src/qt/bitcoingui.cpp

   1 /*
   2  * Qt4 bitcoin GUI.
   3  *
   4  * W.J. van der Laan 2011-2012
   5  * The Bitcoin Developers 2011-2012
   6  */
   7 #include "bitcoingui.h"
   8 #include "transactiontablemodel.h"
   9 #include "addressbookpage.h"
  10 #include "sendcoinsdialog.h"
  11 #include "signverifymessagedialog.h"
  12 #include "optionsdialog.h"
  13 #include "aboutdialog.h"
  14 #include "clientmodel.h"
  15 #include "walletmodel.h"
  16 #include "editaddressdialog.h"
  17 #include "optionsmodel.h"
  18 #include "transactiondescdialog.h"
  19 #include "addresstablemodel.h"
  20 #include "transactionview.h"
  21 #include "overviewpage.h"
  22 #include "bitcoinunits.h"
  23 #include "guiconstants.h"
  24 #include "askpassphrasedialog.h"
  25 #include "notificator.h"
  26 #include "guiutil.h"
  27 #include "ui_interface.h"
  28 #include "rpcconsole.h"
  29 #include "mintingview.h"
  30
  31 #ifdef Q_OS_MAC
  32 #include "macdockiconhandler.h"
  33 #endif
  34
  35 #include <QApplication>
  36 #if QT_VERSION < 0x050000
  37 #include <QMainWindow>
  38 #endif
  39 #include <QMenuBar>
  40 #include <QMenu>
  41 #include <QIcon>
  42 #include <QTabWidget>
  43 #include <QVBoxLayout>
  44 #include <QToolBar>
  45 #include <QStatusBar>
  46 #include <QLabel>
  47 #include <QLineEdit>
  48 #include <QPushButton>
  49 #include <QLocale>
  50 #include <QMessageBox>
  51 #include <QProgressBar>
  52 #include <QStackedWidget>
  53 #include <QDateTime>
  54 #include <QMovie>
  55 #include <QFileDialog>
  56 #if QT_VERSION < 0x050000
  57 #include <QDesktopServices>
  58 #else
  59 #include <QStandardPaths>
  60 #endif
  61 #include <QTimer>
  62 #include <QDragEnterEvent>
  63 #if QT_VERSION < 0x050000
  64 #include <QUrl>
  65 #endif
  66 #include <QStyle>
  67 #include <QMimeData>
  68
  69 #include <iostream>
  70
  71 extern bool fWalletUnlockMintOnly;
  72
  73 BitcoinGUI::BitcoinGUI(QWidget *parent):
  74     QMainWindow(parent),
  75     clientModel(0),
  76     walletModel(0),
  77     encryptWalletAction(0),
  78     lockWalletAction(0),
  79     unlockWalletAction(0),
  80     unlockWalletMiningAction(0),
  81     changePassphraseAction(0),
  82     aboutQtAction(0),
  83     trayIcon(0),
  84     notificator(0),
  85     rpcConsole(0)
  86 {
  87     resize(850, 550);
  88     setWindowTitle(tr("NovaCoin") + " - " + tr("Wallet"));
  89 #ifndef Q_OS_MAC
  90     qApp->setWindowIcon(QIcon(":icons/bitcoin"));
  91     setWindowIcon(QIcon(":icons/bitcoin"));
  92 #else
  93     setUnifiedTitleAndToolBarOnMac(true);
  94     QApplication::setAttribute(Qt::AA_DontShowIconsInMenus);
  95 #endif
  96     // Accept D&D of URIs
  97     setAcceptDrops(true);
  98
  99     // Create actions for the toolbar, menu bar and tray/dock icon
 100     createActions();
 101
 102     // Create application menu bar
 103     createMenuBar();
 104
 105     // Create the toolbars
 106     createToolBars();
 107
 108     // Create the tray icon (or setup the dock icon)
 109     createTrayIcon();
 110
 111     // Create tabs
 112     overviewPage = new OverviewPage();
 113
 114     transactionsPage = new QWidget(this);
 115     QVBoxLayout *vbox = new QVBoxLayout();
 116     transactionView = new TransactionView(this);
 117     vbox->addWidget(transactionView);
 118     transactionsPage->setLayout(vbox);
 119
 120     mintingPage = new QWidget(this);
 121     QVBoxLayout *vboxMinting = new QVBoxLayout();
 122     mintingView = new MintingView(this);
 123     vboxMinting->addWidget(mintingView);
 124     mintingPage->setLayout(vboxMinting);
 125
 126     addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
 127
 128     receiveCoinsPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab);
 129
 130     sendCoinsPage = new SendCoinsDialog(this);
 131
 132     signVerifyMessageDialog = new SignVerifyMessageDialog(this);
 133
 134     centralWidget = new QStackedWidget(this);
 135     centralWidget->addWidget(overviewPage);
 136     centralWidget->addWidget(transactionsPage);
 137     centralWidget->addWidget(mintingPage);
 138     centralWidget->addWidget(addressBookPage);
 139     centralWidget->addWidget(receiveCoinsPage);
 140     centralWidget->addWidget(sendCoinsPage);
 141     setCentralWidget(centralWidget);
 142
 143     // Create status bar
 144     statusBar();
 145
 146     // Status bar notification icons
 147     QFrame *frameBlocks = new QFrame();
 148     frameBlocks->setContentsMargins(0,0,0,0);
 149     frameBlocks->setMinimumWidth(72);
 150     frameBlocks->setMaximumWidth(72);
 151     QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
 152     frameBlocksLayout->setContentsMargins(3,0,3,0);
 153     frameBlocksLayout->setSpacing(3);
 154     labelEncryptionIcon = new QLabel();
