
  67
  68 #include <iostream>
  69
  70 extern bool fWalletUnlockMintOnly;
  71
  72 BitcoinGUI::BitcoinGUI(QWidget *parent):
  73     QMainWindow(parent),
  74     clientModel(0),
  75     walletModel(0),
  76     encryptWalletAction(0),
  77     lockWalletAction(0),
  78     unlockWalletAction(0),
  79     unlockWalletMiningAction(0),
  80     changePassphraseAction(0),
  81     aboutQtAction(0),
  82     trayIcon(0),
  83     notificator(0),
  84     rpcConsole(0)
  85 {
  86     resize(850, 550);
  87     setWindowTitle(tr("NovaCoin") + " - " + tr("Wallet"));
  88 #ifndef Q_OS_MAC
  89     qApp->setWindowIcon(QIcon(":icons/bitcoin"));
  90     setWindowIcon(QIcon(":icons/bitcoin"));
  91 #else
  92     setUnifiedTitleAndToolBarOnMac(true);
  93     QApplication::setAttribute(Qt::AA_DontShowIconsInMenus);
  94 #endif
  95     // Accept D&D of URIs
  96     setAcceptDrops(true);
  97
  98     // Create actions for the toolbar, menu bar and tray/dock icon
  99     createActions();
 100
 101     // Create application menu bar
 102     createMenuBar();
 103
 104     // Create the toolbars
 105     createToolBars();
 106
 107     // Create the tray icon (or setup the dock icon)
 108     createTrayIcon();
 109
 110     // Create tabs
 111     overviewPage = new OverviewPage();
 112
 113     transactionsPage = new QWidget(this);
 114     QVBoxLayout *vbox = new QVBoxLayout();
 115     transactionView = new TransactionView(this);
 116     vbox->addWidget(transactionView);
 117     transactionsPage->setLayout(vbox);
 118
 119     addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
 120
 121     receiveCoinsPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab);
 122
 123     sendCoinsPage = new SendCoinsDialog(this);
 124
 125     signVerifyMessageDialog = new SignVerifyMessageDialog(this);
 126
 127     centralWidget = new QStackedWidget(this);
 128     centralWidget->addWidget(overviewPage);
 129     centralWidget->addWidget(transactionsPage);
 130     centralWidget->addWidget(addressBookPage);
 131     centralWidget->addWidget(receiveCoinsPage);
 132     centralWidget->addWidget(sendCoinsPage);
 133     setCentralWidget(centralWidget);
 134
 135     // Create status bar
 136     statusBar();
 137
 138     // Status bar notification icons
 139     QFrame *frameBlocks = new QFrame();
 140     frameBlocks->setContentsMargins(0,0,0,0);
 141     frameBlocks->setMinimumWidth(72);
 142     frameBlocks->setMaximumWidth(72);
 143     QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
 144     frameBlocksLayout->setContentsMargins(3,0,3,0);
 145     frameBlocksLayout->setSpacing(3);
 146     labelEncryptionIcon = new QLabel();
 147     labelMiningIcon = new QLabel();
 148     labelConnectionsIcon = new QLabel();
 149     labelBlocksIcon = new QLabel();
 150     frameBlocksLayout->addStretch();
 151     frameBlocksLayout->addWidget(labelEncryptionIcon);
 152     frameBlocksLayout->addStretch();
 153     frameBlocksLayout->addWidget(labelMiningIcon);
 154     frameBlocksLayout->addStretch();
 155     frameBlocksLayout->addWidget(labelConnectionsIcon);
 156     frameBlocksLayout->addStretch();
 157     frameBlocksLayout->addWidget(labelBlocksIcon);
 158     frameBlocksLayout->addStretch();
 159
 160     // Progress bar and label for blocks download
 161     progressBarLabel = new QLabel();
 162     progressBarLabel->setVisible(false);
 163     progressBar = new QProgressBar();
 164     progressBar->setAlignment(Qt::AlignCenter);
 165     progressBar->setVisible(false);
 166
 167     // Override style sheet for progress bar for styles that have a segmented progress bar,
 168     // as they make the text unreadable (workaround for issue #1071)
 169     // See https://qt-project.org/doc/qt-4.8/gallery.html
 170     QString curStyle = qApp->style()->metaObject()->className();
 171     if(curStyle == "QWindowsStyle" || curStyle == "QWindowsXPStyle")
 172     {
 173         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; }");
 174     }
 175
 176     statusBar()->addWidget(progressBarLabel);
 177     statusBar()->addWidget(progressBar);
 178     statusBar()->addPermanentWidget(frameBlocks);
 179
 180     syncIconMovie = new QMovie(":/movies/update_spinner", "mng", this);
 181
 182     // Clicking on a transaction on the overview page simply sends you to transaction history page
 183     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), this, SLOT(gotoHistoryPage()));
 184     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), transactionView, SLOT(focusTransaction(QModelIndex)));
 185
 186     // Double-clicking on a transaction on the transaction history page shows details
 187     connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
 188
 189     rpcConsole = new RPCConsole(this);
 190     connect(openRPCConsoleAction, SIGNAL(triggered()), rpcConsole, SLOT(show()));
 191
 192     // Clicking on "Verify Message" in the address book sends you to the verify message tab
 193     connect(addressBookPage, SIGNAL(verifyMessage(QString)), this, SLOT(gotoVerifyMessageTab(QString)));
 194     // Clicking on "Sign Message" in the receive coins page sends you to the sign message tab
 195     connect(receiveCoinsPage, SIGNAL(signMessage(QString)), this, SLOT(gotoSignMessageTab(QString)));
 196
 197     gotoOverviewPage();
 198 }
 199
 200 BitcoinGUI::~BitcoinGUI()
 201 {
 202     if(trayIcon) // Hide tray icon, as deleting will let it linger until quit (on Ubuntu)
 203         trayIcon->hide();
 204 #ifdef Q_OS_MAC
 205     delete appMenuBar;
 206 #endif
 207 }
 208
 209 void BitcoinGUI::createActions()
 210 {
 211     QActionGroup *tabGroup = new QActionGroup(this);
 212
