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     optionsDialog(0),
  89     multisigPage(0)
  90 {
  91     resize(850, 550);
  92     setWindowTitle(tr("NovaCoin") + " - " + tr("Wallet"));
  93 #ifndef Q_OS_MAC
  94     qApp->setWindowIcon(QIcon(":icons/bitcoin"));
  95     setWindowIcon(QIcon(":icons/bitcoin"));
  96 #else
  97     setUnifiedTitleAndToolBarOnMac(true);
  98     QApplication::setAttribute(Qt::AA_DontShowIconsInMenus);
  99 #endif
 100     // Accept D&D of URIs
 101     setAcceptDrops(true);
 102
 103     // Create actions for the toolbar, menu bar and tray/dock icon
 104     createActions();
 105
 106     // Create application menu bar
 107     createMenuBar();
 108
 109     // Create the toolbars
 110     createToolBars();
 111
 112     // Create the tray icon (or setup the dock icon)
 113     createTrayIcon();
 114
 115     // Create tabs
 116     overviewPage = new OverviewPage();
 117
 118     transactionsPage = new QWidget(this);
 119     QVBoxLayout *vbox = new QVBoxLayout();
 120     transactionView = new TransactionView(this);
 121     vbox->addWidget(transactionView);
 122     transactionsPage->setLayout(vbox);
 123
 124     mintingPage = new QWidget(this);
 125     QVBoxLayout *vboxMinting = new QVBoxLayout();
 126     mintingView = new MintingView(this);
 127     vboxMinting->addWidget(mintingView);
 128     mintingPage->setLayout(vboxMinting);
 129
 130     addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
 131
 132     receiveCoinsPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab);
 133
 134     sendCoinsPage = new SendCoinsDialog(this);
 135
 136     signVerifyMessageDialog = new SignVerifyMessageDialog(this);
 137
 138     multisigPage = new MultisigDialog(0);
 139
 140     centralWidget = new QStackedWidget(this);
 141     centralWidget->addWidget(overviewPage);
 142     centralWidget->addWidget(transactionsPage);
 143     centralWidget->addWidget(mintingPage);
 144     centralWidget->addWidget(addressBookPage);
 145     centralWidget->addWidget(receiveCoinsPage);
 146     centralWidget->addWidget(sendCoinsPage);
 147     setCentralWidget(centralWidget);
 148
 149     // Create status bar
 150     statusBar();
 151
 152     // Status bar notification icons
 153     QFrame *frameBlocks = new QFrame();
 154     frameBlocks->setContentsMargins(0,0,0,0);
 155     frameBlocks->setMinimumWidth(72);
 156     frameBlocks->setMaximumWidth(72);
 157     QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
 158     frameBlocksLayout->setContentsMargins(3,0,3,0);
 159     frameBlocksLayout->setSpacing(3);
 160     labelEncryptionIcon = new QLabel();
 161     labelMiningIcon = new QLabel();
 162     labelConnectionsIcon = new QLabel();
 163     labelBlocksIcon = new QLabel();
 164     frameBlocksLayout->addStretch();
 165     frameBlocksLayout->addWidget(labelEncryptionIcon);
 166     frameBlocksLayout->addStretch();
 167     frameBlocksLayout->addWidget(labelMiningIcon);
 168     frameBlocksLayout->addStretch();
 169     frameBlocksLayout->addWidget(labelConnectionsIcon);
 170     frameBlocksLayout->addStretch();
 171     frameBlocksLayout->addWidget(labelBlocksIcon);
 172     frameBlocksLayout->addStretch();
 173
 174     // Progress bar and label for blocks download
 175     progressBarLabel = new QLabel();
 176     progressBarLabel->setVisible(false);
 177     progressBar = new QProgressBar();
 178     progressBar->setAlignment(Qt::AlignCenter);
 179     progressBar->setVisible(false);
 180
 181     // Override style sheet for progress bar for styles that have a segmented progress bar,
 182     // as they make the text unreadable (workaround for issue #1071)
 183     // See https://qt-project.org/doc/qt-4.8/gallery.html
 184     QString curStyle = qApp->style()->metaObject()->className();
 185     if(curStyle == "QWindowsStyle" || curStyle == "QWindowsXPStyle")
 186     {
 187         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; }");
 188     }
 189
 190     statusBar()->addWidget(progressBarLabel);
 191     statusBar()->addWidget(progressBar);
 192     statusBar()->addPermanentWidget(frameBlocks);
 193
 194     syncIconMovie = new QMovie(":/movies/update_spinner", "mng", this);
 195
 196     // Clicking on a transaction on the overview page simply sends you to transaction history page
 197     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), this, SLOT(gotoHistoryPage()));
 198     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), transactionView, SLOT(focusTransaction(QModelIndex)));
 199
 200     // Double-clicking on a transaction on the transaction history page shows details
 201     connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
 202
 203     rpcConsole = new RPCConsole(0);
 204     connect(openRPCConsoleAction, SIGNAL(triggered()), rpcConsole, SLOT(show()));
 205
 206     aboutDialog = new AboutDialog(0);
 207     optionsDialog = new OptionsDialog(0);
 208
 209     // Clicking on "Verify Message" in the address book sends you to the verify message tab
 210     connect(addressBookPage, SIGNAL(verifyMessage(QString)), this, SLOT(gotoVerifyMessageTab(QString)));
 211     // Clicking on "Sign Message" in the receive coins page sends you to the sign message tab
 212     connect(receiveCoinsPage, SIGNAL(signMessage(QString)), this, SLOT(gotoSignMessageTab(QString)));
 213
 214     gotoOverviewPage();
 215 }
 216
 217 BitcoinGUI::~BitcoinGUI()
 218 {
 219     if(trayIcon) // Hide tray icon, as deleting will let it linger until quit (on Ubuntu)
 220         trayIcon->hide();
 221 #ifdef Q_OS_MAC
 222     delete appMenuBar;
 223 #endif
 224
 225     delete rpcConsole;
 226     delete aboutDialog;
 227     delete optionsDialog;
