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 "addressbookdialog.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
  21 #include "headers.h"
  22
  23 #include <QApplication>
  24 #include <QMainWindow>
  25 #include <QMenuBar>
  26 #include <QMenu>
  27 #include <QIcon>
  28 #include <QTabWidget>
  29 #include <QVBoxLayout>
  30 #include <QWidget>
  31 #include <QToolBar>
  32 #include <QStatusBar>
  33 #include <QLabel>
  34 #include <QLineEdit>
  35 #include <QPushButton>
  36 #include <QLocale>
  37 #include <QClipboard>
  38 #include <QMessageBox>
  39 #include <QProgressBar>
  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"));
  53     setWindowIcon(QIcon(":icons/bitcoin"));
  54
  55     createActions();
  56
  57     // Menus
  58     QMenu *file = menuBar()->addMenu("&File");
  59     file->addAction(sendcoins);
  60     file->addSeparator();
  61     file->addAction(quit);
  62
  63     QMenu *settings = menuBar()->addMenu("&Settings");
  64     settings->addAction(receivingAddresses);
  65     settings->addAction(options);
  66
  67     QMenu *help = menuBar()->addMenu("&Help");
  68     help->addAction(about);
  69
  70     // Toolbar
  71     QToolBar *toolbar = addToolBar("Main toolbar");
  72     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  73     toolbar->addAction(sendcoins);
  74     toolbar->addAction(addressbook);
  75
  76     // Address: <address>: New... : Paste to clipboard
  77     QHBoxLayout *hbox_address = new QHBoxLayout();
  78     hbox_address->addWidget(new QLabel(tr("Your Bitcoin address:")));
  79     address = new QLineEdit();
  80     address->setReadOnly(true);
  81     address->setFont(GUIUtil::bitcoinAddressFont());
  82     address->setToolTip(tr("Your current default receiving address"));
  83     hbox_address->addWidget(address);
  84
  85     QPushButton *button_new = new QPushButton(tr("&New address..."));
  86     button_new->setToolTip(tr("Create new receiving address"));
  87     button_new->setIcon(QIcon(":/icons/add"));
  88     QPushButton *button_clipboard = new QPushButton(tr("&Copy to clipboard"));
  89     button_clipboard->setToolTip(tr("Copy current receiving address to the system clipboard"));
  90     button_clipboard->setIcon(QIcon(":/icons/editcopy"));
  91     hbox_address->addWidget(button_new);
  92     hbox_address->addWidget(button_clipboard);
  93
  94     // Balance: <balance>
  95     QHBoxLayout *hbox_balance = new QHBoxLayout();
  96     hbox_balance->addWidget(new QLabel(tr("Balance:")));
  97     hbox_balance->addSpacing(5);/* Add some spacing between the label and the text */
  98
  99     labelBalance = new QLabel();
 100     labelBalance->setFont(QFont("Monospace", -1, QFont::Bold));
 101     labelBalance->setToolTip(tr("Your current balance"));
 102     hbox_balance->addWidget(labelBalance);
 103     hbox_balance->addStretch(1);
 104
 105     QVBoxLayout *vbox = new QVBoxLayout();
 106     vbox->addLayout(hbox_address);
 107     vbox->addLayout(hbox_balance);
 108
 109     transactionView = new TransactionView(this);
 110     connect(transactionView, SIGNAL(doubleClicked(const QModelIndex&)), this, SLOT(transactionDetails(const QModelIndex&)));
 111     vbox->addWidget(transactionView);
 112
 113     QWidget *centralwidget = new QWidget(this);
 114     centralwidget->setLayout(vbox);
 115     setCentralWidget(centralwidget);
 116
 117     // Create status bar
 118     statusBar();
 119
 120     labelConnections = new QLabel();
 121     labelConnections->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 122     labelConnections->setMinimumWidth(150);
 123     labelConnections->setToolTip(tr("Number of connections to other clients"));
 124
 125     labelBlocks = new QLabel();
 126     labelBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 127     labelBlocks->setMinimumWidth(130);
 128     labelBlocks->setToolTip(tr("Number of blocks in the block chain"));
 129
 130     labelTransactions = new QLabel();
 131     labelTransactions->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 132     labelTransactions->setMinimumWidth(130);
 133     labelTransactions->setToolTip(tr("Number of transactions in your wallet"));
 134
 135     // Progress bar for blocks download
 136     progressBarLabel = new QLabel(tr("Synchronizing with network..."));
 137     progressBarLabel->setVisible(false);
 138     progressBar = new QProgressBar();
 139     progressBar->setToolTip(tr("Block chain synchronization in progress"));
 140     progressBar->setVisible(false);
 141
 142     statusBar()->addWidget(progressBarLabel);
 143     statusBar()->addWidget(progressBar);
 144     statusBar()->addPermanentWidget(labelConnections);
 145     statusBar()->addPermanentWidget(labelBlocks);
 146     statusBar()->addPermanentWidget(labelTransactions);
 147
 148     // Action bindings
 149     connect(button_new, SIGNAL(clicked()), this, SLOT(newAddressClicked()));
 150     connect(button_clipboard, SIGNAL(clicked()), this, SLOT(copyClipboardClicked()));
 151
 152     createTrayIcon();
 153 }
 154
 155 void BitcoinGUI::createActions()
 156 {
