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 "secondauthdialog.h"
  13 #include "multisigdialog.h"
  14 #include "optionsdialog.h"
  15 #include "aboutdialog.h"
  16 #include "clientmodel.h"
  17 #include "walletmodel.h"
  18 #include "editaddressdialog.h"
  19 #include "optionsmodel.h"
  20 #include "transactiondescdialog.h"
  21 #include "addresstablemodel.h"
  22 #include "transactionview.h"
  23 #include "overviewpage.h"
  24 #include "bitcoinunits.h"
  25 #include "guiconstants.h"
  26 #include "askpassphrasedialog.h"
  27 #include "notificator.h"
  28 #include "guiutil.h"
  29 #include "ui_interface.h"
  30 #include "rpcconsole.h"
  31 #include "mintingview.h"
  32
  33 #ifdef Q_OS_MAC
  34 #include "macdockiconhandler.h"
  35 #endif
  36
  37 #include <QApplication>
  38 #if QT_VERSION < 0x050000
  39 #include <QMainWindow>
  40 #endif
  41 #include <QMenuBar>
  42 #include <QMenu>
  43 #include <QIcon>
  44 #include <QTabWidget>
  45 #include <QVBoxLayout>
  46 #include <QToolBar>
  47 #include <QStatusBar>
  48 #include <QLabel>
  49 #include <QLineEdit>
  50 #include <QPushButton>
  51 #include <QLocale>
  52 #include <QMessageBox>
  53 #include <QProgressBar>
  54 #include <QStackedWidget>
  55 #include <QDateTime>
  56 #include <QMovie>
  57 #include <QFileDialog>
  58 #if QT_VERSION < 0x050000
  59 #include <QDesktopServices>
  60 #else
  61 #include <QStandardPaths>
  62 #endif
  63 #include <QTimer>
  64 #include <QDragEnterEvent>
  65 #if QT_VERSION < 0x050000
  66 #include <QUrl>
  67 #endif
  68 #include <QStyle>
  69 #include <QMimeData>
  70
  71 #include <iostream>
  72
  73 extern bool fWalletUnlockMintOnly;
  74 extern uint64_t nStakeInputsMapSize;
  75
  76 BitcoinGUI::BitcoinGUI(QWidget *parent):
  77     QMainWindow(parent),
  78     clientModel(0),
  79     walletModel(0),
  80     signVerifyMessageDialog(0),
  81     secondAuthDialog(0),
  82     multisigPage(0),
  83     encryptWalletAction(0),
  84     lockWalletAction(0),
  85     unlockWalletAction(0),
  86     unlockWalletMiningAction(0),
  87     changePassphraseAction(0),
  88     trayIcon(0),
  89     notificator(0),
  90     rpcConsole(0),
  91     aboutDialog(0),
  92     optionsDialog(0)
  93 {
  94     resize(850, 550);
  95     setWindowTitle(tr("NovaCoin") + " - " + tr("Wallet"));
  96 #ifndef Q_OS_MAC
  97     qApp->setWindowIcon(QIcon(":icons/bitcoin"));
  98     setWindowIcon(QIcon(":icons/bitcoin"));
  99 #else
 100     setUnifiedTitleAndToolBarOnMac(true);
 101     QApplication::setAttribute(Qt::AA_DontShowIconsInMenus);
 102 #endif
 103     // Accept D&D of URIs
 104     setAcceptDrops(true);
 105
 106     // Create actions for the toolbar, menu bar and tray/dock icon
 107     createActions();
 108
 109     // Create application menu bar
 110     createMenuBar();
 111
 112     // Create the toolbars
 113     createToolBars();
 114
 115     // Create the tray icon (or setup the dock icon)
 116     createTrayIcon();
 117
 118     // Create tabs
 119     overviewPage = new OverviewPage();
 120
 121     transactionsPage = new QWidget(this);
 122     QVBoxLayout *vbox = new QVBoxLayout();
 123     transactionView = new TransactionView(this);
 124     vbox->addWidget(transactionView);
 125     transactionsPage->setLayout(vbox);
 126
 127     mintingPage = new QWidget(this);
 128     QVBoxLayout *vboxMinting = new QVBoxLayout();
 129     mintingView = new MintingView(this);
 130     vboxMinting->addWidget(mintingView);
 131     mintingPage->setLayout(vboxMinting);
 132
 133     addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
 134
 135     receiveCoinsPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab);
 136
 137     sendCoinsPage = new SendCoinsDialog(this);
 138
 139     signVerifyMessageDialog = new SignVerifyMessageDialog(0);
 140
 141     secondAuthDialog = new SecondAuthDialog(0);
 142
 143     multisigPage = new MultisigDialog(0);
 144
 145     centralWidget = new QStackedWidget(this);
 146     centralWidget->addWidget(overviewPage);
 147     centralWidget->addWidget(transactionsPage);
 148     centralWidget->addWidget(mintingPage);
 149     centralWidget->addWidget(addressBookPage);
 150     centralWidget->addWidget(receiveCoinsPage);
 151     centralWidget->addWidget(sendCoinsPage);
 152     setCentralWidget(centralWidget);
 153
 154     // Create status bar
 155     statusBar();
 156
 157     // Status bar notification icons
 158     QFrame *frameBlocks = new QFrame();
 159     frameBlocks->setContentsMargins(0,0,0,0);
 160     frameBlocks->setMinimumWidth(72);
 161     frameBlocks->setMaximumWidth(72);
 162     QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
 163     frameBlocksLayout->setContentsMargins(3,0,3,0);
 164     frameBlocksLayout->setSpacing(3);
 165     labelEncryptionIcon = new QLabel();
 166     labelMiningIcon = new QLabel();
 167     labelConnectionsIcon = new QLabel();
 168     labelBlocksIcon = new QLabel();
 169     frameBlocksLayout->addStretch();
 170     frameBlocksLayout->addWidget(labelEncryptionIcon);
 171     frameBlocksLayout->addStretch();
 172     frameBlocksLayout->addWidget(labelMiningIcon);
 173     frameBlocksLayout->addStretch();
 174     frameBlocksLayout->addWidget(labelConnectionsIcon);
 175     frameBlocksLayout->addStretch();
 176     frameBlocksLayout->addWidget(labelBlocksIcon);
 177     frameBlocksLayout->addStretch();
 178
 179     // Progress bar and label for blocks download
 180     progressBarLabel = new QLabel();
 181     progressBarLabel->setVisible(false);
