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 "multisigdialog.h"
  13 #include "optionsdialog.h"
  14 #include "aboutdialog.h"
  15 #include "clientmodel.h"
  16 #include "walletmodel.h"
  17 #include "editaddressdialog.h"
  18 #include "optionsmodel.h"
  19 #include "transactiondescdialog.h"
  20 #include "addresstablemodel.h"
  21 #include "transactionview.h"
  22 #include "overviewpage.h"
  23 #include "bitcoinunits.h"
  24 #include "guiconstants.h"
  25 #include "askpassphrasedialog.h"
  26 #include "notificator.h"
  27 #include "guiutil.h"
  28 #include "ui_interface.h"
  29 #include "rpcconsole.h"
  30 #include "mintingview.h"
  31
  32 #ifdef Q_OS_MAC
  33 #include "macdockiconhandler.h"
  34 #endif
  35
  36 #include <QApplication>
  37 #if QT_VERSION < 0x050000
  38 #include <QMainWindow>
  39 #endif
  40 #include <QMenuBar>
  41 #include <QMenu>
  42 #include <QIcon>
  43 #include <QTabWidget>
  44 #include <QVBoxLayout>
  45 #include <QToolBar>
  46 #include <QStatusBar>
  47 #include <QLabel>
  48 #include <QLineEdit>
  49 #include <QPushButton>
  50 #include <QLocale>
  51 #include <QMessageBox>
  52 #include <QProgressBar>
  53 #include <QStackedWidget>
  54 #include <QDateTime>
  55 #include <QMovie>
  56 #include <QFileDialog>
  57 #if QT_VERSION < 0x050000
  58 #include <QDesktopServices>
  59 #else
  60 #include <QStandardPaths>
  61 #endif
  62 #include <QTimer>
  63 #include <QDragEnterEvent>
  64 #if QT_VERSION < 0x050000
  65 #include <QUrl>
  66 #endif
  67 #include <QStyle>
  68 #include <QMimeData>
  69
  70 #include <iostream>
  71
  72 extern bool fWalletUnlockMintOnly;
  73
  74 BitcoinGUI::BitcoinGUI(QWidget *parent):
  75     QMainWindow(parent),
  76     clientModel(0),
  77     walletModel(0),
  78     encryptWalletAction(0),
  79     lockWalletAction(0),
  80     unlockWalletAction(0),
  81     unlockWalletMiningAction(0),
  82     changePassphraseAction(0),
  83     aboutQtAction(0),
  84     trayIcon(0),
  85     notificator(0),
  86     rpcConsole(0),
  87     aboutDialog(0)
  88 {
  89     resize(850, 550);
  90     setWindowTitle(tr("NovaCoin") + " - " + tr("Wallet"));
  91 #ifndef Q_OS_MAC
  92     qApp->setWindowIcon(QIcon(":icons/bitcoin"));
  93     setWindowIcon(QIcon(":icons/bitcoin"));
  94 #else
  95     setUnifiedTitleAndToolBarOnMac(true);
  96     QApplication::setAttribute(Qt::AA_DontShowIconsInMenus);
  97 #endif
  98     // Accept D&D of URIs
  99     setAcceptDrops(true);
 100
 101     // Create actions for the toolbar, menu bar and tray/dock icon
 102     createActions();
 103
 104     // Create application menu bar
 105     createMenuBar();
 106
 107     // Create the toolbars
 108     createToolBars();
 109
 110     // Create the tray icon (or setup the dock icon)
 111     createTrayIcon();
 112
 113     // Create tabs
 114     overviewPage = new OverviewPage();
 115
 116     transactionsPage = new QWidget(this);
 117     QVBoxLayout *vbox = new QVBoxLayout();
 118     transactionView = new TransactionView(this);
 119     vbox->addWidget(transactionView);
 120     transactionsPage->setLayout(vbox);
 121
 122     mintingPage = new QWidget(this);
 123     QVBoxLayout *vboxMinting = new QVBoxLayout();
 124     mintingView = new MintingView(this);
 125     vboxMinting->addWidget(mintingView);
 126     mintingPage->setLayout(vboxMinting);
 127
 128     addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
 129
 130     receiveCoinsPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab);
 131
 132     sendCoinsPage = new SendCoinsDialog(this);
 133
 134     signVerifyMessageDialog = new SignVerifyMessageDialog(this);
 135
 136     multisigPage = new MultisigDialog(this);
 137
 138     centralWidget = new QStackedWidget(this);
 139     centralWidget->addWidget(overviewPage);
 140     centralWidget->addWidget(transactionsPage);
 141     centralWidget->addWidget(mintingPage);
 142     centralWidget->addWidget(addressBookPage);
 143     centralWidget->addWidget(receiveCoinsPage);
 144     centralWidget->addWidget(sendCoinsPage);
 145     setCentralWidget(centralWidget);
 146
 147     // Create status bar
 148     statusBar();
 149
 150     // Status bar notification icons
 151     QFrame *frameBlocks = new QFrame();
 152     frameBlocks->setContentsMargins(0,0,0,0);
 153     frameBlocks->setMinimumWidth(72);
 154     frameBlocks->setMaximumWidth(72);
 155     QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
 156     frameBlocksLayout->setContentsMargins(3,0,3,0);
 157     frameBlocksLayout->setSpacing(3);
 158     labelEncryptionIcon = new QLabel();
 159     labelMiningIcon = new QLabel();
 160     labelConnectionsIcon = new QLabel();
 161     labelBlocksIcon = new QLabel();
 162     frameBlocksLayout->addStretch();
 163     frameBlocksLayout->addWidget(labelEncryptionIcon);
 164     frameBlocksLayout->addStretch();
 165     frameBlocksLayout->addWidget(labelMiningIcon);
 166     frameBlocksLayout->addStretch();
 167     frameBlocksLayout->addWidget(labelConnectionsIcon);
 168     frameBlocksLayout->addStretch();
 169     frameBlocksLayout->addWidget(labelBlocksIcon);
 170     frameBlocksLayout->addStretch();
 171
 172     // Progress bar and label for blocks download
 173     progressBarLabel = new QLabel();
 174     progressBarLabel->setVisible(false);
 175     progressBar = new QProgressBar();
 176     progressBar->setAlignment(Qt::AlignCenter);
 177     progressBar->setVisible(false);
 178
 179     // Override style sheet for progress bar for styles that have a segmented progress bar,
 180     // as they make the text unreadable (workaround for issue #1071)
 181     // See https://qt-project.org/doc/qt-4.8/gallery.html
 182     QString curStyle = qApp->style()->metaObject()->className();
 183     if(curStyle == "QWindowsStyle" || curStyle == "QWindowsXPStyle")
 184     {
 185         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; }");
 186     }
 187
