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
  40 #include <QDebug>
  41
  42 #include <iostream>
  43
  44 BitcoinGUI::BitcoinGUI(QWidget *parent):
  45     QMainWindow(parent),
  46     clientModel(0),
  47     walletModel(0),
  48     trayIcon(0)
  49 {
  50     resize(850, 550);
  51     setWindowTitle(tr("Bitcoin Wallet"));
  52     setWindowIcon(QIcon(":icons/bitcoin"));
  53
  54     createActions();
  55
  56     // Menus
  57     QMenu *file = menuBar()->addMenu("&File");
  58     file->addAction(optionsAction);
  59     file->addSeparator();
  60     file->addAction(quitAction);
  61
  62     QMenu *help = menuBar()->addMenu("&Help");
  63     help->addAction(aboutAction);
  64
  65     // Toolbar
  66     QToolBar *toolbar = addToolBar("Main toolbar");
  67     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  68     toolbar->addAction(overviewAction);
  69     toolbar->addAction(sendCoinsAction);
  70     toolbar->addAction(receiveCoinsAction);
  71     toolbar->addAction(historyAction);
  72     toolbar->addAction(addressBookAction);
  73
  74     QToolBar *toolbar2 = addToolBar("Transactions toolbar");
  75     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  76     toolbar2->addAction(exportAction);
  77
  78     // Overview page
  79     overviewPage = new OverviewPage();
  80     QVBoxLayout *vbox = new QVBoxLayout();
  81
  82     transactionView = new TransactionView(this);
  83     connect(transactionView, SIGNAL(doubleClicked(const QModelIndex&)), transactionView, SLOT(showDetails()));
  84     vbox->addWidget(transactionView);
  85
  86     transactionsPage = new QWidget(this);
  87     transactionsPage->setLayout(vbox);
  88
  89     addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
  90
  91     receiveCoinsPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab);
  92
  93     sendCoinsPage = new SendCoinsDialog(this);
  94
  95     centralWidget = new QStackedWidget(this);
  96     centralWidget->addWidget(overviewPage);
  97     centralWidget->addWidget(transactionsPage);
  98     centralWidget->addWidget(addressBookPage);
  99     centralWidget->addWidget(receiveCoinsPage);
 100     centralWidget->addWidget(sendCoinsPage);
 101     setCentralWidget(centralWidget);
 102
 103     // Create status bar
 104     statusBar();
 105
 106     labelConnections = new QLabel();
 107     labelConnections->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 108     labelConnections->setMinimumWidth(150);
 109     labelConnections->setMaximumWidth(150);
 110     labelConnections->setToolTip(tr("Number of connections to other clients"));
 111
 112     labelBlocks = new QLabel();
 113     labelBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 114     labelBlocks->setMinimumWidth(150);
 115     labelBlocks->setMaximumWidth(150);
 116     labelBlocks->setToolTip(tr("Number of blocks in the block chain"));
 117
 118     // Progress bar for blocks download
 119     progressBarLabel = new QLabel(tr("Synchronizing with network..."));
 120     progressBarLabel->setVisible(false);
 121     progressBar = new QProgressBar();
 122     progressBar->setToolTip(tr("Block chain synchronization in progress"));
 123     progressBar->setVisible(false);
 124
 125     statusBar()->addWidget(progressBarLabel);
 126     statusBar()->addWidget(progressBar);
 127     statusBar()->addPermanentWidget(labelConnections);
 128     statusBar()->addPermanentWidget(labelBlocks);
 129
 130     createTrayIcon();
 131
 132     gotoOverviewPage();
 133 }
 134
 135 void BitcoinGUI::createActions()
 136 {
 137     QActionGroup *tabGroup = new QActionGroup(this);
 138
 139     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 140     overviewAction->setCheckable(true);
 141     tabGroup->addAction(overviewAction);
 142
 143     historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
 144     historyAction->setCheckable(true);
 145     tabGroup->addAction(historyAction);
 146
 147     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 148     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 149     addressBookAction->setCheckable(true);
 150     tabGroup->addAction(addressBookAction);
 151
 152     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 153     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 154     receiveCoinsAction->setCheckable(true);
 155     tabGroup->addAction(receiveCoinsAction);
 156
 157     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 158     sendCoinsAction->setToolTip(tr("Send coins to a bitcoin address"));
 159     sendCoinsAction->setCheckable(true);
 160     tabGroup->addAction(sendCoinsAction);
 161
 162     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 163     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 164     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 165     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 166     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 167
 168     quitAction = new QAction(QIcon(":/icons/quit"), tr("&Exit"), this);
 169     quitAction->setToolTip(tr("Quit application"));
 170     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About"), this);
 171     aboutAction->setToolTip(tr("Show information about Bitcoin"));
 172     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 173     optionsAction->setToolTip(tr("Modify configuration options for bitcoin"));
