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