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     aboutQtAction(0),
  89     trayIcon(0),
  90     notificator(0),
  91     rpcConsole(0),
  92     aboutDialog(0),
  93     optionsDialog(0)
  94 {
  95     resize(850, 550);
  96     setWindowTitle(tr("NovaCoin") + " - " + tr("Wallet"));
  97 #ifndef Q_OS_MAC
  98     qApp->setWindowIcon(QIcon(":icons/bitcoin"));
  99     setWindowIcon(QIcon(":icons/bitcoin"));
 100 #else
 101     setUnifiedTitleAndToolBarOnMac(true);
 102     QApplication::setAttribute(Qt::AA_DontShowIconsInMenus);
 103 #endif
 104     // Accept D&D of URIs
 105     setAcceptDrops(true);
 106
 107     // Create actions for the toolbar, menu bar and tray/dock icon
 108     createActions();
 109
 110     // Create application menu bar
 111     createMenuBar();
 112
 113     // Create the toolbars
 114     createToolBars();
 115
 116     // Create the tray icon (or setup the dock icon)
 117     createTrayIcon();
 118
 119     // Create tabs
 120     overviewPage = new OverviewPage();
 121
 122     transactionsPage = new QWidget(this);
 123     QVBoxLayout *vbox = new QVBoxLayout();
 124     transactionView = new TransactionView(this);
 125     vbox->addWidget(transactionView);
 126     transactionsPage->setLayout(vbox);
 127
 128     mintingPage = new QWidget(this);
 129     QVBoxLayout *vboxMinting = new QVBoxLayout();
 130     mintingView = new MintingView(this);
 131     vboxMinting->addWidget(mintingView);
 132     mintingPage->setLayout(vboxMinting);
 133
 134     addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
 135
 136     receiveCoinsPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab);
 137
 138     sendCoinsPage = new SendCoinsDialog(this);
 139
 140     signVerifyMessageDialog = new SignVerifyMessageDialog(0);
 141
 142     secondAuthDialog = new SecondAuthDialog(0);
 143
 144     multisigPage = new MultisigDialog(0);
 145
 146     centralWidget = new QStackedWidget(this);
 147     centralWidget->addWidget(overviewPage);
 148     centralWidget->addWidget(transactionsPage);
 149     centralWidget->addWidget(mintingPage);
 150     centralWidget->addWidget(addressBookPage);
 151     centralWidget->addWidget(receiveCoinsPage);
 152     centralWidget->addWidget(sendCoinsPage);
 153     setCentralWidget(centralWidget);
 154
 155     // Create status bar
 156     statusBar();
 157
 158     // Status bar notification icons
 159     QFrame *frameBlocks = new QFrame();
 160     frameBlocks->setContentsMargins(0,0,0,0);
 161     frameBlocks->setMinimumWidth(72);
 162     frameBlocks->setMaximumWidth(72);
 163     QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
 164     frameBlocksLayout->setContentsMargins(3,0,3,0);
 165     frameBlocksLayout->setSpacing(3);
 166     labelEncryptionIcon = new QLabel();
 167     labelMiningIcon = new QLabel();
 168     labelConnectionsIcon = new QLabel();
 169     labelBlocksIcon = new QLabel();
 170     frameBlocksLayout->addStretch();
 171     frameBlocksLayout->addWidget(labelEncryptionIcon);
 172     frameBlocksLayout->addStretch();
 173     frameBlocksLayout->addWidget(labelMiningIcon);
 174     frameBlocksLayout->addStretch();
 175     frameBlocksLayout->addWidget(labelConnectionsIcon);
 176     frameBlocksLayout->addStretch();
 177     frameBlocksLayout->addWidget(labelBlocksIcon);
 178     frameBlocksLayout->addStretch();
 179
 180     // Progress bar and label for blocks download
 181     progressBarLabel = new QLabel();
 182     progressBarLabel->setVisible(false);
 183     progressBar = new QProgressBar();
 184     progressBar->setAlignment(Qt::AlignCenter);
 185     progressBar->setVisible(false);
 186
 187     // Override style sheet for progress bar for styles that have a segmented progress bar,
 188     // as they make the text unreadable (workaround for issue #1071)
 189     // See https://qt-project.org/doc/qt-4.8/gallery.html
 190     QString curStyle = qApp->style()->metaObject()->className();
 191     if(curStyle == "QWindowsStyle" || curStyle == "QWindowsXPStyle")
 192     {
 193         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; }");
 194     }
 195
 196     statusBar()->addWidget(progressBarLabel);
 197     statusBar()->addWidget(progressBar);
 198     statusBar()->addPermanentWidget(frameBlocks);
 199
 200     syncIconMovie = new QMovie(":/movies/update_spinner", "mng", this);
 201
 202     // Clicking on a transaction on the overview page simply sends you to transaction history page
 203     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), this, SLOT(gotoHistoryPage()));
 204     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), transactionView, SLOT(focusTransaction(QModelIndex)));
 205
 206     // Double-clicking on a transaction on the transaction history page shows details
 207     connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
 208
 209     rpcConsole = new RPCConsole(0);
 210     connect(openRPCConsoleAction, SIGNAL(triggered()), rpcConsole, SLOT(show()));
 211     connect(openRPCConsoleAction, SIGNAL(triggered()), rpcConsole, SLOT(raise()));
 212
 213     aboutDialog = new AboutDialog(0);
 214     optionsDialog = new OptionsDialog(0);
 215
 216     // Clicking on "Verify Message" in the address book sends you to the verify message tab
 217     connect(addressBookPage, SIGNAL(verifyMessage(QString)), this, SLOT(gotoVerifyMessageTab(QString)));
 218     // Clicking on "Sign Message" in the receive coins page sends you to the sign message tab
 219     connect(receiveCoinsPage, SIGNAL(signMessage(QString)), this, SLOT(gotoSignMessageTab(QString)));
 220
 221     gotoOverviewPage();
 222 }
 223
 224 BitcoinGUI::~BitcoinGUI()
 225 {
 226     if(trayIcon) // Hide tray icon, as deleting will let it linger until quit (on Ubuntu)