 155     labelMiningIcon = new QLabel();
 156     labelConnectionsIcon = new QLabel();
 157     labelBlocksIcon = new QLabel();
 158     frameBlocksLayout->addStretch();
 159     frameBlocksLayout->addWidget(labelEncryptionIcon);
 160     frameBlocksLayout->addStretch();
 161     frameBlocksLayout->addWidget(labelMiningIcon);
 162     frameBlocksLayout->addStretch();
 163     frameBlocksLayout->addWidget(labelConnectionsIcon);
 164     frameBlocksLayout->addStretch();
 165     frameBlocksLayout->addWidget(labelBlocksIcon);
 166     frameBlocksLayout->addStretch();
 167
 168     // Progress bar and label for blocks download
 169     progressBarLabel = new QLabel();
 170     progressBarLabel->setVisible(false);
 171     progressBar = new QProgressBar();
 172     progressBar->setAlignment(Qt::AlignCenter);
 173     progressBar->setVisible(false);
 174
 175     // Override style sheet for progress bar for styles that have a segmented progress bar,
 176     // as they make the text unreadable (workaround for issue #1071)
 177     // See https://qt-project.org/doc/qt-4.8/gallery.html
 178     QString curStyle = qApp->style()->metaObject()->className();
 179     if(curStyle == "QWindowsStyle" || curStyle == "QWindowsXPStyle")
 180     {
 181         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; }");
 182     }
 183
 184     statusBar()->addWidget(progressBarLabel);
 185     statusBar()->addWidget(progressBar);
 186     statusBar()->addPermanentWidget(frameBlocks);
 187
 188     syncIconMovie = new QMovie(":/movies/update_spinner", "mng", this);
 189
 190     // Clicking on a transaction on the overview page simply sends you to transaction history page
 191     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), this, SLOT(gotoHistoryPage()));
 192     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), transactionView, SLOT(focusTransaction(QModelIndex)));
 193
 194     // Double-clicking on a transaction on the transaction history page shows details
 195     connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
 196
 197     rpcConsole = new RPCConsole(this);
 198     connect(openRPCConsoleAction, SIGNAL(triggered()), rpcConsole, SLOT(show()));
 199
 200     // Clicking on "Verify Message" in the address book sends you to the verify message tab
 201     connect(addressBookPage, SIGNAL(verifyMessage(QString)), this, SLOT(gotoVerifyMessageTab(QString)));
 202     // Clicking on "Sign Message" in the receive coins page sends you to the sign message tab
 203     connect(receiveCoinsPage, SIGNAL(signMessage(QString)), this, SLOT(gotoSignMessageTab(QString)));
 204
 205     gotoOverviewPage();
 206 }
 207
 208 BitcoinGUI::~BitcoinGUI()
 209 {
 210     if(trayIcon) // Hide tray icon, as deleting will let it linger until quit (on Ubuntu)
 211         trayIcon->hide();
 212 #ifdef Q_OS_MAC
 213     delete appMenuBar;
 214 #endif
 215 }
 216
 217 void BitcoinGUI::createActions()
 218 {
 219     QActionGroup *tabGroup = new QActionGroup(this);
 220
 221     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 222     overviewAction->setToolTip(tr("Show general overview of wallet"));
 223     overviewAction->setCheckable(true);
 224     overviewAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_1));
 225     tabGroup->addAction(overviewAction);
 226
 227     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 228     sendCoinsAction->setToolTip(tr("Send coins to a NovaCoin address"));
 229     sendCoinsAction->setCheckable(true);
 230     sendCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_2));
 231     tabGroup->addAction(sendCoinsAction);
 232
 233     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 234     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 235     receiveCoinsAction->setCheckable(true);
 236     receiveCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_3));
 237     tabGroup->addAction(receiveCoinsAction);
 238
 239     historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
 240     historyAction->setToolTip(tr("Browse transaction history"));
 241     historyAction->setCheckable(true);
 242     historyAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_4));
 243     tabGroup->addAction(historyAction);
 244
 245     mintingAction = new QAction(QIcon(":/icons/history"), tr("&Minting"), this);
 246     mintingAction->setToolTip(tr("Show your minting capacity"));
 247     mintingAction->setCheckable(true);
 248     mintingAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_5));
 249     tabGroup->addAction(mintingAction);
 250
 251     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 252     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 253     addressBookAction->setCheckable(true);
 254     addressBookAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_6));