 182     progressBar = new QProgressBar();
 183     progressBar->setAlignment(Qt::AlignCenter);
 184     progressBar->setVisible(false);
 185
 186     // Override style sheet for progress bar for styles that have a segmented progress bar,
 187     // as they make the text unreadable (workaround for issue #1071)
 188     // See https://qt-project.org/doc/qt-4.8/gallery.html
 189     QString curStyle = qApp->style()->metaObject()->className();
 190     if(curStyle == "QWindowsStyle" || curStyle == "QWindowsXPStyle")
 191     {
 192         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; }");
 193     }
 194
 195     statusBar()->addWidget(progressBarLabel);
 196     statusBar()->addWidget(progressBar);
 197     statusBar()->addPermanentWidget(frameBlocks);
 198
 199     syncIconMovie = new QMovie(":/movies/update_spinner", "mng", this);
 200
 201     // Clicking on a transaction on the overview page simply sends you to transaction history page
 202     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), this, SLOT(gotoHistoryPage()));
 203     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), transactionView, SLOT(focusTransaction(QModelIndex)));
 204
 205     // Double-clicking on a transaction on the transaction history page shows details
 206     connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
 207
 208     rpcConsole = new RPCConsole(0);
 209     connect(openRPCConsoleAction, SIGNAL(triggered()), rpcConsole, SLOT(show()));
 210     connect(openRPCConsoleAction, SIGNAL(triggered()), rpcConsole, SLOT(raise()));
 211
 212     aboutDialog = new AboutDialog(0);
 213     optionsDialog = new OptionsDialog(0);
 214
 215     // Clicking on "Verify Message" in the address book sends you to the verify message tab
 216     connect(addressBookPage, SIGNAL(verifyMessage(QString)), this, SLOT(gotoVerifyMessageTab(QString)));
 217     // Clicking on "Sign Message" in the receive coins page sends you to the sign message tab
 218     connect(receiveCoinsPage, SIGNAL(signMessage(QString)), this, SLOT(gotoSignMessageTab(QString)));
 219
 220     gotoOverviewPage();
 221 }
 222
 223 BitcoinGUI::~BitcoinGUI()
 224 {
 225     if(trayIcon) // Hide tray icon, as deleting will let it linger until quit (on Ubuntu)
 226         trayIcon->hide();
 227 #ifdef Q_OS_MAC
 228     delete appMenuBar;
 229 #endif
 230
 231     delete rpcConsole;
 232     delete aboutDialog;
 233     delete optionsDialog;
 234     delete multisigPage;
 235     delete secondAuthDialog;
 236     delete signVerifyMessageDialog;
 237 }
 238
 239 void BitcoinGUI::createActions()
 240 {
 241     QActionGroup *tabGroup = new QActionGroup(this);
 242
 243     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 244     overviewAction->setToolTip(tr("Show general overview of wallet"));
 245     overviewAction->setCheckable(true);
 246     overviewAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_1));
 247     tabGroup->addAction(overviewAction);
 248
 249     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 250     sendCoinsAction->setToolTip(tr("Send coins to a NovaCoin address"));
 251     sendCoinsAction->setCheckable(true);
 252     sendCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_2));
 253     tabGroup->addAction(sendCoinsAction);
 254
 255     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 256     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 257     receiveCoinsAction->setCheckable(true);
 258     receiveCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_3));
 259     tabGroup->addAction(receiveCoinsAction);
 260
 261     historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
 262     historyAction->setToolTip(tr("Browse transaction history"));
 263     historyAction->setCheckable(true);
 264     historyAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_4));
 265     tabGroup->addAction(historyAction);
 266
 267     mintingAction = new QAction(QIcon(":/icons/history"), tr("&Minting"), this);
 268     mintingAction->setToolTip(tr("Show your minting capacity"));
 269     mintingAction->setCheckable(true);
 270     mintingAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_5));
 271     tabGroup->addAction(mintingAction);
 272
 273     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 274     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 275     addressBookAction->setCheckable(true);
 276     addressBookAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_6));
 277     tabGroup->addAction(addressBookAction);
 278
 279     multisigAction = new QAction(QIcon(":/icons/send"), tr("Multisig"), this);
 280     multisigAction->setStatusTip(tr("Open window for working with multisig addresses"));
 281     tabGroup->addAction(multisigAction);
 282
 283     connect(overviewAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 284     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 285     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 286     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 287     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 288     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 289     connect(historyAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 290     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 291     connect(mintingAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 292     connect(mintingAction, SIGNAL(triggered()), this, SLOT(gotoMintingPage()));