 228     delete multisigPage;
 229 }
 230
 231 void BitcoinGUI::createActions()
 232 {
 233     QActionGroup *tabGroup = new QActionGroup(this);
 234
 235     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 236     overviewAction->setToolTip(tr("Show general overview of wallet"));
 237     overviewAction->setCheckable(true);
 238     overviewAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_1));
 239     tabGroup->addAction(overviewAction);
 240
 241     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 242     sendCoinsAction->setToolTip(tr("Send coins to a NovaCoin address"));
 243     sendCoinsAction->setCheckable(true);
 244     sendCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_2));
 245     tabGroup->addAction(sendCoinsAction);
 246
 247     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 248     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 249     receiveCoinsAction->setCheckable(true);
 250     receiveCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_3));
 251     tabGroup->addAction(receiveCoinsAction);
 252
 253     historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
 254     historyAction->setToolTip(tr("Browse transaction history"));
 255     historyAction->setCheckable(true);
 256     historyAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_4));
 257     tabGroup->addAction(historyAction);
 258
 259     mintingAction = new QAction(QIcon(":/icons/history"), tr("&Minting"), this);
 260     mintingAction->setToolTip(tr("Show your minting capacity"));
 261     mintingAction->setCheckable(true);
 262     mintingAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_5));
 263     tabGroup->addAction(mintingAction);
 264
 265     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 266     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 267     addressBookAction->setCheckable(true);
 268     addressBookAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_6));
 269     tabGroup->addAction(addressBookAction);
 270
 271     multisigAction = new QAction(QIcon(":/icons/send"), tr("Multisig"), this);
 272     multisigAction->setStatusTip(tr("Open window for working with multisig addresses"));
 273     tabGroup->addAction(multisigAction);
 274
 275     connect(overviewAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 276     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 277     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 278     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 279     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 280     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 281     connect(historyAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 282     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 283     connect(mintingAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 284     connect(mintingAction, SIGNAL(triggered()), this, SLOT(gotoMintingPage()));
 285     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 286     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 287     connect(multisigAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 288     connect(multisigAction, SIGNAL(triggered()), this, SLOT(gotoMultisigPage()));
 289
 290     quitAction = new QAction(QIcon(":/icons/quit"), tr("E&xit"), this);
 291     quitAction->setStatusTip(tr("Quit application"));
 292     quitAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 293     quitAction->setMenuRole(QAction::QuitRole);
 294     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About NovaCoin"), this);
 295     aboutAction->setStatusTip(tr("Show information about NovaCoin"));
 296     aboutAction->setMenuRole(QAction::AboutRole);
 297 #if QT_VERSION < 0x050000
 298     aboutQtAction = new QAction(QIcon(":/trolltech/qmessagebox/images/qtlogo-64.png"), tr("About &Qt"), this);
 299 #else
 300     aboutQtAction = new QAction(QIcon(":/qt-project.org/qmessagebox/images/qtlogo-64.png"), tr("About &Qt"), this);
 301 #endif
 302     aboutQtAction->setStatusTip(tr("Show information about Qt"));
 303     aboutQtAction->setMenuRole(QAction::AboutQtRole);
 304     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 305     optionsAction->setStatusTip(tr("Modify configuration options for NovaCoin"));
 306     optionsAction->setMenuRole(QAction::PreferencesRole);
 307     toggleHideAction = new QAction(QIcon(":/icons/bitcoin"), tr("&Show / Hide"), this);
 308     encryptWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Encrypt Wallet..."), this);
 309     encryptWalletAction->setStatusTip(tr("Encrypt or decrypt wallet"));
 310     encryptWalletAction->setCheckable(true);
 311     backupWalletAction = new QAction(QIcon(":/icons/filesave"), tr("&Backup Wallet..."), this);
 312     backupWalletAction->setStatusTip(tr("Backup wallet to another location"));
 313     dumpWalletAction = new QAction(QIcon(":/icons/dump"), tr("&Dump Wallet..."), this);
 314     dumpWalletAction->setStatusTip(tr("Dump keys to a text file"));
 315     importWalletAction = new QAction(QIcon(":/icons/import"), tr("&Import Wallet..."), this);
 316     importWalletAction->setStatusTip(tr("Import keys into a wallet"));
 317     changePassphraseAction = new QAction(QIcon(":/icons/key"), tr("&Change Passphrase..."), this);
 318     changePassphraseAction->setStatusTip(tr("Change the passphrase used for wallet encryption"));
 319     signMessageAction = new QAction(QIcon(":/icons/edit"), tr("Sign &message..."), this);
 320     signMessageAction->setStatusTip(tr("Sign messages with your Novacoin addresses to prove you own them"));
 321     verifyMessageAction = new QAction(QIcon(":/icons/transaction_0"), tr("&Verify message..."), this);
