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
 424         QTimer *timer = new QTimer(this);
 425         connect(timer, SIGNAL(timeout()), this, SLOT(updateMining()));
 426         timer->start(10*1000); //10 seconds
 427
 428         // Report errors from network/worker thread
 429         connect(clientModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
 430
 431         rpcConsole->setClientModel(clientModel);
 432         addressBookPage->setOptionsModel(clientModel->getOptionsModel());
 433         receiveCoinsPage->setOptionsModel(clientModel->getOptionsModel());
 434     }
 435 }
 436
 437 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 438 {
 439     this->walletModel = walletModel;
 440     if(walletModel)
 441     {
 442         // Report errors from wallet thread
 443         connect(walletModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
 444
 445         // Put transaction list in tabs
 446         transactionView->setModel(walletModel);
 447         mintingView->setModel(walletModel);
 448
 449         overviewPage->setModel(walletModel);
 450         addressBookPage->setModel(walletModel->getAddressTableModel());
 451         receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 452         sendCoinsPage->setModel(walletModel);
 453         signVerifyMessageDialog->setModel(walletModel);
 454
 455         setEncryptionStatus(walletModel->getEncryptionStatus());
 456         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
 457         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(updateMining()));
 458
 459         // Balloon pop-up for new transaction
 460         connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 461                 this, SLOT(incomingTransaction(QModelIndex,int,int)));
 462
 463         // Ask for passphrase if needed
 464         connect(walletModel, SIGNAL(requireUnlock()), this, SLOT(unlockWallet()));
 465     }
 466 }
 467
 468 void BitcoinGUI::createTrayIcon()
 469 {
 470     QMenu *trayIconMenu;
 471 #ifndef Q_OS_MAC
 472     trayIcon = new QSystemTrayIcon(this);
 473     trayIconMenu = new QMenu(this);
 474     trayIcon->setContextMenu(trayIconMenu);
 475     trayIcon->setToolTip(tr("NovaCoin client"));
 476     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 477     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 478             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 479     trayIcon->show();
 480 #else
 481     // Note: On Mac, the dock icon is used to provide the tray's functionality.
 482     MacDockIconHandler *dockIconHandler = MacDockIconHandler::instance();
 483     dockIconHandler->setMainWindow((QMainWindow *)this);
 484     trayIconMenu = dockIconHandler->dockMenu();
 485 #endif
 486
 487     // Configuration of the tray icon (or dock icon) icon menu
 488     trayIconMenu->addAction(toggleHideAction);
 489     trayIconMenu->addSeparator();
 490     trayIconMenu->addAction(sendCoinsAction);
 491     trayIconMenu->addAction(receiveCoinsAction);
 492     trayIconMenu->addSeparator();
 493     trayIconMenu->addAction(signMessageAction);
 494     trayIconMenu->addAction(verifyMessageAction);
 495     trayIconMenu->addSeparator();
 496     trayIconMenu->addAction(optionsAction);
 497     trayIconMenu->addAction(openRPCConsoleAction);
 498 #ifndef Q_OS_MAC
 499     // This is built-in on Mac
 500     trayIconMenu->addSeparator();
 501     trayIconMenu->addAction(quitAction);
 502
 503     notificator = new Notificator(qApp->applicationName(), trayIcon, 0);
 504 #endif
 505 }
 506
 507 #ifndef Q_OS_MAC
 508 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 509 {
 510     if(reason == QSystemTrayIcon::Trigger)
 511     {
 512         // Click on system tray icon triggers show/hide of the main window
 513         toggleHideAction->trigger();
 514     }
 515 }
 516 #endif
 517
 518 void BitcoinGUI::optionsClicked()
 519 {
 520     if(!clientModel || !clientModel->getOptionsModel())
 521         return;
 522     OptionsDialog dlg;
 523     dlg.setModel(clientModel->getOptionsModel());
 524     dlg.exec();
 525 }
 526
 527 void BitcoinGUI::aboutClicked()
 528 {
 529     AboutDialog dlg;
 530     dlg.setModel(clientModel);
 531     dlg.exec();
 532 }
 533
 534 void BitcoinGUI::setNumConnections(int count)
 535 {
 536     QString icon;
 537     switch(count)
 538     {
 539     case 0: icon = ":/icons/connect_0"; break;
 540     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 541     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 542     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 543     default: icon = ":/icons/connect_4"; break;