 227         trayIcon->hide();
 228 #ifdef Q_OS_MAC
 229     delete appMenuBar;
 230 #endif
 231
 232     delete rpcConsole;
 233     delete aboutDialog;
 234     delete optionsDialog;
 235     delete multisigPage;
 236     delete secondAuthDialog;
 237     delete signVerifyMessageDialog;
 238 }
 239
 240 void BitcoinGUI::createActions()
 241 {
 242     QActionGroup *tabGroup = new QActionGroup(this);
 243
 244     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 245     overviewAction->setToolTip(tr("Show general overview of wallet"));
 246     overviewAction->setCheckable(true);
 247     overviewAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_1));
 248     tabGroup->addAction(overviewAction);
 249
 250     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 251     sendCoinsAction->setToolTip(tr("Send coins to a NovaCoin address"));
 252     sendCoinsAction->setCheckable(true);
 253     sendCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_2));
 254     tabGroup->addAction(sendCoinsAction);
 255
 256     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 257     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 258     receiveCoinsAction->setCheckable(true);
 259     receiveCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_3));
 260     tabGroup->addAction(receiveCoinsAction);
 261
 262     historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
 263     historyAction->setToolTip(tr("Browse transaction history"));
 264     historyAction->setCheckable(true);
 265     historyAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_4));
 266     tabGroup->addAction(historyAction);
 267
 268     mintingAction = new QAction(QIcon(":/icons/history"), tr("&Minting"), this);
 269     mintingAction->setToolTip(tr("Show your minting capacity"));
 270     mintingAction->setCheckable(true);
 271     mintingAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_5));
 272     tabGroup->addAction(mintingAction);
 273
 274     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 275     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 276     addressBookAction->setCheckable(true);
 277     addressBookAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_6));
 278     tabGroup->addAction(addressBookAction);
 279
 280     multisigAction = new QAction(QIcon(":/icons/send"), tr("Multisig"), this);
 281     multisigAction->setStatusTip(tr("Open window for working with multisig addresses"));
 282     tabGroup->addAction(multisigAction);
 283
 284     connect(overviewAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 285     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 286     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 287     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 288     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 289     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 290     connect(historyAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 291     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 292     connect(mintingAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 293     connect(mintingAction, SIGNAL(triggered()), this, SLOT(gotoMintingPage()));
 294     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 295     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 296     connect(multisigAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 297     connect(multisigAction, SIGNAL(triggered()), this, SLOT(gotoMultisigPage()));
 298
 299     quitAction = new QAction(QIcon(":/icons/quit"), tr("E&xit"), this);
 300     quitAction->setStatusTip(tr("Quit application"));
 301     quitAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 302     quitAction->setMenuRole(QAction::QuitRole);
 303     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About NovaCoin"), this);
 304     aboutAction->setStatusTip(tr("Show information about NovaCoin"));
 305     aboutAction->setMenuRole(QAction::AboutRole);
 306 #if QT_VERSION < 0x050000
 307     aboutQtAction = new QAction(QIcon(":/trolltech/qmessagebox/images/qtlogo-64.png"), tr("About &Qt"), this);
 308 #else
 309     aboutQtAction = new QAction(QIcon(":/qt-project.org/qmessagebox/images/qtlogo-64.png"), tr("About &Qt"), this);
 310 #endif
 311     aboutQtAction->setStatusTip(tr("Show information about Qt"));
 312     aboutQtAction->setMenuRole(QAction::AboutQtRole);
 313     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 314     optionsAction->setStatusTip(tr("Modify configuration options for NovaCoin"));
 315     optionsAction->setMenuRole(QAction::PreferencesRole);
 316     toggleHideAction = new QAction(QIcon(":/icons/bitcoin"), tr("&Show / Hide"), this);
 317     encryptWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Encrypt Wallet..."), this);
 318     encryptWalletAction->setStatusTip(tr("Encrypt or decrypt wallet"));
 319     encryptWalletAction->setCheckable(true);
 320     backupWalletAction = new QAction(QIcon(":/icons/filesave"), tr("&Backup Wallet..."), this);
 321     backupWalletAction->setStatusTip(tr("Backup wallet to another location"));
 322     dumpWalletAction = new QAction(QIcon(":/icons/dump"), tr("&Dump Wallet..."), this);
 323     dumpWalletAction->setStatusTip(tr("Dump keys to a text file"));
 324     importWalletAction = new QAction(QIcon(":/icons/import"), tr("&Import Wallet..."), this);
 325     importWalletAction->setStatusTip(tr("Import keys into a wallet"));
 326     changePassphraseAction = new QAction(QIcon(":/icons/key"), tr("&Change Passphrase..."), this);
 327     changePassphraseAction->setStatusTip(tr("Change the passphrase used for wallet encryption"));
 328     signMessageAction = new QAction(QIcon(":/icons/edit"), tr("Sign &message..."), this);