 322     verifyMessageAction->setStatusTip(tr("Verify messages to ensure they were signed with specified Novacoin addresses"));
 323
 324     lockWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Lock wallet"), this);
 325     lockWalletAction->setStatusTip(tr("Lock wallet"));
 326     lockWalletAction->setCheckable(true);
 327
 328     unlockWalletAction = new QAction(QIcon(":/icons/lock_open"), tr("Unlo&ck wallet"), this);
 329     unlockWalletAction->setStatusTip(tr("Unlock wallet"));
 330     unlockWalletAction->setCheckable(true);
 331
 332     unlockWalletMiningAction = new QAction(QIcon(":/icons/mining_active"), tr("Unlo&ck wallet for mining"), this);
 333     unlockWalletMiningAction->setStatusTip(tr("Unlock wallet for mining"));
 334     unlockWalletMiningAction->setCheckable(true);
 335
 336     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
 337     exportAction->setStatusTip(tr("Export the data in the current tab to a file"));
 338     openRPCConsoleAction = new QAction(QIcon(":/icons/debugwindow"), tr("&Debug window"), this);
 339     openRPCConsoleAction->setStatusTip(tr("Open debugging and diagnostic console"));
 340
 341     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
 342     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 343     connect(aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
 344     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 345     connect(toggleHideAction, SIGNAL(triggered()), this, SLOT(toggleHidden()));
 346     connect(encryptWalletAction, SIGNAL(triggered(bool)), this, SLOT(encryptWallet(bool)));
 347     connect(lockWalletAction, SIGNAL(triggered(bool)), this, SLOT(lockWallet()));
 348     connect(unlockWalletAction, SIGNAL(triggered(bool)), this, SLOT(unlockWallet()));
 349     connect(unlockWalletMiningAction, SIGNAL(triggered(bool)), this, SLOT(unlockWalletMining(bool)));
 350     connect(backupWalletAction, SIGNAL(triggered()), this, SLOT(backupWallet()));
 351     connect(dumpWalletAction, SIGNAL(triggered()), this, SLOT(dumpWallet()));
 352     connect(importWalletAction, SIGNAL(triggered()), this, SLOT(importWallet()));
 353     connect(changePassphraseAction, SIGNAL(triggered()), this, SLOT(changePassphrase()));
 354     connect(signMessageAction, SIGNAL(triggered()), this, SLOT(gotoSignMessageTab()));
 355     connect(verifyMessageAction, SIGNAL(triggered()), this, SLOT(gotoVerifyMessageTab()));
 356 }
 357
 358 void BitcoinGUI::createMenuBar()
 359 {
 360 #ifdef Q_OS_MAC
 361     // Create a decoupled menu bar on Mac which stays even if the window is closed
 362     appMenuBar = new QMenuBar();
 363 #else
 364     // Get the main window's menu bar on other platforms
 365     appMenuBar = menuBar();
 366 #endif
 367
 368     // Configure the menus
 369     QMenu *file = appMenuBar->addMenu(tr("&File"));
 370     file->addAction(backupWalletAction);
 371     file->addSeparator();
 372     file->addAction(dumpWalletAction);
 373     file->addAction(importWalletAction);
 374     file->addAction(exportAction);
 375     file->addAction(signMessageAction);
 376     file->addAction(verifyMessageAction);
 377     file->addAction(multisigAction);
 378     file->addSeparator();
 379     file->addAction(quitAction);
 380
 381     QMenu *settings = appMenuBar->addMenu(tr("&Settings"));
 382     QMenu *securityMenu = settings->addMenu(QIcon(":/icons/key"), tr("&Wallet security"));
 383     securityMenu->addAction(encryptWalletAction);
 384     securityMenu->addAction(changePassphraseAction);
 385     securityMenu->addAction(unlockWalletAction);
 386     securityMenu->addAction(unlockWalletMiningAction);
 387     securityMenu->addAction(lockWalletAction);
 388     settings->addAction(optionsAction);
 389
 390     QMenu *help = appMenuBar->addMenu(tr("&Help"));
 391     help->addAction(openRPCConsoleAction);
 392     help->addSeparator();
 393     help->addAction(aboutAction);
 394     help->addAction(aboutQtAction);
 395 }
 396
 397 void BitcoinGUI::createToolBars()
 398 {
 399     QToolBar *toolbar = addToolBar(tr("Tabs toolbar"));
 400     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 401     toolbar->addAction(overviewAction);
 402     toolbar->addAction(sendCoinsAction);
 403     toolbar->addAction(receiveCoinsAction);
 404     toolbar->addAction(historyAction);
 405     toolbar->addAction(mintingAction);
 406     toolbar->addAction(addressBookAction);
 407
 408     QToolBar *toolbar2 = addToolBar(tr("Actions toolbar"));
 409     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 410     toolbar2->addAction(exportAction);
 411     toolbar2->setVisible(false);
 412
 413 }
 414
 415 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 416 {
 417     this->clientModel = clientModel;
 418     if(clientModel)
 419     {
 420         // Replace some strings and icons, when using the testnet
 421         if(clientModel->isTestNet())
 422         {
 423             setWindowTitle(windowTitle() + QString(" ") + tr("[testnet]"));
 424 #ifndef Q_OS_MAC
 425             qApp->setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 426             setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 427 #else
 428             MacDockIconHandler::instance()->setIcon(QIcon(":icons/bitcoin_testnet"));
 429 #endif
 430             if(trayIcon)
 431             {
 432                 trayIcon->setToolTip(tr("NovaCoin client") + QString(" ") + tr("[testnet]"));
 433                 trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 434                 toggleHideAction->setIcon(QIcon(":/icons/toolbar_testnet"));
 435             }
 436
 437             aboutAction->setIcon(QIcon(":/icons/toolbar_testnet"));