 544     }
 545     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 546     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to NovaCoin network", "", count));
 547 }
 548
 549 void BitcoinGUI::setNumBlocks(int count, int nTotalBlocks)
 550 {
 551     // don't show / hide progress bar and its label if we have no connection to the network
 552     if (!clientModel || clientModel->getNumConnections() == 0)
 553     {
 554         progressBarLabel->setVisible(false);
 555         progressBar->setVisible(false);
 556
 557         return;
 558     }
 559
 560     QString strStatusBarWarnings = clientModel->getStatusBarWarnings();
 561     QString tooltip;
 562
 563     if(count < nTotalBlocks)
 564     {
 565         int nRemainingBlocks = nTotalBlocks - count;
 566         float nPercentageDone = count / (nTotalBlocks * 0.01f);
 567
 568         if (strStatusBarWarnings.isEmpty())
 569         {
 570             progressBarLabel->setText(tr("Synchronizing with network..."));
 571             progressBarLabel->setVisible(true);
 572             progressBar->setFormat(tr("~%n block(s) remaining", "", nRemainingBlocks));
 573             progressBar->setMaximum(nTotalBlocks);
 574             progressBar->setValue(count);
 575             progressBar->setVisible(true);
 576         }
 577
 578         tooltip = tr("Downloaded %1 of %2 blocks of transaction history (%3% done).").arg(count).arg(nTotalBlocks).arg(nPercentageDone, 0, 'f', 2);
 579     }
 580     else
 581     {
 582         if (strStatusBarWarnings.isEmpty())
 583             progressBarLabel->setVisible(false);
 584
 585         progressBar->setVisible(false);
 586         tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
 587     }
 588
 589     // Override progressBarLabel text and hide progress bar, when we have warnings to display
 590     if (!strStatusBarWarnings.isEmpty())
 591     {
 592         progressBarLabel->setText(strStatusBarWarnings);
 593         progressBarLabel->setVisible(true);
 594         progressBar->setVisible(false);
 595     }
 596
 597     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 598     int secs = lastBlockDate.secsTo(QDateTime::currentDateTime());
 599     QString text;
 600
 601     // Represent time from last generated block in human readable text
 602     if(secs <= 0)
 603     {
 604         // Fully up to date. Leave text empty.
 605     }
 606     else if(secs < 60)
 607     {
 608         text = tr("%n second(s) ago","",secs);
 609     }
 610     else if(secs < 60*60)
 611     {
 612         text = tr("%n minute(s) ago","",secs/60);
 613     }
 614     else if(secs < 24*60*60)
 615     {
 616         text = tr("%n hour(s) ago","",secs/(60*60));
 617     }
 618     else
 619     {
 620         text = tr("%n day(s) ago","",secs/(60*60*24));
 621     }
 622
 623     // Set icon state: spinning if catching up, tick otherwise
 624     if(secs < 90*60 && count >= nTotalBlocks)
 625     {
 626         tooltip = tr("Up to date") + QString(".<br>") + tooltip;
 627         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE, STATUSBAR_ICONSIZE));
 628
 629         overviewPage->showOutOfSyncWarning(false);
 630     }
 631     else
 632     {
 633         tooltip = tr("Catching up...") + QString("<br>") + tooltip;
 634         labelBlocksIcon->setMovie(syncIconMovie);
 635         syncIconMovie->start();
 636
 637         overviewPage->showOutOfSyncWarning(true);
 638     }
 639
 640     if(!text.isEmpty())
 641     {
 642         tooltip += QString("<br>");
 643         tooltip += tr("Last received block was generated %1.").arg(text);
 644     }
 645
 646     // Don't word-wrap this (fixed-width) tooltip
 647     tooltip = QString("<nobr>") + tooltip + QString("</nobr>");
 648
 649     labelBlocksIcon->setToolTip(tooltip);
 650     progressBarLabel->setToolTip(tooltip);
 651     progressBar->setToolTip(tooltip);
 652 }
 653
 654 void BitcoinGUI::updateMining()
 655 {
 656    if(!walletModel)
 657       return;
 658
 659     labelMiningIcon->setPixmap(QIcon(":/icons/mining_inactive").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 660
 661     if (!clientModel->getNumConnections())
 662     {
 663         labelMiningIcon->setToolTip(tr("Wallet is offline"));
 664         return;
 665     }
 666
 667     if (walletModel->getEncryptionStatus() == WalletModel::Locked)
 668     {
 669         labelMiningIcon->setToolTip(tr("Wallet is locked"));
 670         return;