 329     signMessageAction->setStatusTip(tr("Sign messages with your Novacoin addresses to prove you own them"));
 330     verifyMessageAction = new QAction(QIcon(":/icons/transaction_0"), tr("&Verify message..."), this);
 331     verifyMessageAction->setStatusTip(tr("Verify messages to ensure they were signed with specified Novacoin addresses"));
 332     secondAuthAction = new QAction(QIcon(":/icons/key"), tr("Second &auth..."), this);
 333     secondAuthAction->setStatusTip(tr("Second auth with your Novacoin addresses"));
 334
 335     lockWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Lock wallet"), this);
 336     lockWalletAction->setStatusTip(tr("Lock wallet"));
 337     lockWalletAction->setCheckable(true);
 338
 339     unlockWalletAction = new QAction(QIcon(":/icons/lock_open"), tr("Unlo&ck wallet"), this);
 340     unlockWalletAction->setStatusTip(tr("Unlock wallet"));
 341     unlockWalletAction->setCheckable(true);
 342
 343     unlockWalletMiningAction = new QAction(QIcon(":/icons/mining_active"), tr("Unlo&ck wallet for mining"), this);
 344     unlockWalletMiningAction->setStatusTip(tr("Unlock wallet for mining"));
 345     unlockWalletMiningAction->setCheckable(true);
 346
 347     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
 348     exportAction->setStatusTip(tr("Export the data in the current tab to a file"));
 349     openRPCConsoleAction = new QAction(QIcon(":/icons/debugwindow"), tr("&Debug window"), this);
 350     openRPCConsoleAction->setStatusTip(tr("Open debugging and diagnostic console"));
 351
 352     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
 353     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 354     connect(aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
 355     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 356     connect(toggleHideAction, SIGNAL(triggered()), this, SLOT(toggleHidden()));
 357     connect(encryptWalletAction, SIGNAL(triggered(bool)), this, SLOT(encryptWallet(bool)));
 358     connect(lockWalletAction, SIGNAL(triggered(bool)), this, SLOT(lockWallet()));
 359     connect(unlockWalletAction, SIGNAL(triggered(bool)), this, SLOT(unlockWallet()));
 360     connect(unlockWalletMiningAction, SIGNAL(triggered(bool)), this, SLOT(unlockWalletMining(bool)));
 361     connect(backupWalletAction, SIGNAL(triggered()), this, SLOT(backupWallet()));
 362     connect(dumpWalletAction, SIGNAL(triggered()), this, SLOT(dumpWallet()));
 363     connect(importWalletAction, SIGNAL(triggered()), this, SLOT(importWallet()));
 364     connect(changePassphraseAction, SIGNAL(triggered()), this, SLOT(changePassphrase()));
 365     connect(signMessageAction, SIGNAL(triggered()), this, SLOT(gotoSignMessageTab()));
 366     connect(verifyMessageAction, SIGNAL(triggered()), this, SLOT(gotoVerifyMessageTab()));
 367     connect(secondAuthAction, SIGNAL(triggered()), this, SLOT(gotoSecondAuthPage()));
 368 }
 369
 370 void BitcoinGUI::createMenuBar()
 371 {
 372 #ifdef Q_OS_MAC
 373     // Create a decoupled menu bar on Mac which stays even if the window is closed
 374     appMenuBar = new QMenuBar();
 375 #else
 376     // Get the main window's menu bar on other platforms
 377     appMenuBar = menuBar();
 378 #endif
 379
 380     // Configure the menus
 381     QMenu *file = appMenuBar->addMenu(tr("&File"));
 382     file->addAction(backupWalletAction);
 383     file->addSeparator();
 384     file->addAction(dumpWalletAction);
 385     file->addAction(importWalletAction);
 386     file->addAction(exportAction);
 387     file->addAction(signMessageAction);
 388     file->addAction(verifyMessageAction);
 389     file->addAction(secondAuthAction);
 390     file->addAction(multisigAction);
 391     file->addSeparator();
 392     file->addAction(quitAction);
 393
 394     QMenu *settings = appMenuBar->addMenu(tr("&Settings"));
 395     QMenu *securityMenu = settings->addMenu(QIcon(":/icons/key"), tr("&Wallet security"));
 396     securityMenu->addAction(encryptWalletAction);
 397     securityMenu->addAction(changePassphraseAction);
 398     securityMenu->addAction(unlockWalletAction);
 399     securityMenu->addAction(unlockWalletMiningAction);
 400     securityMenu->addAction(lockWalletAction);
 401     settings->addAction(optionsAction);
 402
 403     QMenu *help = appMenuBar->addMenu(tr("&Help"));
 404     help->addAction(openRPCConsoleAction);
 405     help->addSeparator();
 406     help->addAction(aboutAction);
 407     help->addAction(aboutQtAction);
 408 }
 409
 410 void BitcoinGUI::createToolBars()
 411 {
 412     QToolBar *toolbar = addToolBar(tr("Tabs toolbar"));
 413     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 414     toolbar->addAction(overviewAction);
 415     toolbar->addAction(sendCoinsAction);
 416     toolbar->addAction(receiveCoinsAction);
 417     toolbar->addAction(historyAction);
 418     toolbar->addAction(mintingAction);
 419     toolbar->addAction(addressBookAction);
 420
 421     QToolBar *toolbar2 = addToolBar(tr("Actions toolbar"));
 422     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 423     toolbar2->addAction(exportAction);
 424     toolbar2->setVisible(false);
 425
 426 }
 427
 428 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 429 {
 430     this->clientModel = clientModel;
 431     if(clientModel)
 432     {
 433         // Replace some strings and icons, when using the testnet
 434         if(clientModel->isTestNet())
 435         {
 436             setWindowTitle(windowTitle() + QString(" ") + tr("[testnet]"));
 437 #ifndef Q_OS_MAC
 438             qApp->setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 439             setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 440 #else
