src/qt/bitcoingui.cpp

   1 /*
   2  * Qt4 bitcoin GUI.
   3  *
   4  * W.J. van der Laan 2011
   5  */
   6 #include "bitcoingui.h"
   7 #include "transactiontablemodel.h"
   8 #include "addressbookpage.h"
   9 #include "sendcoinsdialog.h"
  10 #include "optionsdialog.h"
  11 #include "aboutdialog.h"
  12 #include "clientmodel.h"
  13 #include "walletmodel.h"
  14 #include "editaddressdialog.h"
  15 #include "optionsmodel.h"
  16 #include "transactiondescdialog.h"
  17 #include "addresstablemodel.h"
  18 #include "transactionview.h"
  19 #include "overviewpage.h"
  20 #include "bitcoinunits.h"
  21 #include "guiconstants.h"
  22
  23 #include <QApplication>
  24 #include <QMainWindow>
  25 #include <QMenuBar>
  26 #include <QMenu>
  27 #include <QIcon>
  28 #include <QTabWidget>
  29 #include <QVBoxLayout>
  30 #include <QToolBar>
  31 #include <QStatusBar>
  32 #include <QLabel>
  33 #include <QLineEdit>
  34 #include <QPushButton>
  35 #include <QLocale>
  36 #include <QMessageBox>
  37 #include <QProgressBar>
  38 #include <QStackedWidget>
  39 #include <QDateTime>
  40 #include <QMovie>
  41
  42 #include <QDragEnterEvent>
  43 #include <QUrl>
  44
  45 #include <iostream>
  46
  47 BitcoinGUI::BitcoinGUI(QWidget *parent):
  48     QMainWindow(parent),
  49     clientModel(0),
  50     walletModel(0),
  51     trayIcon(0)
  52 {
  53     resize(850, 550);
  54     setWindowTitle(tr("Bitcoin Wallet"));
  55     setWindowIcon(QIcon(":icons/bitcoin"));
  56     // Accept D&D of URIs
  57     setAcceptDrops(true);
  58
  59     createActions();
  60
  61     // Menus
  62     QMenu *file = menuBar()->addMenu(tr("&File"));
  63     file->addAction(sendCoinsAction);
  64     file->addAction(receiveCoinsAction);
  65     file->addSeparator();
  66     file->addAction(quitAction);
  67
  68     QMenu *settings = menuBar()->addMenu(tr("&Settings"));
  69     settings->addAction(optionsAction);
  70
  71     QMenu *help = menuBar()->addMenu(tr("&Help"));
  72     help->addAction(aboutAction);
  73
  74     // Toolbars
  75     QToolBar *toolbar = addToolBar(tr("Tabs toolbar"));
  76     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  77     toolbar->addAction(overviewAction);
  78     toolbar->addAction(sendCoinsAction);
  79     toolbar->addAction(receiveCoinsAction);
  80     toolbar->addAction(historyAction);
  81     toolbar->addAction(addressBookAction);
  82
  83     QToolBar *toolbar2 = addToolBar(tr("Actions toolbar"));
  84     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  85     toolbar2->addAction(exportAction);
  86
  87     // Create tabs
  88     overviewPage = new OverviewPage();
  89
  90     transactionsPage = new QWidget(this);
  91     QVBoxLayout *vbox = new QVBoxLayout();
  92     transactionView = new TransactionView(this);
  93     vbox->addWidget(transactionView);
  94     transactionsPage->setLayout(vbox);
  95
  96     addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
  97
  98     receiveCoinsPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab);
  99
 100     sendCoinsPage = new SendCoinsDialog(this);
 101
 102     centralWidget = new QStackedWidget(this);
 103     centralWidget->addWidget(overviewPage);
 104     centralWidget->addWidget(transactionsPage);
 105     centralWidget->addWidget(addressBookPage);
 106     centralWidget->addWidget(receiveCoinsPage);
 107     centralWidget->addWidget(sendCoinsPage);
 108     setCentralWidget(centralWidget);
 109
 110     // Create status bar
 111     statusBar();
 112
 113     // Status bar notification icons
 114     QFrame *frameBlocks = new QFrame();
 115     //frameBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 116     frameBlocks->setContentsMargins(0,0,0,0);
 117     frameBlocks->setMinimumWidth(56);
 118     frameBlocks->setMaximumWidth(56);
 119     QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
 120     frameBlocksLayout->setContentsMargins(3,0,3,0);
 121     frameBlocksLayout->setSpacing(3);
 122     labelEncryptionIcon = new QLabel();
 123     labelConnectionsIcon = new QLabel();
 124     labelBlocksIcon = new QLabel();
 125     frameBlocksLayout->addStretch();
 126     frameBlocksLayout->addWidget(labelEncryptionIcon);
 127     frameBlocksLayout->addStretch();
 128     frameBlocksLayout->addWidget(labelConnectionsIcon);
 129     frameBlocksLayout->addStretch();
 130     frameBlocksLayout->addWidget(labelBlocksIcon);
 131     frameBlocksLayout->addStretch();
 132
 133     // Progress bar for blocks download
 134     progressBarLabel = new QLabel(tr("Synchronizing with network..."));
 135     progressBarLabel->setVisible(false);
 136     progressBar = new QProgressBar();
 137     progressBar->setToolTip(tr("Block chain synchronization in progress"));
 138     progressBar->setVisible(false);
 139
 140     statusBar()->addWidget(progressBarLabel);
 141     statusBar()->addWidget(progressBar);
 142     statusBar()->addPermanentWidget(frameBlocks);
 143
 144     createTrayIcon();
 145
 146     syncIconMovie = new QMovie(":/movies/update_spinner", "mng", this);
 147
