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
   8 #include "checkpoints.h"
   9
  10 #include "bitcoingui.h"
  11 #include "transactiontablemodel.h"
  12 #include "addressbookpage.h"
  13 #include "sendcoinsdialog.h"
  14 #include "messagepage.h"
  15 #include "optionsdialog.h"
  16 #include "aboutdialog.h"
  17 #include "clientmodel.h"
  18 #include "walletmodel.h"
  19 #include "editaddressdialog.h"
  20 #include "optionsmodel.h"
  21 #include "transactiondescdialog.h"
  22 #include "addresstablemodel.h"
  23 #include "transactionview.h"
  24 #include "overviewpage.h"
  25 #include "bitcoinunits.h"
  26 #include "guiconstants.h"
  27 #include "askpassphrasedialog.h"
  28 #include "notificator.h"
  29
  30 #ifdef Q_WS_MAC
  31 #include "macdockiconhandler.h"
  32 #endif
  33
  34 #include <QApplication>
  35 #include <QMainWindow>
  36 #include <QMenuBar>
  37 #include <QMenu>
  38 #include <QIcon>
  39 #include <QTabWidget>
  40 #include <QVBoxLayout>
  41 #include <QToolBar>
  42 #include <QStatusBar>
  43 #include <QLabel>
  44 #include <QLineEdit>
  45 #include <QPushButton>
  46 #include <QLocale>
  47 #include <QMessageBox>
  48 #include <QProgressBar>
  49 #include <QStackedWidget>
  50 #include <QDateTime>
  51 #include <QMovie>
  52 #include <QFileDialog>
  53 #include <QDesktopServices>
  54 #include <QTimer>
  55
  56 #include <QDragEnterEvent>
  57 #include <QUrl>
  58
  59 #include <iostream>
  60
  61 BitcoinGUI::BitcoinGUI(QWidget *parent):
  62     QMainWindow(parent),
  63     clientModel(0),
  64     walletModel(0),
  65     encryptWalletAction(0),
  66     changePassphraseAction(0),
  67     aboutQtAction(0),
  68     trayIcon(0),
  69     notificator(0)
  70 {
  71     resize(850, 550);
  72     setWindowTitle(tr("Bitcoin Wallet"));
  73 #ifndef Q_WS_MAC
  74     setWindowIcon(QIcon(":icons/bitcoin"));
  75 #else
  76     setUnifiedTitleAndToolBarOnMac(true);
  77     QApplication::setAttribute(Qt::AA_DontShowIconsInMenus);
  78 #endif
  79     // Accept D&D of URIs
  80     setAcceptDrops(true);
  81
  82     // Create actions for the toolbar, menu bar and tray/dock icon
  83     createActions();
  84
  85     // Create application menu bar
  86     createMenuBar();
  87
  88     // Create the toolbars
  89     createToolBars();
  90
  91     // Create the tray icon (or setup the dock icon)
  92     createTrayIcon();
  93
  94     // Create tabs
  95     overviewPage = new OverviewPage();
  96
  97     transactionsPage = new QWidget(this);
  98     QVBoxLayout *vbox = new QVBoxLayout();
  99     transactionView = new TransactionView(this);
 100     vbox->addWidget(transactionView);
 101     transactionsPage->setLayout(vbox);
 102
 103     addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
 104
 105     receiveCoinsPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab);
 106
 107     sendCoinsPage = new SendCoinsDialog(this);
 108
 109     messagePage = new MessagePage(this);
 110
 111     centralWidget = new QStackedWidget(this);
 112     centralWidget->addWidget(overviewPage);
 113     centralWidget->addWidget(transactionsPage);
 114     centralWidget->addWidget(addressBookPage);
 115     centralWidget->addWidget(receiveCoinsPage);
 116     centralWidget->addWidget(sendCoinsPage);
 117 #ifdef FIRST_CLASS_MESSAGING
 118     centralWidget->addWidget(messagePage);
 119 #endif
 120     setCentralWidget(centralWidget);
 121
 122     // Create status bar
 123     statusBar();
 124
 125     // Status bar notification icons
 126     QFrame *frameBlocks = new QFrame();
 127     frameBlocks->setContentsMargins(0,0,0,0);
 128     frameBlocks->setMinimumWidth(56);
 129     frameBlocks->setMaximumWidth(56);
 130     QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
 131     frameBlocksLayout->setContentsMargins(3,0,3,0);
 132     frameBlocksLayout->setSpacing(3);
 133     labelEncryptionIcon = new QLabel();
 134     labelConnectionsIcon = new QLabel();
 135     labelBlocksIcon = new QLabel();
 136     frameBlocksLayout->addStretch();
 137     frameBlocksLayout->addWidget(labelEncryptionIcon);
 138     frameBlocksLayout->addStretch();