 671     }
 672
 673     if (clientModel->inInitialBlockDownload() || clientModel->getNumBlocksOfPeers() > clientModel->getNumBlocks())
 674     {
 675         labelMiningIcon->setToolTip(tr("Blockchain download is in progress"));
 676         return;
 677     }
 678
 679     float nKernelsRate = 0, nCoinDaysRate = 0;
 680     walletModel->getStakeStats(nKernelsRate, nCoinDaysRate);
 681
 682     if (nKernelsRate > 0)
 683     {
 684         labelMiningIcon->setPixmap(QIcon(":/icons/mining_active").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 685
 686         uint64 nNetworkWeight = clientModel->getPoSKernelPS();
 687 /*
 688         double dDifficulty = clientModel->getDifficulty(true);
 689         QString msg;
 690
 691         int nApproxTime = 4294967297 * dDifficulty / nTotalWeight;
 692
 693         if (nApproxTime < 60)
 694             msg = tr("%n second(s)", "", nApproxTime);
 695         else if (nApproxTime < 60*60)
 696             msg = tr("%n minute(s)", "", nApproxTime / 60);
 697         else if (nApproxTime < 24*60*60)
 698             msg = tr("%n hour(s)", "", nApproxTime / 3600);
 699         else
 700             msg = tr("%n day(s)", "", nApproxTime / 86400);
 701
 702         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));
 703 */
 704
 705         labelMiningIcon->setToolTip(tr("Stake miner is active\nKernel rate is %1 k/s\nCD rate is %2 CD/s\nNetwork weight is %3").arg(nKernelsRate).arg(nCoinDaysRate).arg(nNetworkWeight));
 706     }
 707     else
 708         labelMiningIcon->setToolTip(tr("No suitable inputs were found"));
 709 }
 710
 711 void BitcoinGUI::error(const QString &title, const QString &message, bool modal)
 712 {
 713     // Report errors from network/worker thread
 714     if(modal)
 715     {
 716         QMessageBox::critical(this, title, message, QMessageBox::Ok, QMessageBox::Ok);
 717     } else {
 718         notificator->notify(Notificator::Critical, title, message);
 719     }
 720 }
 721
 722 void BitcoinGUI::message(const QString &title, const QString &message, unsigned int style, const QString &detail)
 723 {
 724     QString strTitle = tr("NovaCoin") + " - ";
 725     // Default to information icon
 726     int nMBoxIcon = QMessageBox::Information;
 727     int nNotifyIcon = Notificator::Information;
 728
 729
 730     // Check for usage of predefined title
 731     switch (style) {
 732     case CClientUIInterface::MSG_ERROR:
 733         strTitle += tr("Error");
 734         break;
 735     case CClientUIInterface::MSG_WARNING:
 736         strTitle += tr("Warning");
 737         break;
 738     case CClientUIInterface::MSG_INFORMATION:
 739         strTitle += tr("Information");
 740         break;
 741     default:
 742         strTitle += title; // Use supplied title
 743     }
 744
 745     // Check for error/warning icon
 746     if (style & CClientUIInterface::ICON_ERROR) {
 747         nMBoxIcon = QMessageBox::Critical;
 748         nNotifyIcon = Notificator::Critical;
 749     }
 750     else if (style & CClientUIInterface::ICON_WARNING) {
 751         nMBoxIcon = QMessageBox::Warning;
 752         nNotifyIcon = Notificator::Warning;
 753     }
 754
 755     // Display message
 756     if (style & CClientUIInterface::MODAL) {
 757         // Check for buttons, use OK as default, if none was supplied
 758         QMessageBox::StandardButton buttons;
 759         buttons = QMessageBox::Ok;
 760
 761         QMessageBox mBox((QMessageBox::Icon)nMBoxIcon, strTitle, message, buttons);
 762
 763         if(!detail.isEmpty()) { mBox.setDetailedText(detail); }
 764
 765         mBox.exec();
 766     }
 767     else
 768         notificator->notify((Notificator::Class)nNotifyIcon, strTitle, message);
 769 }
 770
 771
 772 void BitcoinGUI::changeEvent(QEvent *e)
 773 {
 774     QMainWindow::changeEvent(e);
 775 #ifndef Q_OS_MAC // Ignored on Mac
 776     if(e->type() == QEvent::WindowStateChange)
 777     {
 778         if(clientModel && clientModel->getOptionsModel()->getMinimizeToTray())
 779         {
 780             QWindowStateChangeEvent *wsevt = static_cast<QWindowStateChangeEvent*>(e);
 781             if(!(wsevt->oldState() & Qt::WindowMinimized) && isMinimized())
 782             {
 783                 QTimer::singleShot(0, this, SLOT(hide()));
 784                 e->ignore();
 785             }
 786         }
 787     }
 788 #endif
 789 }
 790
 791 void BitcoinGUI::closeEvent(QCloseEvent *event)
 792 {
 793     if(clientModel)
 794     {
 795 #ifndef Q_OS_MAC // Ignored on Mac