 188     statusBar()->addWidget(progressBarLabel);
 189     statusBar()->addWidget(progressBar);
 190     statusBar()->addPermanentWidget(frameBlocks);
 191
 192     syncIconMovie = new QMovie(":/movies/update_spinner", "mng", this);
 193
 194     // Clicking on a transaction on the overview page simply sends you to transaction history page
 195     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), this, SLOT(gotoHistoryPage()));
 196     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), transactionView, SLOT(focusTransaction(QModelIndex)));
 197
 198     // Double-clicking on a transaction on the transaction history page shows details
 199     connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
 200
 201     rpcConsole = new RPCConsole(0);
 202     connect(openRPCConsoleAction, SIGNAL(triggered()), rpcConsole, SLOT(show()));
 203
 204     aboutDialog = new AboutDialog(0);
 205
 206     // Clicking on "Verify Message" in the address book sends you to the verify message tab
 207     connect(addressBookPage, SIGNAL(verifyMessage(QString)), this, SLOT(gotoVerifyMessageTab(QString)));
 208     // Clicking on "Sign Message" in the receive coins page sends you to the sign message tab
 209     connect(receiveCoinsPage, SIGNAL(signMessage(QString)), this, SLOT(gotoSignMessageTab(QString)));
 210
 211     gotoOverviewPage();
 212 }
 213
 214 BitcoinGUI::~BitcoinGUI()
 215 {
 216     if(trayIcon) // Hide tray icon, as deleting will let it linger until quit (on Ubuntu)
 217         trayIcon->hide();
 218 #ifdef Q_OS_MAC
 219     delete appMenuBar;
 220 #endif
 221
 222     delete rpcConsole;
 223     delete aboutDialog;
 224 }
 225
 226 void BitcoinGUI::createActions()
 227 {
 228     QActionGroup *tabGroup = new QActionGroup(this);
 229
 230     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 231     overviewAction->setToolTip(tr("Show general overview of wallet"));
 232     overviewAction->setCheckable(true);
 233     overviewAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_1));
 234     tabGroup->addAction(overviewAction);
 235
 236     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 237     sendCoinsAction->setToolTip(tr("Send coins to a NovaCoin address"));
 238     sendCoinsAction->setCheckable(true);
 239     sendCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_2));
 240     tabGroup->addAction(sendCoinsAction);
 241
 242     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 243     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 244     receiveCoinsAction->setCheckable(true);
 245     receiveCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_3));
 246     tabGroup->addAction(receiveCoinsAction);
 247
 248     historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
 249     historyAction->setToolTip(tr("Browse transaction history"));
 250     historyAction->setCheckable(true);
 251     historyAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_4));
 252     tabGroup->addAction(historyAction);
 253
 254     mintingAction = new QAction(QIcon(":/icons/history"), tr("&Minting"), this);
 255     mintingAction->setToolTip(tr("Show your minting capacity"));
 256     mintingAction->setCheckable(true);
 257     mintingAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_5));
 258     tabGroup->addAction(mintingAction);
 259
 260     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 261     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 262     addressBookAction->setCheckable(true);
 263     addressBookAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_6));
 264     tabGroup->addAction(addressBookAction);
 265
 266     multisigAction = new QAction(QIcon(":/icons/send"), tr("Multisig"), this);
 267     multisigAction->setStatusTip(tr("Open window for working with multisig addresses"));
 268     tabGroup->addAction(multisigAction);
 269
 270     connect(overviewAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 271     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 272     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 273     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 274     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 275     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 276     connect(historyAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 277     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 278     connect(mintingAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 279     connect(mintingAction, SIGNAL(triggered()), this, SLOT(gotoMintingPage()));
 280     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 281     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 282     connect(multisigAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 283     connect(multisigAction, SIGNAL(triggered()), this, SLOT(gotoMultisigPage()));
 284
 285     quitAction = new QAction(QIcon(":/icons/quit"), tr("E&xit"), this);
 286     quitAction->setStatusTip(tr("Quit application"));
 287     quitAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 288     quitAction->setMenuRole(QAction::QuitRole);
 289     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About NovaCoin"), this);
 290     aboutAction->setStatusTip(tr("Show information about NovaCoin"));
 291     aboutAction->setMenuRole(QAction::AboutRole);
 292 #if QT_VERSION < 0x050000
 293     aboutQtAction = new QAction(QIcon(":/trolltech/qmessagebox/images/qtlogo-64.png"), tr("About &Qt"), this);
 294 #else
 295     aboutQtAction = new QAction(QIcon(":/qt-project.org/qmessagebox/images/qtlogo-64.png"), tr("About &Qt"), this);
 296 #endif
 297     aboutQtAction->setStatusTip(tr("Show information about Qt"));
 298     aboutQtAction->setMenuRole(QAction::AboutQtRole);
 299     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 300     optionsAction->setStatusTip(tr("Modify configuration options for NovaCoin"));
 301     optionsAction->setMenuRole(QAction::PreferencesRole);
