src/qt/bitcoingui.cpp

   1 /*
   2  * Qt4 bitcoin GUI.
   3  *
   4  * W.J. van der Laan 20011-2012
   5  * The Bitcoin Developers 20011-2012
   6  */
   7 #include "bitcoingui.h"
   8 #include "transactiontablemodel.h"
   9 #include "addressbookpage.h"
  10 #include "sendcoinsdialog.h"
  11 #include "messagepage.h"
  12 #include "optionsdialog.h"
  13 #include "aboutdialog.h"
  14 #include "clientmodel.h"
  15 #include "walletmodel.h"
  16 #include "editaddressdialog.h"
  17 #include "optionsmodel.h"
  18 #include "transactiondescdialog.h"
  19 #include "addresstablemodel.h"
  20 #include "transactionview.h"
  21 #include "overviewpage.h"
  22 #include "bitcoinunits.h"
  23 #include "guiconstants.h"
  24 #include "askpassphrasedialog.h"
  25 #include "notificator.h"
  26
  27 #ifdef Q_WS_MAC
  28 #include "macdockiconhandler.h"
  29 #endif
  30
  31 #include <QApplication>
  32 #include <QMainWindow>
  33 #include <QMenuBar>
  34 #include <QMenu>
  35 #include <QIcon>
  36 #include <QTabWidget>
  37 #include <QVBoxLayout>
  38 #include <QToolBar>
  39 #include <QStatusBar>
  40 #include <QLabel>
  41 #include <QLineEdit>
  42 #include <QPushButton>
  43 #include <QLocale>
  44 #include <QMessageBox>
  45 #include <QProgressBar>
  46 #include <QStackedWidget>
  47 #include <QDateTime>
  48 #include <QMovie>
  49 #include <QFileDialog>
  50 #include <QDesktopServices>
  51 #include <QTimer>
  52
  53 #include <QDragEnterEvent>
  54 #include <QUrl>
  55
  56 #include <iostream>
  57
  58 BitcoinGUI::BitcoinGUI(QWidget *parent):
  59     QMainWindow(parent),
  60     clientModel(0),
  61     walletModel(0),
  62     encryptWalletAction(0),
  63     changePassphraseAction(0),
  64     aboutQtAction(0),
  65     trayIcon(0),
  66     notificator(0)
  67 {
  68     resize(850, 550);
  69     setWindowTitle(tr("Bitcoin Wallet"));
  70 #ifndef Q_WS_MAC
  71     setWindowIcon(QIcon(":icons/bitcoin"));
  72 #else
  73     setUnifiedTitleAndToolBarOnMac(true);
  74     QApplication::setAttribute(Qt::AA_DontShowIconsInMenus);
  75 #endif
  76     // Accept D&D of URIs
  77     setAcceptDrops(true);
  78
  79     // Create actions for the toolbar, menu bar and tray/dock icon
  80     createActions();
  81
  82     // Create application menu bar
  83     createMenuBar();
  84
  85     // Create the toolbars
  86     createToolBars();
  87
  88     // Create the tray icon (or setup the dock icon)
  89     createTrayIcon();
  90
  91     // Create tabs
  92     overviewPage = new OverviewPage();
  93
  94     transactionsPage = new QWidget(this);
  95     QVBoxLayout *vbox = new QVBoxLayout();
  96     transactionView = new TransactionView(this);
  97     vbox->addWidget(transactionView);
  98     transactionsPage->setLayout(vbox);
  99
 100     addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
 101
 102     receiveCoinsPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab);
 103
 104     sendCoinsPage = new SendCoinsDialog(this);
 105
 106     messagePage = new MessagePage(this);
 107
 108     centralWidget = new QStackedWidget(this);
 109     centralWidget->addWidget(overviewPage);
 110     centralWidget->addWidget(transactionsPage);
 111     centralWidget->addWidget(addressBookPage);
 112     centralWidget->addWidget(receiveCoinsPage);
 113     centralWidget->addWidget(sendCoinsPage);
 114 #ifdef FIRST_CLASS_MESSAGING
 115     centralWidget->addWidget(messagePage);
 116 #endif
 117     setCentralWidget(centralWidget);
 118
 119     // Create status bar
 120     statusBar();
 121
 122     // Status bar notification icons
 123     QFrame *frameBlocks = new QFrame();
 124     frameBlocks->setContentsMargins(0,0,0,0);
 125     frameBlocks->setMinimumWidth(56);
 126     frameBlocks->setMaximumWidth(56);
 127     QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
 128     frameBlocksLayout->setContentsMargins(3,0,3,0);
 129     frameBlocksLayout->setSpacing(3);
 130     labelEncryptionIcon = new QLabel();
 131     labelConnectionsIcon = new QLabel();
 132     labelBlocksIcon = new QLabel();
 133     frameBlocksLayout->addStretch();
 134     frameBlocksLayout->addWidget(labelEncryptionIcon);
 135     frameBlocksLayout->addStretch();
 136     frameBlocksLayout->addWidget(labelConnectionsIcon);
 137     frameBlocksLayout->addStretch();
 138     frameBlocksLayout->addWidget(labelBlocksIcon);
 139     frameBlocksLayout->addStretch();
 140
 141     // Progress bar and label for blocks download
 142     progressBarLabel = new QLabel();