 796         if(!clientModel->getOptionsModel()->getMinimizeOnClose())
 797         {
 798             qApp->quit();
 799         }
 800 #endif
 801     }
 802     QMainWindow::closeEvent(event);
 803 }
 804
 805 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 806 {
 807     QString strMessage =
 808         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 809           "which goes to the nodes that process your transaction and helps to support the network.  "
 810           "Do you want to pay the fee?").arg(
 811                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 812     QMessageBox::StandardButton retval = QMessageBox::question(
 813           this, tr("Confirm transaction fee"), strMessage,
 814           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 815     *payFee = (retval == QMessageBox::Yes);
 816 }
 817
 818 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 819 {
 820     if(!walletModel || !clientModel)
 821         return;
 822     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 823     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 824                     .data(Qt::EditRole).toULongLong();
 825     if(!clientModel->inInitialBlockDownload())
 826     {
 827         // On new transaction, make an info balloon
 828         // Unless the initial block download is in progress, to prevent balloon-spam
 829         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 830                         .data().toString();
 831         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 832                         .data().toString();
 833         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 834                         .data().toString();
 835         QIcon icon = qvariant_cast<QIcon>(ttm->index(start,
 836                             TransactionTableModel::ToAddress, parent)
 837                         .data(Qt::DecorationRole));
 838
 839         notificator->notify(Notificator::Information,
 840                             (amount)<0 ? tr("Sent transaction") :
 841                                          tr("Incoming transaction"),
 842                               tr("Date: %1\n"
 843                                  "Amount: %2\n"
 844                                  "Type: %3\n"
 845                                  "Address: %4\n")
 846                               .arg(date)
 847                               .arg(BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true))
 848                               .arg(type)
 849                               .arg(address), icon);
 850     }
 851 }
 852
 853 void BitcoinGUI::gotoOverviewPage()
 854 {
 855     overviewAction->setChecked(true);
 856     centralWidget->setCurrentWidget(overviewPage);
 857
 858     exportAction->setEnabled(false);
 859     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 860 }
 861
 862 void BitcoinGUI::gotoHistoryPage()
 863 {
 864     historyAction->setChecked(true);
 865     centralWidget->setCurrentWidget(transactionsPage);
 866
 867     exportAction->setEnabled(true);
 868     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 869     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 870 }
 871
 872 void BitcoinGUI::gotoMintingPage()
 873 {
 874     mintingAction->setChecked(true);
 875     centralWidget->setCurrentWidget(mintingPage);
 876
 877     exportAction->setEnabled(true);
 878     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 879     connect(exportAction, SIGNAL(triggered()), mintingView, SLOT(exportClicked()));
 880 }
 881
 882
 883 void BitcoinGUI::gotoAddressBookPage()
 884 {
 885     addressBookAction->setChecked(true);
 886     centralWidget->setCurrentWidget(addressBookPage);
 887
 888     exportAction->setEnabled(true);
 889     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 890     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 891 }
 892
 893 void BitcoinGUI::gotoReceiveCoinsPage()
 894 {
 895     receiveCoinsAction->setChecked(true);
 896     centralWidget->setCurrentWidget(receiveCoinsPage);
 897
 898     exportAction->setEnabled(true);
 899     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 900     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 901 }
 902
 903 void BitcoinGUI::gotoSendCoinsPage()
 904 {
 905     sendCoinsAction->setChecked(true);
 906     centralWidget->setCurrentWidget(sendCoinsPage);
 907
 908     exportAction->setEnabled(false);
 909     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 910 }
 911
 912 void BitcoinGUI::gotoSignMessageTab(QString addr)
 913 {