 139     frameBlocksLayout->addWidget(labelConnectionsIcon);
 140     frameBlocksLayout->addStretch();
 141     frameBlocksLayout->addWidget(labelBlocksIcon);
 142     frameBlocksLayout->addStretch();
 143
 144     // Progress bar for blocks download
 145     progressBarLabel = new QLabel(tr("Synchronizing with network..."));
 146     progressBarLabel->setVisible(false);
 147     progressBar = new QProgressBar();
 148     progressBar->setToolTip(tr("Block chain synchronization in progress"));
 149     progressBar->setVisible(false);
 150
 151     statusBar()->addWidget(progressBarLabel);
 152     statusBar()->addWidget(progressBar);
 153     statusBar()->addPermanentWidget(frameBlocks);
 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 #ifdef Q_WS_MAC
 169     delete appMenuBar;
 170 #endif
 171 }
 172
 173 void BitcoinGUI::createActions()
 174 {
 175     QActionGroup *tabGroup = new QActionGroup(this);
 176
 177     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 178     overviewAction->setToolTip(tr("Show general overview of wallet"));
 179     overviewAction->setCheckable(true);
 180     overviewAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_1));
 181     tabGroup->addAction(overviewAction);
 182
 183     historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
 184     historyAction->setToolTip(tr("Browse transaction history"));
 185     historyAction->setCheckable(true);
 186     historyAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_4));
 187     tabGroup->addAction(historyAction);
 188
 189     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 190     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 191     addressBookAction->setCheckable(true);
 192     addressBookAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_5));
 193     tabGroup->addAction(addressBookAction);
 194
 195     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 196     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 197     receiveCoinsAction->setCheckable(true);
 198     receiveCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_3));
 199     tabGroup->addAction(receiveCoinsAction);
 200
 201     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 202     sendCoinsAction->setToolTip(tr("Send coins to a bitcoin address"));
 203     sendCoinsAction->setCheckable(true);
 204     sendCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_2));
 205     tabGroup->addAction(sendCoinsAction);
 206
 207     messageAction = new QAction(QIcon(":/icons/edit"), tr("Sign &message"), this);
 208     messageAction->setToolTip(tr("Prove you control an address"));
 209 #ifdef FIRST_CLASS_MESSAGING
 210     messageAction->setCheckable(true);
 211 #endif
 212     tabGroup->addAction(messageAction);
 213
 214     connect(overviewAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 215     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 216     connect(historyAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 217     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 218     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 219     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 220     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 221     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 222     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 223     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 224     connect(messageAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 225     connect(messageAction, SIGNAL(triggered()), this, SLOT(gotoMessagePage()));
 226
 227     quitAction = new QAction(QIcon(":/icons/quit"), tr("E&xit"), this);
 228     quitAction->setToolTip(tr("Quit application"));
 229     quitAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
 230     quitAction->setMenuRole(QAction::QuitRole);
 231     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About %1").arg(qApp->applicationName()), this);
 232     aboutAction->setToolTip(tr("Show information about Bitcoin"));
 233     aboutAction->setMenuRole(QAction::AboutRole);
 234     aboutQtAction = new QAction(tr("About &Qt"), this);