 255     tabGroup->addAction(addressBookAction);
 256
 257     connect(overviewAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 258     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 259     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 260     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 261     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 262     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 263     connect(historyAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 264     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 265     connect(mintingAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 266     connect(mintingAction, SIGNAL(triggered()), this, SLOT(gotoMintingPage()));
 267     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 268     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 269
 270     quitAction = new QAction(QIcon(":/icons/quit"), tr("E&xit"), this);
 271     quitAction->setToolTip(tr("Quit application"));
 272     quitAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 273     quitAction->setMenuRole(QAction::QuitRole);
 274     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About NovaCoin"), this);
 275     aboutAction->setToolTip(tr("Show information about NovaCoin"));
 276     aboutAction->setMenuRole(QAction::AboutRole);
 277 #if QT_VERSION < 0x050000
 278     aboutQtAction = new QAction(QIcon(":/trolltech/qmessagebox/images/qtlogo-64.png"), tr("About &Qt"), this);
 279 #else
 280     aboutQtAction = new QAction(QIcon(":/qt-project.org/qmessagebox/images/qtlogo-64.png"), tr("About &Qt"), this);
 281 #endif
 282     aboutQtAction->setToolTip(tr("Show information about Qt"));
 283     aboutQtAction->setMenuRole(QAction::AboutQtRole);
 284     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 285     optionsAction->setToolTip(tr("Modify configuration options for NovaCoin"));
 286     optionsAction->setMenuRole(QAction::PreferencesRole);
 287     toggleHideAction = new QAction(QIcon(":/icons/bitcoin"), tr("&Show / Hide"), this);
 288     encryptWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Encrypt Wallet..."), this);
 289     encryptWalletAction->setToolTip(tr("Encrypt or decrypt wallet"));
 290     encryptWalletAction->setCheckable(true);
 291     backupWalletAction = new QAction(QIcon(":/icons/filesave"), tr("&Backup Wallet..."), this);
 292     backupWalletAction->setToolTip(tr("Backup wallet to another location"));
 293     dumpWalletAction = new QAction(QIcon(":/icons/dump"), tr("&Dump Wallet..."), this);
 294     dumpWalletAction->setStatusTip(tr("Dump keys to a text file"));
 295     importWalletAction = new QAction(QIcon(":/icons/import"), tr("&Import Wallet..."), this);
 296     importWalletAction->setStatusTip(tr("Import keys into a wallet"));
 297     changePassphraseAction = new QAction(QIcon(":/icons/key"), tr("&Change Passphrase..."), this);
 298     changePassphraseAction->setToolTip(tr("Change the passphrase used for wallet encryption"));
 299     signMessageAction = new QAction(QIcon(":/icons/edit"), tr("Sign &message..."), this);
 300     verifyMessageAction = new QAction(QIcon(":/icons/transaction_0"), tr("&Verify message..."), this);
 301
 302     lockWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Lock wallet"), this);
 303     lockWalletAction->setToolTip(tr("Lock wallet"));
 304     lockWalletAction->setCheckable(true);
 305
 306     unlockWalletAction = new QAction(QIcon(":/icons/lock_open"), tr("Unlo&ck wallet"), this);
 307     unlockWalletAction->setToolTip(tr("Unlock wallet"));
 308     unlockWalletAction->setCheckable(true);
 309
 310     unlockWalletMiningAction = new QAction(QIcon(":/icons/mining_active"), tr("Unlo&ck wallet for mining"), this);
 311     unlockWalletMiningAction->setToolTip(tr("Unlock wallet for mining"));
 312     unlockWalletMiningAction->setCheckable(true);
 313
 314     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
 315     exportAction->setToolTip(tr("Export the data in the current tab to a file"));
 316     openRPCConsoleAction = new QAction(QIcon(":/icons/debugwindow"), tr("&Debug window"), this);
 317     openRPCConsoleAction->setToolTip(tr("Open debugging and diagnostic console"));
 318
 319     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
 320     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 321     connect(aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
 322     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 323     connect(toggleHideAction, SIGNAL(triggered()), this, SLOT(toggleHidden()));
 324     connect(encryptWalletAction, SIGNAL(triggered(bool)), this, SLOT(encryptWallet(bool)));
 325     connect(lockWalletAction, SIGNAL(triggered(bool)), this, SLOT(lockWallet()));
