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 OS independent progress bar style (has to be placed after addWidget(), otherwise we crash)
 152     // we did this, because with some OSes default style, text on the progress bar is unreadable
 153     progressBar->setStyleSheet("QProgressBar { background-color: transparent; border: 1px solid grey; border-radius: 2px; padding: 1px; text-align: center; } QProgressBar::chunk { background: QLinearGradient(x1: 0, y1: 0, x2: 1, y2: 0, stop: 0 #FF8000, stop: 1 orange); margin: 0px; }");
 154
 155     syncIconMovie = new QMovie(":/movies/update_spinner", "mng", this);
 156
 157     // Clicking on a transaction on the overview page simply sends you to transaction history page
 158     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), this, SLOT(gotoHistoryPage()));
 159
 160     // Doubleclicking on a transaction on the transaction history page shows details
 161     connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
 162
 163     gotoOverviewPage();
 164 }
 165
 166 BitcoinGUI::~BitcoinGUI()
 167 {
 168     if(trayIcon) // Hide tray icon, as deleting will let it linger until quit (on Ubuntu)
 169         trayIcon->hide();
 170 #ifdef Q_WS_MAC
 171     delete appMenuBar;
 172 #endif
 173 }
 174
 175 void BitcoinGUI::createActions()
 176 {
 177     QActionGroup *tabGroup = new QActionGroup(this);
 178
 179     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 180     overviewAction->setToolTip(tr("Show general overview of wallet"));
 181     overviewAction->setCheckable(true);
 182     overviewAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_1));
 183     tabGroup->addAction(overviewAction);
 184
 185     historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
 186     historyAction->setToolTip(tr("Browse transaction history"));
 187     historyAction->setCheckable(true);
 188     historyAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_4));
 189     tabGroup->addAction(historyAction);
 190
 191     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 192     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 193     addressBookAction->setCheckable(true);
 194     addressBookAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_5));
 195     tabGroup->addAction(addressBookAction);
 196
 197     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 198     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 199     receiveCoinsAction->setCheckable(true);
 200     receiveCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_3));
 201     tabGroup->addAction(receiveCoinsAction);
 202
 203     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 204     sendCoinsAction->setToolTip(tr("Send coins to a bitcoin address"));
 205     sendCoinsAction->setCheckable(true);
 206     sendCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_2));
 207     tabGroup->addAction(sendCoinsAction);
 208
 209     messageAction = new QAction(QIcon(":/icons/edit"), tr("Sign &message"), this);
 210     messageAction->setToolTip(tr("Prove you control an address"));
 211 #ifdef FIRST_CLASS_MESSAGING
 212     messageAction->setCheckable(true);
 213 #endif
 214     tabGroup->addAction(messageAction);
 215
 216     connect(overviewAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 217     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 218     connect(historyAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 219     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 220     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 221     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 222     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 223     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 224     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 225     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 226     connect(messageAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 227     connect(messageAction, SIGNAL(triggered()), this, SLOT(gotoMessagePage()));
 228
 229     quitAction = new QAction(QIcon(":/icons/quit"), tr("E&xit"), this);
 230     quitAction->setToolTip(tr("Quit application"));
 231     quitAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 232     quitAction->setMenuRole(QAction::QuitRole);
 233     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About %1").arg(qApp->applicationName()), this);
 234     aboutAction->setToolTip(tr("Show information about Bitcoin"));