 235     aboutQtAction->setToolTip(tr("Show information about Qt"));
 236     aboutQtAction->setMenuRole(QAction::AboutQtRole);
 237     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 238     optionsAction->setToolTip(tr("Modify configuration options for bitcoin"));
 239     optionsAction->setMenuRole(QAction::PreferencesRole);
 240     openBitcoinAction = new QAction(QIcon(":/icons/bitcoin"), tr("Open &Bitcoin"), this);
 241     openBitcoinAction->setToolTip(tr("Show the Bitcoin window"));
 242     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
 243     exportAction->setToolTip(tr("Export the data in the current tab to a file"));
 244     encryptWalletAction = new QAction(QIcon(":/icons/lock_closed"), tr("&Encrypt Wallet"), this);
 245     encryptWalletAction->setToolTip(tr("Encrypt or decrypt wallet"));
 246     encryptWalletAction->setCheckable(true);
 247     backupWalletAction = new QAction(QIcon(":/icons/filesave"), tr("&Backup Wallet"), this);
 248     backupWalletAction->setToolTip(tr("Backup wallet to another location"));
 249     changePassphraseAction = new QAction(QIcon(":/icons/key"), tr("&Change Passphrase"), this);
 250     changePassphraseAction->setToolTip(tr("Change the passphrase used for wallet encryption"));
 251
 252     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
 253     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 254     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 255     connect(aboutQtAction, SIGNAL(triggered()), qApp, SLOT(aboutQt()));
 256     connect(openBitcoinAction, SIGNAL(triggered()), this, SLOT(showNormalIfMinimized()));
 257     connect(encryptWalletAction, SIGNAL(triggered(bool)), this, SLOT(encryptWallet(bool)));
 258     connect(backupWalletAction, SIGNAL(triggered()), this, SLOT(backupWallet()));
 259     connect(changePassphraseAction, SIGNAL(triggered()), this, SLOT(changePassphrase()));
 260 }
 261
 262 void BitcoinGUI::createMenuBar()
 263 {
 264 #ifdef Q_WS_MAC
 265     // Create a decoupled menu bar on Mac which stays even if the window is closed
 266     appMenuBar = new QMenuBar();
 267 #else
 268     // Get the main window's menu bar on other platforms
 269     appMenuBar = menuBar();
 270 #endif
 271
 272     // Configure the menus
 273     QMenu *file = appMenuBar->addMenu(tr("&File"));
 274     file->addAction(backupWalletAction);
 275     file->addAction(exportAction);
 276 #ifndef FIRST_CLASS_MESSAGING
 277     file->addAction(messageAction);
 278 #endif
 279     file->addSeparator();
 280     file->addAction(quitAction);
 281
 282     QMenu *settings = appMenuBar->addMenu(tr("&Settings"));
 283     settings->addAction(encryptWalletAction);
 284     settings->addAction(changePassphraseAction);
 285     settings->addSeparator();
 286     settings->addAction(optionsAction);
 287
 288     QMenu *help = appMenuBar->addMenu(tr("&Help"));
 289     help->addAction(aboutAction);
 290     help->addAction(aboutQtAction);
 291 }
 292
 293 void BitcoinGUI::createToolBars()
 294 {
 295     QToolBar *toolbar = addToolBar(tr("Tabs toolbar"));
 296     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 297     toolbar->addAction(overviewAction);
 298     toolbar->addAction(sendCoinsAction);
 299     toolbar->addAction(receiveCoinsAction);
 300     toolbar->addAction(historyAction);
 301     toolbar->addAction(addressBookAction);
 302 #ifdef FIRST_CLASS_MESSAGING
 303     toolbar->addAction(messageAction);
 304 #endif
 305
 306     QToolBar *toolbar2 = addToolBar(tr("Actions toolbar"));
 307     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
 308     toolbar2->addAction(exportAction);
 309 }
 310
 311 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 312 {
 313     this->clientModel = clientModel;
 314     if(clientModel)
 315     {
 316         if(clientModel->isTestNet())
 317         {
 318             QString title_testnet = windowTitle() + QString(" ") + tr("[testnet]");
 319             setWindowTitle(title_testnet);
 320 #ifndef Q_WS_MAC
 321             setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 322 #else