 213     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 214     overviewAction->setToolTip(tr("Show general overview of wallet"));
 215     overviewAction->setCheckable(true);
 216     overviewAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_1));
 217     tabGroup->addAction(overviewAction);
 218
 219     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 220     sendCoinsAction->setToolTip(tr("Send coins to a NovaCoin address"));
 221     sendCoinsAction->setCheckable(true);
 222     sendCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_2));
 223     tabGroup->addAction(sendCoinsAction);
 224
 225     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 226     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 227     receiveCoinsAction->setCheckable(true);
 228     receiveCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_3));
 229     tabGroup->addAction(receiveCoinsAction);
 230
 231     historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
 232     historyAction->setToolTip(tr("Browse transaction history"));
 233     historyAction->setCheckable(true);
 234     historyAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_4));
 235     tabGroup->addAction(historyAction);
 236
 237     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 238     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 239     addressBookAction->setCheckable(true);
 240     addressBookAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_5));
 241     tabGroup->addAction(addressBookAction);
 242
 243     connect(overviewAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 244     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 245     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 246     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 247     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 248     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 249     connect(historyAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 250     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 251     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 252     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 253
 254     quitAction = new QAction(QIcon(":/icons/quit"), tr("E&xit"), this);
 255     quitAction->setToolTip(tr("Quit application"));
 256     quitAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 257     quitAction->setMenuRole(QAction::QuitRole);
 258     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About NovaCoin"), this);
 259     aboutAction->setToolTip(tr("Show information about NovaCoin"));
 260     aboutAction->setMenuRole(QAction::AboutRole);
 261 #if QT_VERSION < 0x050000
 262     aboutQtAction = new QAction(QIcon(":/trolltech/qmessagebox/images/qtlogo-64.png"), tr("About &Qt"), this);
 263 #else
 264     aboutQtAction = new QAction(QIcon(":/qt-project.org/qmessagebox/images/qtlogo-64.png"), tr("About &Qt"), this);
 265 #endif
 266     aboutQtAction->setToolTip(tr("Show information about Qt"));
 267     aboutQtAction->setMenuRole(QAction::AboutQtRole);
 268     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 269     optionsAction->setToolTip(tr("Modify configuration options for NovaCoin"));
 270     optionsAction->setMenuRole(QAction::PreferencesRole);
 271     toggleHideAction = new QAction(QIcon(":/icons/bitcoin"), tr("&Show / Hide"), this);
 272     encryptWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Encrypt Wallet..."), this);
 273     encryptWalletAction->setToolTip(tr("Encrypt or decrypt wallet"));
 274     encryptWalletAction->setCheckable(true);
 275     backupWalletAction = new QAction(QIcon(":/icons/filesave"), tr("&Backup Wallet..."), this);
 276     backupWalletAction->setToolTip(tr("Backup wallet to another location"));
 277     dumpWalletAction = new QAction(QIcon(":/icons/dump"), tr("&Dump Wallet..."), this);
 278     dumpWalletAction->setStatusTip(tr("Dump keys to a text file"));
 279     importWalletAction = new QAction(QIcon(":/icons/import"), tr("&Import Wallet..."), this);
 280     importWalletAction->setStatusTip(tr("Import keys into a wallet"));
 281     changePassphraseAction = new QAction(QIcon(":/icons/key"), tr("&Change Passphrase..."), this);
 282     changePassphraseAction->setToolTip(tr("Change the passphrase used for wallet encryption"));
 283     signMessageAction = new QAction(QIcon(":/icons/edit"), tr("Sign &message..."), this);
 284     verifyMessageAction = new QAction(QIcon(":/icons/transaction_0"), tr("&Verify message..."), this);
 285
 286     lockWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Lock wallet"), this);
 287     lockWalletAction->setToolTip(tr("Lock wallet"));
 288     lockWalletAction->setCheckable(true);
 289
 290     unlockWalletAction = new QAction(QIcon(":/icons/lock_open"), tr("Unlo&ck wallet"), this);
 291     unlockWalletAction->setToolTip(tr("Unlock wallet"));
 292     unlockWalletAction->setCheckable(true);
 293
 294     unlockWalletMiningAction = new QAction(QIcon(":/icons/mining_active"), tr("Unlo&ck wallet for mining"), this);
 295     unlockWalletMiningAction->setToolTip(tr("Unlock wallet for mining"));
 296     unlockWalletMiningAction->setCheckable(true);
 297
 298     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
 299     exportAction->setToolTip(tr("Export the data in the current tab to a file"));
 300     openRPCConsoleAction = new QAction(QIcon(":/icons/debugwindow"), tr("&Debug window"), this);
 301     openRPCConsoleAction->setToolTip(tr("Open debugging and diagnostic console"));
 302
 303     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
 304     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 305     connect(aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