 293     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 294     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 295     connect(multisigAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 296     connect(multisigAction, SIGNAL(triggered()), this, SLOT(gotoMultisigPage()));
 297
 298     quitAction = new QAction(QIcon(":/icons/quit"), tr("E&xit"), this);
 299     quitAction->setStatusTip(tr("Quit application"));
 300     quitAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 301     quitAction->setMenuRole(QAction::QuitRole);
 302     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About NovaCoin"), this);
 303     aboutAction->setStatusTip(tr("Show information about NovaCoin"));
 304     aboutAction->setMenuRole(QAction::AboutRole);
 305     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 306     optionsAction->setStatusTip(tr("Modify configuration options for NovaCoin"));
 307     optionsAction->setMenuRole(QAction::PreferencesRole);
 308     toggleHideAction = new QAction(QIcon(":/icons/bitcoin"), tr("&Show / Hide"), this);
 309     encryptWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Encrypt Wallet..."), this);
 310     encryptWalletAction->setStatusTip(tr("Encrypt or decrypt wallet"));
 311     encryptWalletAction->setCheckable(true);
 312     backupWalletAction = new QAction(QIcon(":/icons/filesave"), tr("&Backup Wallet..."), this);
 313     backupWalletAction->setStatusTip(tr("Backup wallet to another location"));
 314     dumpWalletAction = new QAction(QIcon(":/icons/dump"), tr("&Dump Wallet..."), this);
 315     dumpWalletAction->setStatusTip(tr("Dump keys to a text file"));
 316     importWalletAction = new QAction(QIcon(":/icons/import"), tr("&Import Wallet..."), this);
 317     importWalletAction->setStatusTip(tr("Import keys into a wallet"));
 318     changePassphraseAction = new QAction(QIcon(":/icons/key"), tr("&Change Passphrase..."), this);
 319     changePassphraseAction->setStatusTip(tr("Change the passphrase used for wallet encryption"));
 320     signMessageAction = new QAction(QIcon(":/icons/edit"), tr("Sign &message..."), this);
 321     signMessageAction->setStatusTip(tr("Sign messages with your Novacoin addresses to prove you own them"));
 322     verifyMessageAction = new QAction(QIcon(":/icons/transaction_0"), tr("&Verify message..."), this);
 323     verifyMessageAction->setStatusTip(tr("Verify messages to ensure they were signed with specified Novacoin addresses"));
 324     secondAuthAction = new QAction(QIcon(":/icons/key"), tr("Second &auth..."), this);
 325     secondAuthAction->setStatusTip(tr("Second auth with your Novacoin addresses"));
 326
 327     lockWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Lock wallet"), this);
 328     lockWalletAction->setStatusTip(tr("Lock wallet"));
 329     lockWalletAction->setCheckable(true);
 330
 331     unlockWalletAction = new QAction(QIcon(":/icons/lock_open"), tr("Unlo&ck wallet"), this);
 332     unlockWalletAction->setStatusTip(tr("Unlock wallet"));
 333     unlockWalletAction->setCheckable(true);
 334
 335     unlockWalletMiningAction = new QAction(QIcon(":/icons/mining_active"), tr("Unlo&ck wallet for mining"), this);
 336     unlockWalletMiningAction->setStatusTip(tr("Unlock wallet for mining"));
 337     unlockWalletMiningAction->setCheckable(true);
 338
 339     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
 340     exportAction->setStatusTip(tr("Export the data in the current tab to a file"));
 341     openRPCConsoleAction = new QAction(QIcon(":/icons/debugwindow"), tr("&Debug window"), this);
 342     openRPCConsoleAction->setStatusTip(tr("Open debugging and diagnostic console"));
 343
 344     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
 345     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 346     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 347     connect(toggleHideAction, SIGNAL(triggered()), this, SLOT(toggleHidden()));
 348     connect(encryptWalletAction, SIGNAL(triggered(bool)), this, SLOT(encryptWallet(bool)));
 349     connect(lockWalletAction, SIGNAL(triggered(bool)), this, SLOT(lockWallet()));
 350     connect(unlockWalletAction, SIGNAL(triggered(bool)), this, SLOT(unlockWallet()));
 351     connect(unlockWalletMiningAction, SIGNAL(triggered(bool)), this, SLOT(unlockWalletMining(bool)));
 352     connect(backupWalletAction, SIGNAL(triggered()), this, SLOT(backupWallet()));
 353     connect(dumpWalletAction, SIGNAL(triggered()), this, SLOT(dumpWallet()));
 354     connect(importWalletAction, SIGNAL(triggered()), this, SLOT(importWallet()));
 355     connect(changePassphraseAction, SIGNAL(triggered()), this, SLOT(changePassphrase()));
 356     connect(signMessageAction, SIGNAL(triggered()), this, SLOT(gotoSignMessageTab()));
 357     connect(verifyMessageAction, SIGNAL(triggered()), this, SLOT(gotoVerifyMessageTab()));
 358     connect(secondAuthAction, SIGNAL(triggered()), this, SLOT(gotoSecondAuthPage()));
 359 }
 360
 361 void BitcoinGUI::createMenuBar()
 362 {
 363 #ifdef Q_OS_MAC
 364     // Create a decoupled menu bar on Mac which stays even if the window is closed
 365     appMenuBar = new QMenuBar();
 366 #else
 367     // Get the main window's menu bar on other platforms
 368     appMenuBar = menuBar();
 369 #endif
 370
 371     // Configure the menus
 372     QMenu *file = appMenuBar->addMenu(tr("&File"));
 373     file->addAction(backupWalletAction);
 374     file->addSeparator();
 375     file->addAction(dumpWalletAction);
 376     file->addAction(importWalletAction);
 377     file->addAction(exportAction);