 441             MacDockIconHandler::instance()->setIcon(QIcon(":icons/bitcoin_testnet"));
 442 #endif
 443             if(trayIcon)
 444             {
 445                 trayIcon->setToolTip(tr("NovaCoin client") + QString(" ") + tr("[testnet]"));
 446                 trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 447                 toggleHideAction->setIcon(QIcon(":/icons/toolbar_testnet"));
 448             }
 449
 450             aboutAction->setIcon(QIcon(":/icons/toolbar_testnet"));
 451         }
 452
 453         // Keep up to date with client
 454         setNumConnections(clientModel->getNumConnections());
 455         connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 456
 457         setNumBlocks(clientModel->getNumBlocks(), clientModel->getNumBlocksOfPeers());
 458         connect(clientModel, SIGNAL(numBlocksChanged(int,int)), this, SLOT(setNumBlocks(int,int)));
 459
 460         QTimer *timer = new QTimer(this);
 461         connect(timer, SIGNAL(timeout()), this, SLOT(updateMining()));
 462         timer->start(10*1000); //10 seconds
 463
 464         // Report errors from network/worker thread
 465         connect(clientModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
 466
 467         rpcConsole->setClientModel(clientModel);
 468         addressBookPage->setOptionsModel(clientModel->getOptionsModel());
 469         receiveCoinsPage->setOptionsModel(clientModel->getOptionsModel());
 470     }
 471 }
 472
 473 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 474 {
 475     this->walletModel = walletModel;
 476     if(walletModel)
 477     {
 478         // Report errors from wallet thread
 479         connect(walletModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
 480
 481         // Put transaction list in tabs
 482         transactionView->setModel(walletModel);
 483         mintingView->setModel(walletModel);
 484
 485         overviewPage->setModel(walletModel);
 486         addressBookPage->setModel(walletModel->getAddressTableModel());
 487         receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 488         sendCoinsPage->setModel(walletModel);
 489         signVerifyMessageDialog->setModel(walletModel);
 490         secondAuthDialog->setModel(walletModel);
 491         multisigPage->setModel(walletModel);
 492
 493         setEncryptionStatus(walletModel->getEncryptionStatus());
 494         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
 495         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(updateMining()));
 496
 497         // Balloon pop-up for new transaction
 498         connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 499                 this, SLOT(incomingTransaction(QModelIndex,int,int)));
 500
 501         // Ask for passphrase if needed
 502         connect(walletModel, SIGNAL(requireUnlock()), this, SLOT(unlockWallet()));
 503     }
 504 }
 505
 506 void BitcoinGUI::createTrayIcon()
 507 {
 508     QMenu *trayIconMenu;
 509 #ifndef Q_OS_MAC
 510     trayIcon = new QSystemTrayIcon(this);
 511     trayIconMenu = new QMenu(this);
 512     trayIcon->setContextMenu(trayIconMenu);
 513     trayIcon->setToolTip(tr("NovaCoin client"));
 514     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 515     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 516             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 517     trayIcon->show();
 518 #else
 519     // Note: On Mac, the dock icon is used to provide the tray's functionality.
 520     MacDockIconHandler *dockIconHandler = MacDockIconHandler::instance();
 521     dockIconHandler->setMainWindow((QMainWindow *)this);
 522     trayIconMenu = dockIconHandler->dockMenu();
 523 #endif
 524
 525     // Configuration of the tray icon (or dock icon) icon menu
 526     trayIconMenu->addAction(toggleHideAction);
 527     trayIconMenu->addSeparator();
 528     trayIconMenu->addAction(sendCoinsAction);
 529     trayIconMenu->addAction(multisigAction);
 530     trayIconMenu->addAction(receiveCoinsAction);
 531     trayIconMenu->addSeparator();
 532     trayIconMenu->addAction(signMessageAction);
 533     trayIconMenu->addAction(verifyMessageAction);
 534     trayIconMenu->addAction(secondAuthAction);
 535     trayIconMenu->addSeparator();
 536     trayIconMenu->addAction(optionsAction);
 537     trayIconMenu->addAction(openRPCConsoleAction);
 538 #ifndef Q_OS_MAC
 539     // This is built-in on Mac
 540     trayIconMenu->addSeparator();
 541     trayIconMenu->addAction(quitAction);
 542 #endif
 543     notificator = new Notificator(QApplication::applicationName(), trayIcon, this);
 544 }
 545
 546 #ifndef Q_OS_MAC
 547 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 548 {
 549     if(reason == QSystemTrayIcon::Trigger)
 550     {
 551         // Click on system tray icon triggers show/hide of the main window
 552         toggleHideAction->trigger();
 553     }
 554 }
 555 #endif
 556
 557 void BitcoinGUI::optionsClicked()
 558 {
 559     if(!clientModel || !clientModel->getOptionsModel())
 560         return;
 561
 562     optionsDialog->setModel(clientModel->getOptionsModel());
 563     optionsDialog->setWindowModality(Qt::ApplicationModal);
 564     optionsDialog->show();
 565 }
 566
 567 void BitcoinGUI::aboutClicked()
 568 {
 569     aboutDialog->setModel(clientModel);
 570     aboutDialog->setWindowModality(Qt::ApplicationModal);
 571     aboutDialog->show();
 572 }
 573
 574 void BitcoinGUI::setNumConnections(int count)
 575 {
 576     QString icon;
 577     switch(count)
 578     {
 579     case 0: icon = ":/icons/connect_0"; break;
 580     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 581     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 582     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 583     default: icon = ":/icons/connect_4"; break;