 235     aboutAction->setMenuRole(QAction::AboutRole);
 236     aboutQtAction = new QAction(tr("About &Qt"), this);
 237     aboutQtAction->setToolTip(tr("Show information about Qt"));
 238     aboutQtAction->setMenuRole(QAction::AboutQtRole);
 239     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 240     optionsAction->setToolTip(tr("Modify configuration options for bitcoin"));
 241     optionsAction->setMenuRole(QAction::PreferencesRole);
 242     openBitcoinAction = new QAction(QIcon(":/icons/bitcoin"), tr("Open &Bitcoin"), this);
 243     openBitcoinAction->setToolTip(tr("Show the Bitcoin window"));
 244     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
 245     exportAction->setToolTip(tr("Export the data in the current tab to a file"));
 246     encryptWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Encrypt Wallet"), this);
 247     encryptWalletAction->setToolTip(tr("Encrypt or decrypt wallet"));
 248     encryptWalletAction->setCheckable(true);
 249     backupWalletAction = new QAction(QIcon(":/icons/filesave"), tr("&Backup Wallet"), this);
 250     backupWalletAction->setToolTip(tr("Backup wallet to another location"));
 251     changePassphraseAction = new QAction(QIcon(":/icons/key"), tr("&Change Passphrase"), this);
 252     changePassphraseAction->setToolTip(tr("Change the passphrase used for wallet encryption"));
 253
 254     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
 255     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 256     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 257     connect(aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
 258     connect(openBitcoinAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 259     connect(encryptWalletAction, SIGNAL(triggered(bool)), this, SLOT(encryptWallet(bool)));
 260     connect(backupWalletAction, SIGNAL(triggered()), this, SLOT(backupWallet()));
 261     connect(changePassphraseAction, SIGNAL(triggered()), this, SLOT(changePassphrase()));
 262 }
 263
 264 void BitcoinGUI::createMenuBar()
 265 {
 266 #ifdef Q_WS_MAC
 267     // Create a decoupled menu bar on Mac which stays even if the window is closed
 268     appMenuBar = new QMenuBar();
 269 #else
 270     // Get the main window's menu bar on other platforms
 271     appMenuBar = menuBar();
 272 #endif
 273
 274     // Configure the menus
 275     QMenu *file = appMenuBar->addMenu(tr("&File"));
 276     file->addAction(backupWalletAction);
 277     file->addAction(exportAction);
 278 #ifndef FIRST_CLASS_MESSAGING
 279     file->addAction(messageAction);
 280 #endif
 281     file->addSeparator();
 282     file->addAction(quitAction);
 283
 284     QMenu *settings = appMenuBar->addMenu(tr("&Settings"));
 285     settings->addAction(encryptWalletAction);
 286     settings->addAction(changePassphraseAction);
 287     settings->addSeparator();
 288     settings->addAction(optionsAction);
 289
 290     QMenu *help = appMenuBar->addMenu(tr("&Help"));
 291     help->addAction(aboutAction);
 292     help->addAction(aboutQtAction);
 293 }
 294
 295 void BitcoinGUI::createToolBars()
 296 {
 297     QToolBar *toolbar = addToolBar(tr("Tabs toolbar"));
 298     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 299     toolbar->addAction(overviewAction);
 300     toolbar->addAction(sendCoinsAction);
 301     toolbar->addAction(receiveCoinsAction);
 302     toolbar->addAction(historyAction);
 303     toolbar->addAction(addressBookAction);
 304 #ifdef FIRST_CLASS_MESSAGING
 305     toolbar->addAction(messageAction);
 306 #endif
 307
 308     QToolBar *toolbar2 = addToolBar(tr("Actions toolbar"));
 309     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 310     toolbar2->addAction(exportAction);
 311 }
 312
 313 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 314 {
 315     this->clientModel = clientModel;
 316     if(clientModel)
 317     {
 318         if(clientModel->isTestNet())
 319         {
 320             QString title_testnet = windowTitle() + QString(" ") + tr("[testnet]");
 321             setWindowTitle(title_testnet);
 322 #ifndef Q_WS_MAC
 323             setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 324 #else
 325             MacDockIconHandler::instance()->setIcon(QIcon(":icons/bitcoin_testnet"));
 326 #endif
 327             if(trayIcon)
 328             {
 329                 trayIcon->setToolTip(title_testnet);
 330                 trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 331             }