 143     progressBarLabel->setVisible(false);
 144     progressBar = new QProgressBar();
 145     progressBar->setVisible(false);
 146
 147     statusBar()->addWidget(progressBarLabel);
 148     statusBar()->addWidget(progressBar);
 149     statusBar()->addPermanentWidget(frameBlocks);
 150
 151     // define progress bar format
 152     progressBar->setFormat(tr("~%m blocks remaining"));
 153     // define OS independent progress bar style (has to be after addWidget(), otherwise we crash)
 154     progressBar->setStyleSheet("QProgressBar { background-color: transparent; border: 1px solid grey; border-radius: 5px; text-align: center; } QProgressBar::chunk { background: QLinearGradient(x1: 0, y1: 0, x2: 1, y2: 0, stop: 0 transparent, stop: 1 orange); margin: 0px; }");
 155
 156     syncIconMovie = new QMovie(":/movies/update_spinner", "mng", this);
 157
 158     // Clicking on a transaction on the overview page simply sends you to transaction history page
 159     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), this, SLOT(gotoHistoryPage()));
 160
 161     // Doubleclicking on a transaction on the transaction history page shows details
 162     connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
 163
 164     gotoOverviewPage();
 165 }
 166
 167 BitcoinGUI::~BitcoinGUI()
 168 {
 169     if(trayIcon) // Hide tray icon, as deleting will let it linger until quit (on Ubuntu)
 170         trayIcon->hide();
 171 #ifdef Q_WS_MAC
 172     delete appMenuBar;
 173 #endif
 174 }
 175
 176 void BitcoinGUI::createActions()
 177 {
 178     QActionGroup *tabGroup = new QActionGroup(this);
 179
 180     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 181     overviewAction->setToolTip(tr("Show general overview of wallet"));
 182     overviewAction->setCheckable(true);
 183     overviewAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_1));
 184     tabGroup->addAction(overviewAction);
 185
 186     historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
 187     historyAction->setToolTip(tr("Browse transaction history"));
 188     historyAction->setCheckable(true);
 189     historyAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_4));
 190     tabGroup->addAction(historyAction);
 191
 192     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 193     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 194     addressBookAction->setCheckable(true);
 195     addressBookAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_5));
 196     tabGroup->addAction(addressBookAction);
 197
 198     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 199     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 200     receiveCoinsAction->setCheckable(true);
 201     receiveCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_3));
 202     tabGroup->addAction(receiveCoinsAction);
 203
 204     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 205     sendCoinsAction->setToolTip(tr("Send coins to a bitcoin address"));
 206     sendCoinsAction->setCheckable(true);
 207     sendCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_2));
 208     tabGroup->addAction(sendCoinsAction);
 209
 210     messageAction = new QAction(QIcon(":/icons/edit"), tr("Sign &message"), this);
 211     messageAction->setToolTip(tr("Prove you control an address"));
 212 #ifdef FIRST_CLASS_MESSAGING
 213     messageAction->setCheckable(true);
 214 #endif
 215     tabGroup->addAction(messageAction);
 216
 217     connect(overviewAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 218     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 219     connect(historyAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 220     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 221     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 222     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 223     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 224     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 225     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 226     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 227     connect(messageAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 228     connect(messageAction, SIGNAL(triggered()), this, SLOT(gotoMessagePage()));
 229
 230     quitAction = new QAction(QIcon(":/icons/quit"), tr("E&xit"), this);
 231     quitAction->setToolTip(tr("Quit application"));
 232     quitAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 233     quitAction->setMenuRole(QAction::QuitRole);
