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