 332         }
 333
 334         // Keep up to date with client
 335         setNumConnections(clientModel->getNumConnections());
 336         connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 337
 338         setNumBlocks(clientModel->getNumBlocks());
 339         connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 340
 341         // Report errors from network/worker thread
 342         connect(clientModel, SIGNAL(error(QString,QString, bool)), this, SLOT(error(QString,QString,bool)));
 343     }
 344 }
 345
 346 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 347 {
 348     this->walletModel = walletModel;
 349     if(walletModel)
 350     {
 351         // Report errors from wallet thread
 352         connect(walletModel, SIGNAL(error(QString,QString,bool)), this, SLOT(error(QString,QString,bool)));
 353
 354         // Put transaction list in tabs
 355         transactionView->setModel(walletModel);
 356
 357         overviewPage->setModel(walletModel);
 358         addressBookPage->setModel(walletModel->getAddressTableModel());
 359         receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 360         sendCoinsPage->setModel(walletModel);
 361         messagePage->setModel(walletModel);
 362
 363         setEncryptionStatus(walletModel->getEncryptionStatus());
 364         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
 365
 366         // Balloon popup for new transaction
 367         connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 368                 this, SLOT(incomingTransaction(QModelIndex,int,int)));
 369
 370         // Ask for passphrase if needed
 371         connect(walletModel, SIGNAL(requireUnlock()), this, SLOT(unlockWallet()));
 372     }
 373 }
 374
 375 void BitcoinGUI::createTrayIcon()
 376 {
 377     QMenu *trayIconMenu;
 378 #ifndef Q_WS_MAC
 379     trayIcon = new QSystemTrayIcon(this);
 380     trayIconMenu = new QMenu(this);
 381     trayIcon->setContextMenu(trayIconMenu);
 382     trayIcon->setToolTip(tr("Bitcoin client"));
 383     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 384     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 385             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 386     trayIcon->show();
 387 #else
 388     // Note: On Mac, the dock icon is used to provide the tray's functionality.
 389     MacDockIconHandler *dockIconHandler = MacDockIconHandler::instance();
 390     connect(dockIconHandler, SIGNAL(dockIconClicked()), openBitcoinAction, SLOT(trigger()));
 391     trayIconMenu = dockIconHandler->dockMenu();
 392 #endif
 393
 394     // Configuration of the tray icon (or dock icon) icon menu
 395     trayIconMenu->addAction(openBitcoinAction);
 396     trayIconMenu->addSeparator();
 397     trayIconMenu->addAction(messageAction);
 398 #ifndef FIRST_CLASS_MESSAGING
 399     trayIconMenu->addSeparator();
 400 #endif
 401     trayIconMenu->addAction(receiveCoinsAction);
 402     trayIconMenu->addAction(sendCoinsAction);
 403     trayIconMenu->addSeparator();
 404     trayIconMenu->addAction(optionsAction);
 405 #ifndef Q_WS_MAC // This is built-in on Mac
 406     trayIconMenu->addSeparator();
 407     trayIconMenu->addAction(quitAction);
 408 #endif
 409
 410     notificator = new Notificator(tr("bitcoin-qt"), trayIcon);
 411 }
 412
 413 #ifndef Q_WS_MAC
 414 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 415 {
 416     if(reason == QSystemTrayIcon::Trigger)
 417     {
 418         // Click on system tray icon triggers "open bitcoin"
 419         openBitcoinAction->trigger();
 420     }
 421 }
 422 #endif
 423
 424 void BitcoinGUI::optionsClicked()
 425 {
 426     if(!clientModel || !clientModel->getOptionsModel())
 427         return;
 428     OptionsDialog dlg;
 429     dlg.setModel(clientModel->getOptionsModel());
 430     dlg.exec();
 431 }
 432
 433 void BitcoinGUI::aboutClicked()
 434 {
 435     AboutDialog dlg;
 436     dlg.setModel(clientModel);
 437     dlg.exec();
 438 }
 439
 440 void BitcoinGUI::setNumConnections(int count)
 441 {
 442     QString icon;
 443     switch(count)
 444     {
 445     case 0: icon = ":/icons/connect_0"; break;
 446     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 447     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 448     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 449     default: icon = ":/icons/connect_4"; break;
 450     }