 174     openBitcoinAction = new QAction(QIcon(":/icons/bitcoin"), tr("Open &Bitcoin"), this);
 175     openBitcoinAction->setToolTip(tr("Show the Bitcoin window"));
 176     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
 177     exportAction->setToolTip(tr("Export data in current view to a file"));
 178
 179     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
 180     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 181     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 182     connect(openBitcoinAction, SIGNAL(triggered()), this, SLOT(show()));
 183 }
 184
 185 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 186 {
 187     this->clientModel = clientModel;
 188
 189     if(clientModel->isTestNet())
 190     {
 191         QString title_testnet = windowTitle() + QString(" ") + tr("[testnet]");
 192         setWindowTitle(title_testnet);
 193         setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 194         if(trayIcon)
 195         {
 196             trayIcon->setToolTip(title_testnet);
 197             trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 198         }
 199     }
 200
 201     // Keep up to date with client
 202     setNumConnections(clientModel->getNumConnections());
 203     connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 204
 205     setNumBlocks(clientModel->getNumBlocks());
 206     connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 207
 208     // Report errors from network/worker thread
 209     connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 210 }
 211
 212 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 213 {
 214     this->walletModel = walletModel;
 215
 216     // Report errors from wallet thread
 217     connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 218
 219     // Put transaction list in tabs
 220     transactionView->setModel(walletModel);
 221
 222     overviewPage->setModel(walletModel);
 223     addressBookPage->setModel(walletModel->getAddressTableModel());
 224     receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 225     sendCoinsPage->setModel(walletModel);
 226
 227     // Balloon popup for new transaction
 228     connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(const QModelIndex &, int, int)),
 229             this, SLOT(incomingTransaction(const QModelIndex &, int, int)));
 230 }
 231
 232 void BitcoinGUI::createTrayIcon()
 233 {
 234     QMenu *trayIconMenu = new QMenu(this);
 235     trayIconMenu->addAction(openBitcoinAction);
 236     trayIconMenu->addAction(sendCoinsAction);
 237     trayIconMenu->addAction(optionsAction);
 238     trayIconMenu->addSeparator();
 239     trayIconMenu->addAction(quitAction);
 240
 241     trayIcon = new QSystemTrayIcon(this);
 242     trayIcon->setContextMenu(trayIconMenu);
 243     trayIcon->setToolTip("Bitcoin client");
 244     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 245     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 246             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 247     trayIcon->show();
 248 }
 249
 250 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 251 {
 252     if(reason == QSystemTrayIcon::DoubleClick)
 253     {
 254         // Doubleclick on system tray icon triggers "open bitcoin"
 255         openBitcoinAction->trigger();
 256     }
 257 }
 258
 259 void BitcoinGUI::optionsClicked()
 260 {
 261     OptionsDialog dlg;
 262     dlg.setModel(clientModel->getOptionsModel());
 263     dlg.exec();
 264 }
 265
 266 void BitcoinGUI::aboutClicked()
 267 {
 268     AboutDialog dlg;
 269     dlg.setModel(clientModel);
 270     dlg.exec();
 271 }
 272
 273 void BitcoinGUI::setNumConnections(int count)
 274 {
 275     QString icon;
 276     switch(count)
 277     {
 278     case 0: icon = ":/icons/connect_0"; break;
 279     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 280     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 281     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 282     default: icon = ":/icons/connect_4"; break;
 283     }
 284     labelConnections->setTextFormat(Qt::RichText);
 285     labelConnections->setText("<img src=\""+icon+"\"> " + tr("%n connection(s)", "", count));
 286 }
 287
 288 void BitcoinGUI::setNumBlocks(int count)
 289 {
 290     int total = clientModel->getTotalBlocksEstimate();
 291     if(count < total)
 292     {
 293         progressBarLabel->setVisible(true);
 294         progressBar->setVisible(true);
 295         progressBar->setMaximum(total);
 296         progressBar->setValue(count);
 297     }
 298     else
 299     {
 300         progressBarLabel->setVisible(false);
 301         progressBar->setVisible(false);
 302     }
 303
 304     QDateTime now = QDateTime::currentDateTime();
 305     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 306     int secs = lastBlockDate.secsTo(now);
 307     QString text;
 308     QString icon = ":/icons/notsynced";
 309
 310     // "Up to date" icon, and outdated icon
 311     if(secs < 30*60)
 312     {
 313         text = "Up to date";
 314         icon = ":/icons/synced";
 315     }
 316     else if(secs < 60*60)
 317     {
 318         text = tr("%n minute(s) ago","",secs/60);
 319     }
 320     else if(secs < 24*60*60)
 321     {