 234     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About %1").arg(qApp->applicationName()), this);
 235     aboutAction->setToolTip(tr("Show information about Bitcoin"));
 236     aboutAction->setMenuRole(QAction::AboutRole);
 237     aboutQtAction = new QAction(tr("About &Qt"), this);
 238     aboutQtAction->setToolTip(tr("Show information about Qt"));
 239     aboutQtAction->setMenuRole(QAction::AboutQtRole);
 240     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 241     optionsAction->setToolTip(tr("Modify configuration options for bitcoin"));
 242     optionsAction->setMenuRole(QAction::PreferencesRole);
 243     openBitcoinAction = new QAction(QIcon(":/icons/bitcoin"), tr("Open &Bitcoin"), this);
 244     openBitcoinAction->setToolTip(tr("Show the Bitcoin window"));
 245     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
 246     exportAction->setToolTip(tr("Export the data in the current tab to a file"));
 247     encryptWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Encrypt Wallet"), this);
 248     encryptWalletAction->setToolTip(tr("Encrypt or decrypt wallet"));
 249     encryptWalletAction->setCheckable(true);
 250     backupWalletAction = new QAction(QIcon(":/icons/filesave"), tr("&Backup Wallet"), this);
 251     backupWalletAction->setToolTip(tr("Backup wallet to another location"));
 252     changePassphraseAction = new QAction(QIcon(":/icons/key"), tr("&Change Passphrase"), this);
 253     changePassphraseAction->setToolTip(tr("Change the passphrase used for wallet encryption"));
 254
 255     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
 256     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 257     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 258     connect(aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
 259     connect(openBitcoinAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 260     connect(encryptWalletAction, SIGNAL(triggered(bool)), this, SLOT(encryptWallet(bool)));
 261     connect(backupWalletAction, SIGNAL(triggered()), this, SLOT(backupWallet()));
 262     connect(changePassphraseAction, SIGNAL(triggered()), this, SLOT(changePassphrase()));
 263 }
 264
 265 void BitcoinGUI::createMenuBar()
 266 {
 267 #ifdef Q_WS_MAC
 268     // Create a decoupled menu bar on Mac which stays even if the window is closed
 269     appMenuBar = new QMenuBar();
 270 #else
 271     // Get the main window's menu bar on other platforms
 272     appMenuBar = menuBar();
 273 #endif
 274
 275     // Configure the menus
 276     QMenu *file = appMenuBar->addMenu(tr("&File"));
 277     file->addAction(backupWalletAction);
 278     file->addAction(exportAction);
 279 #ifndef FIRST_CLASS_MESSAGING
 280     file->addAction(messageAction);
 281 #endif
 282     file->addSeparator();
 283     file->addAction(quitAction);
 284
 285     QMenu *settings = appMenuBar->addMenu(tr("&Settings"));
 286     settings->addAction(encryptWalletAction);
 287     settings->addAction(changePassphraseAction);
 288     settings->addSeparator();
 289     settings->addAction(optionsAction);
 290
 291     QMenu *help = appMenuBar->addMenu(tr("&Help"));
 292     help->addAction(aboutAction);
 293     help->addAction(aboutQtAction);
 294 }
 295
 296 void BitcoinGUI::createToolBars()
 297 {
 298     QToolBar *toolbar = addToolBar(tr("Tabs toolbar"));
 299     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 300     toolbar->addAction(overviewAction);
 301     toolbar->addAction(sendCoinsAction);
 302     toolbar->addAction(receiveCoinsAction);
 303     toolbar->addAction(historyAction);
 304     toolbar->addAction(addressBookAction);
 305 #ifdef FIRST_CLASS_MESSAGING
 306     toolbar->addAction(messageAction);
 307 #endif
 308
 309     QToolBar *toolbar2 = addToolBar(tr("Actions toolbar"));
 310     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 311     toolbar2->addAction(exportAction);
 312 }
 313
 314 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 315 {
 316     this->clientModel = clientModel;
 317     if(clientModel)
 318     {
 319         if(clientModel->isTestNet())
 320         {
 321             QString title_testnet = windowTitle() + QString(" ") + tr("[testnet]");
 322             setWindowTitle(title_testnet);
 323 #ifndef Q_WS_MAC
 324             setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 325 #else
 326             MacDockIconHandler::instance()->setIcon(QIcon(":icons/bitcoin_testnet"));
 327 #endif
 328             if(trayIcon)
