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     // Accept D&D of URIs
  56     setAcceptDrops(true);
  57
  58     createActions();
  59
  60     // Menus
  61     QMenu *file = menuBar()->addMenu("&File");
  62     file->addAction(sendCoinsAction);
  63     file->addAction(receiveCoinsAction);
  64     file->addSeparator();
  65     file->addAction(quitAction);
  66
  67     QMenu *settings = menuBar()->addMenu("&Settings");
  68     settings->addAction(optionsAction);
  69
  70     QMenu *help = menuBar()->addMenu("&Help");
  71     help->addAction(aboutAction);
  72
  73     // Toolbars
  74     QToolBar *toolbar = addToolBar(tr("Tabs toolbar"));
  75     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  76     toolbar->addAction(overviewAction);
  77     toolbar->addAction(sendCoinsAction);
  78     toolbar->addAction(receiveCoinsAction);
  79     toolbar->addAction(historyAction);
  80     toolbar->addAction(addressBookAction);
  81
  82     QToolBar *toolbar2 = addToolBar(tr("Actions toolbar"));
  83     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  84     toolbar2->addAction(exportAction);
  85
  86     // Create tabs
  87     overviewPage = new OverviewPage();
  88
  89     transactionsPage = new QWidget(this);
  90     QVBoxLayout *vbox = new QVBoxLayout();
  91     transactionView = new TransactionView(this);
  92     vbox->addWidget(transactionView);
  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 notification icons
 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 on the overview page simply sends you to transaction history page
 145     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), this, SLOT(gotoHistoryPage()));
 146
 147     // Doubleclicking on a transaction on the transaction history page shows details
 148     connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
 149
 150     gotoOverviewPage();
 151 }
 152
 153 void BitcoinGUI::createActions()
 154 {
 155     QActionGroup *tabGroup = new QActionGroup(this);
 156
 157     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 158     overviewAction->setToolTip(tr("Show general overview of wallet"));
 159     overviewAction->setCheckable(true);
 160     tabGroup->addAction(overviewAction);
 161
 162     historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
 163     historyAction->setToolTip(tr("Browse transaction history"));
 164     historyAction->setCheckable(true);
 165     tabGroup->addAction(historyAction);
 166
 167     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 168     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 169     addressBookAction->setCheckable(true);
 170     tabGroup->addAction(addressBookAction);
 171
 172     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 173     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 174     receiveCoinsAction->setCheckable(true);
 175     tabGroup->addAction(receiveCoinsAction);
 176
 177     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 178     sendCoinsAction->setToolTip(tr("Send coins to a bitcoin address"));
 179     sendCoinsAction->setCheckable(true);
 180     tabGroup->addAction(sendCoinsAction);
 181
 182     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 183     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 184     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 185     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 186     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 187
 188     quitAction = new QAction(QIcon(":/icons/quit"), tr("&Exit"), this);
 189     quitAction->setToolTip(tr("Quit application"));
 190     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About"), this);
 191     aboutAction->setToolTip(tr("Show information about Bitcoin"));
 192     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 193     optionsAction->setToolTip(tr("Modify configuration options for bitcoin"));
 194     openBitcoinAction = new QAction(QIcon(":/icons/bitcoin"), tr("Open &Bitcoin"), this);
 195     openBitcoinAction->setToolTip(tr("Show the Bitcoin window"));
 196     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
 197     exportAction->setToolTip(tr("Export the current view to a file"));
 198
 199     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
 200     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 201     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 202     connect(openBitcoinAction, SIGNAL(triggered()), this, SLOT(show()));
 203 }
 204
 205 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 206 {
 207     this->clientModel = clientModel;
 208
 209     if(clientModel->isTestNet())
 210     {
 211         QString title_testnet = windowTitle() + QString(" ") + tr("[testnet]");
 212         setWindowTitle(title_testnet);
 213         setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 214         if(trayIcon)
 215         {
 216             trayIcon->setToolTip(title_testnet);
 217             trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 218         }
 219     }
 220
 221     // Keep up to date with client
 222     setNumConnections(clientModel->getNumConnections());
 223     connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 224
 225     setNumBlocks(clientModel->getNumBlocks());
 226     connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 227
 228     // Report errors from network/worker thread
 229     connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 230 }
 231
 232 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 233 {
 234     this->walletModel = walletModel;
 235
 236     // Report errors from wallet thread
 237     connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 238
 239     // Put transaction list in tabs
 240     transactionView->setModel(walletModel);
 241
 242     overviewPage->setModel(walletModel);
 243     addressBookPage->setModel(walletModel->getAddressTableModel());
 244     receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 245     sendCoinsPage->setModel(walletModel);
 246
 247     // Balloon popup for new transaction
 248     connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 249             this, SLOT(incomingTransaction(QModelIndex,int,int)));
 250 }
 251
 252 void BitcoinGUI::createTrayIcon()
 253 {
 254     QMenu *trayIconMenu = new QMenu(this);
 255     trayIconMenu->addAction(openBitcoinAction);
 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::Trigger)