 451     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 452     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to Bitcoin network", "", count));
 453 }
 454
 455 void BitcoinGUI::setNumBlocks(int count)
 456 {
 457     // don't show / hide progressBar and it's label if we have no connection(s) to the network
 458     if (!clientModel || clientModel->getNumConnections() == 0)
 459     {
 460         progressBarLabel->setVisible(false);
 461         progressBar->setVisible(false);
 462
 463         return;
 464     }
 465
 466     int nTotalBlocks = clientModel->getNumBlocksOfPeers();
 467     QString tooltip;
 468
 469     if(count < nTotalBlocks)
 470     {
 471         int nRemainingBlocks = nTotalBlocks - count;
 472         float nPercentageDone = count / (nTotalBlocks * 0.01f);
 473
 474         if (clientModel->getStatusBarWarnings() == "")
 475         {
 476             progressBarLabel->setText(tr("Synchronizing with network..."));
 477             progressBarLabel->setVisible(true);
 478             progressBar->setFormat(tr("~%n block(s) remaining", "", nRemainingBlocks));
 479             progressBar->setMaximum(nTotalBlocks);
 480             progressBar->setValue(count);
 481             progressBar->setVisible(true);
 482         }
 483         else
 484         {
 485             progressBarLabel->setText(clientModel->getStatusBarWarnings());
 486             progressBarLabel->setVisible(true);
 487             progressBar->setVisible(false);
 488         }
 489         tooltip = tr("Downloaded %1 of %2 blocks of transaction history (%3% done).").arg(count).arg(nTotalBlocks).arg(nPercentageDone, 0, 'f', 2);
 490     }
 491     else
 492     {
 493         if (clientModel->getStatusBarWarnings() == "")
 494             progressBarLabel->setVisible(false);
 495         else
 496         {
 497             progressBarLabel->setText(clientModel->getStatusBarWarnings());
 498             progressBarLabel->setVisible(true);
 499         }
 500         progressBar->setVisible(false);
 501         tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
 502     }
 503
 504     QDateTime now = QDateTime::currentDateTime();
 505     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 506     int secs = lastBlockDate.secsTo(now);
 507     QString text;
 508
 509     // Represent time from last generated block in human readable text
 510     if(secs <= 0)
 511     {
 512         // Fully up to date. Leave text empty.
 513     }
 514     else if(secs < 60)
 515     {
 516         text = tr("%n second(s) ago","",secs);
 517     }
 518     else if(secs < 60*60)
 519     {
 520         text = tr("%n minute(s) ago","",secs/60);
 521     }
 522     else if(secs < 24*60*60)
 523     {
 524         text = tr("%n hour(s) ago","",secs/(60*60));
 525     }
 526     else
 527     {
 528         text = tr("%n day(s) ago","",secs/(60*60*24));
 529     }
 530
 531     // Set icon state: spinning if catching up, tick otherwise
 532     if(secs < 90*60)
 533     {
 534         tooltip = tr("Up to date") + QString(".\n") + tooltip;
 535         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 536     }
 537     else
 538     {
 539         tooltip = tr("Catching up...") + QString("\n") + tooltip;
 540         labelBlocksIcon->setMovie(syncIconMovie);
 541         syncIconMovie->start();
 542     }
 543
 544     if(!text.isEmpty())
 545     {
 546         tooltip += QString("\n");
 547         tooltip += tr("Last received block was generated %1.").arg(text);
 548     }
 549
 550     labelBlocksIcon->setToolTip(tooltip);
 551     progressBarLabel->setToolTip(tooltip);
 552     progressBar->setToolTip(tooltip);
 553 }
 554
 555 void BitcoinGUI::error(const QString &title, const QString &message, bool modal)
 556 {
 557     // Report errors from network/worker thread
 558     if(modal)
 559     {
 560         QMessageBox::critical(this, title, message, QMessageBox::Ok, QMessageBox::Ok);
 561     } else {
 562         notificator->notify(Notificator::Critical, title, message);
 563     }
 564 }
 565
 566 void BitcoinGUI::changeEvent(QEvent *e)
 567 {
 568     QMainWindow::changeEvent(e);
 569 #ifndef Q_WS_MAC // Ignored on Mac
 570     if(e->type() == QEvent::WindowStateChange)
 571     {
 572         if(clientModel && clientModel->getOptionsModel()->getMinimizeToTray())
 573         {
 574             QWindowStateChangeEvent *wsevt = static_cast<QWindowStateChangeEvent*>(e);