 306     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 307     connect(toggleHideAction, SIGNAL(triggered()), this, SLOT(toggleHidden()));
 308     connect(encryptWalletAction, SIGNAL(triggered(bool)), this, SLOT(encryptWallet(bool)));
 309     connect(lockWalletAction, SIGNAL(triggered(bool)), this, SLOT(lockWallet()));
 310     connect(unlockWalletAction, SIGNAL(triggered(bool)), this, SLOT(unlockWallet()));
 311     connect(unlockWalletMiningAction, SIGNAL(triggered(bool)), this, SLOT(unlockWalletMining(bool)));
 312     connect(backupWalletAction, SIGNAL(triggered()), this, SLOT(backupWallet()));
 313     connect(dumpWalletAction, SIGNAL(triggered()), this, SLOT(dumpWallet()));
 314     connect(importWalletAction, SIGNAL(triggered()), this, SLOT(importWallet()));
 315     connect(changePassphraseAction, SIGNAL(triggered()), this, SLOT(changePassphrase()));
 316     connect(signMessageAction, SIGNAL(triggered()), this, SLOT(gotoSignMessageTab()));
 317     connect(verifyMessageAction, SIGNAL(triggered()), this, SLOT(gotoVerifyMessageTab()));
 318 }
 319
 320 void BitcoinGUI::createMenuBar()
 321 {
 322 #ifdef Q_OS_MAC
 323     // Create a decoupled menu bar on Mac which stays even if the window is closed
 324     appMenuBar = new QMenuBar();
 325 #else
 326     // Get the main window's menu bar on other platforms
 327     appMenuBar = menuBar();
 328 #endif
 329
 330     // Configure the menus
 331     QMenu *file = appMenuBar->addMenu(tr("&File"));
 332     file->addAction(backupWalletAction);
 333     file->addSeparator();
 334     file->addAction(dumpWalletAction);
 335     file->addAction(importWalletAction);
 336     file->addAction(exportAction);
 337     file->addAction(signMessageAction);
 338     file->addAction(verifyMessageAction);
 339     file->addSeparator();
 340     file->addAction(quitAction);
 341
 342     QMenu *settings = appMenuBar->addMenu(tr("&Settings"));
 343     QMenu *securityMenu = settings->addMenu(QIcon(":/icons/key"), tr("&Wallet security"));
 344     securityMenu->addAction(encryptWalletAction);
 345     securityMenu->addAction(changePassphraseAction);
 346     securityMenu->addAction(unlockWalletAction);
 347     securityMenu->addAction(unlockWalletMiningAction);
 348     securityMenu->addAction(lockWalletAction);
 349     settings->addAction(optionsAction);
 350
 351     QMenu *help = appMenuBar->addMenu(tr("&Help"));
 352     help->addAction(openRPCConsoleAction);
 353     help->addSeparator();
 354     help->addAction(aboutAction);
 355     help->addAction(aboutQtAction);
 356 }
 357
 358 void BitcoinGUI::createToolBars()
 359 {
 360     QToolBar *toolbar = addToolBar(tr("Tabs toolbar"));
 361     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 362     toolbar->addAction(overviewAction);
 363     toolbar->addAction(sendCoinsAction);
 364     toolbar->addAction(receiveCoinsAction);
 365     toolbar->addAction(historyAction);
 366     toolbar->addAction(addressBookAction);
 367
 368     QToolBar *toolbar2 = addToolBar(tr("Actions toolbar"));
 369     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 370     toolbar2->addAction(exportAction);
 371 }
 372
 373 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 374 {
 375     this->clientModel = clientModel;
 376     if(clientModel)
 377     {
 378         // Replace some strings and icons, when using the testnet
 379         if(clientModel->isTestNet())
 380         {
 381             setWindowTitle(windowTitle() + QString(" ") + tr("[testnet]"));
 382 #ifndef Q_OS_MAC
 383             qApp->setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 384             setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 385 #else
 386             MacDockIconHandler::instance()->setIcon(QIcon(":icons/bitcoin_testnet"));
 387 #endif
 388             if(trayIcon)
 389             {
 390                 trayIcon->setToolTip(tr("NovaCoin client") + QString(" ") + tr("[testnet]"));
 391                 trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 392                 toggleHideAction->setIcon(QIcon(":/icons/toolbar_testnet"));
 393             }
 394
 395             aboutAction->setIcon(QIcon(":/icons/toolbar_testnet"));
 396         }
 397
 398         // Keep up to date with client
 399         setNumConnections(clientModel->getNumConnections());
 400         connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 401
 402         setNumBlocks(clientModel->getNumBlocks(), clientModel->getNumBlocksOfPeers());
 403         connect(clientModel, SIGNAL(numBlocksChanged(int,int)), this, SLOT(setNumBlocks(int,int)));
 404         connect(clientModel, SIGNAL(numBlocksChanged(int,int)), this, SLOT(updateMining()));
 405
 406         // Report errors from network/worker thread
 407         connect(clientModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
 408
 409         rpcConsole->setClientModel(clientModel);
 410         addressBookPage->setOptionsModel(clientModel->getOptionsModel());
 411         receiveCoinsPage->setOptionsModel(clientModel->getOptionsModel());
 412     }
 413 }
 414
 415 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 416 {
 417     this->walletModel = walletModel;
 418     if(walletModel)
 419     {
 420         // Report errors from wallet thread
 421         connect(walletModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
 422
 423         // Put transaction list in tabs
 424         transactionView->setModel(walletModel);
 425
 426         overviewPage->setModel(walletModel);
 427         addressBookPage->setModel(walletModel->getAddressTableModel());
 428         receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 429         sendCoinsPage->setModel(walletModel);