 326     connect(unlockWalletAction, SIGNAL(triggered(bool)), this, SLOT(unlockWallet()));
 327     connect(unlockWalletMiningAction, SIGNAL(triggered(bool)), this, SLOT(unlockWalletMining(bool)));
 328     connect(backupWalletAction, SIGNAL(triggered()), this, SLOT(backupWallet()));
 329     connect(dumpWalletAction, SIGNAL(triggered()), this, SLOT(dumpWallet()));
 330     connect(importWalletAction, SIGNAL(triggered()), this, SLOT(importWallet()));
 331     connect(changePassphraseAction, SIGNAL(triggered()), this, SLOT(changePassphrase()));
 332     connect(signMessageAction, SIGNAL(triggered()), this, SLOT(gotoSignMessageTab()));
 333     connect(verifyMessageAction, SIGNAL(triggered()), this, SLOT(gotoVerifyMessageTab()));
 334 }
 335
 336 void BitcoinGUI::createMenuBar()
 337 {
 338 #ifdef Q_OS_MAC
 339     // Create a decoupled menu bar on Mac which stays even if the window is closed
 340     appMenuBar = new QMenuBar();
 341 #else
 342     // Get the main window's menu bar on other platforms
 343     appMenuBar = menuBar();
 344 #endif
 345
 346     // Configure the menus
 347     QMenu *file = appMenuBar->addMenu(tr("&File"));
 348     file->addAction(backupWalletAction);
 349     file->addSeparator();
 350     file->addAction(dumpWalletAction);
 351     file->addAction(importWalletAction);
 352     file->addAction(exportAction);
 353     file->addAction(signMessageAction);
 354     file->addAction(verifyMessageAction);
 355     file->addSeparator();
 356     file->addAction(quitAction);
 357
 358     QMenu *settings = appMenuBar->addMenu(tr("&Settings"));
 359     QMenu *securityMenu = settings->addMenu(QIcon(":/icons/key"), tr("&Wallet security"));
 360     securityMenu->addAction(encryptWalletAction);
 361     securityMenu->addAction(changePassphraseAction);
 362     securityMenu->addAction(unlockWalletAction);
 363     securityMenu->addAction(unlockWalletMiningAction);
 364     securityMenu->addAction(lockWalletAction);
 365     settings->addAction(optionsAction);
 366
 367     QMenu *help = appMenuBar->addMenu(tr("&Help"));
 368     help->addAction(openRPCConsoleAction);
 369     help->addSeparator();
 370     help->addAction(aboutAction);
 371     help->addAction(aboutQtAction);
 372 }
 373
 374 void BitcoinGUI::createToolBars()
 375 {
 376     QToolBar *toolbar = addToolBar(tr("Tabs toolbar"));
 377     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 378     toolbar->addAction(overviewAction);
 379     toolbar->addAction(sendCoinsAction);
 380     toolbar->addAction(receiveCoinsAction);
 381     toolbar->addAction(historyAction);
 382     toolbar->addAction(mintingAction);
 383     toolbar->addAction(addressBookAction);
 384
 385     QToolBar *toolbar2 = addToolBar(tr("Actions toolbar"));
 386     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 387     toolbar2->addAction(exportAction);
 388     toolbar2->setVisible(false);
 389
 390 }
 391
 392 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 393 {
 394     this->clientModel = clientModel;
 395     if(clientModel)
 396     {
 397         // Replace some strings and icons, when using the testnet
 398         if(clientModel->isTestNet())
 399         {
 400             setWindowTitle(windowTitle() + QString(" ") + tr("[testnet]"));
 401 #ifndef Q_OS_MAC
 402             qApp->setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 403             setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 404 #else
 405             MacDockIconHandler::instance()->setIcon(QIcon(":icons/bitcoin_testnet"));
 406 #endif
 407             if(trayIcon)
 408             {
 409                 trayIcon->setToolTip(tr("NovaCoin client") + QString(" ") + tr("[testnet]"));
 410                 trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 411                 toggleHideAction->setIcon(QIcon(":/icons/toolbar_testnet"));
 412             }
 413
 414             aboutAction->setIcon(QIcon(":/icons/toolbar_testnet"));
 415         }
 416
 417         // Keep up to date with client
 418         setNumConnections(clientModel->getNumConnections());
 419         connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 420
 421         setNumBlocks(clientModel->getNumBlocks(), clientModel->getNumBlocksOfPeers());
 422         connect(clientModel, SIGNAL(numBlocksChanged(int,int)), this, SLOT(setNumBlocks(int,int)));
 423         connect(clientModel, SIGNAL(numBlocksChanged(int,int)), this, SLOT(updateMining()));
 424
 425         // Report errors from network/worker thread
 426         connect(clientModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
 427
 428         rpcConsole->setClientModel(clientModel);
 429         addressBookPage->setOptionsModel(clientModel->getOptionsModel());
 430         receiveCoinsPage->setOptionsModel(clientModel->getOptionsModel());