 329             {
 330                 trayIcon->setToolTip(title_testnet);
 331                 trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 332             }
 333         }
 334
 335         // Keep up to date with client
 336         setNumConnections(clientModel->getNumConnections());
 337         connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 338
 339         setNumBlocks(clientModel->getNumBlocks());
 340         connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 341
 342         // Report errors from network/worker thread
 343         connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 344     }
 345 }
 346
 347 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 348 {
 349     this->walletModel = walletModel;
 350     if(walletModel)
 351     {
 352         // Report errors from wallet thread
 353         connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 354
 355         // Put transaction list in tabs
 356         transactionView->setModel(walletModel);
 357
 358         overviewPage->setModel(walletModel);
 359         addressBookPage->setModel(walletModel->getAddressTableModel());
 360         receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 361         sendCoinsPage->setModel(walletModel);
 362         messagePage->setModel(walletModel);
 363
 364         setEncryptionStatus(walletModel->getEncryptionStatus());
 365         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
 366
 367         // Balloon popup for new transaction
 368         connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 369                 this, SLOT(incomingTransaction(QModelIndex,int,int)));
 370
 371         // Ask for passphrase if needed
 372         connect(walletModel, SIGNAL(requireUnlock()), this, SLOT(unlockWallet()));
 373     }
 374 }
 375
 376 void BitcoinGUI::createTrayIcon()
 377 {
 378     QMenu *trayIconMenu;
 379 #ifndef Q_WS_MAC
 380     trayIcon = new QSystemTrayIcon(this);
 381     trayIconMenu = new QMenu(this);
 382     trayIcon->setContextMenu(trayIconMenu);
 383     trayIcon->setToolTip(tr("Bitcoin client"));
 384     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 385     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 386             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 387     trayIcon->show();
 388 #else
 389     // Note: On Mac, the dock icon is used to provide the tray's functionality.
 390     MacDockIconHandler *dockIconHandler = MacDockIconHandler::instance();
 391     connect(dockIconHandler, SIGNAL(dockIconClicked()), openBitcoinAction, SLOT(trigger()));
 392     trayIconMenu = dockIconHandler->dockMenu();
 393 #endif
 394
 395     // Configuration of the tray icon (or dock icon) icon menu
 396     trayIconMenu->addAction(openBitcoinAction);
 397     trayIconMenu->addSeparator();
 398     trayIconMenu->addAction(messageAction);
 399 #ifndef FIRST_CLASS_MESSAGING
 400     trayIconMenu->addSeparator();
 401 #endif
 402     trayIconMenu->addAction(receiveCoinsAction);
 403     trayIconMenu->addAction(sendCoinsAction);
 404     trayIconMenu->addSeparator();
 405     trayIconMenu->addAction(optionsAction);
 406 #ifndef Q_WS_MAC // This is built-in on Mac
 407     trayIconMenu->addSeparator();
 408     trayIconMenu->addAction(quitAction);
 409 #endif
 410
 411     notificator = new Notificator(tr("bitcoin-qt"), trayIcon);
 412 }
 413
 414 #ifndef Q_WS_MAC
 415 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 416 {
 417     if(reason == QSystemTrayIcon::Trigger)
 418     {
 419         // Click on system tray icon triggers "open bitcoin"
 420         openBitcoinAction->trigger();
 421     }
 422 }
 423 #endif
 424
 425 void BitcoinGUI::optionsClicked()
 426 {
 427     if(!clientModel || !clientModel->getOptionsModel())
 428         return;
 429     OptionsDialog dlg;
 430     dlg.setModel(clientModel->getOptionsModel());
 431     dlg.exec();
 432 }
 433
 434 void BitcoinGUI::aboutClicked()
 435 {
 436     AboutDialog dlg;
 437     dlg.setModel(clientModel);
 438     dlg.exec();
 439 }
 440
 441 void BitcoinGUI::setNumConnections(int count)
 442 {
 443     QString icon;
 444     switch(count)
 445     {
 446     case 0: icon = ":/icons/connect_0"; break;
 447     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 448     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 449     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 450     default: icon = ":/icons/connect_4"; break;
 451     }