 438         }
 439
 440         // Keep up to date with client
 441         setNumConnections(clientModel->getNumConnections());
 442         connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 443
 444         setNumBlocks(clientModel->getNumBlocks(), clientModel->getNumBlocksOfPeers());
 445         connect(clientModel, SIGNAL(numBlocksChanged(int,int)), this, SLOT(setNumBlocks(int,int)));
 446
 447         QTimer *timer = new QTimer(this);
 448         connect(timer, SIGNAL(timeout()), this, SLOT(updateMining()));
 449         timer->start(10*1000); //10 seconds
 450
 451         // Report errors from network/worker thread
 452         connect(clientModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
 453
 454         rpcConsole->setClientModel(clientModel);
 455         addressBookPage->setOptionsModel(clientModel->getOptionsModel());
 456         receiveCoinsPage->setOptionsModel(clientModel->getOptionsModel());
 457     }
 458 }
 459
 460 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 461 {
 462     this->walletModel = walletModel;
 463     if(walletModel)
 464     {
 465         // Report errors from wallet thread
 466         connect(walletModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
 467
 468         // Put transaction list in tabs
 469         transactionView->setModel(walletModel);
 470         mintingView->setModel(walletModel);
 471
 472         overviewPage->setModel(walletModel);
 473         addressBookPage->setModel(walletModel->getAddressTableModel());
 474         receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 475         sendCoinsPage->setModel(walletModel);
 476         signVerifyMessageDialog->setModel(walletModel);
 477         multisigPage->setModel(walletModel);
 478
 479         setEncryptionStatus(walletModel->getEncryptionStatus());
 480         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
 481         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(updateMining()));
 482
 483         // Balloon pop-up for new transaction
 484         connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 485                 this, SLOT(incomingTransaction(QModelIndex,int,int)));
 486
 487         // Ask for passphrase if needed
 488         connect(walletModel, SIGNAL(requireUnlock()), this, SLOT(unlockWallet()));
 489     }
 490 }
 491
 492 void BitcoinGUI::createTrayIcon()
 493 {
 494     QMenu *trayIconMenu;
 495 #ifndef Q_OS_MAC
 496     trayIcon = new QSystemTrayIcon(this);
 497     trayIconMenu = new QMenu(this);
 498     trayIcon->setContextMenu(trayIconMenu);
 499     trayIcon->setToolTip(tr("NovaCoin client"));
 500     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 501     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 502             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 503     trayIcon->show();
 504 #else
 505     // Note: On Mac, the dock icon is used to provide the tray's functionality.
 506     MacDockIconHandler *dockIconHandler = MacDockIconHandler::instance();
 507     dockIconHandler->setMainWindow((QMainWindow *)this);
 508     trayIconMenu = dockIconHandler->dockMenu();
 509 #endif
 510
 511     // Configuration of the tray icon (or dock icon) icon menu
 512     trayIconMenu->addAction(toggleHideAction);
 513     trayIconMenu->addSeparator();
 514     trayIconMenu->addAction(sendCoinsAction);
 515     trayIconMenu->addAction(multisigAction);
 516     trayIconMenu->addAction(receiveCoinsAction);
 517     trayIconMenu->addSeparator();
 518     trayIconMenu->addAction(signMessageAction);
 519     trayIconMenu->addAction(verifyMessageAction);
 520     trayIconMenu->addSeparator();
 521     trayIconMenu->addAction(optionsAction);
 522     trayIconMenu->addAction(openRPCConsoleAction);
 523 #ifndef Q_OS_MAC
 524     // This is built-in on Mac
 525     trayIconMenu->addSeparator();
 526     trayIconMenu->addAction(quitAction);
 527 #endif
 528     notificator = new Notificator(QApplication::applicationName(), trayIcon, this);
 529 }
 530
 531 #ifndef Q_OS_MAC
 532 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 533 {
 534     if(reason == QSystemTrayIcon::Trigger)
 535     {
 536         // Click on system tray icon triggers show/hide of the main window
 537         toggleHideAction->trigger();
 538     }
 539 }
 540 #endif
 541
 542 void BitcoinGUI::optionsClicked()
 543 {
 544     if(!clientModel || !clientModel->getOptionsModel())
 545         return;
 546
 547     optionsDialog->setModel(clientModel->getOptionsModel());
 548     optionsDialog->setWindowModality(Qt::ApplicationModal);
 549     optionsDialog->show();
 550 }
 551
 552 void BitcoinGUI::aboutClicked()
 553 {
 554     aboutDialog->setModel(clientModel);
 555     aboutDialog->setWindowModality(Qt::ApplicationModal);
 556     aboutDialog->show();
 557 }
 558
 559 void BitcoinGUI::setNumConnections(int count)
 560 {
 561     QString icon;
 562     switch(count)
 563     {
 564     case 0: icon = ":/icons/connect_0"; break;
 565     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 566     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 567     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 568     default: icon = ":/icons/connect_4"; break;
 569     }
 570     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 571     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to NovaCoin network", "", count));
 572 }
 573
 574 void BitcoinGUI::setNumBlocks(int count, int nTotalBlocks)
 575 {
 576     // don't show / hide progress bar and its label if we have no connection to the network
 577     if (!clientModel || clientModel->getNumConnections() == 0)
 578     {