 431     }
 432 }
 433
 434 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 435 {
 436     this->walletModel = walletModel;
 437     if(walletModel)
 438     {
 439         // Report errors from wallet thread
 440         connect(walletModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
 441
 442         // Put transaction list in tabs
 443         transactionView->setModel(walletModel);
 444         mintingView->setModel(walletModel);
 445
 446         overviewPage->setModel(walletModel);
 447         addressBookPage->setModel(walletModel->getAddressTableModel());
 448         receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 449         sendCoinsPage->setModel(walletModel);
 450         signVerifyMessageDialog->setModel(walletModel);
 451
 452         setEncryptionStatus(walletModel->getEncryptionStatus());
 453         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
 454         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(updateMining()));
 455
 456         // Balloon pop-up for new transaction
 457         connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 458                 this, SLOT(incomingTransaction(QModelIndex,int,int)));
 459
 460         // Ask for passphrase if needed
 461         connect(walletModel, SIGNAL(requireUnlock()), this, SLOT(unlockWallet()));
 462     }
 463 }
 464
 465 void BitcoinGUI::createTrayIcon()
 466 {
 467     QMenu *trayIconMenu;
 468 #ifndef Q_OS_MAC
 469     trayIcon = new QSystemTrayIcon(this);
 470     trayIconMenu = new QMenu(this);
 471     trayIcon->setContextMenu(trayIconMenu);
 472     trayIcon->setToolTip(tr("NovaCoin client"));
 473     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 474     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 475             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 476     trayIcon->show();
 477 #else
 478     // Note: On Mac, the dock icon is used to provide the tray's functionality.
 479     MacDockIconHandler *dockIconHandler = MacDockIconHandler::instance();
 480     dockIconHandler->setMainWindow((QMainWindow *)this);
 481     trayIconMenu = dockIconHandler->dockMenu();
 482 #endif
 483
 484     // Configuration of the tray icon (or dock icon) icon menu
 485     trayIconMenu->addAction(toggleHideAction);
 486     trayIconMenu->addSeparator();
 487     trayIconMenu->addAction(sendCoinsAction);
 488     trayIconMenu->addAction(receiveCoinsAction);
 489     trayIconMenu->addSeparator();
 490     trayIconMenu->addAction(signMessageAction);
 491     trayIconMenu->addAction(verifyMessageAction);
 492     trayIconMenu->addSeparator();
 493     trayIconMenu->addAction(optionsAction);
 494     trayIconMenu->addAction(openRPCConsoleAction);
 495 #ifndef Q_OS_MAC
 496     // This is built-in on Mac
 497     trayIconMenu->addSeparator();
 498     trayIconMenu->addAction(quitAction);
 499
 500     notificator = new Notificator(qApp->applicationName(), trayIcon, 0);
 501 #endif
 502 }
 503
 504 #ifndef Q_OS_MAC
 505 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 506 {
 507     if(reason == QSystemTrayIcon::Trigger)
 508     {
 509         // Click on system tray icon triggers show/hide of the main window
 510         toggleHideAction->trigger();
 511     }
 512 }
 513 #endif
 514
 515 void BitcoinGUI::optionsClicked()
 516 {
 517     if(!clientModel || !clientModel->getOptionsModel())
 518         return;
 519     OptionsDialog dlg;
 520     dlg.setModel(clientModel->getOptionsModel());
 521     dlg.exec();
 522 }
 523
 524 void BitcoinGUI::aboutClicked()
 525 {
 526     AboutDialog dlg;
 527     dlg.setModel(clientModel);
 528     dlg.exec();
 529 }
 530
 531 void BitcoinGUI::setNumConnections(int count)
 532 {
 533     QString icon;
 534     switch(count)
 535     {
 536     case 0: icon = ":/icons/connect_0"; break;
 537     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 538     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 539     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 540     default: icon = ":/icons/connect_4"; break;
 541     }
 542     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 543     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to NovaCoin network", "", count));
 544 }
 545
 546 void BitcoinGUI::setNumBlocks(int count, int nTotalBlocks)
 547 {
 548     // don't show / hide progress bar and its label if we have no connection to the network
 549     if (!clientModel || clientModel->getNumConnections() == 0)
 550     {
 551         progressBarLabel->setVisible(false);
 552         progressBar->setVisible(false);
 553
 554         return;
 555     }
 556
 557     QString strStatusBarWarnings = clientModel->getStatusBarWarnings();
 558     QString tooltip;
 559
 560     if(count < nTotalBlocks)