 584     }
 585     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 586     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to NovaCoin network", "", count));
 587 }
 588
 589 void BitcoinGUI::setNumBlocks(int count, int nTotalBlocks)
 590 {
 591     // don't show / hide progress bar and its label if we have no connection to the network
 592     if (!clientModel || clientModel->getNumConnections() == 0)
 593     {
 594         progressBarLabel->setVisible(false);
 595         progressBar->setVisible(false);
 596
 597         return;
 598     }
 599
 600     QString strStatusBarWarnings = clientModel->getStatusBarWarnings();
 601     QString tooltip;
 602
 603     if(count < nTotalBlocks)
 604     {
 605         int nRemainingBlocks = nTotalBlocks - count;
 606         float nPercentageDone = count / (nTotalBlocks * 0.01f);
 607
 608         if (strStatusBarWarnings.isEmpty())
 609         {
 610             progressBarLabel->setText(tr("Synchronizing with network..."));
 611             progressBarLabel->setVisible(true);
 612             progressBar->setFormat(tr("~%n block(s) remaining", "", nRemainingBlocks));
 613             progressBar->setMaximum(nTotalBlocks);
 614             progressBar->setValue(count);
 615             progressBar->setVisible(true);
 616         }
 617
 618         tooltip = tr("Downloaded %1 of %2 blocks of transaction history (%3% done).").arg(count).arg(nTotalBlocks).arg(nPercentageDone, 0, 'f', 2);
 619     }
 620     else
 621     {
 622         if (strStatusBarWarnings.isEmpty())
 623             progressBarLabel->setVisible(false);
 624
 625         progressBar->setVisible(false);
 626         tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
 627     }
 628
 629     // Override progressBarLabel text and hide progress bar, when we have warnings to display
 630     if (!strStatusBarWarnings.isEmpty())
 631     {
 632         progressBarLabel->setText(strStatusBarWarnings);
 633         progressBarLabel->setVisible(true);
 634         progressBar->setVisible(false);
 635     }
 636
 637     tooltip = tr("Current PoW difficulty is %1.").arg(clientModel->getDifficulty(false)) + QString("<br>") + tooltip;
 638     tooltip = tr("Current PoS difficulty is %1.").arg(clientModel->getDifficulty(true)) + QString("<br>") + tooltip;
 639
 640     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 641     int secs = lastBlockDate.secsTo(QDateTime::currentDateTime());
 642     QString text;
 643
 644     // Represent time from last generated block in human readable text
 645     if(secs <= 0)
 646     {
 647         // Fully up to date. Leave text empty.
 648     }
 649     else if(secs < 60)
 650     {
 651         text = tr("%n second(s) ago","",secs);
 652     }
 653     else if(secs < 60*60)
 654     {
 655         text = tr("%n minute(s) ago","",secs/60);
 656     }
 657     else if(secs < 24*60*60)
 658     {
 659         text = tr("%n hour(s) ago","",secs/(60*60));
 660     }
 661     else
 662     {
 663         text = tr("%n day(s) ago","",secs/(60*60*24));
 664     }
 665
 666     // Set icon state: spinning if catching up, tick otherwise
 667     if(secs < 90*60 && count >= nTotalBlocks)
 668     {
 669         tooltip = tr("Up to date") + QString(".<br>") + tooltip;
 670         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE, STATUSBAR_ICONSIZE));
 671
 672         overviewPage->showOutOfSyncWarning(false);
 673     }
 674     else
 675     {
 676         tooltip = tr("Catching up...") + QString("<br>") + tooltip;
 677         labelBlocksIcon->setMovie(syncIconMovie);
 678         syncIconMovie->start();
 679
 680         overviewPage->showOutOfSyncWarning(true);
 681     }
 682
 683     if(!text.isEmpty())
 684     {
 685         tooltip += QString("<br>");
 686         tooltip += tr("Last received block was generated %1.").arg(text);
 687     }
 688
 689     // Don't word-wrap this (fixed-width) tooltip
 690     tooltip = QString("<nobr>") + tooltip + QString("</nobr>");
 691
 692     labelBlocksIcon->setToolTip(tooltip);
 693     progressBarLabel->setToolTip(tooltip);
 694     progressBar->setToolTip(tooltip);
 695 }
 696
 697 void BitcoinGUI::updateMining()
 698 {
 699    if(!walletModel)
 700       return;
 701
 702     labelMiningIcon->setPixmap(QIcon(":/icons/mining_inactive").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 703
 704     if (!clientModel->getNumConnections())
 705     {
 706         labelMiningIcon->setToolTip(tr("Wallet is offline"));
 707         return;
 708     }
 709
 710     if (walletModel->getEncryptionStatus() == WalletModel::Locked)
 711     {
 712         labelMiningIcon->setToolTip(tr("Wallet is locked"));
 713         return;
 714     }
 715
 716     if (clientModel->inInitialBlockDownload() || clientModel->getNumBlocksOfPeers() > clientModel->getNumBlocks())
 717     {
 718         labelMiningIcon->setToolTip(tr("Blockchain download is in progress"));
 719         return;
 720     }
 721
 722     if (nStakeInputsMapSize > 0)
 723     {
 724         labelMiningIcon->setPixmap(QIcon(":/icons/mining_active").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 725
 726         uint64_t nNetworkWeight = clientModel->getPoSKernelPS();
 727
 728         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>"));
 729     }
 730     else
 731         labelMiningIcon->setToolTip(tr("No suitable inputs were found"));
 732 }
 733
 734 void BitcoinGUI::message(const QString &title, const QString &message, unsigned int style, const QString &detail)
 735 {
 736     QString strTitle = tr("NovaCoin") + " - ";
 737     // Default to information icon