 302     toggleHideAction = new QAction(QIcon(":/icons/bitcoin"), tr("&Show / Hide"), this);
 303     encryptWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Encrypt Wallet..."), this);
 304     encryptWalletAction->setStatusTip(tr("Encrypt or decrypt wallet"));
 305     encryptWalletAction->setCheckable(true);
 306     backupWalletAction = new QAction(QIcon(":/icons/filesave"), tr("&Backup Wallet..."), this);
 307     backupWalletAction->setStatusTip(tr("Backup wallet to another location"));
 308     dumpWalletAction = new QAction(QIcon(":/icons/dump"), tr("&Dump Wallet..."), this);
 309     dumpWalletAction->setStatusTip(tr("Dump keys to a text file"));
 310     importWalletAction = new QAction(QIcon(":/icons/import"), tr("&Import Wallet..."), this);
 311     importWalletAction->setStatusTip(tr("Import keys into a wallet"));
 312     changePassphraseAction = new QAction(QIcon(":/icons/key"), tr("&Change Passphrase..."), this);
 313     changePassphraseAction->setStatusTip(tr("Change the passphrase used for wallet encryption"));
 314     signMessageAction = new QAction(QIcon(":/icons/edit"), tr("Sign &message..."), this);
 315     signMessageAction->setStatusTip(tr("Sign messages with your Novacoin addresses to prove you own them"));
 316     verifyMessageAction = new QAction(QIcon(":/icons/transaction_0"), tr("&Verify message..."), this);
 317     verifyMessageAction->setStatusTip(tr("Verify messages to ensure they were signed with specified Novacoin addresses"));
 318
 319     lockWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Lock wallet"), this);
 320     lockWalletAction->setStatusTip(tr("Lock wallet"));
 321     lockWalletAction->setCheckable(true);
 322
 323     unlockWalletAction = new QAction(QIcon(":/icons/lock_open"), tr("Unlo&ck wallet"), this);
 324     unlockWalletAction->setStatusTip(tr("Unlock wallet"));
 325     unlockWalletAction->setCheckable(true);
 326
 327     unlockWalletMiningAction = new QAction(QIcon(":/icons/mining_active"), tr("Unlo&ck wallet for mining"), this);
 328     unlockWalletMiningAction->setStatusTip(tr("Unlock wallet for mining"));
 329     unlockWalletMiningAction->setCheckable(true);
 330
 331     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
 332     exportAction->setStatusTip(tr("Export the data in the current tab to a file"));
 333     openRPCConsoleAction = new QAction(QIcon(":/icons/debugwindow"), tr("&Debug window"), this);
 334     openRPCConsoleAction->setStatusTip(tr("Open debugging and diagnostic console"));
 335
 336     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
 337     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 338     connect(aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
 339     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 340     connect(toggleHideAction, SIGNAL(triggered()), this, SLOT(toggleHidden()));
 341     connect(encryptWalletAction, SIGNAL(triggered(bool)), this, SLOT(encryptWallet(bool)));
 342     connect(lockWalletAction, SIGNAL(triggered(bool)), this, SLOT(lockWallet()));
 343     connect(unlockWalletAction, SIGNAL(triggered(bool)), this, SLOT(unlockWallet()));
 344     connect(unlockWalletMiningAction, SIGNAL(triggered(bool)), this, SLOT(unlockWalletMining(bool)));
 345     connect(backupWalletAction, SIGNAL(triggered()), this, SLOT(backupWallet()));
 346     connect(dumpWalletAction, SIGNAL(triggered()), this, SLOT(dumpWallet()));
 347     connect(importWalletAction, SIGNAL(triggered()), this, SLOT(importWallet()));
 348     connect(changePassphraseAction, SIGNAL(triggered()), this, SLOT(changePassphrase()));
 349     connect(signMessageAction, SIGNAL(triggered()), this, SLOT(gotoSignMessageTab()));
 350     connect(verifyMessageAction, SIGNAL(triggered()), this, SLOT(gotoVerifyMessageTab()));
 351 }
 352
 353 void BitcoinGUI::createMenuBar()
 354 {
 355 #ifdef Q_OS_MAC
 356     // Create a decoupled menu bar on Mac which stays even if the window is closed
 357     appMenuBar = new QMenuBar();
 358 #else
 359     // Get the main window's menu bar on other platforms
 360     appMenuBar = menuBar();
 361 #endif
 362
 363     // Configure the menus
 364     QMenu *file = appMenuBar->addMenu(tr("&File"));
 365     file->addAction(backupWalletAction);
 366     file->addSeparator();
 367     file->addAction(dumpWalletAction);
 368     file->addAction(importWalletAction);
 369     file->addAction(exportAction);
 370     file->addAction(signMessageAction);
 371     file->addAction(verifyMessageAction);
 372     file->addAction(multisigAction);
 373     file->addSeparator();
 374     file->addAction(quitAction);
 375
 376     QMenu *settings = appMenuBar->addMenu(tr("&Settings"));
 377     QMenu *securityMenu = settings->addMenu(QIcon(":/icons/key"), tr("&Wallet security"));
 378     securityMenu->addAction(encryptWalletAction);
 379     securityMenu->addAction(changePassphraseAction);
 380     securityMenu->addAction(unlockWalletAction);
 381     securityMenu->addAction(unlockWalletMiningAction);
 382     securityMenu->addAction(lockWalletAction);
 383     settings->addAction(optionsAction);
 384
 385     QMenu *help = appMenuBar->addMenu(tr("&Help"));
 386     help->addAction(openRPCConsoleAction);
 387     help->addSeparator();
 388     help->addAction(aboutAction);
 389     help->addAction(aboutQtAction);
 390 }
 391
 392 void BitcoinGUI::createToolBars()
 393 {
 394     QToolBar *toolbar = addToolBar(tr("Tabs toolbar"));
 395     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 396     toolbar->addAction(overviewAction);
 397     toolbar->addAction(sendCoinsAction);
 398     toolbar->addAction(receiveCoinsAction);
 399     toolbar->addAction(historyAction);
 400     toolbar->addAction(mintingAction);
 401     toolbar->addAction(addressBookAction);
 402
 403     QToolBar *toolbar2 = addToolBar(tr("Actions toolbar"));
 404     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 405     toolbar2->addAction(exportAction);
