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 <QDebug>
  45
  46 #include <iostream>
  47
  48 BitcoinGUI::BitcoinGUI(QWidget *parent):
  49     QMainWindow(parent),
  50     clientModel(0),
  51     walletModel(0),
  52     trayIcon(0)
  53 {
  54     resize(850, 550);
  55     setWindowTitle(tr("Bitcoin Wallet"));
  56     setWindowIcon(QIcon(":icons/bitcoin"));
  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     // Toolbar
  74     QToolBar *toolbar = addToolBar("Main 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("Transactions toolbar");
  83     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  84     toolbar2->addAction(exportAction);
  85
  86     // Overview page
  87     overviewPage = new OverviewPage();
  88     QVBoxLayout *vbox = new QVBoxLayout();
  89
  90     transactionView = new TransactionView(this);
  91     connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
  92     vbox->addWidget(transactionView);
  93
  94     transactionsPage = new QWidget(this);
  95     transactionsPage->setLayout(vbox);
  96
  97     addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
  98
  99     receiveCoinsPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab);
 100
 101     sendCoinsPage = new SendCoinsDialog(this);
 102
 103     centralWidget = new QStackedWidget(this);
 104     centralWidget->addWidget(overviewPage);
 105     centralWidget->addWidget(transactionsPage);
 106     centralWidget->addWidget(addressBookPage);
 107     centralWidget->addWidget(receiveCoinsPage);
 108     centralWidget->addWidget(sendCoinsPage);
 109     setCentralWidget(centralWidget);
 110
 111     // Create status bar
 112     statusBar();
 113
 114     // Status bar "Blocks" notification
 115     QFrame *frameBlocks = new QFrame();
 116     //frameBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 117     frameBlocks->setContentsMargins(0,0,0,0);
 118     frameBlocks->setMinimumWidth(56);
 119     frameBlocks->setMaximumWidth(56);
 120     QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
 121     frameBlocksLayout->setContentsMargins(3,0,3,0);
 122     frameBlocksLayout->setSpacing(3);
 123     labelConnectionsIcon = new QLabel();
 124     labelBlocksIcon = new QLabel();
 125     frameBlocksLayout->addStretch();
 126     frameBlocksLayout->addWidget(labelConnectionsIcon);
 127     frameBlocksLayout->addStretch();
 128     frameBlocksLayout->addWidget(labelBlocksIcon);
 129     frameBlocksLayout->addStretch();
 130
 131     // Progress bar for blocks download
 132     progressBarLabel = new QLabel(tr("Synchronizing with network..."));
 133     progressBarLabel->setVisible(false);
 134     progressBar = new QProgressBar();
 135     progressBar->setToolTip(tr("Block chain synchronization in progress"));
 136     progressBar->setVisible(false);
 137
 138     statusBar()->addWidget(progressBarLabel);
 139     statusBar()->addWidget(progressBar);
 140     statusBar()->addPermanentWidget(frameBlocks);
 141
 142     createTrayIcon();
 143
 144     syncIconMovie = new QMovie(":/movies/update_spinner", "mng", this);
 145
 146     // Clicking on a transaction simply sends you to transaction history page
 147     connect(overviewPage, SIGNAL(transactionClicked(QModelIndex)), this, SLOT(gotoHistoryPage()));
 148
 149     setAcceptDrops(true);
 150
 151     gotoOverviewPage();
 152 }
 153
 154 void BitcoinGUI::createActions()
 155 {
 156     QActionGroup *tabGroup = new QActionGroup(this);
 157
 158     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 159     overviewAction->setToolTip(tr("Show general overview of wallet"));
 160     overviewAction->setCheckable(true);
 161     tabGroup->addAction(overviewAction);
 162
 163     historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
 164     historyAction->setToolTip(tr("Browse transaction history"));
 165     historyAction->setCheckable(true);
 166     tabGroup->addAction(historyAction);
 167
 168     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 169     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 170     addressBookAction->setCheckable(true);
 171     tabGroup->addAction(addressBookAction);
 172
 173     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 174     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 175     receiveCoinsAction->setCheckable(true);
 176     tabGroup->addAction(receiveCoinsAction);
 177