 323             MacDockIconHandler::instance()->setIcon(QIcon(":icons/bitcoin_testnet"));
 324 #endif
 325             if(trayIcon)
 326             {
 327                 trayIcon->setToolTip(title_testnet);
 328                 trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 329             }
 330         }
 331
 332         // Keep up to date with client
 333         setNumConnections(clientModel->getNumConnections());
 334         connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 335
 336         setNumBlocks(clientModel->getNumBlocks());
 337         connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 338
 339         // Report errors from network/worker thread
 340         connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 341     }
 342 }
 343
 344 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 345 {
 346     this->walletModel = walletModel;
 347     if(walletModel)
 348     {
 349         // Report errors from wallet thread
 350         connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 351
 352         // Put transaction list in tabs
 353         transactionView->setModel(walletModel);
 354
 355         overviewPage->setModel(walletModel);
 356         addressBookPage->setModel(walletModel->getAddressTableModel());
 357         receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 358         sendCoinsPage->setModel(walletModel);
 359         messagePage->setModel(walletModel);
 360
 361         setEncryptionStatus(walletModel->getEncryptionStatus());
 362         connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
 363
 364         // Balloon popup for new transaction
 365         connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 366                 this, SLOT(incomingTransaction(QModelIndex,int,int)));
 367
 368         // Ask for passphrase if needed
 369         connect(walletModel, SIGNAL(requireUnlock()), this, SLOT(unlockWallet()));
 370     }
 371 }
 372
 373 void BitcoinGUI::createTrayIcon()
 374 {
 375     QMenu *trayIconMenu;
 376 #ifndef Q_WS_MAC
 377     trayIcon = new QSystemTrayIcon(this);
 378     trayIconMenu = new QMenu(this);
 379     trayIcon->setContextMenu(trayIconMenu);
 380     trayIcon->setToolTip("Bitcoin client");
 381     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 382     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 383             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 384     trayIcon->show();
 385 #else
 386     // Note: On Mac, the dock icon is used to provide the tray's functionality.
 387     MacDockIconHandler *dockIconHandler = MacDockIconHandler::instance();
 388     connect(dockIconHandler, SIGNAL(dockIconClicked()), openBitcoinAction, SLOT(trigger()));
 389     trayIconMenu = dockIconHandler->dockMenu();
 390 #endif
 391
 392     // Configuration of the tray icon (or dock icon) icon menu
 393     trayIconMenu->addAction(openBitcoinAction);
 394     trayIconMenu->addSeparator();
 395     trayIconMenu->addAction(messageAction);
 396 #ifndef FIRST_CLASS_MESSAGING
 397     trayIconMenu->addSeparator();
 398 #endif
 399     trayIconMenu->addAction(receiveCoinsAction);
 400     trayIconMenu->addAction(sendCoinsAction);
 401     trayIconMenu->addSeparator();
 402     trayIconMenu->addAction(optionsAction);
 403 #ifndef Q_WS_MAC // This is built-in on Mac
 404     trayIconMenu->addSeparator();
 405     trayIconMenu->addAction(quitAction);
 406 #endif
 407
 408     notificator = new Notificator(tr("bitcoin-qt"), trayIcon);
 409 }
 410
 411 #ifndef Q_WS_MAC
 412 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 413 {
 414     if(reason == QSystemTrayIcon::Trigger)
 415     {
 416         // Click on system tray icon triggers "open bitcoin"
 417         openBitcoinAction->trigger();
 418     }
 419 }
 420 #endif
 421
 422 void BitcoinGUI::optionsClicked()
 423 {
 424     if(!clientModel || !clientModel->getOptionsModel())
 425         return;
 426     OptionsDialog dlg;
 427     dlg.setModel(clientModel->getOptionsModel());
 428     dlg.exec();
 429 }
 430
 431 void BitcoinGUI::aboutClicked()
 432 {
 433     AboutDialog dlg;
 434     dlg.setModel(clientModel);