 452     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 453     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to Bitcoin network", "", count));
 454 }
 455
 456 void BitcoinGUI::setNumBlocks(int count)
 457 {
 458     // don't show / hide progressBar and it's label if we have no connection(s) to the network
 459     if (!clientModel || clientModel->getNumConnections() == 0)
 460     {
 461         progressBarLabel->setVisible(false);
 462         progressBar->setVisible(false);
 463
 464         return;
 465     }
 466
 467     int nTotal = clientModel->getNumBlocksOfPeers();
 468     QString tooltip;
 469
 470     if(count < nTotal)
 471     {
 472         int nCurMax = nTotal - count;
 473         int nOnePercentCurMax = nCurMax / 100;
 474         int nPercentageDone = (count / (nTotal / 100));
 475
 476         if (clientModel->getStatusBarWarnings() == "")
 477         {
 478             progressBarLabel->setText(tr("Synchronizing with network..."));
 479             progressBarLabel->setVisible(true);
 480             progressBar->setMaximum(nCurMax);
 481             progressBar->setValue(nOnePercentCurMax * nPercentageDone);
 482             progressBar->setVisible(true);
 483         }
 484         else
 485         {
 486             progressBarLabel->setText(clientModel->getStatusBarWarnings());
 487             progressBarLabel->setVisible(true);
 488             progressBar->setVisible(false);
 489         }
 490         tooltip = tr("Downloaded %1 of %2 blocks of transaction history (%3% done).").arg(count).arg(nTotal).arg(nPercentageDone);
 491     }
 492     else
 493     {
 494         if (clientModel->getStatusBarWarnings() == "")
 495             progressBarLabel->setVisible(false);
 496         else
 497         {
 498             progressBarLabel->setText(clientModel->getStatusBarWarnings());
 499             progressBarLabel->setVisible(true);
 500         }
 501         progressBar->setVisible(false);
 502         tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
 503     }
 504
 505     QDateTime now = QDateTime::currentDateTime();
 506     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 507     int secs = lastBlockDate.secsTo(now);
 508     QString text;
 509
 510     // Represent time from last generated block in human readable text
 511     if(secs <= 0)
 512     {
 513         // Fully up to date. Leave text empty.
 514     }
 515     else if(secs < 60)
 516     {
 517         text = tr("%n second(s) ago","",secs);
 518     }
 519     else if(secs < 60*60)
 520     {
 521         text = tr("%n minute(s) ago","",secs/60);
 522     }
 523     else if(secs < 24*60*60)
 524     {
 525         text = tr("%n hour(s) ago","",secs/(60*60));
 526     }
 527     else
 528     {
 529         text = tr("%n day(s) ago","",secs/(60*60*24));
 530     }
 531
 532     // Set icon state: spinning if catching up, tick otherwise
 533     if(secs < 30*60)
 534     {
 535         tooltip = tr("Up to date") + QString(".\n") + tooltip;
 536         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 537     }
 538     else
 539     {
 540         tooltip = tr("Catching up...") + QString("\n") + tooltip;
 541         labelBlocksIcon->setMovie(syncIconMovie);
 542         syncIconMovie->start();
 543     }
 544
 545     if(!text.isEmpty())
 546     {
 547         tooltip += QString("\n");
 548         tooltip += tr("Last received block was generated %1.").arg(text);
 549     }
 550
 551     labelBlocksIcon->setToolTip(tooltip);
 552     progressBarLabel->setToolTip(tooltip);
 553     progressBar->setToolTip(tooltip);
 554 }
 555
 556 void BitcoinGUI::refreshStatusBar()
 557 {
 558     /* Might display multiple times in the case of multiple alerts
 559     static QString prevStatusBar;
 560     QString newStatusBar = clientModel->getStatusBarWarnings();
 561     if (prevStatusBar != newStatusBar)
 562     {
 563         prevStatusBar = newStatusBar;
 564         error(tr("Network Alert"), newStatusBar);
 565     }*/
 566     setNumBlocks(clientModel->getNumBlocks());
 567 }
 568
 569 void BitcoinGUI::error(const QString &title, const QString &message)
 570 {
 571     // Report errors from network/worker thread
 572     notificator->notify(Notificator::Critical, title, message);
 573 }
 574
 575 void BitcoinGUI::changeEvent(QEvent *e)
 576 {
 577     QMainWindow::changeEvent(e);
 578 #ifndef Q_WS_MAC // Ignored on Mac
 579     if(e->type() == QEvent::WindowStateChange)
 580     {
 581         if(clientModel && clientModel->getOptionsModel()->getMinimizeToTray())
