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
  22 #include <QApplication>
  23 #include <QMainWindow>
  24 #include <QMenuBar>
  25 #include <QMenu>
  26 #include <QIcon>
  27 #include <QTabWidget>
  28 #include <QVBoxLayout>
  29 #include <QToolBar>
  30 #include <QStatusBar>
  31 #include <QLabel>
  32 #include <QLineEdit>
  33 #include <QPushButton>
  34 #include <QLocale>
  35 #include <QMessageBox>
  36 #include <QProgressBar>
  37 #include <QStackedWidget>
  38 #include <QDateTime>
  39 #include <QMovie>
  40
  41 #include <QDragEnterEvent>
  42 #include <QUrl>
  43
  44 #include <iostream>
  45
  46 BitcoinGUI::BitcoinGUI(QWidget *parent):
  47     QMainWindow(parent),
  48     clientModel(0),
  49     walletModel(0),
  50     trayIcon(0)
  51 {
  52     resize(850, 550);
  53     setWindowTitle(tr("Bitcoin Wallet"));
  54     setWindowIcon(QIcon(":icons/bitcoin"));
  55
  56     createActions();
  57
  58     // Menus
  59     QMenu *file = menuBar()->addMenu("&File");
  60     file->addAction(sendCoinsAction);
  61     file->addAction(receiveCoinsAction);
  62     file->addSeparator();
  63     file->addAction(quitAction);
  64
  65     QMenu *settings = menuBar()->addMenu("&Settings");
  66     settings->addAction(optionsAction);
  67
  68     QMenu *help = menuBar()->addMenu("&Help");
  69     help->addAction(aboutAction);
  70
  71     // Toolbar
  72     QToolBar *toolbar = addToolBar("Main toolbar");
  73     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  74     toolbar->addAction(overviewAction);
  75     toolbar->addAction(sendCoinsAction);
  76     toolbar->addAction(receiveCoinsAction);
  77     toolbar->addAction(historyAction);
  78     toolbar->addAction(addressBookAction);
  79
  80     QToolBar *toolbar2 = addToolBar("Transactions toolbar");
  81     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  82     toolbar2->addAction(exportAction);
  83
  84     // Overview page
  85     overviewPage = new OverviewPage();
  86     QVBoxLayout *vbox = new QVBoxLayout();
  87
  88     transactionView = new TransactionView(this);
  89     connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
  90     vbox->addWidget(transactionView);
  91
  92     transactionsPage = new QWidget(this);
  93     transactionsPage->setLayout(vbox);
  94
  95     addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
  96
  97     receiveCoinsPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab);
  98
  99     sendCoinsPage = new SendCoinsDialog(this);
 100
 101     centralWidget = new QStackedWidget(this);
 102     centralWidget->addWidget(overviewPage);
 103     centralWidget->addWidget(transactionsPage);
 104     centralWidget->addWidget(addressBookPage);
 105     centralWidget->addWidget(receiveCoinsPage);
 106     centralWidget->addWidget(sendCoinsPage);
 107     setCentralWidget(centralWidget);
 108
 109     // Create status bar
 110     statusBar();
 111
 112     // Status bar "Blocks" notification
 113     QFrame *frameBlocks = new QFrame();
 114     //frameBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 115     frameBlocks->setContentsMargins(0,0,0,0);
 116     frameBlocks->setMinimumWidth(56);
 117     frameBlocks->setMaximumWidth(56);
 118     QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
 119     frameBlocksLayout->setContentsMargins(3,0,3,0);
 120     frameBlocksLayout->setSpacing(3);
 121     labelConnectionsIcon = new QLabel();
 122     labelBlocksIcon = new QLabel();
 123     frameBlocksLayout->addStretch();
 124     frameBlocksLayout->addWidget(labelConnectionsIcon);
 125     frameBlocksLayout->addStretch();
 126     frameBlocksLayout->addWidget(labelBlocksIcon);
 127     frameBlocksLayout->addStretch();
 128
 129     // Progress bar for blocks download
 130     progressBarLabel = new QLabel(tr("Synchronizing with network..."));
 131     progressBarLabel->setVisible(false);
 132     progressBar = new QProgressBar();
 133     progressBar->setToolTip(tr("Block chain synchronization in progress"));
 134     progressBar->setVisible(false);
 135
 136     statusBar()->addWidget(progressBarLabel);
 137     statusBar()->addWidget(progressBar);
 138     statusBar()->addPermanentWidget(frameBlocks);
 139
 140     createTrayIcon();
 141
 142     syncIconMovie = new QMovie(":/movies/update_spinner", "mng", this);
 143
 144     // Clicking on a transaction simply sends you to transaction history page
 145     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), this, SLOT(gotoHistoryPage()));
 146
 147     setAcceptDrops(true);
 148
 149     gotoOverviewPage();
 150 }
 151
 152 void BitcoinGUI::createActions()
 153 {
 154     QActionGroup *tabGroup = new QActionGroup(this);
 155
 156     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 157     overviewAction->setToolTip(tr("Show general overview of wallet"));
 158     overviewAction->setCheckable(true);
 159     tabGroup->addAction(overviewAction);
 160
 161     historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
 162     historyAction->setToolTip(tr("Browse transaction history"));