 406     toolbar2->setVisible(false);
 407
 408 }
 409
 410 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 411 {
 412     this->clientModel = clientModel;
 413     if(clientModel)
 414     {
 415         // Replace some strings and icons, when using the testnet
 416         if(clientModel->isTestNet())
 417         {
 418             setWindowTitle(windowTitle() + QString(" ") + tr("[testnet]"));
 419 #ifndef Q_OS_MAC
 420             qApp->setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 421             setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 422 #else
 423             MacDockIconHandler::instance()->setIcon(QIcon(":icons/bitcoin_testnet"));
 424 #endif
 425             if(trayIcon)
 426             {
 427                 trayIcon->setToolTip(tr("NovaCoin client") + QString(" ") + tr("[testnet]"));
 428                 trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 429                 toggleHideAction->setIcon(QIcon(":/icons/toolbar_testnet"));
 430             }
 431
 432             aboutAction->setIcon(QIcon(":/icons/toolbar_testnet"));
 433         }
 434
 435         // Keep up to date with client
 436         setNumConnections(clientModel->getNumConnections());
 437         connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 438
 439         setNumBlocks(clientModel->getNumBlocks(), clientModel->getNumBlocksOfPeers());
 440         connect(clientModel, SIGNAL(numBlocksChanged(int,int)), this, SLOT(setNumBlocks(int,int)));
 441
 442         QTimer *timer = new QTimer(this);
 443         connect(timer, SIGNAL(timeout()), this, SLOT(updateMining()));
 444         timer->start(10*1000); //10 seconds
 445
 446         // Report errors from network/worker thread
 447         connect(clientModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
 448
 449         rpcConsole->setClientModel(clientModel);
 450         addressBookPage->setOptionsModel(clientModel->getOptionsModel());
 451         receiveCoinsPage->setOptionsModel(clientModel->getOptionsModel());
 452     }
 453 }
 454
 455 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 456 {
 457     this->walletModel = walletModel;
 458     if(walletModel)
 459     {
 460         // Report errors from wallet thread
 461         connect(walletModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
 462
 463         // Put transaction list in tabs
 464         transactionView->setModel(walletModel);
 465         mintingView->setModel(walletModel);
 466
 467         overviewPage->setModel(walletModel);
 468         addressBookPage->setModel(walletModel->getAddressTableModel());
 469         receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 470         sendCoinsPage->setModel(walletModel);
 471         signVerifyMessageDialog->setModel(walletModel);
 472         multisigPage->setModel(walletModel);
 473
 474         setEncryptionStatus(walletModel->getEncryptionStatus());
 475         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
 476         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(updateMining()));
 477
 478         // Balloon pop-up for new transaction
 479         connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 480                 this, SLOT(incomingTransaction(QModelIndex,int,int)));
 481
 482         // Ask for passphrase if needed
 483         connect(walletModel, SIGNAL(requireUnlock()), this, SLOT(unlockWallet()));
 484     }
 485 }
 486
 487 void BitcoinGUI::createTrayIcon()
 488 {
 489     QMenu *trayIconMenu;
 490 #ifndef Q_OS_MAC
 491     trayIcon = new QSystemTrayIcon(this);
 492     trayIconMenu = new QMenu(this);
 493     trayIcon->setContextMenu(trayIconMenu);
 494     trayIcon->setToolTip(tr("NovaCoin client"));
 495     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 496     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 497             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 498     trayIcon->show();
 499 #else
 500     // Note: On Mac, the dock icon is used to provide the tray's functionality.
 501     MacDockIconHandler *dockIconHandler = MacDockIconHandler::instance();
 502     dockIconHandler->setMainWindow((QMainWindow *)this);
 503     trayIconMenu = dockIconHandler->dockMenu();
 504 #endif
 505
 506     // Configuration of the tray icon (or dock icon) icon menu
 507     trayIconMenu->addAction(toggleHideAction);
 508     trayIconMenu->addSeparator();
 509     trayIconMenu->addAction(sendCoinsAction);
 510     trayIconMenu->addAction(multisigAction);
 511     trayIconMenu->addAction(receiveCoinsAction);
 512     trayIconMenu->addSeparator();
 513     trayIconMenu->addAction(signMessageAction);
 514     trayIconMenu->addAction(verifyMessageAction);
 515     trayIconMenu->addSeparator();
 516     trayIconMenu->addAction(optionsAction);
 517     trayIconMenu->addAction(openRPCConsoleAction);
 518 #ifndef Q_OS_MAC
 519     // This is built-in on Mac
 520     trayIconMenu->addSeparator();
 521     trayIconMenu->addAction(quitAction);
 522 #endif
 523     notificator = new Notificator(QApplication::applicationName(), trayIcon, this);
 524 }
 525
 526 #ifndef Q_OS_MAC
 527 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 528 {
 529     if(reason == QSystemTrayIcon::Trigger)
 530     {
 531         // Click on system tray icon triggers show/hide of the main window
 532         toggleHideAction->trigger();
 533     }
 534 }
 535 #endif
 536
 537 void BitcoinGUI::optionsClicked()
 538 {
 539     if(!clientModel || !clientModel->getOptionsModel())
 540         return;
 541     OptionsDialog dlg;
 542     dlg.setModel(clientModel->getOptionsModel());
 543     dlg.exec();
 544 }
 545
 546 void BitcoinGUI::aboutClicked()
 547 {
 548     aboutDialog->setModel(clientModel);
 549     aboutDialog->setWindowModality(Qt::ApplicationModal);
 550     aboutDialog->show();
 551 }
 552
 553 void BitcoinGUI::setNumConnections(int count)
