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(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     // Clicking on a transaction simply sends you to transaction history page
 158     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), this, SLOT(gotoHistoryPage()));
 159
 160     gotoOverviewPage();
 161 }
 162
 163 void BitcoinGUI::createActions()
 164 {
 165     QActionGroup *tabGroup = new QActionGroup(this);
 166
 167     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 168     overviewAction->setToolTip(tr("Show general overview of wallet"));
 169     overviewAction->setCheckable(true);
 170     tabGroup->addAction(overviewAction);
 171
 172     historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
 173     historyAction->setToolTip(tr("Browse transaction history"));
 174     historyAction->setCheckable(true);
 175     tabGroup->addAction(historyAction);
 176
 177     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 178     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 179     addressBookAction->setCheckable(true);
 180     tabGroup->addAction(addressBookAction);
 181
 182     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 183     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 184     receiveCoinsAction->setCheckable(true);
 185     tabGroup->addAction(receiveCoinsAction);
 186
 187     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 188     sendCoinsAction->setToolTip(tr("Send coins to a bitcoin address"));
 189     sendCoinsAction->setCheckable(true);
 190     tabGroup->addAction(sendCoinsAction);
 191
 192     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 193     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 194     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 195     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 196     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 197
 198     quitAction = new QAction(QIcon(":/icons/quit"), tr("&Exit"), this);
 199     quitAction->setToolTip(tr("Quit application"));
 200     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About"), this);
 201     aboutAction->setToolTip(tr("Show information about Bitcoin"));
 202     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 203     optionsAction->setToolTip(tr("Modify configuration options for bitcoin"));
 204     openBitcoinAction = new QAction(QIcon(":/icons/bitcoin"), tr("Open &Bitcoin"), this);
 205     openBitcoinAction->setToolTip(tr("Show the Bitcoin window"));
 206     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
 207     exportAction->setToolTip(tr("Export the current view to a file"));
 208
 209     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
 210     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 211     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 212     connect(openBitcoinAction, SIGNAL(triggered()), this, SLOT(show()));
 213 }
 214
 215 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 216 {
 217     this->clientModel = clientModel;
 218
 219     if(clientModel->isTestNet())
 220     {
 221         QString title_testnet = windowTitle() + QString(" ") + tr("[testnet]");
 222         setWindowTitle(title_testnet);
 223         setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 224         if(trayIcon)
 225         {
 226             trayIcon->setToolTip(title_testnet);
 227             trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 228         }
 229     }
 230
 231     // Keep up to date with client
 232     setNumConnections(clientModel->getNumConnections());
 233     connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 234
 235     setNumBlocks(clientModel->getNumBlocks());
 236     connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 237
 238     // Report errors from network/worker thread
 239     connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 240 }
 241
 242 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 243 {
 244     this->walletModel = walletModel;
 245
 246     // Report errors from wallet thread
 247     connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 248
 249     // Put transaction list in tabs
 250     transactionView->setModel(walletModel);
 251
 252     overviewPage->setModel(walletModel);
 253     addressBookPage->setModel(walletModel->getAddressTableModel());
 254     receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 255     sendCoinsPage->setModel(walletModel);
 256
 257     // Balloon popup for new transaction
 258     connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 259             this, SLOT(incomingTransaction(QModelIndex,int,int)));
 260 }
 261
 262 void BitcoinGUI::createTrayIcon()
 263 {
 264     QMenu *trayIconMenu = new QMenu(this);
 265     trayIconMenu->addAction(openBitcoinAction);
 266     trayIconMenu->addAction(sendCoinsAction);
 267     trayIconMenu->addAction(optionsAction);
 268     trayIconMenu->addSeparator();
 269     trayIconMenu->addAction(quitAction);
 270
 271     trayIcon = new QSystemTrayIcon(this);
 272     trayIcon->setContextMenu(trayIconMenu);
 273     trayIcon->setToolTip("Bitcoin client");
 274     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 275     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 276             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 277     trayIcon->show();
 278 }
 279
 280 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 281 {
 282     if(reason == QSystemTrayIcon::DoubleClick)
 283     {
 284         // Doubleclick on system tray icon triggers "open bitcoin"
 285         openBitcoinAction->trigger();
 286     }
 287 }
 288
 289 void BitcoinGUI::optionsClicked()
 290 {
 291     OptionsDialog dlg;
 292     dlg.setModel(clientModel->getOptionsModel());
 293     dlg.exec();
 294 }
 295
 296 void BitcoinGUI::aboutClicked()
 297 {
 298     AboutDialog dlg;
 299     dlg.setModel(clientModel);
 300     dlg.exec();
 301 }
 302
 303 void BitcoinGUI::setNumConnections(int count)
 304 {
 305     QString icon;
 306     switch(count)
 307     {
 308     case 0: icon = ":/icons/connect_0"; break;
 309     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 310     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 311     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 312     default: icon = ":/icons/connect_4"; break;
 313     }
 314     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(16,16));
 315     labelConnections->setText(tr("%n connection(s)", "", count));
 316 }
 317
 318 void BitcoinGUI::setNumBlocks(int count)
 319 {
 320     int total = clientModel->getTotalBlocksEstimate();
 321     QString tooltip;
 322
 323     if(count < total)
 324     {
 325         progressBarLabel->setVisible(true);
 326         progressBar->setVisible(true);
 327         progressBar->setMaximum(total);