 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     // Set icon state: spinning if catching up, tick otherwise
 351     if(secs < 30*60)
 352     {
 353         tooltip = tr("Up to date") + QString("\n") + tooltip;
 354         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(16,16));
 355     }
 356     else
 357     {
 358         tooltip = tr("Catching up...") + QString("\n") + tooltip;
 359         labelBlocksIcon->setMovie(syncIconMovie);
 360         syncIconMovie->start();
 361     }
 362
 363     tooltip += QString("\n");
 364     tooltip += tr("Last received block was generated %1.").arg(text);
 365
 366     labelBlocksIcon->setToolTip(tooltip);
 367     progressBarLabel->setToolTip(tooltip);
 368     progressBar->setToolTip(tooltip);
 369 }
 370
 371 void BitcoinGUI::error(const QString &title, const QString &message)
 372 {
 373     // Report errors from network/worker thread
 374     if(trayIcon->supportsMessages())
 375     {
 376         // Show as "balloon" message if possible
 377         trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
 378     }
 379     else
 380     {
 381         // Fall back to old fashioned popup dialog if not
 382         QMessageBox::critical(this, title,
 383             message,
 384             QMessageBox::Ok, QMessageBox::Ok);
 385     }
 386 }
 387
 388 void BitcoinGUI::changeEvent(QEvent *e)
 389 {
 390     if (e->type() == QEvent::WindowStateChange)
 391     {
 392         if(clientModel->getOptionsModel()->getMinimizeToTray())
 393         {
 394             if (isMinimized())
 395             {
 396                 hide();
 397                 e->ignore();
 398             }
 399             else
 400             {
 401                 e->accept();
 402             }
 403         }
 404     }
 405     QMainWindow::changeEvent(e);
 406 }
 407
 408 void BitcoinGUI::closeEvent(QCloseEvent *event)
 409 {
 410     if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 411        !clientModel->getOptionsModel()->getMinimizeOnClose())
 412     {
 413         qApp->quit();
 414     }
 415     QMainWindow::closeEvent(event);
 416 }
 417
 418 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 419 {
 420     QString strMessage =
 421         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 422           "which goes to the nodes that process your transaction and helps to support the network.  "
 423           "Do you want to pay the fee?").arg(
 424                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 425     QMessageBox::StandardButton retval = QMessageBox::question(
 426           this, tr("Sending..."), strMessage,
 427           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 428     *payFee = (retval == QMessageBox::Yes);
 429 }
 430
 431 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 432 {
 433     if(start == end)
 434         return;
 435     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 436     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 437                     .data(Qt::EditRole).toULongLong();
 438     if(!clientModel->inInitialBlockDownload())
 439     {
 440         // On new transaction, make an info balloon
 441         // Unless the initial block download is in progress, to prevent balloon-spam
 442         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 443                         .data().toString();
 444         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 445                         .data().toString();
 446         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 447                         .data().toString();
 448
 449         trayIcon->showMessage((amount)<0 ? tr("Sent transaction") :
 450                                            tr("Incoming transaction"),
 451                               tr("Date: ") + date + "\n" +
 452                               tr("Amount: ") + BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true) + "\n" +
 453                               tr("Type: ") + type + "\n" +
 454                               tr("Address: ") + address + "\n",
 455                               QSystemTrayIcon::Information);
 456     }
 457 }
 458
 459 void BitcoinGUI::gotoOverviewPage()
 460 {
 461     overviewAction->setChecked(true);
 462     centralWidget->setCurrentWidget(overviewPage);
 463
 464     exportAction->setEnabled(false);
 465     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 466 }
 467
 468 void BitcoinGUI::gotoHistoryPage()
 469 {
 470     historyAction->setChecked(true);
 471     centralWidget->setCurrentWidget(transactionsPage);
 472
 473     exportAction->setEnabled(true);
 474     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 475     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 476 }
 477
 478 void BitcoinGUI::gotoAddressBookPage()
 479 {
 480     addressBookAction->setChecked(true);
 481     centralWidget->setCurrentWidget(addressBookPage);
 482
 483     exportAction->setEnabled(true);
 484     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 485     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 486 }
 487
 488 void BitcoinGUI::gotoReceiveCoinsPage()
 489 {
 490     receiveCoinsAction->setChecked(true);
 491     centralWidget->setCurrentWidget(receiveCoinsPage);
 492
 493     exportAction->setEnabled(true);
 494     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 495     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 496 }
 497
 498 void BitcoinGUI::gotoSendCoinsPage()
 499 {
 500     sendCoinsAction->setChecked(true);
 501     if(centralWidget->currentWidget() != sendCoinsPage)
 502     {
 503         // Clear the current contents if we arrived from another tab
 504         sendCoinsPage->clear();
 505     }
 506     centralWidget->setCurrentWidget(sendCoinsPage);
 507
 508     exportAction->setEnabled(false);
 509     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 510 }
 511
 512 void BitcoinGUI::dragEnterEvent(QDragEnterEvent *event)
 513 {
 514     // Accept only URLs
 515     if(event->mimeData()->hasUrls())
 516         event->acceptProposedAction();
 517 }
 518
 519 void BitcoinGUI::dropEvent(QDropEvent *event)
 520 {
 521     if(event->mimeData()->hasUrls())
 522     {
 523         gotoSendCoinsPage();
 524         QList<QUrl> urls = event->mimeData()->urls();
 525         foreach(const QUrl &url, urls)
 526         {
 527             sendCoinsPage->handleURL(&url);
 528         }
 529     }
 530
 531     event->acceptProposedAction();
 532 }
 533