 554 {
 555     QString icon;
 556     switch(count)
 557     {
 558     case 0: icon = ":/icons/connect_0"; break;
 559     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 560     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 561     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 562     default: icon = ":/icons/connect_4"; break;
 563     }
 564     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 565     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to NovaCoin network", "", count));
 566 }
 567
 568 void BitcoinGUI::setNumBlocks(int count, int nTotalBlocks)
 569 {
 570     // don't show / hide progress bar and its label if we have no connection to the network
 571     if (!clientModel || clientModel->getNumConnections() == 0)
 572     {
 573         progressBarLabel->setVisible(false);
 574         progressBar->setVisible(false);
 575
 576         return;
 577     }
 578
 579     QString strStatusBarWarnings = clientModel->getStatusBarWarnings();
 580     QString tooltip;
 581
 582     if(count < nTotalBlocks)
 583     {
 584         int nRemainingBlocks = nTotalBlocks - count;
 585         float nPercentageDone = count / (nTotalBlocks * 0.01f);
 586
 587         if (strStatusBarWarnings.isEmpty())
 588         {
 589             progressBarLabel->setText(tr("Synchronizing with network..."));
 590             progressBarLabel->setVisible(true);
 591             progressBar->setFormat(tr("~%n block(s) remaining", "", nRemainingBlocks));
 592             progressBar->setMaximum(nTotalBlocks);
 593             progressBar->setValue(count);
 594             progressBar->setVisible(true);
 595         }
 596
 597         tooltip = tr("Downloaded %1 of %2 blocks of transaction history (%3% done).").arg(count).arg(nTotalBlocks).arg(nPercentageDone, 0, 'f', 2);
 598     }
 599     else
 600     {
 601         if (strStatusBarWarnings.isEmpty())
 602             progressBarLabel->setVisible(false);
 603
 604         progressBar->setVisible(false);
 605         tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
 606     }
 607
 608     // Override progressBarLabel text and hide progress bar, when we have warnings to display
 609     if (!strStatusBarWarnings.isEmpty())
 610     {
 611         progressBarLabel->setText(strStatusBarWarnings);
 612         progressBarLabel->setVisible(true);
 613         progressBar->setVisible(false);
 614     }
 615
 616     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 617     int secs = lastBlockDate.secsTo(QDateTime::currentDateTime());
 618     QString text;
 619
 620     // Represent time from last generated block in human readable text
 621     if(secs <= 0)
 622     {
 623         // Fully up to date. Leave text empty.
 624     }
 625     else if(secs < 60)
 626     {
 627         text = tr("%n second(s) ago","",secs);
 628     }
 629     else if(secs < 60*60)
 630     {
 631         text = tr("%n minute(s) ago","",secs/60);
 632     }
 633     else if(secs < 24*60*60)
 634     {
 635         text = tr("%n hour(s) ago","",secs/(60*60));
 636     }
 637     else
 638     {
 639         text = tr("%n day(s) ago","",secs/(60*60*24));
 640     }
 641
 642     // Set icon state: spinning if catching up, tick otherwise
 643     if(secs < 90*60 && count >= nTotalBlocks)
 644     {
 645         tooltip = tr("Up to date") + QString(".<br>") + tooltip;
 646         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE, STATUSBAR_ICONSIZE));
 647
 648         overviewPage->showOutOfSyncWarning(false);
 649     }
 650     else
 651     {
 652         tooltip = tr("Catching up...") + QString("<br>") + tooltip;
 653         labelBlocksIcon->setMovie(syncIconMovie);
 654         syncIconMovie->start();
 655
 656         overviewPage->showOutOfSyncWarning(true);
 657     }
 658
 659     if(!text.isEmpty())
 660     {
 661         tooltip += QString("<br>");
 662         tooltip += tr("Last received block was generated %1.").arg(text);
 663     }
 664
 665     // Don't word-wrap this (fixed-width) tooltip
 666     tooltip = QString("<nobr>") + tooltip + QString("</nobr>");
 667
 668     labelBlocksIcon->setToolTip(tooltip);
 669     progressBarLabel->setToolTip(tooltip);
 670     progressBar->setToolTip(tooltip);
 671 }
 672
 673 void BitcoinGUI::updateMining()
 674 {
 675    if(!walletModel)
 676       return;
 677
 678     labelMiningIcon->setPixmap(QIcon(":/icons/mining_inactive").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 679
 680     if (!clientModel->getNumConnections())
 681     {
 682         labelMiningIcon->setToolTip(tr("Wallet is offline"));
 683         return;
 684     }
 685
 686     if (walletModel->getEncryptionStatus() == WalletModel::Locked)
 687     {
 688         labelMiningIcon->setToolTip(tr("Wallet is locked"));
 689         return;
 690     }
 691
 692     if (clientModel->inInitialBlockDownload() || clientModel->getNumBlocksOfPeers() > clientModel->getNumBlocks())
 693     {
 694         labelMiningIcon->setToolTip(tr("Blockchain download is in progress"));
 695         return;
 696     }
 697
 698     float nKernelsRate = 0, nCoinDaysRate = 0;
 699     walletModel->getStakeStats(nKernelsRate, nCoinDaysRate);
 700
 701     if (nKernelsRate > 0)
 702     {
 703         labelMiningIcon->setPixmap(QIcon(":/icons/mining_active").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 704
 705         uint64_t nNetworkWeight = clientModel->getPoSKernelPS();
 706 /*
 707         double dDifficulty = clientModel->getDifficulty(true);
 708         QString msg;
 709
 710         int nApproxTime = 4294967297 * dDifficulty / nTotalWeight;
 711
 712         if (nApproxTime < 60)
 713             msg = tr("%n second(s)", "", nApproxTime);
 714         else if (nApproxTime < 60*60)
 715             msg = tr("%n minute(s)", "", nApproxTime / 60);
 716         else if (nApproxTime < 24*60*60)
 717             msg = tr("%n hour(s)", "", nApproxTime / 3600);