 579         progressBarLabel->setVisible(false);
 580         progressBar->setVisible(false);
 581
 582         return;
 583     }
 584
 585     QString strStatusBarWarnings = clientModel->getStatusBarWarnings();
 586     QString tooltip;
 587
 588     if(count < nTotalBlocks)
 589     {
 590         int nRemainingBlocks = nTotalBlocks - count;
 591         float nPercentageDone = count / (nTotalBlocks * 0.01f);
 592
 593         if (strStatusBarWarnings.isEmpty())
 594         {
 595             progressBarLabel->setText(tr("Synchronizing with network..."));
 596             progressBarLabel->setVisible(true);
 597             progressBar->setFormat(tr("~%n block(s) remaining", "", nRemainingBlocks));
 598             progressBar->setMaximum(nTotalBlocks);
 599             progressBar->setValue(count);
 600             progressBar->setVisible(true);
 601         }
 602
 603         tooltip = tr("Downloaded %1 of %2 blocks of transaction history (%3% done).").arg(count).arg(nTotalBlocks).arg(nPercentageDone, 0, 'f', 2);
 604     }
 605     else
 606     {
 607         if (strStatusBarWarnings.isEmpty())
 608             progressBarLabel->setVisible(false);
 609
 610         progressBar->setVisible(false);
 611         tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
 612     }
 613
 614     // Override progressBarLabel text and hide progress bar, when we have warnings to display
 615     if (!strStatusBarWarnings.isEmpty())
 616     {
 617         progressBarLabel->setText(strStatusBarWarnings);
 618         progressBarLabel->setVisible(true);
 619         progressBar->setVisible(false);
 620     }
 621
 622     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 623     int secs = lastBlockDate.secsTo(QDateTime::currentDateTime());
 624     QString text;
 625
 626     // Represent time from last generated block in human readable text
 627     if(secs <= 0)
 628     {
 629         // Fully up to date. Leave text empty.
 630     }
 631     else if(secs < 60)
 632     {
 633         text = tr("%n second(s) ago","",secs);
 634     }
 635     else if(secs < 60*60)
 636     {
 637         text = tr("%n minute(s) ago","",secs/60);
 638     }
 639     else if(secs < 24*60*60)
 640     {
 641         text = tr("%n hour(s) ago","",secs/(60*60));
 642     }
 643     else
 644     {
 645         text = tr("%n day(s) ago","",secs/(60*60*24));
 646     }
 647
 648     // Set icon state: spinning if catching up, tick otherwise
 649     if(secs < 90*60 && count >= nTotalBlocks)
 650     {
 651         tooltip = tr("Up to date") + QString(".<br>") + tooltip;
 652         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE, STATUSBAR_ICONSIZE));
 653
 654         overviewPage->showOutOfSyncWarning(false);
 655     }
 656     else
 657     {
 658         tooltip = tr("Catching up...") + QString("<br>") + tooltip;
 659         labelBlocksIcon->setMovie(syncIconMovie);
 660         syncIconMovie->start();
 661
 662         overviewPage->showOutOfSyncWarning(true);
 663     }
 664
 665     if(!text.isEmpty())
 666     {
 667         tooltip += QString("<br>");
 668         tooltip += tr("Last received block was generated %1.").arg(text);
 669     }
 670
 671     // Don't word-wrap this (fixed-width) tooltip
 672     tooltip = QString("<nobr>") + tooltip + QString("</nobr>");
 673
 674     labelBlocksIcon->setToolTip(tooltip);
 675     progressBarLabel->setToolTip(tooltip);
 676     progressBar->setToolTip(tooltip);
 677 }
 678
 679 void BitcoinGUI::updateMining()
 680 {
 681    if(!walletModel)
 682       return;
 683
 684     labelMiningIcon->setPixmap(QIcon(":/icons/mining_inactive").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 685
 686     if (!clientModel->getNumConnections())
 687     {
 688         labelMiningIcon->setToolTip(tr("Wallet is offline"));
 689         return;
 690     }
 691
 692     if (walletModel->getEncryptionStatus() == WalletModel::Locked)
 693     {
 694         labelMiningIcon->setToolTip(tr("Wallet is locked"));
 695         return;
 696     }
 697
 698     if (clientModel->inInitialBlockDownload() || clientModel->getNumBlocksOfPeers() > clientModel->getNumBlocks())
 699     {
 700         labelMiningIcon->setToolTip(tr("Blockchain download is in progress"));
 701         return;
 702     }
 703
 704     float nKernelsRate = 0, nCoinDaysRate = 0;
 705     walletModel->getStakeStats(nKernelsRate, nCoinDaysRate);
 706
 707     if (nKernelsRate > 0)
 708     {
 709         labelMiningIcon->setPixmap(QIcon(":/icons/mining_active").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 710
 711         uint64_t nNetworkWeight = clientModel->getPoSKernelPS();
 712 /*
 713         double dDifficulty = clientModel->getDifficulty(true);
 714         QString msg;
 715
 716         int nApproxTime = 4294967297 * dDifficulty / nTotalWeight;
 717
 718         if (nApproxTime < 60)
 719             msg = tr("%n second(s)", "", nApproxTime);
 720         else if (nApproxTime < 60*60)
 721             msg = tr("%n minute(s)", "", nApproxTime / 60);
 722         else if (nApproxTime < 24*60*60)
 723             msg = tr("%n hour(s)", "", nApproxTime / 3600);
 724         else
 725             msg = tr("%n day(s)", "", nApproxTime / 86400);
 726
 727         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));
 728 */
 729
 730         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>"));
 731     }
 732     else
 733         labelMiningIcon->setToolTip(tr("No suitable inputs were found"));
 734 }
 735
 736 void BitcoinGUI::error(const QString &title, const QString &message, bool modal)
 737 {
 738     // Report errors from network/worker thread
 739     if(modal)
 740     {