 738     int nMBoxIcon = QMessageBox::Information;
 739     int nNotifyIcon = Notificator::Information;
 740
 741
 742     // Check for usage of predefined title
 743     switch (style) {
 744     case CClientUIInterface::MSG_ERROR:
 745         strTitle += tr("Error");
 746         break;
 747     case CClientUIInterface::MSG_WARNING:
 748         strTitle += tr("Warning");
 749         break;
 750     case CClientUIInterface::MSG_INFORMATION:
 751         strTitle += tr("Information");
 752         break;
 753     default:
 754         strTitle += title; // Use supplied title
 755     }
 756
 757     // Check for error/warning icon
 758     if (style & CClientUIInterface::ICON_ERROR) {
 759         nMBoxIcon = QMessageBox::Critical;
 760         nNotifyIcon = Notificator::Critical;
 761     }
 762     else if (style & CClientUIInterface::ICON_WARNING) {
 763         nMBoxIcon = QMessageBox::Warning;
 764         nNotifyIcon = Notificator::Warning;
 765     }
 766
 767     // Display message
 768     if (style & CClientUIInterface::MODAL) {
 769         // Check for buttons, use OK as default, if none was supplied
 770         QMessageBox::StandardButton buttons;
 771         buttons = QMessageBox::Ok;
 772
 773         QMessageBox mBox((QMessageBox::Icon)nMBoxIcon, strTitle, message, buttons);
 774
 775         if(!detail.isEmpty()) { mBox.setDetailedText(detail); }
 776
 777         mBox.exec();
 778     }
 779     else
 780         notificator->notify((Notificator::Class)nNotifyIcon, strTitle, message);
 781 }
 782
 783
 784 void BitcoinGUI::changeEvent(QEvent *e)
 785 {
 786     QMainWindow::changeEvent(e);
 787 #ifndef Q_OS_MAC // Ignored on Mac
 788     if(e->type() == QEvent::WindowStateChange)
 789     {
 790         if(clientModel && clientModel->getOptionsModel()->getMinimizeToTray())
 791         {
 792             QWindowStateChangeEvent *wsevt = static_cast<QWindowStateChangeEvent*>(e);
 793             if(!(wsevt->oldState() & Qt::WindowMinimized) && isMinimized())
 794             {
 795                 QTimer::singleShot(0, this, SLOT(hide()));
 796                 e->ignore();
 797             }
 798         }
 799     }
 800 #endif
 801 }
 802
 803 void BitcoinGUI::closeEvent(QCloseEvent *event)
 804 {
 805     if(clientModel)
 806     {
 807 #ifndef Q_OS_MAC // Ignored on Mac
 808         if(!clientModel->getOptionsModel()->getMinimizeOnClose())
 809         {
 810             qApp->quit();
 811         }
 812 #endif
 813     }
 814     // close rpcConsole in case it was open to make some space for the shutdown window
 815     rpcConsole->close();
 816
 817     QMainWindow::closeEvent(event);
 818 }
 819
 820 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 821 {
 822     QString strMessage =
 823         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 824           "which goes to the nodes that process your transaction and helps to support the network.  "
 825           "Do you want to pay the fee?").arg(
 826                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 827     QMessageBox::StandardButton retval = QMessageBox::question(
 828           this, tr("Confirm transaction fee"), strMessage,
 829           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 830     *payFee = (retval == QMessageBox::Yes);
 831 }
 832
 833 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 834 {
 835     if(!walletModel || !clientModel)
 836         return;
 837     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 838     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 839                     .data(Qt::EditRole).toULongLong();
 840     if(!clientModel->inInitialBlockDownload())
 841     {
 842         // On new transaction, make an info balloon
 843         // Unless the initial block download is in progress, to prevent balloon-spam
 844         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 845                         .data().toString();
 846         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 847                         .data().toString();
 848         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 849                         .data().toString();
 850         QIcon icon = qvariant_cast<QIcon>(ttm->index(start,
 851                             TransactionTableModel::ToAddress, parent)
 852                         .data(Qt::DecorationRole));
 853
 854         notificator->notify(Notificator::Information,
 855                             (amount)<0 ? tr("Sent transaction") :
 856                                          tr("Incoming transaction"),
 857                               tr("Date: %1\n"
 858                                  "Amount: %2\n"
 859                                  "Type: %3\n"
 860                                  "Address: %4\n")
 861                               .arg(date)
 862                               .arg(BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true))
 863                               .arg(type)
 864                               .arg(address), icon);
 865     }
 866 }
 867
 868 void BitcoinGUI::gotoOverviewPage()
 869 {
 870     overviewAction->setChecked(true);
 871     centralWidget->setCurrentWidget(overviewPage);
 872
 873     exportAction->setEnabled(false);
 874     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 875 }
 876
 877 void BitcoinGUI::gotoHistoryPage()
 878 {
 879     historyAction->setChecked(true);
 880     centralWidget->setCurrentWidget(transactionsPage);
 881
 882     exportAction->setEnabled(true);
 883     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 884     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 885 }
 886
 887 void BitcoinGUI::gotoMintingPage()
 888 {
 889     mintingAction->setChecked(true);