 914     // call show() in showTab_SM()
 915     signVerifyMessageDialog->showTab_SM(true);
 916
 917     if(!addr.isEmpty())
 918         signVerifyMessageDialog->setAddress_SM(addr);
 919 }
 920
 921 void BitcoinGUI::gotoVerifyMessageTab(QString addr)
 922 {
 923     // call show() in showTab_VM()
 924     signVerifyMessageDialog->showTab_VM(true);
 925
 926     if(!addr.isEmpty())
 927         signVerifyMessageDialog->setAddress_VM(addr);
 928 }
 929
 930 void BitcoinGUI::dragEnterEvent(QDragEnterEvent *event)
 931 {
 932     // Accept only URIs
 933     if(event->mimeData()->hasUrls())
 934         event->acceptProposedAction();
 935 }
 936
 937 void BitcoinGUI::dropEvent(QDropEvent *event)
 938 {
 939     if(event->mimeData()->hasUrls())
 940     {
 941         int nValidUrisFound = 0;
 942         QList<QUrl> uris = event->mimeData()->urls();
 943         foreach(const QUrl &uri, uris)
 944         {
 945             if (sendCoinsPage->handleURI(uri.toString()))
 946                 nValidUrisFound++;
 947         }
 948
 949         // if valid URIs were found
 950         if (nValidUrisFound)
 951             gotoSendCoinsPage();
 952         else
 953             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."));
 954     }
 955
 956     event->acceptProposedAction();
 957 }
 958
 959 void BitcoinGUI::handleURI(QString strURI)
 960 {
 961     // URI has to be valid
 962     if (sendCoinsPage->handleURI(strURI))
 963     {
 964         showNormalIfMinimized();
 965         gotoSendCoinsPage();
 966     }
 967     else
 968         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."));
 969 }
 970
 971 void BitcoinGUI::setEncryptionStatus(int status)
 972 {
 973     switch(status)
 974     {
 975     case WalletModel::Unencrypted:
 976         labelEncryptionIcon->hide();
 977         encryptWalletAction->setChecked(false);
 978         changePassphraseAction->setEnabled(false);
 979         lockWalletAction->setEnabled(false);
 980         unlockWalletAction->setEnabled(false);
 981         unlockWalletMiningAction->setEnabled(false);
 982         encryptWalletAction->setEnabled(true);
 983         break;
 984     case WalletModel::Unlocked:
 985         labelEncryptionIcon->show();
 986         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 987         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>unlocked</b>"));
 988         encryptWalletAction->setChecked(true);
 989         changePassphraseAction->setEnabled(true);
 990         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
 991
 992         lockWalletAction->setEnabled(true);
 993         lockWalletAction->setChecked(false);
 994         unlockWalletAction->setEnabled(false);
 995         unlockWalletMiningAction->setEnabled(false);
 996
 997         if (fWalletUnlockMintOnly)
 998             unlockWalletMiningAction->setChecked(true);
 999         else
1000             unlockWalletAction->setChecked(true);
1001
1002         break;
1003     case WalletModel::Locked:
1004         labelEncryptionIcon->show();
1005         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
1006         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>locked</b>"));
1007         encryptWalletAction->setChecked(true);
1008         changePassphraseAction->setEnabled(true);
1009         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
1010
1011         lockWalletAction->setChecked(true);
1012         unlockWalletAction->setChecked(false);
1013         unlockWalletMiningAction->setChecked(false);
1014
1015         lockWalletAction->setEnabled(false);
1016         unlockWalletAction->setEnabled(true);
1017         unlockWalletMiningAction->setEnabled(true);
1018         break;
1019     }
1020 }
1021
1022 void BitcoinGUI::encryptWallet(bool status)
1023 {
1024     if(!walletModel)
1025         return;
1026     AskPassphraseDialog dlg(status ? AskPassphraseDialog::Encrypt:
1027                                      AskPassphraseDialog::Decrypt, this);
1028     dlg.setModel(walletModel);
1029     dlg.exec();
1030
1031     setEncryptionStatus(walletModel->getEncryptionStatus());
1032 }
1033
1034 void BitcoinGUI::unlockWalletMining(bool status)
1035 {
1036     if(!walletModel)
1037         return;
1038
1039     // Unlock wallet when requested by wallet model
1040     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
1041     {
1042         AskPassphraseDialog dlg(AskPassphraseDialog::UnlockMining, this);
1043         dlg.setModel(walletModel);
1044         dlg.exec();
1045     }
1046 }
1047