 561     {
 562         int nRemainingBlocks = nTotalBlocks - count;
 563         float nPercentageDone = count / (nTotalBlocks * 0.01f);
 564
 565         if (strStatusBarWarnings.isEmpty())
 566         {
 567             progressBarLabel->setText(tr("Synchronizing with network..."));
 568             progressBarLabel->setVisible(true);
 569             progressBar->setFormat(tr("~%n block(s) remaining", "", nRemainingBlocks));
 570             progressBar->setMaximum(nTotalBlocks);
 571             progressBar->setValue(count);
 572             progressBar->setVisible(true);
 573         }
 574
 575         tooltip = tr("Downloaded %1 of %2 blocks of transaction history (%3% done).").arg(count).arg(nTotalBlocks).arg(nPercentageDone, 0, 'f', 2);
 576     }
 577     else
 578     {
 579         if (strStatusBarWarnings.isEmpty())
 580             progressBarLabel->setVisible(false);
 581
 582         progressBar->setVisible(false);
 583         tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
 584     }
 585
 586     // Override progressBarLabel text and hide progress bar, when we have warnings to display
 587     if (!strStatusBarWarnings.isEmpty())
 588     {
 589         progressBarLabel->setText(strStatusBarWarnings);
 590         progressBarLabel->setVisible(true);
 591         progressBar->setVisible(false);
 592     }
 593
 594     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 595     int secs = lastBlockDate.secsTo(QDateTime::currentDateTime());
 596     QString text;
 597
 598     // Represent time from last generated block in human readable text
 599     if(secs <= 0)
 600     {
 601         // Fully up to date. Leave text empty.
 602     }
 603     else if(secs < 60)
 604     {
 605         text = tr("%n second(s) ago","",secs);
 606     }
 607     else if(secs < 60*60)
 608     {
 609         text = tr("%n minute(s) ago","",secs/60);
 610     }
 611     else if(secs < 24*60*60)
 612     {
 613         text = tr("%n hour(s) ago","",secs/(60*60));
 614     }
 615     else
 616     {
 617         text = tr("%n day(s) ago","",secs/(60*60*24));
 618     }
 619
 620     // Set icon state: spinning if catching up, tick otherwise
 621     if(secs < 90*60 && count >= nTotalBlocks)
 622     {
 623         tooltip = tr("Up to date") + QString(".<br>") + tooltip;
 624         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE, STATUSBAR_ICONSIZE));
 625
 626         overviewPage->showOutOfSyncWarning(false);
 627     }
 628     else
 629     {
 630         tooltip = tr("Catching up...") + QString("<br>") + tooltip;
 631         labelBlocksIcon->setMovie(syncIconMovie);
 632         syncIconMovie->start();
 633
 634         overviewPage->showOutOfSyncWarning(true);
 635     }
 636
 637     if(!text.isEmpty())
 638     {
 639         tooltip += QString("<br>");
 640         tooltip += tr("Last received block was generated %1.").arg(text);
 641     }
 642
 643     // Don't word-wrap this (fixed-width) tooltip
 644     tooltip = QString("<nobr>") + tooltip + QString("</nobr>");
 645
 646     labelBlocksIcon->setToolTip(tooltip);
 647     progressBarLabel->setToolTip(tooltip);
 648     progressBar->setToolTip(tooltip);
 649 }
 650
 651 void BitcoinGUI::updateMining()
 652 {
 653    if(!walletModel)
 654       return;
 655
 656     labelMiningIcon->setPixmap(QIcon(":/icons/mining_inactive").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 657
 658     if (!clientModel->getNumConnections())
 659     {
 660         labelMiningIcon->setToolTip(tr("Wallet is offline"));
 661         return;
 662     }
 663
 664     if (walletModel->getEncryptionStatus() == WalletModel::Locked)
 665     {
 666         labelMiningIcon->setToolTip(tr("Wallet is locked"));
 667         return;
 668     }
 669
 670     if (clientModel->inInitialBlockDownload() || clientModel->getNumBlocksOfPeers() > clientModel->getNumBlocks())
 671     {
 672         labelMiningIcon->setToolTip(tr("Blockchain download is in progress"));
 673         return;
 674     }
 675
 676     uint64 nMinWeight = 0, nMaxWeight = 0, nTotalWeight = 0;
 677     walletModel->getStakeWeight(nMinWeight, nMaxWeight, nTotalWeight);
 678
 679     if (nTotalWeight > 0)
 680     {
 681         labelMiningIcon->setPixmap(QIcon(":/icons/mining_active").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 682
 683         uint64 nNetworkWeight = clientModel->getPoSKernelPS();
 684 /*
 685         double dDifficulty = clientModel->getDifficulty(true);
 686         QString msg;
 687
 688         int nApproxTime = 4294967297 * dDifficulty / nTotalWeight;
 689
 690         if (nApproxTime < 60)
 691             msg = tr("%n second(s)", "", nApproxTime);
 692         else if (nApproxTime < 60*60)
 693             msg = tr("%n minute(s)", "", nApproxTime / 60);