 890     centralWidget->setCurrentWidget(mintingPage);
 891
 892     exportAction->setEnabled(true);
 893     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 894     connect(exportAction, SIGNAL(triggered()), mintingView, SLOT(exportClicked()));
 895 }
 896
 897
 898 void BitcoinGUI::gotoAddressBookPage()
 899 {
 900     addressBookAction->setChecked(true);
 901     centralWidget->setCurrentWidget(addressBookPage);
 902
 903     exportAction->setEnabled(true);
 904     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 905     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 906 }
 907
 908 void BitcoinGUI::gotoReceiveCoinsPage()
 909 {
 910     receiveCoinsAction->setChecked(true);
 911     centralWidget->setCurrentWidget(receiveCoinsPage);
 912
 913     exportAction->setEnabled(true);
 914     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 915     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 916 }
 917
 918 void BitcoinGUI::gotoSendCoinsPage()
 919 {
 920     sendCoinsAction->setChecked(true);
 921     centralWidget->setCurrentWidget(sendCoinsPage);
 922
 923     exportAction->setEnabled(false);
 924     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 925 }
 926
 927 void BitcoinGUI::gotoSignMessageTab(QString addr)
 928 {
 929     // call show() in showTab_SM()
 930     signVerifyMessageDialog->showTab_SM(true);
 931
 932     if(!addr.isEmpty())
 933         signVerifyMessageDialog->setAddress_SM(addr);
 934 }
 935
 936 void BitcoinGUI::gotoVerifyMessageTab(QString addr)
 937 {
 938     // call show() in showTab_VM()
 939     signVerifyMessageDialog->showTab_VM(true);
 940
 941     if(!addr.isEmpty())
 942         signVerifyMessageDialog->setAddress_VM(addr);
 943 }
 944
 945 void BitcoinGUI::gotoSecondAuthPage(QString addr)
 946 {
 947     secondAuthDialog->show();
 948     secondAuthDialog->raise();
 949     secondAuthDialog->activateWindow();
 950 }
 951
 952 void BitcoinGUI::gotoMultisigPage()
 953 {
 954     multisigPage->show();
 955     multisigPage->raise();
 956     multisigPage->activateWindow();
 957 }
 958
 959 void BitcoinGUI::dragEnterEvent(QDragEnterEvent *event)
 960 {
 961     // Accept only URIs
 962     if(event->mimeData()->hasUrls())
 963         event->acceptProposedAction();
 964 }
 965
 966 void BitcoinGUI::dropEvent(QDropEvent *event)
 967 {
 968     if(event->mimeData()->hasUrls())
 969     {
 970         int nValidUrisFound = 0;
 971         QList<QUrl> uris = event->mimeData()->urls();
 972         foreach(const QUrl &uri, uris)
 973         {
 974             if (sendCoinsPage->handleURI(uri.toString()))
 975                 nValidUrisFound++;
 976         }
 977
 978         // if valid URIs were found
 979         if (nValidUrisFound)
 980             gotoSendCoinsPage();
 981         else
 982             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."));
 983     }
 984
 985     event->acceptProposedAction();
 986 }
 987
 988 void BitcoinGUI::handleURI(QString strURI)
 989 {
 990     // URI has to be valid
 991     if (sendCoinsPage->handleURI(strURI))
 992     {
 993         showNormalIfMinimized();
 994         gotoSendCoinsPage();
 995     }
 996     else
 997         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."));
 998 }
 999
1000 void BitcoinGUI::setEncryptionStatus(int status)
1001 {
1002     switch(status)
1003     {
1004     case WalletModel::Unencrypted:
1005         labelEncryptionIcon->hide();
1006         encryptWalletAction->setChecked(false);
1007         changePassphraseAction->setEnabled(false);
1008         lockWalletAction->setEnabled(false);
1009         unlockWalletAction->setEnabled(false);
1010         unlockWalletMiningAction->setEnabled(false);
1011         encryptWalletAction->setEnabled(true);
1012         break;
1013     case WalletModel::Unlocked:
1014         labelEncryptionIcon->show();
1015         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
1016         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>unlocked</b>"));
1017         encryptWalletAction->setChecked(true);
1018         changePassphraseAction->setEnabled(true);
1019         encryptWalletAction->setEnabled(true);
1020
1021         lockWalletAction->setEnabled(true);
1022         lockWalletAction->setChecked(false);
1023         unlockWalletAction->setEnabled(false);
1024         unlockWalletMiningAction->setEnabled(false);
1025
1026         if (fWalletUnlockMintOnly)
1027             unlockWalletMiningAction->setChecked(true);
1028         else
1029             unlockWalletAction->setChecked(true);
1030
1031         break;
1032     case WalletModel::Locked:
1033         labelEncryptionIcon->show();
1034         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
1035         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>locked</b>"));
1036         encryptWalletAction->setChecked(true);
1037         changePassphraseAction->setEnabled(true);
1038         encryptWalletAction->setEnabled(true);
1039
1040         lockWalletAction->setChecked(true);
1041         unlockWalletAction->setChecked(false);
1042         unlockWalletMiningAction->setChecked(false);
1043
1044         lockWalletAction->setEnabled(false);
1045         unlockWalletAction->setEnabled(true);
1046         unlockWalletMiningAction->setEnabled(true);
1047         break;
1048     }
1049 }
1050
1051 void BitcoinGUI::encryptWallet(bool status)
1052 {
1053     if(!walletModel)
1054         return;
1055     AskPassphraseDialog dlg(status ? AskPassphraseDialog::Encrypt:
1056                                      AskPassphraseDialog::Decrypt, this);
1057     dlg.setModel(walletModel);
1058     dlg.exec();
1059
1060     setEncryptionStatus(walletModel->getEncryptionStatus());
1061 }