 178     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 179     sendCoinsAction->setToolTip(tr("Send coins to a bitcoin address"));
 180     sendCoinsAction->setCheckable(true);
 181     tabGroup->addAction(sendCoinsAction);
 182
 183     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 184     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 185     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 186     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 187     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 188
 189     quitAction = new QAction(QIcon(":/icons/quit"), tr("&Exit"), this);
 190     quitAction->setToolTip(tr("Quit application"));
 191     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About"), this);
 192     aboutAction->setToolTip(tr("Show information about Bitcoin"));
 193     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 194     optionsAction->setToolTip(tr("Modify configuration options for bitcoin"));
 195     openBitcoinAction = new QAction(QIcon(":/icons/bitcoin"), tr("Open &Bitcoin"), this);
 196     openBitcoinAction->setToolTip(tr("Show the Bitcoin window"));
 197     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
 198     exportAction->setToolTip(tr("Export the current view to a file"));
 199
 200     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
 201     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 202     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 203     connect(openBitcoinAction, SIGNAL(triggered()), this, SLOT(show()));
 204 }
 205
 206 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 207 {
 208     this->clientModel = clientModel;
 209
 210     if(clientModel->isTestNet())
 211     {
 212         QString title_testnet = windowTitle() + QString(" ") + tr("[testnet]");
 213         setWindowTitle(title_testnet);
 214         setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 215         if(trayIcon)
 216         {
 217             trayIcon->setToolTip(title_testnet);
 218             trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 219         }
 220     }
 221
 222     // Keep up to date with client
 223     setNumConnections(clientModel->getNumConnections());
 224     connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 225
 226     setNumBlocks(clientModel->getNumBlocks());
 227     connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 228
 229     // Report errors from network/worker thread
 230     connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 231 }
 232
 233 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 234 {
 235     this->walletModel = walletModel;
 236
 237     // Report errors from wallet thread
 238     connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 239
 240     // Put transaction list in tabs
 241     transactionView->setModel(walletModel);
 242
 243     overviewPage->setModel(walletModel);
 244     addressBookPage->setModel(walletModel->getAddressTableModel());
 245     receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 246     sendCoinsPage->setModel(walletModel);
 247
 248     // Balloon popup for new transaction
 249     connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(QModelIndex,int,int)),
 250             this, SLOT(incomingTransaction(QModelIndex,int,int)));
 251 }
 252
 253 void BitcoinGUI::createTrayIcon()
 254 {
 255     QMenu *trayIconMenu = new QMenu(this);
 256     trayIconMenu->addAction(openBitcoinAction);
 257     trayIconMenu->addAction(sendCoinsAction);
 258     trayIconMenu->addAction(optionsAction);
 259     trayIconMenu->addSeparator();
 260     trayIconMenu->addAction(quitAction);
 261
 262     trayIcon = new QSystemTrayIcon(this);
 263     trayIcon->setContextMenu(trayIconMenu);
 264     trayIcon->setToolTip("Bitcoin client");
 265     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 266     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 267             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 268     trayIcon->show();
 269 }
 270
 271 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 272 {
 273     if(reason == QSystemTrayIcon::DoubleClick)
 274     {
 275         // Doubleclick on system tray icon triggers "open bitcoin"
 276         openBitcoinAction->trigger();
 277     }
 278 }
 279
 280 void BitcoinGUI::optionsClicked()
 281 {
 282     OptionsDialog dlg;