 157     quit = new QAction(QIcon(":/icons/quit"), tr("&Exit"), this);
 158     quit->setToolTip(tr("Quit application"));
 159     sendcoins = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 160     sendcoins->setToolTip(tr("Send coins to a bitcoin address"));
 161     addressbook = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 162     addressbook->setToolTip(tr("Edit the list of stored addresses and labels"));
 163     about = new QAction(QIcon(":/icons/bitcoin"), tr("&About"), this);
 164     about->setToolTip(tr("Show information about Bitcoin"));
 165     receivingAddresses = new QAction(QIcon(":/icons/receiving_addresses"), tr("Your &Receiving Addresses..."), this);
 166     receivingAddresses->setToolTip(tr("Show the list of receiving addresses and edit their labels"));
 167     options = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 168     options->setToolTip(tr("Modify configuration options for bitcoin"));
 169     openBitcoin = new QAction(QIcon(":/icons/bitcoin"), "Open &Bitcoin", this);
 170     openBitcoin->setToolTip(tr("Show the Bitcoin window"));
 171
 172     connect(quit, SIGNAL(triggered()), qApp, SLOT(quit()));
 173     connect(sendcoins, SIGNAL(triggered()), this, SLOT(sendcoinsClicked()));
 174     connect(addressbook, SIGNAL(triggered()), this, SLOT(addressbookClicked()));
 175     connect(receivingAddresses, SIGNAL(triggered()), this, SLOT(receivingAddressesClicked()));
 176     connect(options, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 177     connect(about, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 178     connect(openBitcoin, SIGNAL(triggered()), this, SLOT(show()));
 179 }
 180
 181 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 182 {
 183     this->clientModel = clientModel;
 184
 185     if(clientModel->isTestNet())
 186     {
 187         setWindowTitle(tr("Bitcoin [testnet]"));
 188         setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 189         if(trayIcon)
 190         {
 191             trayIcon->setToolTip(tr("Bitcoin [testnet]"));
 192             trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 193         }
 194     }
 195
 196     // Keep up to date with client
 197     setNumConnections(clientModel->getNumConnections());
 198     connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 199
 200     setNumBlocks(clientModel->getNumBlocks());
 201     connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 202
 203     // Report errors from network/worker thread
 204     connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 205 }
 206
 207 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 208 {
 209     this->walletModel = walletModel;
 210
 211     // Keep up to date with wallet
 212     setBalance(walletModel->getBalance());
 213     connect(walletModel, SIGNAL(balanceChanged(qint64)), this, SLOT(setBalance(qint64)));
 214
 215     setNumTransactions(walletModel->getNumTransactions());
 216     connect(walletModel, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
 217
 218     setAddress(walletModel->getAddressTableModel()->getDefaultAddress());
 219     connect(walletModel->getAddressTableModel(), SIGNAL(defaultAddressChanged(QString)), this, SLOT(setAddress(QString)));
 220
 221     // Report errors from wallet thread
 222     connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 223
 224     // Put transaction list in tabs
 225     transactionView->setModel(walletModel->getTransactionTableModel());
 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(openBitcoin);
 236     trayIconMenu->addAction(sendcoins);
 237     trayIconMenu->addAction(options);
 238     trayIconMenu->addSeparator();
 239     trayIconMenu->addAction(quit);
 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         openBitcoin->trigger();
 256     }
 257 }
 258
 259 void BitcoinGUI::sendcoinsClicked()
 260 {
 261     SendCoinsDialog dlg;
 262     dlg.setModel(walletModel);
 263     dlg.exec();
 264 }
 265
 266 void BitcoinGUI::addressbookClicked()
 267 {
 268     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 269     dlg.setModel(walletModel->getAddressTableModel());
 270     dlg.setTab(AddressBookDialog::SendingTab);
 271     dlg.exec();
 272 }
 273
 274 void BitcoinGUI::receivingAddressesClicked()
 275 {
 276     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 277     dlg.setModel(walletModel->getAddressTableModel());
 278     dlg.setTab(AddressBookDialog::ReceivingTab);
 279     dlg.exec();
 280 }
 281
 282 void BitcoinGUI::optionsClicked()
 283 {
 284     OptionsDialog dlg;
 285     dlg.setModel(clientModel->getOptionsModel());
 286     dlg.exec();
 287 }
 288
 289 void BitcoinGUI::aboutClicked()
 290 {
 291     AboutDialog dlg;
 292     dlg.exec();
 293 }
 294
 295 void BitcoinGUI::newAddressClicked()
 296 {
 297     EditAddressDialog dlg(EditAddressDialog::NewReceivingAddress);
 298     dlg.setModel(walletModel->getAddressTableModel());
 299     if(dlg.exec())
 300     {
 301         QString newAddress = dlg.saveCurrentRow();
 302     }
 303 }
 304
 305 void BitcoinGUI::copyClipboardClicked()
 306 {