 163     historyAction->setCheckable(true);
 164     tabGroup->addAction(historyAction);
 165
 166     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 167     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 168     addressBookAction->setCheckable(true);
 169     tabGroup->addAction(addressBookAction);
 170
 171     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 172     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 173     receiveCoinsAction->setCheckable(true);
 174     tabGroup->addAction(receiveCoinsAction);
 175
 176     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 177     sendCoinsAction->setToolTip(tr("Send coins to a bitcoin address"));
 178     sendCoinsAction->setCheckable(true);
 179     tabGroup->addAction(sendCoinsAction);
 180
 181     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 182     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 183     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 184     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 185     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 186
 187     quitAction = new QAction(QIcon(":/icons/quit"), tr("&Exit"), this);
 188     quitAction->setToolTip(tr("Quit application"));
 189     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About"), this);
 190     aboutAction->setToolTip(tr("Show information about Bitcoin"));
 191     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 192     optionsAction->setToolTip(tr("Modify configuration options for bitcoin"));
 193     openBitcoinAction = new QAction(QIcon(":/icons/bitcoin"), tr("Open &Bitcoin"), this);
 194     openBitcoinAction->setToolTip(tr("Show the Bitcoin window"));
 195     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
 196     exportAction->setToolTip(tr("Export the current view to a file"));
 197
 198     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
 199     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 200     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 201     connect(openBitcoinAction, SIGNAL(triggered()), this, SLOT(show()));
 202 }
 203
 204 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 205 {
 206     this->clientModel = clientModel;
 207
 208     if(clientModel->isTestNet())
 209     {
 210         QString title_testnet = windowTitle() + QString(" ") + tr("[testnet]");
 211         setWindowTitle(title_testnet);
 212         setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 213         if(trayIcon)
 214         {
 215             trayIcon->setToolTip(title_testnet);
 216             trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 217         }
 218     }
 219
 220     // Keep up to date with client
 221     setNumConnections(clientModel->getNumConnections());
 222     connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 223
 224     setNumBlocks(clientModel->getNumBlocks());
 225     connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 226
 227     // Report errors from network/worker thread
 228     connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 229 }
 230
 231 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 232 {
 233     this->walletModel = walletModel;
 234
 235     // Report errors from wallet thread
 236     connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 237
 238     // Put transaction list in tabs
 239     transactionView->setModel(walletModel);
 240
 241     overviewPage->setModel(walletModel);
 242     addressBookPage->setModel(walletModel->getAddressTableModel());
 243     receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 244     sendCoinsPage->setModel(walletModel);
 245
 246     // Balloon popup for new transaction
 247     connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 248             this, SLOT(incomingTransaction(QModelIndex,int,int)));
 249 }
 250
 251 void BitcoinGUI::createTrayIcon()
 252 {
 253     QMenu *trayIconMenu = new QMenu(this);
 254     trayIconMenu->addAction(openBitcoinAction);
 255     trayIconMenu->addAction(sendCoinsAction);
 256     trayIconMenu->addAction(optionsAction);
 257     trayIconMenu->addSeparator();
 258     trayIconMenu->addAction(quitAction);
 259
 260     trayIcon = new QSystemTrayIcon(this);
 261     trayIcon->setContextMenu(trayIconMenu);
 262     trayIcon->setToolTip("Bitcoin client");
 263     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 264     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 265             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 266     trayIcon->show();
 267 }
 268
 269 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 270 {
 271     if(reason == QSystemTrayIcon::DoubleClick)
 272     {
 273         // Doubleclick on system tray icon triggers "open bitcoin"
 274         openBitcoinAction->trigger();
 275     }
 276 }
 277
 278 void BitcoinGUI::optionsClicked()
 279 {
 280     OptionsDialog dlg;
 281     dlg.setModel(clientModel->getOptionsModel());
 282     dlg.exec();
 283 }
 284
 285 void BitcoinGUI::aboutClicked()
 286 {
 287     AboutDialog dlg;