1062
1063 void BitcoinGUI::unlockWalletMining(bool status)
1064 {
1065     if(!walletModel)
1066         return;
1067
1068     // Unlock wallet when requested by wallet model
1069     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
1070     {
1071         AskPassphraseDialog dlg(AskPassphraseDialog::UnlockMining, this);
1072         dlg.setModel(walletModel);
1073         dlg.exec();
1074     }
1075 }
1076
1077 void BitcoinGUI::backupWallet()
1078 {
1079 #if QT_VERSION < 0x050000
1080     QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1081 #else
1082     QString saveDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1083 #endif
1084     QString filename = QFileDialog::getSaveFileName(this, tr("Backup Wallet"), saveDir, tr("Wallet Data (*.dat)"));
1085     if(!filename.isEmpty()) {
1086         if(!walletModel->backupWallet(filename)) {
1087             QMessageBox::warning(this, tr("Backup Failed"), tr("There was an error trying to save the wallet data to the new location."));
1088         }
1089     }
1090 }
1091
1092 void BitcoinGUI::dumpWallet()
1093 {
1094    if(!walletModel)
1095       return;
1096
1097    WalletModel::UnlockContext ctx(walletModel->requestUnlock());
1098    if(!ctx.isValid())
1099    {
1100        // Unlock wallet failed or was cancelled
1101        return;
1102    }
1103
1104 #if QT_VERSION < 0x050000
1105     QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1106 #else
1107     QString saveDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1108 #endif
1109     QString filename = QFileDialog::getSaveFileName(this, tr("Dump Wallet"), saveDir, tr("Wallet dump (*.txt)"));
1110     if(!filename.isEmpty()) {
1111         if(!walletModel->dumpWallet(filename)) {
1112             message(tr("Dump failed"),
1113                          tr("An error happened while trying to save the keys to your location.\n"
1114                             "Keys were not saved.")
1115                       ,CClientUIInterface::MSG_ERROR);
1116         }
1117         else
1118           message(tr("Dump successful"),
1119                        tr("Keys were saved to this file:\n%2")
1120                        .arg(filename)
1121                       ,CClientUIInterface::MSG_INFORMATION);
1122     }
1123 }
1124
1125 void BitcoinGUI::importWallet()
1126 {
1127    if(!walletModel)
1128       return;
1129
1130    WalletModel::UnlockContext ctx(walletModel->requestUnlock());
1131    if(!ctx.isValid())
1132    {
1133        // Unlock wallet failed or was cancelled
1134        return;
1135    }
1136
1137 #if QT_VERSION < 0x050000
1138     QString openDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1139 #else
1140     QString openDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1141 #endif
1142     QString filename = QFileDialog::getOpenFileName(this, tr("Import Wallet"), openDir, tr("Wallet dump (*.txt)"));
1143     if(!filename.isEmpty()) {
1144         if(!walletModel->importWallet(filename)) {
1145             message(tr("Import Failed"),
1146                          tr("An error happened while trying to import the keys.\n"
1147                             "Some or all keys from:\n %1,\n were not imported into your wallet.")
1148                          .arg(filename)
1149                       ,CClientUIInterface::MSG_ERROR);
1150         }
1151         else
1152           message(tr("Import Successful"),
1153                        tr("All keys from:\n %1,\n were imported into your wallet.")
1154                        .arg(filename)
1155                       ,CClientUIInterface::MSG_INFORMATION);
1156     }
1157 }
1158
1159
1160 void BitcoinGUI::changePassphrase()
1161 {
1162     AskPassphraseDialog dlg(AskPassphraseDialog::ChangePass, this);
1163     dlg.setModel(walletModel);
1164     dlg.exec();
1165 }
1166
1167 void BitcoinGUI::unlockWallet()
1168 {
1169     if(!walletModel)
1170         return;
1171     // Unlock wallet when requested by wallet model
1172     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
1173     {
1174         AskPassphraseDialog dlg(AskPassphraseDialog::Unlock, this);
1175         dlg.setModel(walletModel);
1176         dlg.exec();
1177     }
1178 }
1179
1180 void BitcoinGUI::lockWallet()
1181 {
1182     if(!walletModel)
1183         return;
1184
1185     walletModel->setWalletLocked(true);
1186 }
1187
1188 void BitcoinGUI::showNormalIfMinimized(bool fToggleHidden)
1189 {
1190     // activateWindow() (sometimes) helps with keyboard focus on Windows
1191     if (isHidden())
1192     {
1193         // Make sure the window is not minimized
1194         setWindowState(windowState() & (~Qt::WindowMinimized | Qt::WindowActive));
1195         // Then show it
1196         show();
1197         raise();
1198         activateWindow();
1199     }
1200     else if (isMinimized())
1201     {
1202         showNormal();
1203         raise();
1204         activateWindow();
1205     }
1206     else if (GUIUtil::isObscured(this))
1207     {
1208         raise();
1209         activateWindow();
1210         if(fToggleHidden)
1211         {
1212             Sleep(1);
1213             if (GUIUtil::isObscured(this))
1214                 hide();
1215         }
1216     }
1217     else if(fToggleHidden)
1218         hide();
1219 }
1220
1221 void BitcoinGUI::toggleHidden()
1222 {
1223     showNormalIfMinimized(true);
1224 }
1225
1226 void BitcoinGUI::error(const QString &title, const QString &message, bool modal)
1227 {
1228     // Report errors from network/worker thread
1229     if(modal)
1230     {
1231         QMessageBox::critical(this, title, message, QMessageBox::Ok, QMessageBox::Ok);
1232     } else {
1233         notificator->notify(Notificator::Critical, title, message);
1234     }
1235 }