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