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