 283     dlg.setModel(clientModel->getOptionsModel());
 284     dlg.exec();
 285 }
 286
 287 void BitcoinGUI::aboutClicked()
 288 {
 289     AboutDialog dlg;
 290     dlg.setModel(clientModel);
 291     dlg.exec();
 292 }
 293
 294 void BitcoinGUI::setNumConnections(int count)
 295 {
 296     QString icon;
 297     switch(count)
 298     {
 299     case 0: icon = ":/icons/connect_0"; break;
 300     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 301     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 302     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 303     default: icon = ":/icons/connect_4"; break;
 304     }
 305     labelConnectionsIcon->setPixmap(QIcon(icon).pixmap(16,16));
 306     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to Bitcoin network", "", count));
 307 }
 308
 309 void BitcoinGUI::setNumBlocks(int count)
 310 {
 311     int total = clientModel->getTotalBlocksEstimate();
 312     QString tooltip;
 313
 314     if(count < total)
 315     {
 316         progressBarLabel->setVisible(true);
 317         progressBar->setVisible(true);
 318         progressBar->setMaximum(total);
 319         progressBar->setValue(count);
 320         tooltip = tr("Downloaded %1 of %2 blocks of transaction history.").arg(count).arg(total);
 321     }
 322     else
 323     {
 324         progressBarLabel->setVisible(false);
 325         progressBar->setVisible(false);
 326         tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
 327     }
 328
 329     QDateTime now = QDateTime::currentDateTime();
 330     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 331     int secs = lastBlockDate.secsTo(now);
 332     QString text;
 333
 334     // Represent time from last generated block in human readable text
 335     if(secs < 60)
 336     {
 337         text = tr("%n second(s) ago","",secs);
 338     }
 339     else if(secs < 60*60)
 340     {
 341         text = tr("%n minute(s) ago","",secs/60);
 342     }
 343     else if(secs < 24*60*60)
 344     {
 345         text = tr("%n hour(s) ago","",secs/(60*60));
 346     }
 347     else
 348     {
 349         text = tr("%n day(s) ago","",secs/(60*60*24));
 350     }
 351
 352     // In the label we want to be less specific
 353     bool spinning = true;
 354     if(secs < 30*60)
 355     {
 356         tooltip = tr("Up to date") + QString("\n") + tooltip;
 357         spinning = false;
 358     }
 359     else
 360     {
 361         tooltip = tr("Catching up...") + QString("\n") + tooltip;
 362     }
 363
 364     tooltip += QString("\n");
 365     tooltip += tr("Last received block was generated %1.").arg(text);
 366
 367     if(spinning)
 368     {
 369         labelBlocksIcon->setMovie(syncIconMovie);
 370         syncIconMovie->start();
 371     }
 372     else
 373     {
 374         labelBlocksIcon->setPixmap(QIcon(":/icons/synced").pixmap(16,16));
 375     }
 376
 377     labelBlocksIcon->setToolTip(tooltip);
 378     progressBarLabel->setToolTip(tooltip);
 379     progressBar->setToolTip(tooltip);
 380 }
 381
 382 void BitcoinGUI::error(const QString &title, const QString &message)
 383 {
 384     // Report errors from network/worker thread
 385     if(trayIcon->supportsMessages())
 386     {
 387         // Show as "balloon" message if possible
 388         trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
 389     }
 390     else
 391     {
 392         // Fall back to old fashioned popup dialog if not
 393         QMessageBox::critical(this, title,
 394             message,
 395             QMessageBox::Ok, QMessageBox::Ok);
 396     }
 397 }
 398
 399 void BitcoinGUI::changeEvent(QEvent *e)
 400 {
 401     if (e->type() == QEvent::WindowStateChange)
 402     {
 403         if(clientModel->getOptionsModel()->getMinimizeToTray())
 404         {
 405             if (isMinimized())
 406             {
 407                 hide();
 408                 e->ignore();
 409             }
 410             else
 411             {
 412                 e->accept();
 413             }
 414         }
 415     }
 416     QMainWindow::changeEvent(e);
 417 }
 418
 419 void BitcoinGUI::closeEvent(QCloseEvent *event)
 420 {
 421     if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 422        !clientModel->getOptionsModel()->getMinimizeOnClose())
 423     {
 424         qApp->quit();
 425     }
 426     QMainWindow::closeEvent(event);