 435     dlg.exec();
 436 }
 437
 438 void BitcoinGUI::setNumConnections(int count)
 439 {
 440     QString icon;
 441     switch(count)
 442     {
 443     case 0: icon = ":/icons/connect_0"; break;
 444     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 445     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 446     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 447     default: icon = ":/icons/connect_4"; break;
 448     }
 449     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 450     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to Bitcoin network", "", count));
 451 }
 452
 453 void BitcoinGUI::setNumBlocks(int count)
 454 {
 455     if(!clientModel)
 456         return;
 457     int total = clientModel->getNumBlocksOfPeers();
 458     QString tooltip;
 459
 460     if(count < total)
 461     {
 462         if (clientModel->getStatusBarWarnings() == "")
 463         {
 464             progressBarLabel->setVisible(true);
 465             progressBarLabel->setText(tr("Synchronizing with network..."));
 466             progressBar->setVisible(true);
 467             progressBar->setMaximum(total);
 468             progressBar->setValue(count);
 469         }
 470         else
 471         {
 472             progressBarLabel->setText(clientModel->getStatusBarWarnings());
 473             progressBarLabel->setVisible(true);
 474             progressBar->setVisible(false);
 475         }
 476         tooltip = tr("Downloaded %1 of %2 blocks of transaction history.").arg(count).arg(total);
 477     }
 478     else
 479     {
 480         if (clientModel->getStatusBarWarnings() == "")
 481             progressBarLabel->setVisible(false);
 482         else
 483         {
 484             progressBarLabel->setText(clientModel->getStatusBarWarnings());
 485             progressBarLabel->setVisible(true);
 486         }
 487         progressBar->setVisible(false);
 488         tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
 489     }
 490
 491     QDateTime now = QDateTime::currentDateTime();
 492     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 493     int secs = lastBlockDate.secsTo(now);
 494     QString text;
 495
 496     // Represent time from last generated block in human readable text
 497     if(secs <= 0)
 498     {
 499         // Fully up to date. Leave text empty.
 500     }
 501     else if(secs < 60)
 502     {
 503         text = tr("%n second(s) ago","",secs);
 504     }
 505     else if(secs < 60*60)
 506     {
 507         text = tr("%n minute(s) ago","",secs/60);
 508     }
 509     else if(secs < 24*60*60)
 510     {
 511         text = tr("%n hour(s) ago","",secs/(60*60));
 512     }
 513     else
 514     {
 515         text = tr("%n day(s) ago","",secs/(60*60*24));
 516     }
 517
 518     // Set icon state: spinning if catching up, tick otherwise
 519     if(secs < 90*60 && count >= Checkpoints::GetTotalBlocksEstimate())
 520     {
 521         tooltip = tr("Up to date") + QString(".\n") + tooltip;
 522         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 523     }
 524     else
 525     {
 526         tooltip = tr("Catching up...") + QString("\n") + tooltip;
 527         labelBlocksIcon->setMovie(syncIconMovie);
 528         syncIconMovie->start();
 529     }
 530
 531     if(!text.isEmpty())
 532     {
 533         tooltip += QString("\n");
 534         tooltip += tr("Last received block was generated %1.").arg(text);
 535     }
 536
 537     labelBlocksIcon->setToolTip(tooltip);
 538     progressBarLabel->setToolTip(tooltip);
 539     progressBar->setToolTip(tooltip);
 540 }
 541
 542 void BitcoinGUI::refreshStatusBar()
 543 {
 544     /* Might display multiple times in the case of multiple alerts
 545     static QString prevStatusBar;
 546     QString newStatusBar = clientModel->getStatusBarWarnings();
 547     if (prevStatusBar != newStatusBar)
 548     {
 549         prevStatusBar = newStatusBar;
 550         error(tr("Network Alert"), newStatusBar);
 551     }*/
 552     setNumBlocks(clientModel->getNumBlocks());
 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 }