 322         text = tr("%n hour(s) ago","",secs/(60*60));
 323     }
 324     else
 325     {
 326         text = tr("%n day(s) ago","",secs/(60*60*24));
 327     }
 328
 329     labelBlocks->setText("<img src=\""+icon+"\"> " + text);
 330     labelBlocks->setToolTip(tr("Downloaded %n block(s) of transaction history. Last block was generated %1.", "", count)
 331                             .arg(QLocale::system().toString(lastBlockDate)));
 332 }
 333
 334 void BitcoinGUI::error(const QString &title, const QString &message)
 335 {
 336     // Report errors from network/worker thread
 337     if(trayIcon->supportsMessages())
 338     {
 339         // Show as "balloon" message if possible
 340         trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
 341     }
 342     else
 343     {
 344         // Fall back to old fashioned popup dialog if not
 345         QMessageBox::critical(this, title,
 346             message,
 347             QMessageBox::Ok, QMessageBox::Ok);
 348     }
 349 }
 350
 351 void BitcoinGUI::changeEvent(QEvent *e)
 352 {
 353     if (e->type() == QEvent::WindowStateChange)
 354     {
 355         if(clientModel->getOptionsModel()->getMinimizeToTray())
 356         {
 357             if (isMinimized())
 358             {
 359                 hide();
 360                 e->ignore();
 361             }
 362             else
 363             {
 364                 e->accept();
 365             }
 366         }
 367     }
 368     QMainWindow::changeEvent(e);
 369 }
 370
 371 void BitcoinGUI::closeEvent(QCloseEvent *event)
 372 {
 373     if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 374        !clientModel->getOptionsModel()->getMinimizeOnClose())
 375     {
 376         qApp->quit();
 377     }
 378     QMainWindow::closeEvent(event);
 379 }
 380
 381 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 382 {
 383     QString strMessage =
 384         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 385           "which goes to the nodes that process your transaction and helps to support the network.  "
 386           "Do you want to pay the fee?").arg(GUIUtil::formatMoney(nFeeRequired));
 387     QMessageBox::StandardButton retval = QMessageBox::question(
 388           this, tr("Sending..."), strMessage,
 389           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 390     *payFee = (retval == QMessageBox::Yes);
 391 }
 392
 393 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 394 {
 395     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 396     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 397                     .data(Qt::EditRole).toULongLong();
 398     if(!clientModel->inInitialBlockDownload())
 399     {
 400         // On incoming transaction, make an info balloon
 401         // Unless the initial block download is in progress, to prevent balloon-spam
 402         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 403                         .data().toString();
 404         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 405                         .data().toString();
 406         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 407                         .data().toString();
 408
 409         trayIcon->showMessage((amount)<0 ? tr("Sent transaction") :
 410                                            tr("Incoming transaction"),
 411                               tr("Date: ") + date + "\n" +
 412                               tr("Amount: ") + GUIUtil::formatMoney(amount, true) + "\n" +
 413                               tr("Type: ") + type + "\n" +
 414                               tr("Address: ") + address + "\n",
 415                               QSystemTrayIcon::Information);
 416     }
 417 }
 418
 419 void BitcoinGUI::gotoOverviewPage()
 420 {
 421     overviewAction->setChecked(true);
 422     centralWidget->setCurrentWidget(overviewPage);
 423
 424     exportAction->setEnabled(false);
 425     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 426 }
 427
 428 void BitcoinGUI::gotoHistoryPage()
 429 {
 430     historyAction->setChecked(true);
 431     centralWidget->setCurrentWidget(transactionsPage);
 432
 433     exportAction->setEnabled(true);
 434     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 435     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 436 }
 437
 438 void BitcoinGUI::gotoAddressBookPage()
 439 {
 440     addressBookAction->setChecked(true);
 441     centralWidget->setCurrentWidget(addressBookPage);
 442
 443     exportAction->setEnabled(true);
 444     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 445     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 446 }
 447
 448 void BitcoinGUI::gotoReceiveCoinsPage()
 449 {
 450     receiveCoinsAction->setChecked(true);
 451     centralWidget->setCurrentWidget(receiveCoinsPage);
 452
 453     exportAction->setEnabled(true);
 454     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 455     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 456 }
 457
 458 void BitcoinGUI::gotoSendCoinsPage()
 459 {
 460     sendCoinsAction->setChecked(true);
 461     sendCoinsPage->clear();
 462     centralWidget->setCurrentWidget(sendCoinsPage);
 463
 464     exportAction->setEnabled(false);
 465     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 466 }
 467