 430         signVerifyMessageDialog->setModel(walletModel);
 431
 432         setEncryptionStatus(walletModel->getEncryptionStatus());
 433         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
 434         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(updateMining()));
 435
 436         // Balloon pop-up for new transaction
 437         connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 438                 this, SLOT(incomingTransaction(QModelIndex,int,int)));
 439
 440         // Ask for passphrase if needed
 441         connect(walletModel, SIGNAL(requireUnlock()), this, SLOT(unlockWallet()));
 442     }
 443 }
 444
 445 void BitcoinGUI::createTrayIcon()
 446 {
 447     QMenu *trayIconMenu;
 448 #ifndef Q_OS_MAC
 449     trayIcon = new QSystemTrayIcon(this);
 450     trayIconMenu = new QMenu(this);
 451     trayIcon->setContextMenu(trayIconMenu);
 452     trayIcon->setToolTip(tr("NovaCoin client"));
 453     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 454     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 455             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 456     trayIcon->show();
 457 #else
 458     // Note: On Mac, the dock icon is used to provide the tray's functionality.
 459     MacDockIconHandler *dockIconHandler = MacDockIconHandler::instance();
 460     trayIconMenu = dockIconHandler->dockMenu();
 461 #endif
 462
 463     // Configuration of the tray icon (or dock icon) icon menu
 464     trayIconMenu->addAction(toggleHideAction);
 465     trayIconMenu->addSeparator();
 466     trayIconMenu->addAction(sendCoinsAction);
 467     trayIconMenu->addAction(receiveCoinsAction);
 468     trayIconMenu->addSeparator();
 469     trayIconMenu->addAction(signMessageAction);
 470     trayIconMenu->addAction(verifyMessageAction);
 471     trayIconMenu->addSeparator();
 472     trayIconMenu->addAction(optionsAction);
 473     trayIconMenu->addAction(openRPCConsoleAction);
 474 #ifndef Q_OS_MAC // This is built-in on Mac
 475     trayIconMenu->addSeparator();
 476     trayIconMenu->addAction(quitAction);
 477 #endif
 478
 479     notificator = new Notificator(qApp->applicationName(), trayIcon);
 480 }
 481
 482 #ifndef Q_OS_MAC
 483 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 484 {
 485     if(reason == QSystemTrayIcon::Trigger)
 486     {
 487         // Click on system tray icon triggers show/hide of the main window
 488         toggleHideAction->trigger();
 489     }
 490 }
 491 #endif
 492
 493 void BitcoinGUI::optionsClicked()
 494 {
 495     if(!clientModel || !clientModel->getOptionsModel())
 496         return;
 497     OptionsDialog dlg;
 498     dlg.setModel(clientModel->getOptionsModel());
 499     dlg.exec();
 500 }
 501
 502 void BitcoinGUI::aboutClicked()
 503 {
 504     AboutDialog dlg;
 505     dlg.setModel(clientModel);
 506     dlg.exec();
 507 }
 508
 509 void BitcoinGUI::setNumConnections(int count)
 510 {
 511     QString icon;
 512     switch(count)
 513     {
 514     case 0: icon = ":/icons/connect_0"; break;
 515     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 516     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 517     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 518     default: icon = ":/icons/connect_4"; break;
 519     }
 520     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 521     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to NovaCoin network", "", count));
 522 }
 523
 524 void BitcoinGUI::setNumBlocks(int count, int nTotalBlocks)
 525 {
 526     // don't show / hide progress bar and its label if we have no connection to the network
 527     if (!clientModel || clientModel->getNumConnections() == 0)
 528     {
 529         progressBarLabel->setVisible(false);
 530         progressBar->setVisible(false);
 531
 532         return;
 533     }
 534
 535     QString strStatusBarWarnings = clientModel->getStatusBarWarnings();
 536     QString tooltip;
 537
 538     if(count < nTotalBlocks)
 539     {
 540         int nRemainingBlocks = nTotalBlocks - count;
 541         float nPercentageDone = count / (nTotalBlocks * 0.01f);
 542
 543         if (strStatusBarWarnings.isEmpty())
 544         {
 545             progressBarLabel->setText(tr("Synchronizing with network..."));
 546             progressBarLabel->setVisible(true);
 547             progressBar->setFormat(tr("~%n block(s) remaining", "", nRemainingBlocks));
 548             progressBar->setMaximum(nTotalBlocks);
 549             progressBar->setValue(count);
 550             progressBar->setVisible(true);
 551         }
 552
 553         tooltip = tr("Downloaded %1 of %2 blocks of transaction history (%3% done).").arg(count).arg(nTotalBlocks).arg(nPercentageDone, 0, 'f', 2);
 554     }
 555     else
 556     {
 557         if (strStatusBarWarnings.isEmpty())
 558             progressBarLabel->setVisible(false);
 559
 560         progressBar->setVisible(false);
 561         tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
 562     }
 563
 564     // Override progressBarLabel text and hide progress bar, when we have warnings to display
 565     if (!strStatusBarWarnings.isEmpty())
 566     {
 567         progressBarLabel->setText(strStatusBarWarnings);
 568         progressBarLabel->setVisible(true);
 569         progressBar->setVisible(false);
 570     }
 571
 572     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 573     int secs = lastBlockDate.secsTo(QDateTime::currentDateTime());
 574     QString text;
 575
 576     // Represent time from last generated block in human readable text
 577     if(secs <= 0)
 578     {
 579         // Fully up to date. Leave text empty.