 378     file->addAction(signMessageAction);
 379     file->addAction(verifyMessageAction);
 380     file->addAction(secondAuthAction);
 381     file->addAction(multisigAction);
 382     file->addSeparator();
 383     file->addAction(quitAction);
 384
 385     QMenu *settings = appMenuBar->addMenu(tr("&Settings"));
 386     QMenu *securityMenu = settings->addMenu(QIcon(":/icons/key"), tr("&Wallet security"));
 387     securityMenu->addAction(encryptWalletAction);
 388     securityMenu->addAction(changePassphraseAction);
 389     securityMenu->addAction(unlockWalletAction);
 390     securityMenu->addAction(unlockWalletMiningAction);
 391     securityMenu->addAction(lockWalletAction);
 392     settings->addAction(optionsAction);
 393
 394     QMenu *help = appMenuBar->addMenu(tr("&Help"));
 395     help->addAction(openRPCConsoleAction);
 396     help->addAction(aboutAction);
 397 }
 398
 399 void BitcoinGUI::createToolBars()
 400 {
 401     QToolBar *toolbar = addToolBar(tr("Tabs toolbar"));
 402     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 403     toolbar->addAction(overviewAction);
 404     toolbar->addAction(sendCoinsAction);
 405     toolbar->addAction(receiveCoinsAction);
 406     toolbar->addAction(historyAction);
 407     toolbar->addAction(mintingAction);
 408     toolbar->addAction(addressBookAction);
 409
 410     QToolBar *toolbar2 = addToolBar(tr("Actions toolbar"));
 411     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 412     toolbar2->addAction(exportAction);
 413     toolbar2->setVisible(false);
 414
 415 }
 416
 417 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 418 {
 419     this->clientModel = clientModel;
 420     if(clientModel)
 421     {
 422         // Replace some strings and icons, when using the testnet
 423         if(clientModel->isTestNet())
 424         {
 425             setWindowTitle(windowTitle() + QString(" ") + tr("[testnet]"));
 426 #ifndef Q_OS_MAC
 427             qApp->setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 428             setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 429 #else
 430             MacDockIconHandler::instance()->setIcon(QIcon(":icons/bitcoin_testnet"));
 431 #endif
 432             if(trayIcon)
 433             {
 434                 trayIcon->setToolTip(tr("NovaCoin client") + QString(" ") + tr("[testnet]"));
 435                 trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 436                 toggleHideAction->setIcon(QIcon(":/icons/toolbar_testnet"));
 437             }
 438
 439             aboutAction->setIcon(QIcon(":/icons/toolbar_testnet"));
 440         }
 441
 442         // Keep up to date with client
 443         setNumConnections(clientModel->getNumConnections());
 444         connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 445
 446         setNumBlocks(clientModel->getNumBlocks());
 447         connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 448
 449         QTimer *timer = new QTimer(this);
 450         connect(timer, SIGNAL(timeout()), this, SLOT(updateMining()));
 451         timer->start(10*1000); //10 seconds
 452
 453         // Report errors from network/worker thread
 454         connect(clientModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
 455
 456         rpcConsole->setClientModel(clientModel);
 457         addressBookPage->setOptionsModel(clientModel->getOptionsModel());
 458         receiveCoinsPage->setOptionsModel(clientModel->getOptionsModel());
 459     }
 460 }
 461
 462 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 463 {
 464     this->walletModel = walletModel;
 465     if(walletModel)
 466     {
 467         // Report errors from wallet thread
 468         connect(walletModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
 469
 470         // Put transaction list in tabs
 471         transactionView->setModel(walletModel);
 472         mintingView->setModel(walletModel);
 473
 474         overviewPage->setModel(walletModel);
 475         addressBookPage->setModel(walletModel->getAddressTableModel());
 476         receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 477         sendCoinsPage->setModel(walletModel);
 478         signVerifyMessageDialog->setModel(walletModel);
 479         secondAuthDialog->setModel(walletModel);
 480         multisigPage->setModel(walletModel);
 481
 482         setEncryptionStatus(walletModel->getEncryptionStatus());
 483         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
 484         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(updateMining()));
 485
 486         // Balloon pop-up for new transaction
 487         connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 488                 this, SLOT(incomingTransaction(QModelIndex,int,int)));
 489
 490         // Ask for passphrase if needed
 491         connect(walletModel, SIGNAL(requireUnlock()), this, SLOT(unlockWallet()));
 492     }
 493 }
 494
 495 void BitcoinGUI::createTrayIcon()
 496 {
 497     QMenu *trayIconMenu;
 498 #ifndef Q_OS_MAC
 499     trayIcon = new QSystemTrayIcon(this);
 500     trayIconMenu = new QMenu(this);
 501     trayIcon->setContextMenu(trayIconMenu);
 502     trayIcon->setToolTip(tr("NovaCoin client"));
 503     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 504     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 505             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 506     trayIcon->show();
 507 #else
 508     // Note: On Mac, the dock icon is used to provide the tray's functionality.