 741         QMessageBox::critical(this, title, message, QMessageBox::Ok, QMessageBox::Ok);
 742     } else {
 743         notificator->notify(Notificator::Critical, title, message);
 744     }
 745 }
 746
 747 void BitcoinGUI::message(const QString &title, const QString &message, unsigned int style, const QString &detail)
 748 {
 749     QString strTitle = tr("NovaCoin") + " - ";
 750     // Default to information icon
 751     int nMBoxIcon = QMessageBox::Information;
 752     int nNotifyIcon = Notificator::Information;
 753
 754
 755     // Check for usage of predefined title
 756     switch (style) {
 757     case CClientUIInterface::MSG_ERROR:
 758         strTitle += tr("Error");
 759         break;
 760     case CClientUIInterface::MSG_WARNING:
 761         strTitle += tr("Warning");
 762         break;
 763     case CClientUIInterface::MSG_INFORMATION:
 764         strTitle += tr("Information");
 765         break;
 766     default:
 767         strTitle += title; // Use supplied title
 768     }
 769
 770     // Check for error/warning icon
 771     if (style & CClientUIInterface::ICON_ERROR) {
 772         nMBoxIcon = QMessageBox::Critical;
 773         nNotifyIcon = Notificator::Critical;
 774     }
 775     else if (style & CClientUIInterface::ICON_WARNING) {
 776         nMBoxIcon = QMessageBox::Warning;
 777         nNotifyIcon = Notificator::Warning;
 778     }
 779
 780     // Display message
 781     if (style & CClientUIInterface::MODAL) {
 782         // Check for buttons, use OK as default, if none was supplied
 783         QMessageBox::StandardButton buttons;
 784         buttons = QMessageBox::Ok;
 785
 786         QMessageBox mBox((QMessageBox::Icon)nMBoxIcon, strTitle, message, buttons);
 787
 788         if(!detail.isEmpty()) { mBox.setDetailedText(detail); }
 789
 790         mBox.exec();
 791     }
 792     else
 793         notificator->notify((Notificator::Class)nNotifyIcon, strTitle, message);
 794 }
 795
 796
 797 void BitcoinGUI::changeEvent(QEvent *e)
 798 {
 799     QMainWindow::changeEvent(e);
 800 #ifndef Q_OS_MAC // Ignored on Mac
 801     if(e->type() == QEvent::WindowStateChange)
 802     {
 803         if(clientModel && clientModel->getOptionsModel()->getMinimizeToTray())
 804         {
 805             QWindowStateChangeEvent *wsevt = static_cast<QWindowStateChangeEvent*>(e);
 806             if(!(wsevt->oldState() & Qt::WindowMinimized) && isMinimized())
 807             {
 808                 QTimer::singleShot(0, this, SLOT(hide()));
 809                 e->ignore();
 810             }
 811         }
 812     }
 813 #endif
 814 }
 815
 816 void BitcoinGUI::closeEvent(QCloseEvent *event)
 817 {
 818     if(clientModel)
 819     {
 820 #ifndef Q_OS_MAC // Ignored on Mac
 821         if(!clientModel->getOptionsModel()->getMinimizeOnClose())
 822         {
 823             qApp->quit();
 824         }
 825 #endif
 826     }
 827     // close rpcConsole in case it was open to make some space for the shutdown window
 828     rpcConsole->close();
 829
 830     QMainWindow::closeEvent(event);
 831 }
 832
 833 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 834 {
 835     QString strMessage =
 836         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 837           "which goes to the nodes that process your transaction and helps to support the network.  "
 838           "Do you want to pay the fee?").arg(
 839                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 840     QMessageBox::StandardButton retval = QMessageBox::question(
 841           this, tr("Confirm transaction fee"), strMessage,
 842           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 843     *payFee = (retval == QMessageBox::Yes);
 844 }
 845
 846 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 847 {
 848     if(!walletModel || !clientModel)
 849         return;
 850     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 851     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 852                     .data(Qt::EditRole).toULongLong();
 853     if(!clientModel->inInitialBlockDownload())
 854     {
 855         // On new transaction, make an info balloon
 856         // Unless the initial block download is in progress, to prevent balloon-spam
 857         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 858                         .data().toString();
 859         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 860                         .data().toString();
 861         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 862                         .data().toString();
 863         QIcon icon = qvariant_cast<QIcon>(ttm->index(start,
 864                             TransactionTableModel::ToAddress, parent)
 865                         .data(Qt::DecorationRole));
 866
 867         notificator->notify(Notificator::Information,
 868                             (amount)<0 ? tr("Sent transaction") :
 869                                          tr("Incoming transaction"),
 870                               tr("Date: %1\n"
 871                                  "Amount: %2\n"
 872                                  "Type: %3\n"
 873                                  "Address: %4\n")
 874                               .arg(date)
 875                               .arg(BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true))
 876                               .arg(type)
 877                               .arg(address), icon);
 878     }
 879 }
 880
 881 void BitcoinGUI::gotoOverviewPage()
 882 {
 883     overviewAction->setChecked(true);
 884     centralWidget->setCurrentWidget(overviewPage);
 885
 886     exportAction->setEnabled(false);