 580     }
 581     else if(secs < 60)
 582     {
 583         text = tr("%n second(s) ago","",secs);
 584     }
 585     else if(secs < 60*60)
 586     {
 587         text = tr("%n minute(s) ago","",secs/60);
 588     }
 589     else if(secs < 24*60*60)
 590     {
 591         text = tr("%n hour(s) ago","",secs/(60*60));
 592     }
 593     else
 594     {
 595         text = tr("%n day(s) ago","",secs/(60*60*24));
 596     }
 597
 598     // Set icon state: spinning if catching up, tick otherwise
 599     if(secs < 90*60 && count >= nTotalBlocks)
 600     {
 601         tooltip = tr("Up to date") + QString(".<br>") + tooltip;
 602         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE, STATUSBAR_ICONSIZE));
 603
 604         overviewPage->showOutOfSyncWarning(false);
 605     }
 606     else
 607     {
 608         tooltip = tr("Catching up...") + QString("<br>") + tooltip;
 609         labelBlocksIcon->setMovie(syncIconMovie);
 610         syncIconMovie->start();
 611
 612         overviewPage->showOutOfSyncWarning(true);
 613     }
 614
 615     if(!text.isEmpty())
 616     {
 617         tooltip += QString("<br>");
 618         tooltip += tr("Last received block was generated %1.").arg(text);
 619     }
 620
 621     // Don't word-wrap this (fixed-width) tooltip
 622     tooltip = QString("<nobr>") + tooltip + QString("</nobr>");
 623
 624     labelBlocksIcon->setToolTip(tooltip);
 625     progressBarLabel->setToolTip(tooltip);
 626     progressBar->setToolTip(tooltip);
 627 }
 628
 629 void BitcoinGUI::updateMining()
 630 {
 631    if(!walletModel)
 632       return;
 633
 634     labelMiningIcon->setPixmap(QIcon(":/icons/mining_inactive").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 635
 636     if (!clientModel->getNumConnections())
 637     {
 638         labelMiningIcon->setToolTip(tr("Wallet is offline"));
 639         return;
 640     }
 641
 642     if (walletModel->getEncryptionStatus() == WalletModel::Locked)
 643     {
 644         labelMiningIcon->setToolTip(tr("Wallet is locked"));
 645         return;
 646     }
 647
 648     if (clientModel->inInitialBlockDownload() || clientModel->getNumBlocksOfPeers() > clientModel->getNumBlocks())
 649     {
 650         labelMiningIcon->setToolTip(tr("Blockchain download is in progress"));
 651         return;
 652     }
 653
 654     uint64 nMinWeight = 0, nMaxWeight = 0, nTotalWeight = 0;
 655     walletModel->getStakeWeight(nMinWeight, nMaxWeight, nTotalWeight);
 656
 657     if (nTotalWeight > 0)
 658     {
 659         labelMiningIcon->setPixmap(QIcon(":/icons/mining_active").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 660
 661         uint64 nNetworkWeight = clientModel->getPoSKernelPS();
 662 /*
 663         double dDifficulty = clientModel->getDifficulty(true);
 664         QString msg;
 665
 666         int nApproxTime = 4294967297 * dDifficulty / nTotalWeight;
 667
 668         if (nApproxTime < 60)
 669             msg = tr("%n second(s)", "", nApproxTime);
 670         else if (nApproxTime < 60*60)
 671             msg = tr("%n minute(s)", "", nApproxTime / 60);
 672         else if (nApproxTime < 24*60*60)
 673             msg = tr("%n hour(s)", "", nApproxTime / 3600);
 674         else
 675             msg = tr("%n day(s)", "", nApproxTime / 86400);
 676
 677         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));
 678 */
 679
 680         labelMiningIcon->setToolTip(tr("Stake miner is active\nYour current stake weight is %1\nNetwork weight is %2").arg(nTotalWeight).arg(nNetworkWeight));
 681     }
 682     else
 683         labelMiningIcon->setToolTip(tr("No suitable inputs were found"));
 684 }
 685
 686 void BitcoinGUI::error(const QString &title, const QString &message, bool modal)
 687 {
 688     // Report errors from network/worker thread
 689     if(modal)
 690     {
 691         QMessageBox::critical(this, title, message, QMessageBox::Ok, QMessageBox::Ok);
 692     } else {
 693         notificator->notify(Notificator::Critical, title, message);
 694     }
 695 }
 696
 697 void BitcoinGUI::message(const QString &title, const QString &message, unsigned int style, const QString &detail)
 698 {
 699     QString strTitle = tr("NovaCoin") + " - ";
 700     // Default to information icon
 701     int nMBoxIcon = QMessageBox::Information;
 702     int nNotifyIcon = Notificator::Information;
 703
 704
 705     // Check for usage of predefined title
 706     switch (style) {
 707     case CClientUIInterface::MSG_ERROR:
 708         strTitle += tr("Error");
 709         break;
 710     case CClientUIInterface::MSG_WARNING:
 711         strTitle += tr("Warning");
 712         break;
 713     case CClientUIInterface::MSG_INFORMATION:
 714         strTitle += tr("Information");
 715         break;
 716     default:
 717         strTitle += title; // Use supplied title
 718     }
 719
 720     // Check for error/warning icon
 721     if (style & CClientUIInterface::ICON_ERROR) {
 722         nMBoxIcon = QMessageBox::Critical;