 427 }
 428
 429 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 430 {
 431     QString strMessage =
 432         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 433           "which goes to the nodes that process your transaction and helps to support the network.  "
 434           "Do you want to pay the fee?").arg(
 435                 BitcoinUnits::formatWithUnit(BitcoinUnits::BTC, nFeeRequired));
 436     QMessageBox::StandardButton retval = QMessageBox::question(
 437           this, tr("Sending..."), strMessage,
 438           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 439     *payFee = (retval == QMessageBox::Yes);
 440 }
 441
 442 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 443 {
 444     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 445     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 446                     .data(Qt::EditRole).toULongLong();
 447     if(!clientModel->inInitialBlockDownload())
 448     {
 449         // On incoming transaction, make an info balloon
 450         // Unless the initial block download is in progress, to prevent balloon-spam
 451         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 452                         .data().toString();
 453         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 454                         .data().toString();
 455         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 456                         .data().toString();
 457
 458         trayIcon->showMessage((amount)<0 ? tr("Sent transaction") :
 459                                            tr("Incoming transaction"),
 460                               tr("Date: ") + date + "\n" +
 461                               tr("Amount: ") + BitcoinUnits::formatWithUnit(walletModel->getOptionsModel()->getDisplayUnit(), amount, true) + "\n" +
 462                               tr("Type: ") + type + "\n" +
 463                               tr("Address: ") + address + "\n",
 464                               QSystemTrayIcon::Information);
 465     }
 466 }
 467
 468 void BitcoinGUI::gotoOverviewPage()
 469 {
 470     overviewAction->setChecked(true);
 471     centralWidget->setCurrentWidget(overviewPage);
 472
 473     exportAction->setEnabled(false);
 474     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 475 }
 476
 477 void BitcoinGUI::gotoHistoryPage()
 478 {
 479     historyAction->setChecked(true);
 480     centralWidget->setCurrentWidget(transactionsPage);
 481
 482     exportAction->setEnabled(true);
 483     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 484     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 485 }
 486
 487 void BitcoinGUI::gotoAddressBookPage()
 488 {
 489     addressBookAction->setChecked(true);
 490     centralWidget->setCurrentWidget(addressBookPage);
 491
 492     exportAction->setEnabled(true);
 493     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 494     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 495 }
 496
 497 void BitcoinGUI::gotoReceiveCoinsPage()
 498 {
 499     receiveCoinsAction->setChecked(true);
 500     centralWidget->setCurrentWidget(receiveCoinsPage);
 501
 502     exportAction->setEnabled(true);
 503     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 504     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 505 }
 506
 507 void BitcoinGUI::gotoSendCoinsPage()
 508 {
 509     sendCoinsAction->setChecked(true);
 510     if(centralWidget->currentWidget() != sendCoinsPage)
 511     {
 512         // Clear the current contents if we arrived from another tab
 513         sendCoinsPage->clear();
 514     }
 515     centralWidget->setCurrentWidget(sendCoinsPage);
 516
 517     exportAction->setEnabled(false);
 518     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 519 }
 520
 521 void BitcoinGUI::dragEnterEvent(QDragEnterEvent *event)
 522 {
 523     // Accept only URLs
 524     if(event->mimeData()->hasUrls())
 525         event->acceptProposedAction();
 526 }
 527
 528 void BitcoinGUI::dropEvent(QDropEvent *event)
 529 {
 530     if(event->mimeData()->hasUrls())
 531     {
 532         gotoSendCoinsPage();
 533         QList<QUrl> urls = event->mimeData()->urls();
 534         foreach(const QUrl &url, urls)
 535         {
 536             sendCoinsPage->handleURL(&url);
 537         }
 538     }
 539
 540     event->acceptProposedAction();
 541 }
 542