 288     dlg.setModel(clientModel);
 289     dlg.exec();
 290 }
 291
 292 void BitcoinGUI::setNumConnections(int count)
 293 {
 294     QString icon;
 295     switch(count)
 296     {
 297     case 0: icon = ":/icons/connect_0"; break;
 298     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 299     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 300     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 301     default: icon = ":/icons/connect_4"; break;
 302     }
 303     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(16,16));
 304     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to Bitcoin network", "", count));
 305 }
 306
 307 void BitcoinGUI::setNumBlocks(int count)
 308 {
 309     int total = clientModel->getTotalBlocksEstimate();
 310     QString tooltip;
 311
 312     if(count < total)
 313     {
 314         progressBarLabel->setVisible(true);
 315         progressBar->setVisible(true);
 316         progressBar->setMaximum(total);
 317         progressBar->setValue(count);
 318         tooltip = tr("Downloaded %1 of %2 blocks of transaction history.").arg(count).arg(total);
 319     }
 320     else
 321     {
 322         progressBarLabel->setVisible(false);
 323         progressBar->setVisible(false);
 324         tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
 325     }
 326
 327     QDateTime now = QDateTime::currentDateTime();
 328     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 329     int secs = lastBlockDate.secsTo(now);
 330     QString text;
 331
 332     // Represent time from last generated block in human readable text
 333     if(secs < 60)
 334     {
 335         text = tr("%n second(s) ago","",secs);
 336     }
 337     else if(secs < 60*60)
 338     {
 339         text = tr("%n minute(s) ago","",secs/60);
 340     }
 341     else if(secs < 24*60*60)
 342     {
 343         text = tr("%n hour(s) ago","",secs/(60*60));
 344     }
 345     else
 346     {
 347         text = tr("%n day(s) ago","",secs/(60*60*24));
 348     }
 349
 350     // In the label we want to be less specific
 351     bool spinning = true;
 352     if(secs < 30*60)
 353     {
 354         tooltip = tr("Up to date") + QString("\n") + tooltip;
 355         spinning = false;
 356     }
 357     else
 358     {
 359         tooltip = tr("Catching up...") + QString("\n") + tooltip;
 360     }
 361
 362     tooltip += QString("\n");
 363     tooltip += tr("Last received block was generated %1.").arg(text);
 364
 365     if(spinning)
 366     {
 367         labelBlocksIcon->setMovie(syncIconMovie);
 368         syncIconMovie->start();
 369     }
 370     else
 371     {
 372         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(16,16));
 373     }
 374
 375     labelBlocksIcon->setToolTip(tooltip);
 376     progressBarLabel->setToolTip(tooltip);
 377     progressBar->setToolTip(tooltip);
 378 }
 379
 380 void BitcoinGUI::error(const QString &title, const QString &message)
 381 {
 382     // Report errors from network/worker thread
 383     if(trayIcon->supportsMessages())
 384     {
 385         // Show as "balloon" message if possible
 386         trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
 387     }
 388     else
 389     {
 390         // Fall back to old fashioned popup dialog if not
 391         QMessageBox::critical(this, title,
 392             message,
 393             QMessageBox::Ok, QMessageBox::Ok);
 394     }
 395 }
 396
 397 void BitcoinGUI::changeEvent(QEvent *e)
 398 {
 399     if (e->type() == QEvent::WindowStateChange)
 400     {
 401         if(clientModel->getOptionsModel()->getMinimizeToTray())
 402         {
 403             if (isMinimized())
 404             {
 405                 hide();
 406                 e->ignore();
 407             }
 408             else
 409             {
 410                 e->accept();
 411             }
 412         }
 413     }
 414     QMainWindow::changeEvent(e);
 415 }
 416
 417 void BitcoinGUI::closeEvent(QCloseEvent *event)
 418 {
 419     if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 420        !clientModel->getOptionsModel()->getMinimizeOnClose())
 421     {
 422         qApp->quit();
 423     }
 424     QMainWindow::closeEvent(event);
 425 }
 426
 427 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 428 {
 429     QString strMessage =
 430         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 431           "which goes to the nodes that process your transaction and helps to support the network.  "
 432           "Do you want to pay the fee?").arg(
 433                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 434     QMessageBox::StandardButton retval = QMessageBox::question(
 435           this, tr("Sending..."), strMessage,
 436           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 437     *payFee = (retval == QMessageBox::Yes);
 438 }
 439
 440 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 441 {
 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 incoming 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