 723         nNotifyIcon = Notificator::Critical;
 724     }
 725     else if (style & CClientUIInterface::ICON_WARNING) {
 726         nMBoxIcon = QMessageBox::Warning;
 727         nNotifyIcon = Notificator::Warning;
 728     }
 729
 730     // Display message
 731     if (style & CClientUIInterface::MODAL) {
 732         // Check for buttons, use OK as default, if none was supplied
 733         QMessageBox::StandardButton buttons;
 734         buttons = QMessageBox::Ok;
 735
 736         QMessageBox mBox((QMessageBox::Icon)nMBoxIcon, strTitle, message, buttons);
 737
 738         if(!detail.isEmpty()) { mBox.setDetailedText(detail); }
 739
 740         mBox.exec();
 741     }
 742     else
 743         notificator->notify((Notificator::Class)nNotifyIcon, strTitle, message);
 744 }
 745
 746
 747 void BitcoinGUI::changeEvent(QEvent *e)
 748 {
 749     QMainWindow::changeEvent(e);
 750 #ifndef Q_OS_MAC // Ignored on Mac
 751     if(e->type() == QEvent::WindowStateChange)
 752     {
 753         if(clientModel && clientModel->getOptionsModel()->getMinimizeToTray())
 754         {
 755             QWindowStateChangeEvent *wsevt = static_cast<QWindowStateChangeEvent*>(e);
 756             if(!(wsevt->oldState() & Qt::WindowMinimized) && isMinimized())
 757             {
 758                 QTimer::singleShot(0, this, SLOT(hide()));
 759                 e->ignore();
 760             }
 761         }
 762     }
 763 #endif
 764 }
 765
 766 void BitcoinGUI::closeEvent(QCloseEvent *event)
 767 {
 768     if(clientModel)
 769     {
 770 #ifndef Q_OS_MAC // Ignored on Mac
 771         if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 772            !clientModel->getOptionsModel()->getMinimizeOnClose())
 773         {
 774             qApp->quit();
 775         }
 776 #endif
 777     }
 778     QMainWindow::closeEvent(event);
 779 }
 780
 781 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 782 {
 783     QString strMessage =
 784         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 785           "which goes to the nodes that process your transaction and helps to support the network.  "
 786           "Do you want to pay the fee?").arg(
 787                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 788     QMessageBox::StandardButton retval = QMessageBox::question(
 789           this, tr("Confirm transaction fee"), strMessage,
 790           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 791     *payFee = (retval == QMessageBox::Yes);
 792 }
 793
 794 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 795 {
 796     if(!walletModel || !clientModel)
 797         return;
 798     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 799     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 800                     .data(Qt::EditRole).toULongLong();
 801     if(!clientModel->inInitialBlockDownload())
 802     {
 803         // On new transaction, make an info balloon
 804         // Unless the initial block download is in progress, to prevent balloon-spam
 805         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 806                         .data().toString();
 807         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 808                         .data().toString();
 809         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 810                         .data().toString();
 811         QIcon icon = qvariant_cast<QIcon>(ttm->index(start,
 812                             TransactionTableModel::ToAddress, parent)
 813                         .data(Qt::DecorationRole));
 814
 815         notificator->notify(Notificator::Information,
 816                             (amount)<0 ? tr("Sent transaction") :
 817                                          tr("Incoming transaction"),
 818                               tr("Date: %1\n"
 819                                  "Amount: %2\n"
 820                                  "Type: %3\n"
 821                                  "Address: %4\n")
 822                               .arg(date)
 823                               .arg(BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true))
 824                               .arg(type)
 825                               .arg(address), icon);
 826     }
 827 }
 828
 829 void BitcoinGUI::gotoOverviewPage()
 830 {
 831     overviewAction->setChecked(true);
 832     centralWidget->setCurrentWidget(overviewPage);
 833
 834     exportAction->setEnabled(false);
 835     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 836 }
 837
 838 void BitcoinGUI::gotoHistoryPage()
 839 {
 840     historyAction->setChecked(true);
 841     centralWidget->setCurrentWidget(transactionsPage);
 842
 843     exportAction->setEnabled(true);
 844     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 845     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 846 }
 847
 848 void BitcoinGUI::gotoAddressBookPage()
 849 {
 850     addressBookAction->setChecked(true);