 582         {
 583             QWindowStateChangeEvent *wsevt = static_cast<QWindowStateChangeEvent*>(e);
 584             if(!(wsevt->oldState() & Qt::WindowMinimized) && isMinimized())
 585             {
 586                 QTimer::singleShot(0, this, SLOT(hide()));
 587                 e->ignore();
 588             }
 589         }
 590     }
 591 #endif
 592 }
 593
 594 void BitcoinGUI::closeEvent(QCloseEvent *event)
 595 {
 596     if(clientModel)
 597     {
 598 #ifndef Q_WS_MAC // Ignored on Mac
 599         if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 600            !clientModel->getOptionsModel()->getMinimizeOnClose())
 601         {
 602             qApp->quit();
 603         }
 604 #endif
 605     }
 606     QMainWindow::closeEvent(event);
 607 }
 608
 609 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 610 {
 611     QString strMessage =
 612         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 613           "which goes to the nodes that process your transaction and helps to support the network.  "
 614           "Do you want to pay the fee?").arg(
 615                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 616     QMessageBox::StandardButton retval = QMessageBox::question(
 617           this, tr("Sending..."), strMessage,
 618           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 619     *payFee = (retval == QMessageBox::Yes);
 620 }
 621
 622 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 623 {
 624     if(!walletModel || !clientModel)
 625         return;
 626     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 627     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 628                     .data(Qt::EditRole).toULongLong();
 629     if(!clientModel->inInitialBlockDownload())
 630     {
 631         // On new transaction, make an info balloon
 632         // Unless the initial block download is in progress, to prevent balloon-spam
 633         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 634                         .data().toString();
 635         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 636                         .data().toString();
 637         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 638                         .data().toString();
 639         QIcon icon = qvariant_cast<QIcon>(ttm->index(start,
 640                             TransactionTableModel::ToAddress, parent)
 641                         .data(Qt::DecorationRole));
 642
 643         notificator->notify(Notificator::Information,
 644                             (amount)<0 ? tr("Sent transaction") :
 645                                          tr("Incoming transaction"),
 646                               tr("Date: %1\n"
 647                                  "Amount: %2\n"
 648                                  "Type: %3\n"
 649                                  "Address: %4\n")
 650                               .arg(date)
 651                               .arg(BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true))
 652                               .arg(type)
 653                               .arg(address), icon);
 654     }
 655 }
 656
 657 void BitcoinGUI::gotoOverviewPage()
 658 {
 659     overviewAction->setChecked(true);
 660     centralWidget->setCurrentWidget(overviewPage);
 661
 662     exportAction->setEnabled(false);
 663     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 664 }
 665
 666 void BitcoinGUI::gotoHistoryPage()
 667 {
 668     historyAction->setChecked(true);
 669     centralWidget->setCurrentWidget(transactionsPage);
 670
 671     exportAction->setEnabled(true);
 672     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 673     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 674 }
 675
 676 void BitcoinGUI::gotoAddressBookPage()
 677 {
 678     addressBookAction->setChecked(true);
 679     centralWidget->setCurrentWidget(addressBookPage);
 680
 681     exportAction->setEnabled(true);
 682     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 683     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 684 }
 685
 686 void BitcoinGUI::gotoReceiveCoinsPage()
 687 {
 688     receiveCoinsAction->setChecked(true);
 689     centralWidget->setCurrentWidget(receiveCoinsPage);
 690
 691     exportAction->setEnabled(true);
 692     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 693     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 694 }
 695
 696 void BitcoinGUI::gotoSendCoinsPage()