 509     MacDockIconHandler *dockIconHandler = MacDockIconHandler::instance();
 510     dockIconHandler->setMainWindow((QMainWindow *)this);
 511     trayIconMenu = dockIconHandler->dockMenu();
 512 #endif
 513
 514     // Configuration of the tray icon (or dock icon) icon menu
 515     trayIconMenu->addAction(toggleHideAction);
 516     trayIconMenu->addSeparator();
 517     trayIconMenu->addAction(sendCoinsAction);
 518     trayIconMenu->addAction(multisigAction);
 519     trayIconMenu->addAction(receiveCoinsAction);
 520     trayIconMenu->addSeparator();
 521     trayIconMenu->addAction(signMessageAction);
 522     trayIconMenu->addAction(verifyMessageAction);
 523     trayIconMenu->addAction(secondAuthAction);
 524     trayIconMenu->addSeparator();
 525     trayIconMenu->addAction(optionsAction);
 526     trayIconMenu->addAction(openRPCConsoleAction);
 527 #ifndef Q_OS_MAC
 528     // This is built-in on Mac
 529     trayIconMenu->addSeparator();
 530     trayIconMenu->addAction(quitAction);
 531 #endif
 532     notificator = new Notificator(QApplication::applicationName(), trayIcon, this);
 533 }
 534
 535 #ifndef Q_OS_MAC
 536 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 537 {
 538     if(reason == QSystemTrayIcon::Trigger)
 539     {
 540         // Click on system tray icon triggers show/hide of the main window
 541         toggleHideAction->trigger();
 542     }
 543 }
 544 #endif
 545
 546 void BitcoinGUI::optionsClicked()
 547 {
 548     if(!clientModel || !clientModel->getOptionsModel())
 549         return;
 550
 551     optionsDialog->setModel(clientModel->getOptionsModel());
 552     optionsDialog->setWindowModality(Qt::ApplicationModal);
 553     optionsDialog->show();
 554 }
 555
 556 void BitcoinGUI::aboutClicked()
 557 {
 558     aboutDialog->setModel(clientModel);
 559     aboutDialog->setWindowModality(Qt::ApplicationModal);
 560     aboutDialog->show();
 561 }
 562
 563 void BitcoinGUI::setNumConnections(int count)
 564 {
 565     QString icon;
 566     switch(count)
 567     {
 568     case 0: icon = ":/icons/connect_0"; break;
 569     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 570     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 571     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 572     default: icon = ":/icons/connect_4"; break;
 573     }
 574     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 575     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to NovaCoin network", "", count));
 576 }
 577
 578 void BitcoinGUI::setNumBlocks(int count)
 579 {
 580     // don't show / hide progress bar and its label if we have no connection to the network
 581     if (!clientModel || clientModel->getNumConnections() == 0)
 582     {
 583         progressBarLabel->setVisible(false);
 584         progressBar->setVisible(false);
 585
 586         return;
 587     }
 588
 589     QString strStatusBarWarnings = clientModel->getStatusBarWarnings();
 590     QString tooltip;
 591
 592     if (strStatusBarWarnings.isEmpty())
 593         progressBarLabel->setVisible(false);
 594
 595     progressBar->setVisible(false);
 596     tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
 597
 598     // Override progressBarLabel text and hide progress bar, when we have warnings to display
 599     if (!strStatusBarWarnings.isEmpty())
 600     {
 601         progressBarLabel->setText(strStatusBarWarnings);
 602         progressBarLabel->setVisible(true);
 603         progressBar->setVisible(false);
 604     }
 605
 606     tooltip = tr("Current PoW difficulty is %1.").arg(clientModel->getDifficulty(false)) + QString("<br>") + tooltip;
 607     tooltip = tr("Current PoS difficulty is %1.").arg(clientModel->getDifficulty(true)) + QString("<br>") + tooltip;
 608
 609     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 610     int secs = lastBlockDate.secsTo(QDateTime::currentDateTime());
 611     QString text;
 612
 613     // Represent time from last generated block in human readable text
 614     if(secs <= 0)
 615     {
 616         // Fully up to date. Leave text empty.
 617     }
 618     else if(secs < 60)
 619     {
 620         text = tr("%n second(s) ago","",secs);
 621     }
 622     else if(secs < 60*60)
 623     {
 624         text = tr("%n minute(s) ago","",secs/60);
 625     }
 626     else if(secs < 24*60*60)
 627     {
 628         text = tr("%n hour(s) ago","",secs/(60*60));
 629     }
 630     else
 631     {
 632         text = tr("%n day(s) ago","",secs/(60*60*24));
 633     }
 634
 635     // Set icon state: spinning if catching up, tick otherwise
 636     if(secs < 90*60)
 637     {
 638         tooltip = tr("Up to date") + QString(".<br>") + tooltip;
 639         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE, STATUSBAR_ICONSIZE));
 640
 641         overviewPage->showOutOfSyncWarning(false);
 642     }
 643     else
 644     {
 645         tooltip = tr("Catching up...") + QString("<br>") + tooltip;
 646         labelBlocksIcon->setMovie(syncIconMovie);
 647         syncIconMovie->start();
 648
 649         overviewPage->showOutOfSyncWarning(true);
 650     }
 651
 652     if(!text.isEmpty())
 653     {
 654         tooltip += QString("<br>");
 655         tooltip += tr("Last received block was generated %1.").arg(text);
 656     }
 657
 658     // Don't word-wrap this (fixed-width) tooltip
 659     tooltip = QString("<nobr>") + tooltip + QString("</nobr>");
 660
 661     labelBlocksIcon->setToolTip(tooltip);
 662     progressBarLabel->setToolTip(tooltip);
 663     progressBar->setToolTip(tooltip);
 664 }
 665
 666 void BitcoinGUI::updateMining()
 667 {
 668    if(!walletModel)
 669       return;
 670
 671     labelMiningIcon->setPixmap(QIcon(":/icons/mining_inactive").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 672
 673     if (!clientModel->getNumConnections())
 674     {
 675         labelMiningIcon->setToolTip(tr("Wallet is offline"));
 676         return;
 677     }
 678
 679     if (walletModel->getEncryptionStatus() == WalletModel::Locked)