 851     centralWidget->setCurrentWidget(addressBookPage);
 852
 853     exportAction->setEnabled(true);
 854     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 855     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 856 }
 857
 858 void BitcoinGUI::gotoReceiveCoinsPage()
 859 {
 860     receiveCoinsAction->setChecked(true);
 861     centralWidget->setCurrentWidget(receiveCoinsPage);
 862
 863     exportAction->setEnabled(true);
 864     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 865     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 866 }
 867
 868 void BitcoinGUI::gotoSendCoinsPage()
 869 {
 870     sendCoinsAction->setChecked(true);
 871     centralWidget->setCurrentWidget(sendCoinsPage);
 872
 873     exportAction->setEnabled(false);
 874     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 875 }
 876
 877 void BitcoinGUI::gotoSignMessageTab(QString addr)
 878 {
 879     // call show() in showTab_SM()
 880     signVerifyMessageDialog->showTab_SM(true);
 881
 882     if(!addr.isEmpty())
 883         signVerifyMessageDialog->setAddress_SM(addr);
 884 }
 885
 886 void BitcoinGUI::gotoVerifyMessageTab(QString addr)
 887 {
 888     // call show() in showTab_VM()
 889     signVerifyMessageDialog->showTab_VM(true);
 890
 891     if(!addr.isEmpty())
 892         signVerifyMessageDialog->setAddress_VM(addr);
 893 }
 894
 895 void BitcoinGUI::dragEnterEvent(QDragEnterEvent *event)
 896 {
 897     // Accept only URIs
 898     if(event->mimeData()->hasUrls())
 899         event->acceptProposedAction();
 900 }
 901
 902 void BitcoinGUI::dropEvent(QDropEvent *event)
 903 {
 904     if(event->mimeData()->hasUrls())
 905     {
 906         int nValidUrisFound = 0;
 907         QList<QUrl> uris = event->mimeData()->urls();
 908         foreach(const QUrl &uri, uris)
 909         {
 910             if (sendCoinsPage->handleURI(uri.toString()))
 911                 nValidUrisFound++;
 912         }
 913
 914         // if valid URIs were found
 915         if (nValidUrisFound)
 916             gotoSendCoinsPage();
 917         else
 918             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."));
 919     }
 920
 921     event->acceptProposedAction();
 922 }
 923
 924 void BitcoinGUI::handleURI(QString strURI)
 925 {
 926     // URI has to be valid
 927     if (sendCoinsPage->handleURI(strURI))
 928     {
 929         showNormalIfMinimized();
 930         gotoSendCoinsPage();
 931     }
 932     else
 933         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."));
 934 }
 935
 936 void BitcoinGUI::setEncryptionStatus(int status)
 937 {
 938     switch(status)
 939     {
 940     case WalletModel::Unencrypted:
 941         labelEncryptionIcon->hide();
 942         encryptWalletAction->setChecked(false);
 943         changePassphraseAction->setEnabled(false);
 944         lockWalletAction->setEnabled(false);
 945         unlockWalletAction->setEnabled(false);
 946         unlockWalletMiningAction->setEnabled(false);
 947         encryptWalletAction->setEnabled(true);
 948         break;
 949     case WalletModel::Unlocked:
 950         labelEncryptionIcon->show();
 951         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 952         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>unlocked</b>"));
 953         encryptWalletAction->setChecked(true);
 954         changePassphraseAction->setEnabled(true);
 955         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
 956
 957         lockWalletAction->setEnabled(true);
 958         lockWalletAction->setChecked(false);
 959         unlockWalletAction->setEnabled(false);
 960         unlockWalletMiningAction->setEnabled(false);
 961
 962         if (fWalletUnlockMintOnly)
 963             unlockWalletMiningAction->setChecked(true);
 964         else
 965             unlockWalletAction->setChecked(true);
 966
 967         break;
 968     case WalletModel::Locked:
 969         labelEncryptionIcon->show();
 970         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 971         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>locked</b>"));
 972         encryptWalletAction->setChecked(true);
 973         changePassphraseAction->setEnabled(true);
 974         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
 975
 976         lockWalletAction->setChecked(true);
 977         unlockWalletAction->setChecked(false);
 978         unlockWalletMiningAction->setChecked(false);
 979
 980         lockWalletAction->setEnabled(false);
 981         unlockWalletAction->setEnabled(true);
 982         unlockWalletMiningAction->setEnabled(true);
 983         break;
 984     }
 985 }
 986
 987 void BitcoinGUI::encryptWallet(bool status)
 988 {
 989     if(!walletModel)
 990         return;
 991     AskPassphraseDialog dlg(status ? AskPassphraseDialog::Encrypt:
 992                                      AskPassphraseDialog::Decrypt, this);
 993     dlg.setModel(walletModel);
 994     dlg.exec();
 995
 996     setEncryptionStatus(walletModel->getEncryptionStatus());