 575             if(!(wsevt->oldState() & Qt::WindowMinimized) && isMinimized())
 576             {
 577                 QTimer::singleShot(0, this, SLOT(hide()));
 578                 e->ignore();
 579             }
 580         }
 581     }
 582 #endif
 583 }
 584
 585 void BitcoinGUI::closeEvent(QCloseEvent *event)
 586 {
 587     if(clientModel)
 588     {
 589 #ifndef Q_WS_MAC // Ignored on Mac
 590         if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 591            !clientModel->getOptionsModel()->getMinimizeOnClose())
 592         {
 593             qApp->quit();
 594         }
 595 #endif
 596     }
 597     QMainWindow::closeEvent(event);
 598 }
 599
 600 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 601 {
 602     QString strMessage =
 603         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 604           "which goes to the nodes that process your transaction and helps to support the network.  "
 605           "Do you want to pay the fee?").arg(
 606                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 607     QMessageBox::StandardButton retval = QMessageBox::question(
 608           this, tr("Sending..."), strMessage,
 609           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 610     *payFee = (retval == QMessageBox::Yes);
 611 }
 612
 613 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 614 {
 615     if(!walletModel || !clientModel)
 616         return;
 617     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 618     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 619                     .data(Qt::EditRole).toULongLong();
 620     if(!clientModel->inInitialBlockDownload())
 621     {
 622         // On new transaction, make an info balloon
 623         // Unless the initial block download is in progress, to prevent balloon-spam
 624         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 625                         .data().toString();
 626         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 627                         .data().toString();
 628         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 629                         .data().toString();
 630         QIcon icon = qvariant_cast<QIcon>(ttm->index(start,
 631                             TransactionTableModel::ToAddress, parent)
 632                         .data(Qt::DecorationRole));
 633
 634         notificator->notify(Notificator::Information,
 635                             (amount)<0 ? tr("Sent transaction") :
 636                                          tr("Incoming transaction"),
 637                               tr("Date: %1\n"
 638                                  "Amount: %2\n"
 639                                  "Type: %3\n"
 640                                  "Address: %4\n")
 641                               .arg(date)
 642                               .arg(BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true))
 643                               .arg(type)
 644                               .arg(address), icon);
 645     }
 646 }
 647
 648 void BitcoinGUI::gotoOverviewPage()
 649 {
 650     overviewAction->setChecked(true);
 651     centralWidget->setCurrentWidget(overviewPage);
 652
 653     exportAction->setEnabled(false);
 654     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 655 }
 656
 657 void BitcoinGUI::gotoHistoryPage()
 658 {
 659     historyAction->setChecked(true);
 660     centralWidget->setCurrentWidget(transactionsPage);
 661
 662     exportAction->setEnabled(true);
 663     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 664     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 665 }
 666
 667 void BitcoinGUI::gotoAddressBookPage()
 668 {
 669     addressBookAction->setChecked(true);
 670     centralWidget->setCurrentWidget(addressBookPage);
 671
 672     exportAction->setEnabled(true);
 673     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 674     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 675 }
 676
 677 void BitcoinGUI::gotoReceiveCoinsPage()
 678 {
 679     receiveCoinsAction->setChecked(true);
 680     centralWidget->setCurrentWidget(receiveCoinsPage);
 681
 682     exportAction->setEnabled(true);
 683     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 684     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 685 }
 686
 687 void BitcoinGUI::gotoSendCoinsPage()
 688 {
 689     sendCoinsAction->setChecked(true);
 690     centralWidget->setCurrentWidget(sendCoinsPage);