 680     {
 681         labelMiningIcon->setToolTip(tr("Wallet is locked"));
 682         return;
 683     }
 684
 685     if (clientModel->inInitialBlockDownload())
 686     {
 687         labelMiningIcon->setToolTip(tr("Blockchain download is in progress"));
 688         return;
 689     }
 690
 691     if (nStakeInputsMapSize > 0)
 692     {
 693         labelMiningIcon->setPixmap(QIcon(":/icons/mining_active").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 694
 695         uint64_t nNetworkWeight = clientModel->getPoSKernelPS();
 696
 697         labelMiningIcon->setToolTip(QString("<nobr>")+tr("Stake miner is active<br>%1 inputs being used for mining<br>Network weight is %3").arg(nStakeInputsMapSize).arg(nNetworkWeight)+QString("<\nobr>"));
 698     }
 699     else
 700         labelMiningIcon->setToolTip(tr("No suitable inputs were found"));
 701 }
 702
 703 void BitcoinGUI::message(const QString &title, const QString &message, unsigned int style, const QString &detail)
 704 {
 705     QString strTitle = tr("NovaCoin") + " - ";
 706     // Default to information icon
 707     int nMBoxIcon = QMessageBox::Information;
 708     int nNotifyIcon = Notificator::Information;
 709
 710
 711     // Check for usage of predefined title
 712     switch (style) {
 713     case CClientUIInterface::MSG_ERROR:
 714         strTitle += tr("Error");
 715         break;
 716     case CClientUIInterface::MSG_WARNING:
 717         strTitle += tr("Warning");
 718         break;
 719     case CClientUIInterface::MSG_INFORMATION:
 720         strTitle += tr("Information");
 721         break;
 722     default:
 723         strTitle += title; // Use supplied title
 724     }
 725
 726     // Check for error/warning icon
 727     if (style & CClientUIInterface::ICON_ERROR) {
 728         nMBoxIcon = QMessageBox::Critical;
 729         nNotifyIcon = Notificator::Critical;
 730     }
 731     else if (style & CClientUIInterface::ICON_WARNING) {
 732         nMBoxIcon = QMessageBox::Warning;
 733         nNotifyIcon = Notificator::Warning;
 734     }
 735
 736     // Display message
 737     if (style & CClientUIInterface::MODAL) {
 738         // Check for buttons, use OK as default, if none was supplied
 739         QMessageBox::StandardButton buttons;
 740         buttons = QMessageBox::Ok;
 741
 742         QMessageBox mBox((QMessageBox::Icon)nMBoxIcon, strTitle, message, buttons);
 743
 744         if(!detail.isEmpty()) { mBox.setDetailedText(detail); }
 745
 746         mBox.exec();
 747     }
 748     else
 749         notificator->notify((Notificator::Class)nNotifyIcon, strTitle, message);
 750 }
 751
 752
 753 void BitcoinGUI::changeEvent(QEvent *e)
 754 {
 755     QMainWindow::changeEvent(e);
 756 #ifndef Q_OS_MAC // Ignored on Mac
 757     if(e->type() == QEvent::WindowStateChange)
 758     {
 759         if(clientModel && clientModel->getOptionsModel()->getMinimizeToTray())
 760         {
 761             QWindowStateChangeEvent *wsevt = static_cast<QWindowStateChangeEvent*>(e);
 762             if(!(wsevt->oldState() & Qt::WindowMinimized) && isMinimized())
 763             {
 764                 QTimer::singleShot(0, this, SLOT(hide()));
 765                 e->ignore();
 766             }
 767         }
 768     }
 769 #endif
 770 }
 771
 772 void BitcoinGUI::closeEvent(QCloseEvent *event)
 773 {
 774     if(clientModel)
 775     {
 776 #ifndef Q_OS_MAC // Ignored on Mac
 777         if(!clientModel->getOptionsModel()->getMinimizeOnClose())
 778         {
 779             qApp->quit();
 780         }
 781 #endif
 782     }
 783     // close rpcConsole in case it was open to make some space for the shutdown window
 784     rpcConsole->close();
 785
 786     QMainWindow::closeEvent(event);
 787 }
 788
 789 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 790 {
 791     QString strMessage =
 792         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 793           "which goes to the nodes that process your transaction and helps to support the network.  "
 794           "Do you want to pay the fee?").arg(
 795                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 796     QMessageBox::StandardButton retval = QMessageBox::question(
 797           this, tr("Confirm transaction fee"), strMessage,
 798           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 799     *payFee = (retval == QMessageBox::Yes);
 800 }
 801
 802 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 803 {
 804     if(!walletModel || !clientModel)
 805         return;
 806     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 807     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 808                     .data(Qt::EditRole).toULongLong();
 809     if(!clientModel->inInitialBlockDownload())
 810     {
 811         // On new transaction, make an info balloon
 812         // Unless the initial block download is in progress, to prevent balloon-spam
 813         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 814                         .data().toString();
 815         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 816                         .data().toString();
 817         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 818                         .data().toString();
 819         QIcon icon = qvariant_cast<QIcon>(ttm->index(start,
 820                             TransactionTableModel::ToAddress, parent)
 821                         .data(Qt::DecorationRole));
 822
 823         notificator->notify(Notificator::Information,
 824                             (amount)<0 ? tr("Sent transaction") :
 825                                          tr("Incoming transaction"),
 826                               tr("Date: %1\n"
 827                                  "Amount: %2\n"
 828                                  "Type: %3\n"
 829                                  "Address: %4\n")
 830                               .arg(date)
 831                               .arg(BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true))