 887     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 888 }
 889
 890 void BitcoinGUI::gotoHistoryPage()
 891 {
 892     historyAction->setChecked(true);
 893     centralWidget->setCurrentWidget(transactionsPage);
 894
 895     exportAction->setEnabled(true);
 896     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 897     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 898 }
 899
 900 void BitcoinGUI::gotoMintingPage()
 901 {
 902     mintingAction->setChecked(true);
 903     centralWidget->setCurrentWidget(mintingPage);
 904
 905     exportAction->setEnabled(true);
 906     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 907     connect(exportAction, SIGNAL(triggered()), mintingView, SLOT(exportClicked()));
 908 }
 909
 910
 911 void BitcoinGUI::gotoAddressBookPage()
 912 {
 913     addressBookAction->setChecked(true);
 914     centralWidget->setCurrentWidget(addressBookPage);
 915
 916     exportAction->setEnabled(true);
 917     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 918     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 919 }
 920
 921 void BitcoinGUI::gotoReceiveCoinsPage()
 922 {
 923     receiveCoinsAction->setChecked(true);
 924     centralWidget->setCurrentWidget(receiveCoinsPage);
 925
 926     exportAction->setEnabled(true);
 927     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 928     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 929 }
 930
 931 void BitcoinGUI::gotoSendCoinsPage()
 932 {
 933     sendCoinsAction->setChecked(true);
 934     centralWidget->setCurrentWidget(sendCoinsPage);
 935
 936     exportAction->setEnabled(false);
 937     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 938 }
 939
 940 void BitcoinGUI::gotoSignMessageTab(QString addr)
 941 {
 942     // call show() in showTab_SM()
 943     signVerifyMessageDialog->showTab_SM(true);
 944
 945     if(!addr.isEmpty())
 946         signVerifyMessageDialog->setAddress_SM(addr);
 947 }
 948
 949 void BitcoinGUI::gotoVerifyMessageTab(QString addr)
 950 {
 951     // call show() in showTab_VM()
 952     signVerifyMessageDialog->showTab_VM(true);
 953
 954     if(!addr.isEmpty())
 955         signVerifyMessageDialog->setAddress_VM(addr);
 956 }
 957
 958 void BitcoinGUI::gotoMultisigPage()
 959 {
 960     multisigPage->show();
 961     multisigPage->setFocus();
 962 }
 963
 964 void BitcoinGUI::dragEnterEvent(QDragEnterEvent *event)
 965 {
 966     // Accept only URIs
 967     if(event->mimeData()->hasUrls())
 968         event->acceptProposedAction();
 969 }
 970
 971 void BitcoinGUI::dropEvent(QDropEvent *event)
 972 {
 973     if(event->mimeData()->hasUrls())
 974     {
 975         int nValidUrisFound = 0;
 976         QList<QUrl> uris = event->mimeData()->urls();
 977         foreach(const QUrl &uri, uris)
 978         {
 979             if (sendCoinsPage->handleURI(uri.toString()))
 980                 nValidUrisFound++;
 981         }
 982
 983         // if valid URIs were found
 984         if (nValidUrisFound)
 985             gotoSendCoinsPage();
 986         else
 987             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."));
 988     }
 989
 990     event->acceptProposedAction();
 991 }
 992
 993 void BitcoinGUI::handleURI(QString strURI)
 994 {
 995     // URI has to be valid
 996     if (sendCoinsPage->handleURI(strURI))
 997     {
 998         showNormalIfMinimized();
 999         gotoSendCoinsPage();
1000     }
1001     else
1002         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."));
1003 }
1004
1005 void BitcoinGUI::setEncryptionStatus(int status)
1006 {
1007     switch(status)
1008     {
1009     case WalletModel::Unencrypted:
1010         labelEncryptionIcon->hide();
1011         encryptWalletAction->setChecked(false);
1012         changePassphraseAction->setEnabled(false);
1013         lockWalletAction->setEnabled(false);
1014         unlockWalletAction->setEnabled(false);
1015         unlockWalletMiningAction->setEnabled(false);
1016         encryptWalletAction->setEnabled(true);
1017         break;
1018     case WalletModel::Unlocked:
1019         labelEncryptionIcon->show();
1020         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
1021         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>unlocked</b>"));
1022         encryptWalletAction->setChecked(true);
1023         changePassphraseAction->setEnabled(true);
1024         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
1025
1026         lockWalletAction->setEnabled(true);
1027         lockWalletAction->setChecked(false);
1028         unlockWalletAction->setEnabled(false);
1029         unlockWalletMiningAction->setEnabled(false);
1030
1031         if (fWalletUnlockMintOnly)
1032             unlockWalletMiningAction->setChecked(true);
1033         else
1034             unlockWalletAction->setChecked(true);
1035
1036         break;
1037     case WalletModel::Locked:
1038         labelEncryptionIcon->show();
1039         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
1040         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>locked</b>"));
1041         encryptWalletAction->setChecked(true);
1042         changePassphraseAction->setEnabled(true);
1043         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
1044
1045         lockWalletAction->setChecked(true);
1046         unlockWalletAction->setChecked(false);
1047         unlockWalletMiningAction->setChecked(false);
1048
1049         lockWalletAction->setEnabled(false);
1050         unlockWalletAction->setEnabled(true);
1051         unlockWalletMiningAction->setEnabled(true);
1052         break;
1053     }
1054 }
1055
1056 void BitcoinGUI::encryptWallet(bool status)
1057 {
1058     if(!walletModel)