 694         else if (nApproxTime < 24*60*60)
 695             msg = tr("%n hour(s)", "", nApproxTime / 3600);
 696         else
 697             msg = tr("%n day(s)", "", nApproxTime / 86400);
 698
 699         labelMiningIcon->setToolTip(tr("Stake miner is active\nYour current stake weight is %1\nNetwork weight is %2\nAverage block generation time is %3").arg(nTotalWeight).arg(dNetworkWeight).arg(msg));
 700 */
 701
 702         labelMiningIcon->setToolTip(tr("Stake miner is active\nYour current stake weight is %1\nNetwork weight is %2").arg(nTotalWeight).arg(nNetworkWeight));
 703     }
 704     else
 705         labelMiningIcon->setToolTip(tr("No suitable inputs were found"));
 706 }
 707
 708 void BitcoinGUI::error(const QString &title, const QString &message, bool modal)
 709 {
 710     // Report errors from network/worker thread
 711     if(modal)
 712     {
 713         QMessageBox::critical(this, title, message, QMessageBox::Ok, QMessageBox::Ok);
 714     } else {
 715         notificator->notify(Notificator::Critical, title, message);
 716     }
 717 }
 718
 719 void BitcoinGUI::message(const QString &title, const QString &message, unsigned int style, const QString &detail)
 720 {
 721     QString strTitle = tr("NovaCoin") + " - ";
 722     // Default to information icon
 723     int nMBoxIcon = QMessageBox::Information;
 724     int nNotifyIcon = Notificator::Information;
 725
 726
 727     // Check for usage of predefined title
 728     switch (style) {
 729     case CClientUIInterface::MSG_ERROR:
 730         strTitle += tr("Error");
 731         break;
 732     case CClientUIInterface::MSG_WARNING:
 733         strTitle += tr("Warning");
 734         break;
 735     case CClientUIInterface::MSG_INFORMATION:
 736         strTitle += tr("Information");
 737         break;
 738     default:
 739         strTitle += title; // Use supplied title
 740     }
 741
 742     // Check for error/warning icon
 743     if (style & CClientUIInterface::ICON_ERROR) {
 744         nMBoxIcon = QMessageBox::Critical;
 745         nNotifyIcon = Notificator::Critical;
 746     }
 747     else if (style & CClientUIInterface::ICON_WARNING) {
 748         nMBoxIcon = QMessageBox::Warning;
 749         nNotifyIcon = Notificator::Warning;
 750     }
 751
 752     // Display message
 753     if (style & CClientUIInterface::MODAL) {
 754         // Check for buttons, use OK as default, if none was supplied
 755         QMessageBox::StandardButton buttons;
 756         buttons = QMessageBox::Ok;
 757
 758         QMessageBox mBox((QMessageBox::Icon)nMBoxIcon, strTitle, message, buttons);
 759
 760         if(!detail.isEmpty()) { mBox.setDetailedText(detail); }
 761
 762         mBox.exec();
 763     }
 764     else
 765         notificator->notify((Notificator::Class)nNotifyIcon, strTitle, message);
 766 }
 767
 768
 769 void BitcoinGUI::changeEvent(QEvent *e)
 770 {
 771     QMainWindow::changeEvent(e);
 772 #ifndef Q_OS_MAC // Ignored on Mac
 773     if(e->type() == QEvent::WindowStateChange)
 774     {
 775         if(clientModel && clientModel->getOptionsModel()->getMinimizeToTray())
 776         {
 777             QWindowStateChangeEvent *wsevt = static_cast<QWindowStateChangeEvent*>(e);
 778             if(!(wsevt->oldState() & Qt::WindowMinimized) && isMinimized())
 779             {
 780                 QTimer::singleShot(0, this, SLOT(hide()));
 781                 e->ignore();
 782             }
 783         }
 784     }
 785 #endif
 786 }
 787
 788 void BitcoinGUI::closeEvent(QCloseEvent *event)
 789 {
 790     if(clientModel)
 791     {
 792 #ifndef Q_OS_MAC // Ignored on Mac
 793         if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 794            !clientModel->getOptionsModel()->getMinimizeOnClose())
 795         {
 796             qApp->quit();
 797         }
 798 #endif
 799     }
 800     QMainWindow::closeEvent(event);
 801 }
 802
 803 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 804 {
 805     QString strMessage =
 806         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 807           "which goes to the nodes that process your transaction and helps to support the network.  "
 808           "Do you want to pay the fee?").arg(
 809                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 810     QMessageBox::StandardButton retval = QMessageBox::question(
 811           this, tr("Confirm transaction fee"), strMessage,
 812           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 813     *payFee = (retval == QMessageBox::Yes);
 814 }
 815
 816 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 817 {
 818     if(!walletModel || !clientModel)
 819         return;
 820     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 821     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 822                     .data(Qt::EditRole).toULongLong();