 832                               .arg(type)
 833                               .arg(address), icon);
 834     }
 835 }
 836
 837 void BitcoinGUI::gotoOverviewPage()
 838 {
 839     overviewAction->setChecked(true);
 840     centralWidget->setCurrentWidget(overviewPage);
 841
 842     exportAction->setEnabled(false);
 843     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 844 }
 845
 846 void BitcoinGUI::gotoHistoryPage()
 847 {
 848     historyAction->setChecked(true);
 849     centralWidget->setCurrentWidget(transactionsPage);
 850
 851     exportAction->setEnabled(true);
 852     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 853     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 854 }
 855
 856 void BitcoinGUI::gotoMintingPage()
 857 {
 858     mintingAction->setChecked(true);
 859     centralWidget->setCurrentWidget(mintingPage);
 860
 861     exportAction->setEnabled(true);
 862     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 863     connect(exportAction, SIGNAL(triggered()), mintingView, SLOT(exportClicked()));
 864 }
 865
 866
 867 void BitcoinGUI::gotoAddressBookPage()
 868 {
 869     addressBookAction->setChecked(true);
 870     centralWidget->setCurrentWidget(addressBookPage);
 871
 872     exportAction->setEnabled(true);
 873     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 874     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 875 }
 876
 877 void BitcoinGUI::gotoReceiveCoinsPage()
 878 {
 879     receiveCoinsAction->setChecked(true);
 880     centralWidget->setCurrentWidget(receiveCoinsPage);
 881
 882     exportAction->setEnabled(true);
 883     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 884     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 885 }
 886
 887 void BitcoinGUI::gotoSendCoinsPage()
 888 {
 889     sendCoinsAction->setChecked(true);
 890     centralWidget->setCurrentWidget(sendCoinsPage);
 891
 892     exportAction->setEnabled(false);
 893     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 894 }
 895
 896 void BitcoinGUI::gotoSignMessageTab(QString addr)
 897 {
 898     // call show() in showTab_SM()
 899     signVerifyMessageDialog->showTab_SM(true);
 900
 901     if(!addr.isEmpty())
 902         signVerifyMessageDialog->setAddress_SM(addr);
 903 }
 904
 905 void BitcoinGUI::gotoVerifyMessageTab(QString addr)
 906 {
 907     // call show() in showTab_VM()
 908     signVerifyMessageDialog->showTab_VM(true);
 909
 910     if(!addr.isEmpty())
 911         signVerifyMessageDialog->setAddress_VM(addr);
 912 }
 913
 914 void BitcoinGUI::gotoSecondAuthPage(QString addr)
 915 {
 916     secondAuthDialog->show();
 917     secondAuthDialog->raise();
 918     secondAuthDialog->activateWindow();
 919 }
 920
 921 void BitcoinGUI::gotoMultisigPage()
 922 {
 923     multisigPage->show();
 924     multisigPage->raise();
 925     multisigPage->activateWindow();
 926 }
 927
 928 void BitcoinGUI::dragEnterEvent(QDragEnterEvent *event)
 929 {
 930     // Accept only URIs
 931     if(event->mimeData()->hasUrls())
 932         event->acceptProposedAction();
 933 }
 934
 935 void BitcoinGUI::dropEvent(QDropEvent *event)
 936 {
 937     if(event->mimeData()->hasUrls())
 938     {
 939         int nValidUrisFound = 0;
 940         QList<QUrl> uris = event->mimeData()->urls();
 941         foreach(const QUrl &uri, uris)
 942         {
 943             if (sendCoinsPage->handleURI(uri.toString()))
 944                 nValidUrisFound++;
 945         }
 946
 947         // if valid URIs were found
 948         if (nValidUrisFound)
 949             gotoSendCoinsPage();
 950         else
 951             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."));
 952     }
 953
 954     event->acceptProposedAction();
 955 }
 956
 957 void BitcoinGUI::handleURI(QString strURI)
 958 {
 959     // URI has to be valid
 960     if (sendCoinsPage->handleURI(strURI))
 961     {
 962         showNormalIfMinimized();
 963         gotoSendCoinsPage();
 964     }
 965     else
 966         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."));
 967 }
 968
 969 void BitcoinGUI::setEncryptionStatus(int status)
 970 {
 971     switch(status)
 972     {
 973     case WalletModel::Unencrypted:
 974         labelEncryptionIcon->hide();
 975         encryptWalletAction->setChecked(false);
 976         changePassphraseAction->setEnabled(false);
 977         lockWalletAction->setEnabled(false);
 978         unlockWalletAction->setEnabled(false);
 979         unlockWalletMiningAction->setEnabled(false);
 980         encryptWalletAction->setEnabled(true);
 981         break;
 982     case WalletModel::Unlocked:
 983         labelEncryptionIcon->show();
 984         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 985         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>unlocked</b>"));
 986         encryptWalletAction->setChecked(true);
 987         changePassphraseAction->setEnabled(true);
 988         encryptWalletAction->setEnabled(true);
 989
 990         lockWalletAction->setEnabled(true);
 991         lockWalletAction->setChecked(false);
 992         unlockWalletAction->setEnabled(false);
 993         unlockWalletMiningAction->setEnabled(false);
 994
 995         if (fWalletUnlockMintOnly)
 996             unlockWalletMiningAction->setChecked(true);
 997         else
 998             unlockWalletAction->setChecked(true);
 999
1000         break;
1001     case WalletModel::Locked:
1002         labelEncryptionIcon->show();
1003         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
1004         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>locked</b>"));
1005         encryptWalletAction->setChecked(true);
1006         changePassphraseAction->setEnabled(true);
1007         encryptWalletAction->setEnabled(true);
1008
1009         lockWalletAction->setChecked(true);
1010         unlockWalletAction->setChecked(false);
1011         unlockWalletMiningAction->setChecked(false);
1012
1013         lockWalletAction->setEnabled(false);