 148     // Clicking on a transaction on the overview page simply sends you to transaction history page
 149     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), this, SLOT(gotoHistoryPage()));
 150
 151     // Doubleclicking on a transaction on the transaction history page shows details
 152     connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
 153
 154     gotoOverviewPage();
 155 }
 156
 157 void BitcoinGUI::createActions()
 158 {
 159     QActionGroup *tabGroup = new QActionGroup(this);
 160
 161     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 162     overviewAction->setToolTip(tr("Show general overview of wallet"));
 163     overviewAction->setCheckable(true);
 164     tabGroup->addAction(overviewAction);
 165
 166     historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
 167     historyAction->setToolTip(tr("Browse transaction history"));
 168     historyAction->setCheckable(true);
 169     tabGroup->addAction(historyAction);
 170
 171     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 172     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 173     addressBookAction->setCheckable(true);
 174     tabGroup->addAction(addressBookAction);
 175
 176     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 177     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 178     receiveCoinsAction->setCheckable(true);
 179     tabGroup->addAction(receiveCoinsAction);
 180
 181     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 182     sendCoinsAction->setToolTip(tr("Send coins to a bitcoin address"));
 183     sendCoinsAction->setCheckable(true);
 184     tabGroup->addAction(sendCoinsAction);
 185
 186     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 187     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 188     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 189     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 190     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 191
 192     quitAction = new QAction(QIcon(":/icons/quit"), tr("&Exit"), this);
 193     quitAction->setToolTip(tr("Quit application"));
 194     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About"), this);
 195     aboutAction->setToolTip(tr("Show information about Bitcoin"));
 196     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 197     optionsAction->setToolTip(tr("Modify configuration options for bitcoin"));
 198     openBitcoinAction = new QAction(QIcon(":/icons/bitcoin"), tr("Open &Bitcoin"), this);
 199     openBitcoinAction->setToolTip(tr("Show the Bitcoin window"));
 200     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
 201     exportAction->setToolTip(tr("Export the current view to a file"));
 202
 203     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
 204     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 205     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 206     connect(openBitcoinAction, SIGNAL(triggered()), this, SLOT(show()));
 207 }
 208
 209 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 210 {
 211     this->clientModel = clientModel;
 212
 213     if(clientModel->isTestNet())
 214     {
 215         QString title_testnet = windowTitle() + QString(" ") + tr("[testnet]");
 216         setWindowTitle(title_testnet);
 217         setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 218         if(trayIcon)
 219         {
 220             trayIcon->setToolTip(title_testnet);
 221             trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 222         }
 223     }
 224
 225     // Keep up to date with client
 226     setNumConnections(clientModel->getNumConnections());
 227     connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 228
 229     setNumBlocks(clientModel->getNumBlocks());
 230     connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 231
 232     // Report errors from network/worker thread
 233     connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 234 }
 235
 236 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 237 {
 238     this->walletModel = walletModel;
 239
 240     // Report errors from wallet thread
 241     connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 242
 243     // Put transaction list in tabs
 244     transactionView->setModel(walletModel);
 245
 246     overviewPage->setModel(walletModel);
 247     addressBookPage->setModel(walletModel->getAddressTableModel());
 248     receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 249     sendCoinsPage->setModel(walletModel);
 250
 251     setEncryptionStatus(walletModel->getEncryptionStatus());
 252     connect(walletModel, SIGNAL(encryptionStatusChanged(int)), this, SLOT(setEncryptionStatus(int)));
 253
 254     // Balloon popup for new transaction
 255     connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 256             this, SLOT(incomingTransaction(QModelIndex,int,int)));
 257 }
 258
 259 void BitcoinGUI::createTrayIcon()
 260 {
 261     QMenu *trayIconMenu = new QMenu(this);
 262     trayIconMenu->addAction(openBitcoinAction);
 263     trayIconMenu->addAction(optionsAction);