 307     // Copy text in address to clipboard
 308     QApplication::clipboard()->setText(address->text());
 309 }
 310
 311 void BitcoinGUI::setBalance(qint64 balance)
 312 {
 313     labelBalance->setText(QString::fromStdString(FormatMoney(balance)) + QString(" BTC"));
 314 }
 315
 316 void BitcoinGUI::setAddress(const QString &addr)
 317 {
 318     address->setText(addr);
 319 }
 320
 321 void BitcoinGUI::setNumConnections(int count)
 322 {
 323     QString icon;
 324     switch(count)
 325     {
 326     case 0: icon = ":/icons/connect_0"; break;
 327     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 328     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 329     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 330     default: icon = ":/icons/connect_4"; break;
 331     }
 332     labelConnections->setTextFormat(Qt::RichText);
 333     labelConnections->setText("<img src=\""+icon+"\"> " + tr("%n connection(s)", "", count));
 334 }
 335
 336 void BitcoinGUI::setNumBlocks(int count)
 337 {
 338     int total = clientModel->getTotalBlocksEstimate();
 339     if(count < total)
 340     {
 341         progressBarLabel->setVisible(true);
 342         progressBar->setVisible(true);
 343         progressBar->setMaximum(total);
 344         progressBar->setValue(count);
 345     }
 346     else
 347     {
 348         progressBarLabel->setVisible(false);
 349         progressBar->setVisible(false);
 350     }
 351
 352     labelBlocks->setText(tr("%n block(s)", "", count));
 353 }
 354
 355 void BitcoinGUI::setNumTransactions(int count)
 356 {
 357     labelTransactions->setText(tr("%n transaction(s)", "", count));
 358 }
 359
 360 void BitcoinGUI::error(const QString &title, const QString &message)
 361 {
 362     // Report errors from network/worker thread
 363     if(trayIcon->supportsMessages())
 364     {
 365         // Show as "balloon" message if possible
 366         trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
 367     }
 368     else
 369     {
 370         // Fall back to old fashioned popup dialog if not
 371         QMessageBox::critical(this, title,
 372             message,
 373             QMessageBox::Ok, QMessageBox::Ok);
 374     }
 375 }
 376
 377 void BitcoinGUI::changeEvent(QEvent *e)
 378 {
 379     if (e->type() == QEvent::WindowStateChange)
 380     {
 381         if(clientModel->getOptionsModel()->getMinimizeToTray())
 382         {
 383             if (isMinimized())
 384             {
 385                 hide();
 386                 e->ignore();
 387             }
 388             else
 389             {
 390                 e->accept();
 391             }
 392         }
 393     }
 394     QMainWindow::changeEvent(e);
 395 }
 396
 397 void BitcoinGUI::closeEvent(QCloseEvent *event)
 398 {
 399     if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 400        !clientModel->getOptionsModel()->getMinimizeOnClose())
 401     {
 402         qApp->quit();
 403     }
 404     QMainWindow::closeEvent(event);
 405 }
 406
 407 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 408 {
 409     QString strMessage =
 410         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 411           "which goes to the nodes that process your transaction and helps to support the network.  "
 412           "Do you want to pay the fee?").arg(QString::fromStdString(FormatMoney(nFeeRequired)));
 413     QMessageBox::StandardButton retval = QMessageBox::question(
 414           this, tr("Sending..."), strMessage,
 415           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 416     *payFee = (retval == QMessageBox::Yes);
 417 }
 418
 419 void BitcoinGUI::transactionDetails(const QModelIndex& idx)
 420 {
 421     // A transaction is doubleclicked
 422     TransactionDescDialog dlg(idx);
 423     dlg.exec();
 424 }
 425
 426 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 427 {
 428     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 429     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 430                     .data(Qt::EditRole).toULongLong();
 431     if(amount>0 && !clientModel->inInitialBlockDownload())
 432     {
 433         // On incoming transaction, make an info balloon
 434         // Unless the initial block download is in progress, to prevent balloon-spam
 435         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 436                         .data().toString();
 437         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 438                         .data().toString();
 439         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 440                         .data().toString();
 441
 442         trayIcon->showMessage(tr("Incoming transaction"),
 443                               tr("Date: ") + date + "\n" +
 444                               tr("Amount: ") + QString::fromStdString(FormatMoney(amount, true)) + "\n" +
 445                               tr("Type: ") + type + "\n" +
 446                               tr("Address: ") + address + "\n",
 447                               QSystemTrayIcon::Information);
 448     }
 449 }