1014         unlockWalletAction->setEnabled(true);
1015         unlockWalletMiningAction->setEnabled(true);
1016         break;
1017     }
1018 }
1019
1020 void BitcoinGUI::encryptWallet(bool status)
1021 {
1022     if(!walletModel)
1023         return;
1024     AskPassphraseDialog dlg(status ? AskPassphraseDialog::Encrypt:
1025                                      AskPassphraseDialog::Decrypt, this);
1026     dlg.setModel(walletModel);
1027     dlg.exec();
1028
1029     setEncryptionStatus(walletModel->getEncryptionStatus());
1030 }
1031
1032 void BitcoinGUI::unlockWalletMining(bool status)
1033 {
1034     if(!walletModel)
1035         return;
1036
1037     // Unlock wallet when requested by wallet model
1038     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
1039     {
1040         AskPassphraseDialog dlg(AskPassphraseDialog::UnlockMining, this);
1041         dlg.setModel(walletModel);
1042         dlg.exec();
1043     }
1044 }
1045
1046 void BitcoinGUI::backupWallet()
1047 {
1048 #if QT_VERSION < 0x050000
1049     QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1050 #else
1051     QString saveDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1052 #endif
1053     QString filename = QFileDialog::getSaveFileName(this, tr("Backup Wallet"), saveDir, tr("Wallet Data (*.dat)"));
1054     if(!filename.isEmpty()) {
1055         if(!walletModel->backupWallet(filename)) {
1056             QMessageBox::warning(this, tr("Backup Failed"), tr("There was an error trying to save the wallet data to the new location."));
1057         }
1058     }
1059 }
1060
1061 void BitcoinGUI::dumpWallet()
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 saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1075 #else
1076     QString saveDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1077 #endif
1078     QString filename = QFileDialog::getSaveFileName(this, tr("Dump Wallet"), saveDir, tr("Wallet dump (*.txt)"));
1079     if(!filename.isEmpty()) {
1080         if(!walletModel->dumpWallet(filename)) {
1081             message(tr("Dump failed"),
1082                          tr("An error happened while trying to save the keys to your location.\n"
1083                             "Keys were not saved.")
1084                       ,CClientUIInterface::MSG_ERROR);
1085         }
1086         else
1087           message(tr("Dump successful"),
1088                        tr("Keys were saved to this file:\n%2")
1089                        .arg(filename)
1090                       ,CClientUIInterface::MSG_INFORMATION);
1091     }
1092 }
1093
1094 void BitcoinGUI::importWallet()
1095 {
1096    if(!walletModel)
1097       return;
1098
1099    WalletModel::UnlockContext ctx(walletModel->requestUnlock());
1100    if(!ctx.isValid())
1101    {
1102        // Unlock wallet failed or was cancelled
1103        return;
1104    }
1105
1106 #if QT_VERSION < 0x050000
1107     QString openDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1108 #else
1109     QString openDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1110 #endif
1111     QString filename = QFileDialog::getOpenFileName(this, tr("Import Wallet"), openDir, tr("Wallet dump (*.txt)"));
1112     if(!filename.isEmpty()) {
1113         if(!walletModel->importWallet(filename)) {
1114             message(tr("Import Failed"),
1115                          tr("An error happened while trying to import the keys.\n"
1116                             "Some or all keys from:\n %1,\n were not imported into your wallet.")
1117                          .arg(filename)
1118                       ,CClientUIInterface::MSG_ERROR);
1119         }
1120         else
1121           message(tr("Import Successful"),
1122                        tr("All keys from:\n %1,\n were imported into your wallet.")
1123                        .arg(filename)
1124                       ,CClientUIInterface::MSG_INFORMATION);
1125     }
1126 }
1127
1128
1129 void BitcoinGUI::changePassphrase()
1130 {
1131     AskPassphraseDialog dlg(AskPassphraseDialog::ChangePass, this);
1132     dlg.setModel(walletModel);
1133     dlg.exec();
1134 }
1135
1136 void BitcoinGUI::unlockWallet()
1137 {
1138     if(!walletModel)
1139         return;
1140     // Unlock wallet when requested by wallet model
1141     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
1142     {
1143         AskPassphraseDialog dlg(AskPassphraseDialog::Unlock, this);
1144         dlg.setModel(walletModel);
1145         dlg.exec();
1146     }
1147 }
1148
1149 void BitcoinGUI::lockWallet()
1150 {
1151     if(!walletModel)
1152         return;
1153
1154     walletModel->setWalletLocked(true);
1155 }
1156
1157 void BitcoinGUI::showNormalIfMinimized(bool fToggleHidden)
1158 {
1159     // activateWindow() (sometimes) helps with keyboard focus on Windows
1160     if (isHidden())
1161     {
1162         // Make sure the window is not minimized
1163         setWindowState(windowState() & (~Qt::WindowMinimized | Qt::WindowActive));
1164         // Then show it
1165         show();
1166         raise();
1167         activateWindow();
1168     }
1169     else if (isMinimized())
1170     {
1171         showNormal();
1172         raise();
1173         activateWindow();
1174     }
1175     else if (GUIUtil::isObscured(this))
1176     {
1177         raise();
1178         activateWindow();
1179         if(fToggleHidden)
1180         {
1181             Sleep(1);
1182             if (GUIUtil::isObscured(this))
1183                 hide();
1184         }
1185     }
1186     else if(fToggleHidden)
1187         hide();
1188 }
1189
1190 void BitcoinGUI::toggleHidden()
1191 {
1192     showNormalIfMinimized(true);
1193 }
1194
1195 void BitcoinGUI::error(const QString &title, const QString &message, bool modal)
1196 {
1197     // Report errors from network/worker thread
1198     if(modal)
1199     {
1200         QMessageBox::critical(this, title, message, QMessageBox::Ok, QMessageBox::Ok);
1201     } else {
1202         notificator->notify(Notificator::Critical, title, message);
1203     }
1204 }