 718         else
 719             msg = tr("%n day(s)", "", nApproxTime / 86400);
 720
 721         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));
 722 */
 723
 724         labelMiningIcon->setToolTip(QString("<nobr>")+tr("Stake miner is active<br>Kernel rate is %1 k/s<br>CD rate is %2 CD/s<br>Network weight is %3").arg(nKernelsRate).arg(nCoinDaysRate).arg(nNetworkWeight)+QString("<\nobr>"));
 725     }
 726     else
 727         labelMiningIcon->setToolTip(tr("No suitable inputs were found"));
 728 }
 729
 730 void BitcoinGUI::error(const QString &title, const QString &message, bool modal)
 731 {
 732     // Report errors from network/worker thread
 733     if(modal)
 734     {
 735         QMessageBox::critical(this, title, message, QMessageBox::Ok, QMessageBox::Ok);
 736     } else {
 737         notificator->notify(Notificator::Critical, title, message);
 738     }
 739 }
 740
 741 void BitcoinGUI::message(const QString &title, const QString &message, unsigned int style, const QString &detail)
 742 {
 743     QString strTitle = tr("NovaCoin") + " - ";
 744     // Default to information icon
 745     int nMBoxIcon = QMessageBox::Information;
 746     int nNotifyIcon = Notificator::Information;
 747
 748
 749     // Check for usage of predefined title
 750     switch (style) {
 751     case CClientUIInterface::MSG_ERROR:
 752         strTitle += tr("Error");
 753         break;
 754     case CClientUIInterface::MSG_WARNING:
 755         strTitle += tr("Warning");
 756         break;
 757     case CClientUIInterface::MSG_INFORMATION:
 758         strTitle += tr("Information");
 759         break;
 760     default:
 761         strTitle += title; // Use supplied title
 762     }
 763
 764     // Check for error/warning icon
 765     if (style & CClientUIInterface::ICON_ERROR) {
 766         nMBoxIcon = QMessageBox::Critical;
 767         nNotifyIcon = Notificator::Critical;
 768     }
 769     else if (style & CClientUIInterface::ICON_WARNING) {
 770         nMBoxIcon = QMessageBox::Warning;
 771         nNotifyIcon = Notificator::Warning;
 772     }
 773
 774     // Display message
 775     if (style & CClientUIInterface::MODAL) {
 776         // Check for buttons, use OK as default, if none was supplied
 777         QMessageBox::StandardButton buttons;
 778         buttons = QMessageBox::Ok;
 779
 780         QMessageBox mBox((QMessageBox::Icon)nMBoxIcon, strTitle, message, buttons);
 781
 782         if(!detail.isEmpty()) { mBox.setDetailedText(detail); }
 783
 784         mBox.exec();
 785     }
 786     else
 787         notificator->notify((Notificator::Class)nNotifyIcon, strTitle, message);
 788 }
 789
 790
 791 void BitcoinGUI::changeEvent(QEvent *e)
 792 {
 793     QMainWindow::changeEvent(e);
 794 #ifndef Q_OS_MAC // Ignored on Mac
 795     if(e->type() == QEvent::WindowStateChange)
 796     {
 797         if(clientModel && clientModel->getOptionsModel()->getMinimizeToTray())
 798         {
 799             QWindowStateChangeEvent *wsevt = static_cast<QWindowStateChangeEvent*>(e);
 800             if(!(wsevt->oldState() & Qt::WindowMinimized) && isMinimized())
 801             {
 802                 QTimer::singleShot(0, this, SLOT(hide()));
 803                 e->ignore();
 804             }
 805         }
 806     }
 807 #endif
 808 }
 809
 810 void BitcoinGUI::closeEvent(QCloseEvent *event)
 811 {
 812     if(clientModel)
 813     {
 814 #ifndef Q_OS_MAC // Ignored on Mac
 815         if(!clientModel->getOptionsModel()->getMinimizeOnClose())
 816         {
 817             qApp->quit();
 818         }
 819 #endif
 820     }
 821     // close rpcConsole in case it was open to make some space for the shutdown window
 822     rpcConsole->close();
 823
 824     QMainWindow::closeEvent(event);
 825 }
 826
 827 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 828 {
 829     QString strMessage =
 830         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 831           "which goes to the nodes that process your transaction and helps to support the network.  "
 832           "Do you want to pay the fee?").arg(
 833                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 834     QMessageBox::StandardButton retval = QMessageBox::question(
 835           this, tr("Confirm transaction fee"), strMessage,
 836           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 837     *payFee = (retval == QMessageBox::Yes);
 838 }
 839
 840 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 841 {
 842     if(!walletModel || !clientModel)
 843         return;
 844     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 845     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 846                     .data(Qt::EditRole).toULongLong();
 847     if(!clientModel->inInitialBlockDownload())
 848     {
 849         // On new transaction, make an info balloon
 850         // Unless the initial block download is in progress, to prevent balloon-spam
 851         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 852                         .data().toString();
 853         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 854                         .data().toString();
 855         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 856                         .data().toString();
 857         QIcon icon = qvariant_cast<QIcon>(ttm->index(start,
 858                             TransactionTableModel::ToAddress, parent)
 859                         .data(Qt::DecorationRole));
 860
 861         notificator->notify(Notificator::Information,
 862                             (amount)<0 ? tr("Sent transaction") :
 863                                          tr("Incoming transaction"),
 864                               tr("Date: %1\n"
 865                                  "Amount: %2\n"
 866                                  "Type: %3\n"
 867                                  "Address: %4\n")