1048 void BitcoinGUI::backupWallet()
1049 {
1050 #if QT_VERSION < 0x050000
1051     QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1052 #else
1053     QString saveDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1054 #endif
1055     QString filename = QFileDialog::getSaveFileName(this, tr("Backup Wallet"), saveDir, tr("Wallet Data (*.dat)"));
1056     if(!filename.isEmpty()) {
1057         if(!walletModel->backupWallet(filename)) {
1058             QMessageBox::warning(this, tr("Backup Failed"), tr("There was an error trying to save the wallet data to the new location."));
1059         }
1060     }
1061 }
1062
1063 void BitcoinGUI::dumpWallet()
1064 {
1065    if(!walletModel)
1066       return;
1067
1068    WalletModel::UnlockContext ctx(walletModel->requestUnlock());
1069    if(!ctx.isValid())
1070    {
1071        // Unlock wallet failed or was cancelled
1072        return;
1073    }
1074
1075 #if QT_VERSION < 0x050000
1076     QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1077 #else
1078     QString saveDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1079 #endif
1080     QString filename = QFileDialog::getSaveFileName(this, tr("Dump Wallet"), saveDir, tr("Wallet dump (*.txt)"));
1081     if(!filename.isEmpty()) {
1082         if(!walletModel->dumpWallet(filename)) {
1083             error(tr("Dump failed"),
1084                          tr("An error happened while trying to save the keys to your location.\n"
1085                             "Keys were not saved.")
1086                       ,CClientUIInterface::MSG_ERROR);
1087         }
1088         else
1089           message(tr("Dump successful"),
1090                        tr("Keys were saved to this file:\n%2")
1091                        .arg(filename)
1092                       ,CClientUIInterface::MSG_INFORMATION);
1093     }
1094 }
1095
1096 void BitcoinGUI::importWallet()
1097 {
1098    if(!walletModel)
1099       return;
1100
1101    WalletModel::UnlockContext ctx(walletModel->requestUnlock());
1102    if(!ctx.isValid())
1103    {
1104        // Unlock wallet failed or was cancelled
1105        return;
1106    }
1107
1108 #if QT_VERSION < 0x050000
1109     QString openDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1110 #else
1111     QString openDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1112 #endif
1113     QString filename = QFileDialog::getOpenFileName(this, tr("Import Wallet"), openDir, tr("Wallet dump (*.txt)"));
1114     if(!filename.isEmpty()) {
1115         if(!walletModel->importWallet(filename)) {
1116             error(tr("Import Failed"),
1117                          tr("An error happened while trying to import the keys.\n"
1118                             "Some or all keys from:\n %1,\n were not imported into your wallet.")
1119                          .arg(filename)
1120                       ,CClientUIInterface::MSG_ERROR);
1121         }
1122         else
1123           message(tr("Import Successful"),
1124                        tr("All keys from:\n %1,\n were imported into your wallet.")
1125                        .arg(filename)
1126                       ,CClientUIInterface::MSG_INFORMATION);
1127     }
1128 }
1129
1130
1131 void BitcoinGUI::changePassphrase()
1132 {
1133     AskPassphraseDialog dlg(AskPassphraseDialog::ChangePass, this);
1134     dlg.setModel(walletModel);
1135     dlg.exec();
1136 }
1137
1138 void BitcoinGUI::unlockWallet()
1139 {
1140     if(!walletModel)
1141         return;
1142     // Unlock wallet when requested by wallet model
1143     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
1144     {
1145         AskPassphraseDialog dlg(AskPassphraseDialog::Unlock, this);
1146         dlg.setModel(walletModel);
1147         dlg.exec();
1148     }
1149 }
1150
1151 void BitcoinGUI::lockWallet()
1152 {
1153     if(!walletModel)
1154         return;
1155
1156     walletModel->setWalletLocked(true);
1157 }
1158
1159 void BitcoinGUI::showNormalIfMinimized(bool fToggleHidden)
1160 {
1161     // activateWindow() (sometimes) helps with keyboard focus on Windows
1162     if (isHidden())
1163     {
1164         show();
1165         activateWindow();
1166     }
1167     else if (isMinimized())
1168     {
1169         showNormal();
1170         activateWindow();
1171     }
1172     else if (GUIUtil::isObscured(this))
1173     {
1174         raise();
1175         activateWindow();
1176     }
1177     else if(fToggleHidden)
1178         hide();
1179 }
1180
1181 void BitcoinGUI::toggleHidden()
1182 {
1183     showNormalIfMinimized(true);
1184 }