 264     trayIconMenu->addSeparator();
 265     trayIconMenu->addAction(quitAction);
 266
 267     trayIcon = new QSystemTrayIcon(this);
 268     trayIcon->setContextMenu(trayIconMenu);
 269     trayIcon->setToolTip("Bitcoin client");
 270     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 271     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 272             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 273     trayIcon->show();
 274 }
 275
 276 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 277 {
 278     if(reason == QSystemTrayIcon::Trigger)
 279     {
 280         // Doubleclick on system tray icon triggers "open bitcoin"
 281         openBitcoinAction->trigger();
 282     }
 283 }
 284
 285 void BitcoinGUI::optionsClicked()
 286 {
 287     OptionsDialog dlg;
 288     dlg.setModel(clientModel->getOptionsModel());
 289     dlg.exec();
 290 }
 291
 292 void BitcoinGUI::aboutClicked()
 293 {
 294     AboutDialog dlg;
 295     dlg.setModel(clientModel);
 296     dlg.exec();
 297 }
 298
 299 void BitcoinGUI::setNumConnections(int count)
 300 {
 301     QString icon;
 302     switch(count)
 303     {
 304     case 0: icon = ":/icons/connect_0"; break;
 305     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 306     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 307     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 308     default: icon = ":/icons/connect_4"; break;
 309     }
 310     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 311     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to Bitcoin network", "", count));
 312 }
 313
 314 void BitcoinGUI::setNumBlocks(int count)
 315 {
 316     int total = clientModel->getTotalBlocksEstimate();
 317     QString tooltip;
 318
 319     if(count < total)
 320     {
 321         progressBarLabel->setVisible(true);
 322         progressBar->setVisible(true);
 323         progressBar->setMaximum(total);
 324         progressBar->setValue(count);
 325         tooltip = tr("Downloaded %1 of %2 blocks of transaction history.").arg(count).arg(total);
 326     }
 327     else
 328     {
 329         progressBarLabel->setVisible(false);
 330         progressBar->setVisible(false);
 331         tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
 332     }
 333
 334     QDateTime now = QDateTime::currentDateTime();
 335     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 336     int secs = lastBlockDate.secsTo(now);
 337     QString text;
 338
 339     // Represent time from last generated block in human readable text
 340     if(secs < 60)
 341     {
 342         text = tr("%n second(s) ago","",secs);
 343     }
 344     else if(secs < 60*60)
 345     {
 346         text = tr("%n minute(s) ago","",secs/60);
 347     }
 348     else if(secs < 24*60*60)
 349     {
 350         text = tr("%n hour(s) ago","",secs/(60*60));
 351     }
 352     else
 353     {
 354         text = tr("%n day(s) ago","",secs/(60*60*24));
 355     }
 356
 357     // Set icon state: spinning if catching up, tick otherwise
 358     if(secs < 30*60)
 359     {
 360         tooltip = tr("Up to date") + QString("\n") + tooltip;
 361         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 362     }
 363     else
 364     {
 365         tooltip = tr("Catching up...") + QString("\n") + tooltip;
 366         labelBlocksIcon->setMovie(syncIconMovie);
 367         syncIconMovie->start();
 368     }
 369
 370     tooltip += QString("\n");
 371     tooltip += tr("Last received block was generated %1.").arg(text);
 372
 373     labelBlocksIcon->setToolTip(tooltip);
 374     progressBarLabel->setToolTip(tooltip);
 375     progressBar->setToolTip(tooltip);
 376 }
 377
 378 void BitcoinGUI::error(const QString &title, const QString &message)
 379 {
 380     // Report errors from network/worker thread
 381     if(trayIcon->supportsMessages())
 382     {
 383         // Show as "balloon" message if possible
 384         trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
 385     }
 386     else
 387     {
 388         // Fall back to old fashioned popup dialog if not
 389         QMessageBox::critical(this, title,
 390             message,
 391             QMessageBox::Ok, QMessageBox::Ok);
 392     }
 393 }
 394
 395 void BitcoinGUI::changeEvent(QEvent *e)
 396 {
 397     if (e->type() == QEvent::WindowStateChange)
 398     {
 399         if(clientModel->getOptionsModel()->getMinimizeToTray())
 400         {
 401             if (isMinimized())
 402             {
 403                 hide();
 404                 e->ignore();
 405             }
 406             else
 407             {
 408                 e->accept();
 409             }
 410         }
 411     }
 412     QMainWindow::changeEvent(e);
 413 }
 414
 415 void BitcoinGUI::closeEvent(QCloseEvent *event)
 416 {
 417     if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 418        !clientModel->getOptionsModel()->getMinimizeOnClose())
 419     {
 420         qApp->quit();
 421     }
 422     QMainWindow::closeEvent(event);
 423 }
 424