 697 {
 698     sendCoinsAction->setChecked(true);
 699     centralWidget->setCurrentWidget(sendCoinsPage);
 700
 701     exportAction->setEnabled(false);
 702     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 703 }
 704
 705 void BitcoinGUI::gotoMessagePage()
 706 {
 707 #ifdef FIRST_CLASS_MESSAGING
 708     messageAction->setChecked(true);
 709     centralWidget->setCurrentWidget(messagePage);
 710
 711     exportAction->setEnabled(false);
 712     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 713 #else
 714     messagePage->show();
 715     messagePage->setFocus();
 716 #endif
 717 }
 718
 719 void BitcoinGUI::gotoMessagePage(QString addr)
 720 {
 721     gotoMessagePage();
 722     messagePage->setAddress(addr);
 723 }
 724
 725 void BitcoinGUI::dragEnterEvent(QDragEnterEvent *event)
 726 {
 727     // Accept only URLs
 728     if(event->mimeData()->hasUrls())
 729         event->acceptProposedAction();
 730 }
 731
 732 void BitcoinGUI::dropEvent(QDropEvent *event)
 733 {
 734     if(event->mimeData()->hasUrls())
 735     {
 736         gotoSendCoinsPage();
 737         QList<QUrl> urls = event->mimeData()->urls();
 738         foreach(const QUrl &url, urls)
 739         {
 740             sendCoinsPage->handleURL(url.toString());
 741         }
 742     }
 743
 744     event->acceptProposedAction();
 745 }
 746
 747 void BitcoinGUI::handleURL(QString strURL)
 748 {
 749     gotoSendCoinsPage();
 750     sendCoinsPage->handleURL(strURL);
 751
 752     if(!isActiveWindow())
 753         activateWindow();
 754
 755     showNormalIfMinimized();
 756 }
 757
 758 void BitcoinGUI::setEncryptionStatus(int status)
 759 {
 760     switch(status)
 761     {
 762     case WalletModel::Unencrypted:
 763         labelEncryptionIcon->hide();
 764         encryptWalletAction->setChecked(false);
 765         changePassphraseAction->setEnabled(false);
 766         encryptWalletAction->setEnabled(true);
 767         break;
 768     case WalletModel::Unlocked:
 769         labelEncryptionIcon->show();
 770         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 771         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>unlocked</b>"));
 772         encryptWalletAction->setChecked(true);
 773         changePassphraseAction->setEnabled(true);
 774         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
 775         break;
 776     case WalletModel::Locked:
 777         labelEncryptionIcon->show();
 778         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 779         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>locked</b>"));
 780         encryptWalletAction->setChecked(true);
 781         changePassphraseAction->setEnabled(true);
 782         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
 783         break;
 784     }
 785 }
 786
 787 void BitcoinGUI::encryptWallet(bool status)
 788 {
 789     if(!walletModel)
 790         return;
 791     AskPassphraseDialog dlg(status ? AskPassphraseDialog::Encrypt:
 792                                      AskPassphraseDialog::Decrypt, this);
 793     dlg.setModel(walletModel);
 794     dlg.exec();
 795
 796     setEncryptionStatus(walletModel->getEncryptionStatus());
 797 }
 798
 799 void BitcoinGUI::backupWallet()
 800 {
 801     QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
 802     QString filename = QFileDialog::getSaveFileName(this, tr("Backup Wallet"), saveDir, tr("Wallet Data (*.dat)"));
 803     if(!filename.isEmpty()) {
 804         if(!walletModel->backupWallet(filename)) {
 805             QMessageBox::warning(this, tr("Backup Failed"), tr("There was an error trying to save the wallet data to the new location."));
 806         }
 807     }
 808 }
 809
 810 void BitcoinGUI::changePassphrase()
 811 {
 812     AskPassphraseDialog dlg(AskPassphraseDialog::ChangePass, this);
 813     dlg.setModel(walletModel);
 814     dlg.exec();
 815 }
 816
 817 void BitcoinGUI::unlockWallet()
 818 {
 819     if(!walletModel)
 820         return;
 821     // Unlock wallet when requested by wallet model
 822     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
 823     {
 824         AskPassphraseDialog dlg(AskPassphraseDialog::Unlock, this);
 825         dlg.setModel(walletModel);
 826         dlg.exec();
 827     }
 828 }
 829
 830 void BitcoinGUI::showNormalIfMinimized()
 831 {
 832     if(!isVisible()) // Show, if hidden
 833         show();
 834     if(isMinimized()) // Unminimize, if minimized
 835         showNormal();
 836 }