 823     if(!clientModel->inInitialBlockDownload())
 824     {
 825         // On new transaction, make an info balloon
 826         // Unless the initial block download is in progress, to prevent balloon-spam
 827         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 828                         .data().toString();
 829         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 830                         .data().toString();
 831         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 832                         .data().toString();
 833         QIcon icon = qvariant_cast<QIcon>(ttm->index(start,
 834                             TransactionTableModel::ToAddress, parent)
 835                         .data(Qt::DecorationRole));
 836
 837         notificator->notify(Notificator::Information,
 838                             (amount)<0 ? tr("Sent transaction") :
 839                                          tr("Incoming transaction"),
 840                               tr("Date: %1\n"
 841                                  "Amount: %2\n"
 842                                  "Type: %3\n"
 843                                  "Address: %4\n")
 844                               .arg(date)
 845                               .arg(BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true))
 846                               .arg(type)
 847                               .arg(address), icon);
 848     }
 849 }
 850
 851 void BitcoinGUI::gotoOverviewPage()
 852 {
 853     overviewAction->setChecked(true);
 854     centralWidget->setCurrentWidget(overviewPage);
 855
 856     exportAction->setEnabled(false);
 857     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 858 }
 859
 860 void BitcoinGUI::gotoHistoryPage()
 861 {
 862     historyAction->setChecked(true);
 863     centralWidget->setCurrentWidget(transactionsPage);
 864
 865     exportAction->setEnabled(true);
 866     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 867     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 868 }
 869
 870 void BitcoinGUI::gotoMintingPage()
 871 {
 872     mintingAction->setChecked(true);
 873     centralWidget->setCurrentWidget(mintingPage);
 874
 875     exportAction->setEnabled(true);
 876     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 877     connect(exportAction, SIGNAL(triggered()), mintingView, SLOT(exportClicked()));
 878 }
 879
 880
 881 void BitcoinGUI::gotoAddressBookPage()
 882 {
 883     addressBookAction->setChecked(true);
 884     centralWidget->setCurrentWidget(addressBookPage);
 885
 886     exportAction->setEnabled(true);
 887     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 888     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 889 }
 890
 891 void BitcoinGUI::gotoReceiveCoinsPage()
 892 {
 893     receiveCoinsAction->setChecked(true);
 894     centralWidget->setCurrentWidget(receiveCoinsPage);
 895
 896     exportAction->setEnabled(true);
 897     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 898     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 899 }
 900
 901 void BitcoinGUI::gotoSendCoinsPage()
 902 {
 903     sendCoinsAction->setChecked(true);
 904     centralWidget->setCurrentWidget(sendCoinsPage);
 905
 906     exportAction->setEnabled(false);
 907     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 908 }
 909
 910 void BitcoinGUI::gotoSignMessageTab(QString addr)
 911 {
 912     // call show() in showTab_SM()
 913     signVerifyMessageDialog->showTab_SM(true);
 914
 915     if(!addr.isEmpty())
 916         signVerifyMessageDialog->setAddress_SM(addr);
 917 }
 918
 919 void BitcoinGUI::gotoVerifyMessageTab(QString addr)
 920 {
 921     // call show() in showTab_VM()
 922     signVerifyMessageDialog->showTab_VM(true);
 923
 924     if(!addr.isEmpty())
 925         signVerifyMessageDialog->setAddress_VM(addr);
 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(false); // TODO: decrypt currently not supported
 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(false); // TODO: decrypt currently not supported
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             error(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             error(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         show();
1163         activateWindow();
1164     }
1165     else if (isMinimized())
1166     {
1167         showNormal();
1168         activateWindow();
1169     }
1170     else if (GUIUtil::isObscured(this))
1171     {
1172         raise();
1173         activateWindow();
1174     }
1175     else if(fToggleHidden)
1176         hide();
1177 }
1178
1179 void BitcoinGUI::toggleHidden()
1180 {
1181     showNormalIfMinimized(true);
1182 }