 425 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 426 {
 427     QString strMessage =
 428         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 429           "which goes to the nodes that process your transaction and helps to support the network.  "
 430           "Do you want to pay the fee?").arg(
 431                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 432     QMessageBox::StandardButton retval = QMessageBox::question(
 433           this, tr("Sending..."), strMessage,
 434           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 435     *payFee = (retval == QMessageBox::Yes);
 436 }
 437
 438 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 439 {
 440     if(start == end)
 441         return;
 442     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 443     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 444                     .data(Qt::EditRole).toULongLong();
 445     if(!clientModel->inInitialBlockDownload())
 446     {
 447         // On new transaction, make an info balloon
 448         // Unless the initial block download is in progress, to prevent balloon-spam
 449         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 450                         .data().toString();
 451         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 452                         .data().toString();
 453         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 454                         .data().toString();
 455
 456         trayIcon->showMessage((amount)<0 ? tr("Sent transaction") :
 457                                            tr("Incoming transaction"),
 458                               tr("Date: ") + date + "\n" +
 459                               tr("Amount: ") + BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true) + "\n" +
 460                               tr("Type: ") + type + "\n" +
 461                               tr("Address: ") + address + "\n",
 462                               QSystemTrayIcon::Information);
 463     }
 464 }
 465
 466 void BitcoinGUI::gotoOverviewPage()
 467 {
 468     overviewAction->setChecked(true);
 469     centralWidget->setCurrentWidget(overviewPage);
 470
 471     exportAction->setEnabled(false);
 472     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 473 }
 474
 475 void BitcoinGUI::gotoHistoryPage()
 476 {
 477     historyAction->setChecked(true);
 478     centralWidget->setCurrentWidget(transactionsPage);
 479
 480     exportAction->setEnabled(true);
 481     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 482     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 483 }
 484
 485 void BitcoinGUI::gotoAddressBookPage()
 486 {
 487     addressBookAction->setChecked(true);
 488     centralWidget->setCurrentWidget(addressBookPage);
 489
 490     exportAction->setEnabled(true);
 491     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 492     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 493 }
 494
 495 void BitcoinGUI::gotoReceiveCoinsPage()
 496 {
 497     receiveCoinsAction->setChecked(true);
 498     centralWidget->setCurrentWidget(receiveCoinsPage);
 499
 500     exportAction->setEnabled(true);
 501     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 502     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 503 }
 504
 505 void BitcoinGUI::gotoSendCoinsPage()
 506 {
 507     sendCoinsAction->setChecked(true);
 508     if(centralWidget->currentWidget() != sendCoinsPage)
 509     {
 510         // Clear the current contents if we arrived from another tab
 511         sendCoinsPage->clear();
 512     }
 513     centralWidget->setCurrentWidget(sendCoinsPage);
 514
 515     exportAction->setEnabled(false);
 516     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 517 }
 518
 519 void BitcoinGUI::dragEnterEvent(QDragEnterEvent *event)
 520 {
 521     // Accept only URLs
 522     if(event->mimeData()->hasUrls())
 523         event->acceptProposedAction();
 524 }
 525
 526 void BitcoinGUI::dropEvent(QDropEvent *event)
 527 {
 528     if(event->mimeData()->hasUrls())
 529     {
 530         gotoSendCoinsPage();
 531         QList<QUrl> urls = event->mimeData()->urls();
 532         foreach(const QUrl &url, urls)
 533         {
 534             sendCoinsPage->handleURL(&url);
 535         }
 536     }
 537
 538     event->acceptProposedAction();
 539 }
 540
 541 void BitcoinGUI::setEncryptionStatus(int status)
 542 {
 543     switch(status)
 544     {
 545     case WalletModel::Unencrypted:
 546         labelEncryptionIcon->hide();
 547         break;
 548     case WalletModel::Unlocked:
 549         labelEncryptionIcon->show();
 550         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 551         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>unlocked</b>"));
 552         break;
 553     case WalletModel::Locked:
 554         labelEncryptionIcon->show();
 555         labelEncryptionIcon->setPixmap(QIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
 556         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>locked</b>"));
 557         break;
 558     }
 559 }