 997 }
 998
 999 void BitcoinGUI::unlockWalletMining(bool status)
1000 {
1001     if(!walletModel)
1002         return;
1003
1004     // Unlock wallet when requested by wallet model
1005     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
1006     {
1007         AskPassphraseDialog dlg(AskPassphraseDialog::UnlockMining, this);
1008         dlg.setModel(walletModel);
1009         dlg.exec();
1010     }
1011 }
1012
1013 void BitcoinGUI::backupWallet()
1014 {
1015 #if QT_VERSION < 0x050000
1016     QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1017 #else
1018     QString saveDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1019 #endif
1020     QString filename = QFileDialog::getSaveFileName(this, tr("Backup Wallet"), saveDir, tr("Wallet Data (*.dat)"));
1021     if(!filename.isEmpty()) {
1022         if(!walletModel->backupWallet(filename)) {
1023             QMessageBox::warning(this, tr("Backup Failed"), tr("There was an error trying to save the wallet data to the new location."));
1024         }
1025     }
1026 }
1027
1028 void BitcoinGUI::dumpWallet()
1029 {
1030    if(!walletModel)
1031       return;
1032
1033    WalletModel::UnlockContext ctx(walletModel->requestUnlock());
1034    if(!ctx.isValid())
1035    {
1036        // Unlock wallet failed or was cancelled
1037        return;
1038    }
1039
1040 #if QT_VERSION < 0x050000
1041     QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1042 #else
1043     QString saveDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1044 #endif
1045     QString filename = QFileDialog::getSaveFileName(this, tr("Dump Wallet"), saveDir, tr("Wallet dump (*.txt)"));
1046     if(!filename.isEmpty()) {
1047         if(!walletModel->dumpWallet(filename)) {
1048             error(tr("Dump failed"),
1049                          tr("An error happened while trying to save the keys to your location.\n"
1050                             "Keys were not saved.")
1051                       ,CClientUIInterface::MSG_ERROR);
1052         }
1053         else
1054           message(tr("Dump successful"),
1055                        tr("Keys were saved to this file:\n%2")
1056                        .arg(filename)
1057                       ,CClientUIInterface::MSG_INFORMATION);
1058     }
1059 }
1060
1061 void BitcoinGUI::importWallet()
1062 {
1063    if(!walletModel)
1064       return;
1065
1066    WalletModel::UnlockContext ctx(walletModel->requestUnlock());
1067    if(!ctx.isValid())
1068    {
1069        // Unlock wallet failed or was cancelled
1070        return;
1071    }
1072
1073 #if QT_VERSION < 0x050000
1074     QString openDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1075 #else
1076     QString openDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1077 #endif
1078     QString filename = QFileDialog::getOpenFileName(this, tr("Import Wallet"), openDir, tr("Wallet dump (*.txt)"));
1079     if(!filename.isEmpty()) {
1080         if(!walletModel->importWallet(filename)) {
1081             error(tr("Import Failed"),
1082                          tr("An error happened while trying to import the keys.\n"
1083                             "Some or all keys from:\n %1,\n were not imported into your wallet.")
1084                          .arg(filename)
1085                       ,CClientUIInterface::MSG_ERROR);
1086         }
1087         else
1088           message(tr("Import Successful"),
1089                        tr("All keys from:\n %1,\n were imported into your wallet.")
1090                        .arg(filename)
1091                       ,CClientUIInterface::MSG_INFORMATION);
1092     }
1093 }
1094
1095
1096 void BitcoinGUI::changePassphrase()
1097 {
1098     AskPassphraseDialog dlg(AskPassphraseDialog::ChangePass, this);
1099     dlg.setModel(walletModel);
1100     dlg.exec();
1101 }
1102
1103 void BitcoinGUI::unlockWallet()
1104 {
1105     if(!walletModel)
1106         return;
1107     // Unlock wallet when requested by wallet model
1108     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
1109     {
1110         AskPassphraseDialog dlg(AskPassphraseDialog::Unlock, this);
1111         dlg.setModel(walletModel);
1112         dlg.exec();
1113     }
1114 }
1115
1116 void BitcoinGUI::lockWallet()
1117 {
1118     if(!walletModel)
1119         return;
1120
1121     walletModel->setWalletLocked(true);
1122 }
1123
1124 void BitcoinGUI::showNormalIfMinimized(bool fToggleHidden)
1125 {
1126     // activateWindow() (sometimes) helps with keyboard focus on Windows
1127     if (isHidden())
1128     {
1129         show();
1130         activateWindow();
1131     }
1132     else if (isMinimized())
1133     {
1134         showNormal();
1135         activateWindow();
1136     }
1137     else if (GUIUtil::isObscured(this))
1138     {
1139         raise();
1140         activateWindow();
1141     }
1142     else if(fToggleHidden)
1143         hide();
1144 }
1145
1146 void BitcoinGUI::toggleHidden()
1147 {
1148     showNormalIfMinimized(true);
1149 }