 868                               .arg(date)
 869                               .arg(BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true))
 870                               .arg(type)
 871                               .arg(address), icon);
 872     }
 873 }
 874
 875 void BitcoinGUI::gotoOverviewPage()
 876 {
 877     overviewAction->setChecked(true);
 878     centralWidget->setCurrentWidget(overviewPage);
 879
 880     exportAction->setEnabled(false);
 881     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 882 }
 883
 884 void BitcoinGUI::gotoHistoryPage()
 885 {
 886     historyAction->setChecked(true);
 887     centralWidget->setCurrentWidget(transactionsPage);
 888
 889     exportAction->setEnabled(true);
 890     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 891     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 892 }
 893
 894 void BitcoinGUI::gotoMintingPage()
 895 {
 896     mintingAction->setChecked(true);
 897     centralWidget->setCurrentWidget(mintingPage);
 898
 899     exportAction->setEnabled(true);
 900     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 901     connect(exportAction, SIGNAL(triggered()), mintingView, SLOT(exportClicked()));
 902 }
 903
 904
 905 void BitcoinGUI::gotoAddressBookPage()
 906 {
 907     addressBookAction->setChecked(true);
 908     centralWidget->setCurrentWidget(addressBookPage);
 909
 910     exportAction->setEnabled(true);
 911     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 912     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 913 }
 914
 915 void BitcoinGUI::gotoReceiveCoinsPage()
 916 {
 917     receiveCoinsAction->setChecked(true);
 918     centralWidget->setCurrentWidget(receiveCoinsPage);
 919
 920     exportAction->setEnabled(true);
 921     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 922     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 923 }
 924
 925 void BitcoinGUI::gotoSendCoinsPage()
 926 {
 927     sendCoinsAction->setChecked(true);
 928     centralWidget->setCurrentWidget(sendCoinsPage);
 929
 930     exportAction->setEnabled(false);
 931     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 932 }
 933
 934 void BitcoinGUI::gotoSignMessageTab(QString addr)
 935 {
 936     // call show() in showTab_SM()
 937     signVerifyMessageDialog->showTab_SM(true);
 938
 939     if(!addr.isEmpty())
 940         signVerifyMessageDialog->setAddress_SM(addr);
 941 }
 942
 943 void BitcoinGUI::gotoVerifyMessageTab(QString addr)
 944 {
 945     // call show() in showTab_VM()
 946     signVerifyMessageDialog->showTab_VM(true);
 947
 948     if(!addr.isEmpty())
 949         signVerifyMessageDialog->setAddress_VM(addr);
 950 }
 951
 952 void BitcoinGUI::gotoMultisigPage()
 953 {
 954     multisigPage->show();
 955     multisigPage->setFocus();
 956 }
 957
 958 void BitcoinGUI::dragEnterEvent(QDragEnterEvent *event)
 959 {
 960     // Accept only URIs
 961     if(event->mimeData()->hasUrls())
 962         event->acceptProposedAction();
 963 }
 964
 965 void BitcoinGUI::dropEvent(QDropEvent *event)
 966 {
 967     if(event->mimeData()->hasUrls())
 968     {
 969         int nValidUrisFound = 0;
 970         QList<QUrl> uris = event->mimeData()->urls();
 971         foreach(const QUrl &uri, uris)
 972         {
 973             if (sendCoinsPage->handleURI(uri.toString()))
 974                 nValidUrisFound++;
 975         }
 976
 977         // if valid URIs were found
 978         if (nValidUrisFound)
 979             gotoSendCoinsPage();
 980         else
 981             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."));
 982     }
 983
 984     event->acceptProposedAction();
 985 }
 986
 987 void BitcoinGUI::handleURI(QString strURI)
 988 {
 989     // URI has to be valid
 990     if (sendCoinsPage->handleURI(strURI))
 991     {
 992         showNormalIfMinimized();
 993         gotoSendCoinsPage();
 994     }
 995     else
 996         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."));
 997 }
 998
 999 void BitcoinGUI::setEncryptionStatus(int status)
1000 {
1001     switch(status)
1002     {
1003     case WalletModel::Unencrypted:
1004         labelEncryptionIcon->hide();
1005         encryptWalletAction->setChecked(false);
1006         changePassphraseAction->setEnabled(false);
1007         lockWalletAction->setEnabled(false);
1008         unlockWalletAction->setEnabled(false);
1009         unlockWalletMiningAction->setEnabled(false);
1010         encryptWalletAction->setEnabled(true);
1011         break;
1012     case WalletModel::Unlocked:
1013         labelEncryptionIcon->show();
1014         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
1015         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>unlocked</b>"));
1016         encryptWalletAction->setChecked(true);
1017         changePassphraseAction->setEnabled(true);
1018         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
1019
1020         lockWalletAction->setEnabled(true);
1021         lockWalletAction->setChecked(false);
1022         unlockWalletAction->setEnabled(false);
1023         unlockWalletMiningAction->setEnabled(false);
1024
1025         if (fWalletUnlockMintOnly)
1026             unlockWalletMiningAction->setChecked(true);
1027         else
1028             unlockWalletAction->setChecked(true);
1029
1030         break;
1031     case WalletModel::Locked:
1032         labelEncryptionIcon->show();
1033         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
1034         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>locked</b>"));
1035         encryptWalletAction->setChecked(true);
1036         changePassphraseAction->setEnabled(true);
1037         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
1038
1039         lockWalletAction->setChecked(true);
1040         unlockWalletAction->setChecked(false);
1041         unlockWalletMiningAction->setChecked(false);
1042