 691
 692     exportAction->setEnabled(false);
 693     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 694 }
 695
 696 void BitcoinGUI::gotoMessagePage()
 697 {
 698 #ifdef FIRST_CLASS_MESSAGING
 699     messageAction->setChecked(true);
 700     centralWidget->setCurrentWidget(messagePage);
 701
 702     exportAction->setEnabled(false);
 703     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 704 #else
 705     messagePage->show();
 706     messagePage->setFocus();
 707 #endif
 708 }
 709
 710 void BitcoinGUI::gotoMessagePage(QString addr)
 711 {
 712     gotoMessagePage();
 713     messagePage->setAddress(addr);
 714 }
 715
 716 void BitcoinGUI::dragEnterEvent(QDragEnterEvent *event)
 717 {
 718     // Accept only URIs
 719     if(event->mimeData()->hasUrls())
 720         event->acceptProposedAction();
 721 }
 722
 723 void BitcoinGUI::dropEvent(QDropEvent *event)
 724 {
 725     if(event->mimeData()->hasUrls())
 726     {
 727         gotoSendCoinsPage();
 728         QList<QUrl> uris = event->mimeData()->urls();
 729         foreach(const QUrl &uri, uris)
 730         {
 731             sendCoinsPage->handleURI(uri.toString());
 732         }
 733     }
 734
 735     event->acceptProposedAction();
 736 }
 737
 738 void BitcoinGUI::handleURI(QString strURI)
 739 {
 740     gotoSendCoinsPage();
 741     sendCoinsPage->handleURI(strURI);
 742
 743     if(!isActiveWindow())
 744         activateWindow();
 745
 746     showNormalIfMinimized();
 747 }
 748
 749 void BitcoinGUI::setEncryptionStatus(int status)
 750 {
 751     switch(status)
 752     {
 753     case WalletModel::Unencrypted:
 754         labelEncryptionIcon->hide();
 755         encryptWalletAction->setChecked(false);
 756         changePassphraseAction->setEnabled(false);
 757         encryptWalletAction->setEnabled(true);
 758         break;
 759     case WalletModel::Unlocked:
 760         labelEncryptionIcon->show();
 761         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 762         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>unlocked</b>"));
 763         encryptWalletAction->setChecked(true);
 764         changePassphraseAction->setEnabled(true);
 765         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
 766         break;
 767     case WalletModel::Locked:
 768         labelEncryptionIcon->show();
 769         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 770         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>locked</b>"));
 771         encryptWalletAction->setChecked(true);
 772         changePassphraseAction->setEnabled(true);
 773         encryptWalletAction->setEnabled(false); // TODO: decrypt currently not supported
 774         break;
 775     }
 776 }
 777
 778 void BitcoinGUI::encryptWallet(bool status)
 779 {
 780     if(!walletModel)
 781         return;
 782     AskPassphraseDialog dlg(status ? AskPassphraseDialog::Encrypt:
 783                                      AskPassphraseDialog::Decrypt, this);
 784     dlg.setModel(walletModel);
 785     dlg.exec();
 786
 787     setEncryptionStatus(walletModel->getEncryptionStatus());
 788 }
 789
 790 void BitcoinGUI::backupWallet()
 791 {
 792     QString saveDir = QDesktopServices::storageLocation(QDesktopServices::DocumentsLocation);
 793     QString filename = QFileDialog::getSaveFileName(this, tr("Backup Wallet"), saveDir, tr("Wallet Data (*.dat)"));
 794     if(!filename.isEmpty()) {
 795         if(!walletModel->backupWallet(filename)) {
 796             QMessageBox::warning(this, tr("Backup Failed"), tr("There was an error trying to save the wallet data to the new location."));
 797         }
 798     }
 799 }
 800
 801 void BitcoinGUI::changePassphrase()
 802 {
 803     AskPassphraseDialog dlg(AskPassphraseDialog::ChangePass, this);
 804     dlg.setModel(walletModel);
 805     dlg.exec();
 806 }
 807
 808 void BitcoinGUI::unlockWallet()
 809 {
 810     if(!walletModel)
 811         return;
 812     // Unlock wallet when requested by wallet model
 813     if(walletModel->getEncryptionStatus() == WalletModel::Locked)
 814     {
 815         AskPassphraseDialog dlg(AskPassphraseDialog::Unlock, this);
 816         dlg.setModel(walletModel);
 817         dlg.exec();
 818     }
 819 }
 820
 821 void BitcoinGUI::showNormalIfMinimized()
 822 {
 823     if(!isVisible()) // Show, if hidden
 824         show();
 825     if(isMinimized()) // Unminimize, if minimized
 826         showNormal();
 827 }