1059         return;
1060     AskPassphraseDialog dlg(status ? AskPassphraseDialog::Encrypt:
1061                                      AskPassphraseDialog::Decrypt, this);
1062     dlg.setModel(walletModel);
1063     dlg.exec();
1064
1065     setEncryptionStatus(walletModel->getEncryptionStatus());
1066 }
1067
1068 void BitcoinGUI::unlockWalletMining(bool status)
1069 {
1070     if(!walletModel)
1071         return;
1072
1073     // Unlock wallet when requested by wallet model
1074     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
1075     {
1076         AskPassphraseDialog dlg(AskPassphraseDialog::UnlockMining, this);
1077         dlg.setModel(walletModel);
1078         dlg.exec();
1079     }
1080 }
1081
1082 void BitcoinGUI::backupWallet()
1083 {
1084 #if QT_VERSION < 0x050000
1085     QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1086 #else
1087     QString saveDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1088 #endif
1089     QString filename = QFileDialog::getSaveFileName(this, tr("Backup Wallet"), saveDir, tr("Wallet Data (*.dat)"));
1090     if(!filename.isEmpty()) {
1091         if(!walletModel->backupWallet(filename)) {
1092             QMessageBox::warning(this, tr("Backup Failed"), tr("There was an error trying to save the wallet data to the new location."));
1093         }
1094     }
1095 }
1096
1097 void BitcoinGUI::dumpWallet()
1098 {
1099    if(!walletModel)
1100       return;
1101
1102    WalletModel::UnlockContext ctx(walletModel->requestUnlock());
1103    if(!ctx.isValid())
1104    {
1105        // Unlock wallet failed or was cancelled
1106        return;
1107    }
1108
1109 #if QT_VERSION < 0x050000
1110     QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1111 #else
1112     QString saveDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1113 #endif
1114     QString filename = QFileDialog::getSaveFileName(this, tr("Dump Wallet"), saveDir, tr("Wallet dump (*.txt)"));
1115     if(!filename.isEmpty()) {
1116         if(!walletModel->dumpWallet(filename)) {
1117             error(tr("Dump failed"),
1118                          tr("An error happened while trying to save the keys to your location.\n"
1119                             "Keys were not saved.")
1120                       ,CClientUIInterface::MSG_ERROR);
1121         }
1122         else
1123           message(tr("Dump successful"),
1124                        tr("Keys were saved to this file:\n%2")
1125                        .arg(filename)
1126                       ,CClientUIInterface::MSG_INFORMATION);
1127     }
1128 }
1129
1130 void BitcoinGUI::importWallet()
1131 {
1132    if(!walletModel)
1133       return;
1134
1135    WalletModel::UnlockContext ctx(walletModel->requestUnlock());
1136    if(!ctx.isValid())
1137    {
1138        // Unlock wallet failed or was cancelled
1139        return;
1140    }
1141
1142 #if QT_VERSION < 0x050000
1143     QString openDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
1144 #else
1145     QString openDir = QStandardPaths::writableLocation(QStandardPaths::DocumentsLocation);
1146 #endif
1147     QString filename = QFileDialog::getOpenFileName(this, tr("Import Wallet"), openDir, tr("Wallet dump (*.txt)"));
1148     if(!filename.isEmpty()) {
1149         if(!walletModel->importWallet(filename)) {
1150             error(tr("Import Failed"),
1151                          tr("An error happened while trying to import the keys.\n"
1152                             "Some or all keys from:\n %1,\n were not imported into your wallet.")
1153                          .arg(filename)
1154                       ,CClientUIInterface::MSG_ERROR);
1155         }
1156         else
1157           message(tr("Import Successful"),
1158                        tr("All keys from:\n %1,\n were imported into your wallet.")
1159                        .arg(filename)
1160                       ,CClientUIInterface::MSG_INFORMATION);
1161     }
1162 }
1163
1164
1165 void BitcoinGUI::changePassphrase()
1166 {
1167     AskPassphraseDialog dlg(AskPassphraseDialog::ChangePass, this);
1168     dlg.setModel(walletModel);
1169     dlg.exec();
1170 }
1171
1172 void BitcoinGUI::unlockWallet()
1173 {
1174     if(!walletModel)
1175         return;
1176     // Unlock wallet when requested by wallet model
1177     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
1178     {
1179         AskPassphraseDialog dlg(AskPassphraseDialog::Unlock, this);
1180         dlg.setModel(walletModel);
1181         dlg.exec();
1182     }
1183 }
1184
1185 void BitcoinGUI::lockWallet()
1186 {
1187     if(!walletModel)
1188         return;
1189
1190     walletModel->setWalletLocked(true);
1191 }
1192
1193 void BitcoinGUI::showNormalIfMinimized(bool fToggleHidden)
1194 {
1195     // activateWindow() (sometimes) helps with keyboard focus on Windows
1196     if (isHidden())
1197     {
1198         // Make sure the window is not minimized
1199         setWindowState(windowState() & (~Qt::WindowMinimized | Qt::WindowActive));
1200         // Then show it
1201         show();
1202         raise();
1203         activateWindow();
1204     }
1205     else if (isMinimized())
1206     {
1207         showNormal();
1208         raise();
1209         activateWindow();
1210     }
1211     else if (GUIUtil::isObscured(this))
1212     {
1213         raise();
1214         activateWindow();
1215         if(fToggleHidden)
1216         {
1217             Sleep(1);
1218             if (GUIUtil::isObscured(this))
1219                 hide();
1220         }
1221     }
1222     else if(fToggleHidden)
1223         hide();
1224 }
1225
1226 void BitcoinGUI::toggleHidden()
1227 {
1228     showNormalIfMinimized(true);
1229 }