1043         lockWalletAction->setEnabled(false);
1044         unlockWalletAction->setEnabled(true);
1045         unlockWalletMiningAction->setEnabled(true);
1046         break;
1047     }
1048 }
1049
1050 void BitcoinGUI::encryptWallet(bool status)
1051 {
1052     if(!walletModel)
1053         return;
1054     AskPassphraseDialog dlg(status ? AskPassphraseDialog::Encrypt:
1055                                      AskPassphraseDialog::Decrypt, this);
1056     dlg.setModel(walletModel);
1057     dlg.exec();
1058
1059     setEncryptionStatus(walletModel->getEncryptionStatus());
1060 }
1061
1062 void BitcoinGUI::unlockWalletMining(bool status)
1063 {
1064     if(!walletModel)
1065         return;
1066
1067     // Unlock wallet when requested by wallet model
1068     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
1069     {
1070         AskPassphraseDialog dlg(AskPassphraseDialog::UnlockMining, this);
1071         dlg.setModel(walletModel);
1072         dlg.exec();
1073     }
1074 }
1075
1076 void BitcoinGUI::backupWallet()
1077 {
1078 #if QT_VERSION < 0x050000
1079     QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1080 #else
1081     QString saveDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1082 #endif
1083     QString filename = QFileDialog::getSaveFileName(this, tr("Backup Wallet"), saveDir, tr("Wallet Data (*.dat)"));
1084     if(!filename.isEmpty()) {
1085         if(!walletModel->backupWallet(filename)) {
1086             QMessageBox::warning(this, tr("Backup Failed"), tr("There was an error trying to save the wallet data to the new location."));
1087         }
1088     }
1089 }
1090
1091 void BitcoinGUI::dumpWallet()
1092 {
1093    if(!walletModel)
1094       return;
1095
1096    WalletModel::UnlockContext ctx(walletModel->requestUnlock());
1097    if(!ctx.isValid())
1098    {
1099        // Unlock wallet failed or was cancelled
1100        return;
1101    }
1102
1103 #if QT_VERSION < 0x050000
1104     QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1105 #else
1106     QString saveDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1107 #endif
1108     QString filename = QFileDialog::getSaveFileName(this, tr("Dump Wallet"), saveDir, tr("Wallet dump (*.txt)"));
1109     if(!filename.isEmpty()) {
1110         if(!walletModel->dumpWallet(filename)) {
1111             error(tr("Dump failed"),
1112                          tr("An error happened while trying to save the keys to your location.\n"
1113                             "Keys were not saved.")
1114                       ,CClientUIInterface::MSG_ERROR);
1115         }
1116         else
1117           message(tr("Dump successful"),
1118                        tr("Keys were saved to this file:\n%2")
1119                        .arg(filename)
1120                       ,CClientUIInterface::MSG_INFORMATION);
1121     }
1122 }
1123
1124 void BitcoinGUI::importWallet()
1125 {
1126    if(!walletModel)
1127       return;
1128
1129    WalletModel::UnlockContext ctx(walletModel->requestUnlock());
1130    if(!ctx.isValid())
1131    {
1132        // Unlock wallet failed or was cancelled
1133        return;
1134    }
1135
1136 #if QT_VERSION < 0x050000
1137     QString openDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1138 #else
1139     QString openDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1140 #endif
1141     QString filename = QFileDialog::getOpenFileName(this, tr("Import Wallet"), openDir, tr("Wallet dump (*.txt)"));
1142     if(!filename.isEmpty()) {
1143         if(!walletModel->importWallet(filename)) {
1144             error(tr("Import Failed"),
1145                          tr("An error happened while trying to import the keys.\n"
1146                             "Some or all keys from:\n %1,\n were not imported into your wallet.")
1147                          .arg(filename)
1148                       ,CClientUIInterface::MSG_ERROR);
1149         }
1150         else
1151           message(tr("Import Successful"),
1152                        tr("All keys from:\n %1,\n were imported into your wallet.")
1153                        .arg(filename)
1154                       ,CClientUIInterface::MSG_INFORMATION);
1155     }
1156 }
1157
1158
1159 void BitcoinGUI::changePassphrase()
1160 {
1161     AskPassphraseDialog dlg(AskPassphraseDialog::ChangePass, this);
1162     dlg.setModel(walletModel);
1163     dlg.exec();
1164 }
1165
1166 void BitcoinGUI::unlockWallet()
1167 {
1168     if(!walletModel)
1169         return;
1170     // Unlock wallet when requested by wallet model
1171     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
1172     {
1173         AskPassphraseDialog dlg(AskPassphraseDialog::Unlock, this);
1174         dlg.setModel(walletModel);
1175         dlg.exec();
1176     }
1177 }
1178
1179 void BitcoinGUI::lockWallet()
1180 {
1181     if(!walletModel)
1182         return;
1183
1184     walletModel->setWalletLocked(true);
1185 }
1186
1187 void BitcoinGUI::showNormalIfMinimized(bool fToggleHidden)
1188 {
1189     // activateWindow() (sometimes) helps with keyboard focus on Windows
1190     if (isHidden())
1191     {
1192         // Make sure the window is not minimized
1193         setWindowState(windowState() & (~Qt::WindowMinimized | Qt::WindowActive));
1194         // Then show it
1195         show();
1196         raise();
1197         activateWindow();
1198     }
1199     else if (isMinimized())
1200     {
1201         showNormal();
1202         raise();
1203         activateWindow();
1204     }
1205     else if (GUIUtil::isObscured(this))
1206     {
1207         raise();
1208         activateWindow();
1209         if(fToggleHidden)
1210         {
1211             Sleep(1);
1212             if (GUIUtil::isObscured(this))
1213                 hide();
1214         }
1215     }
1216     else if(fToggleHidden)
1217         hide();
1218 }
1219
1220 void BitcoinGUI::toggleHidden()
1221 {
1222     showNormalIfMinimized(true);
1223 }