 328         progressBar->setValue(count);
 329         tooltip = tr("Downloaded %1 of %2 blocks of transaction history.").arg(count).arg(total);
 330     }
 331     else
 332     {
 333         progressBarLabel->setVisible(false);
 334         progressBar->setVisible(false);
 335         tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
 336     }
 337
 338     QDateTime now = QDateTime::currentDateTime();
 339     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 340     int secs = lastBlockDate.secsTo(now);
 341     QString text;
 342
 343     // Represent time from last generated block in human readable text
 344     if(secs < 60)
 345     {
 346         text = tr("%n second(s) ago","",secs);
 347     }
 348     else if(secs < 60*60)
 349     {
 350         text = tr("%n minute(s) ago","",secs/60);
 351     }
 352     else if(secs < 24*60*60)
 353     {
 354         text = tr("%n hour(s) ago","",secs/(60*60));
 355     }
 356     else
 357     {
 358         text = tr("%n day(s) ago","",secs/(60*60*24));
 359     }
 360
 361     // In the label we want to be less specific
 362     QString labelText = text;
 363     bool spinning = true;
 364     if(secs < 30*60)
 365     {
 366         labelText = "Up to date";
 367         spinning = false;
 368     }
 369
 370     tooltip += QString("\n");
 371     tooltip += tr("Last received block was generated %1.").arg(text);
 372
 373     if(spinning)
 374     {
 375         labelBlocksIcon->setMovie(syncIconMovie);
 376         syncIconMovie->start();
 377     }
 378     else
 379     {
 380         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(16,16));
 381     }
 382     labelBlocks->setText(labelText);
 383
 384     labelBlocksIcon->setToolTip(tooltip);
 385     labelBlocks->setToolTip(tooltip);
 386     progressBarLabel->setToolTip(tooltip);
 387     progressBar->setToolTip(tooltip);
 388 }
 389
 390 void BitcoinGUI::error(const QString &title, const QString &message)
 391 {
 392     // Report errors from network/worker thread
 393     if(trayIcon->supportsMessages())
 394     {
 395         // Show as "balloon" message if possible
 396         trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
 397     }
 398     else
 399     {
 400         // Fall back to old fashioned popup dialog if not
 401         QMessageBox::critical(this, title,
 402             message,
 403             QMessageBox::Ok, QMessageBox::Ok);
 404     }
 405 }
 406
 407 void BitcoinGUI::changeEvent(QEvent *e)
 408 {
 409     if (e->type() == QEvent::WindowStateChange)
 410     {
 411         if(clientModel->getOptionsModel()->getMinimizeToTray())
 412         {
 413             if (isMinimized())
 414             {
 415                 hide();
 416                 e->ignore();
 417             }
 418             else
 419             {
 420                 e->accept();
 421             }
 422         }
 423     }
 424     QMainWindow::changeEvent(e);
 425 }
 426
 427 void BitcoinGUI::closeEvent(QCloseEvent *event)
 428 {
 429     if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 430        !clientModel->getOptionsModel()->getMinimizeOnClose())
 431     {
 432         qApp->quit();
 433     }
 434     QMainWindow::closeEvent(event);
 435 }
 436
 437 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 438 {
 439     QString strMessage =
 440         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 441           "which goes to the nodes that process your transaction and helps to support the network.  "
 442           "Do you want to pay the fee?").arg(
 443                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 444     QMessageBox::StandardButton retval = QMessageBox::question(
 445           this, tr("Sending..."), strMessage,
 446           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 447     *payFee = (retval == QMessageBox::Yes);
 448 }
 449
 450 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 451 {
 452     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 453     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 454                     .data(Qt::EditRole).toULongLong();
 455     if(!clientModel->inInitialBlockDownload())
 456     {
 457         // On incoming transaction, make an info balloon
 458         // Unless the initial block download is in progress, to prevent balloon-spam
 459         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 460                         .data().toString();
 461         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 462                         .data().toString();
 463         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 464                         .data().toString();
 465
 466         trayIcon->showMessage((amount)<0 ? tr("Sent transaction") :
 467                                            tr("Incoming transaction"),
 468                               tr("Date: ") + date + "\n" +
 469                               tr("Amount: ") + BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true) + "\n" +
 470                               tr("Type: ") + type + "\n" +
 471                               tr("Address: ") + address + "\n",
 472                               QSystemTrayIcon::Information);
 473     }
 474 }
 475
 476 void BitcoinGUI::gotoOverviewPage()
 477 {
 478     overviewAction->setChecked(true);
 479     centralWidget->setCurrentWidget(overviewPage);
 480
 481     exportAction->setEnabled(false);
 482     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 483 }
 484
 485 void BitcoinGUI::gotoHistoryPage()
 486 {
 487     historyAction->setChecked(true);
 488     centralWidget->setCurrentWidget(transactionsPage);
 489
 490     exportAction->setEnabled(true);
 491     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 492     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 493 }
 494
 495 void BitcoinGUI::gotoAddressBookPage()
 496 {
 497     addressBookAction->setChecked(true);
 498     centralWidget->setCurrentWidget(addressBookPage);
 499
 500     exportAction->setEnabled(true);
 501     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 502     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 503 }
 504
 505 void BitcoinGUI::gotoReceiveCoinsPage()
 506 {
 507     receiveCoinsAction->setChecked(true);
 508     centralWidget->setCurrentWidget(receiveCoinsPage);
 509
 510     exportAction->setEnabled(true);
 511     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 512     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 513 }
 514
 515 void BitcoinGUI::gotoSendCoinsPage()
 516 {
 517     sendCoinsAction->setChecked(true);
 518     sendCoinsPage->clear();
 519     centralWidget->setCurrentWidget(sendCoinsPage);
 520
 521     exportAction->setEnabled(false);
 522     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 523 }
 524