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     // Keep up to date with client
 186     setNumConnections(clientModel->getNumConnections());
 187     connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 188
 189     setNumBlocks(clientModel->getNumBlocks());
 190     connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 191
 192     // Report errors from network/worker thread
 193     connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 194 }
 195
 196 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 197 {
 198     this->walletModel = walletModel;
 199
 200     // Keep up to date with wallet
 201     setBalance(walletModel->getBalance());
 202     connect(walletModel, SIGNAL(balanceChanged(qint64)), this, SLOT(setBalance(qint64)));
 203
 204     setNumTransactions(walletModel->getNumTransactions());
 205     connect(walletModel, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
 206
 207     setAddress(walletModel->getAddressTableModel()->getDefaultAddress());
 208     connect(walletModel->getAddressTableModel(), SIGNAL(defaultAddressChanged(QString)), this, SLOT(setAddress(QString)));
 209
 210     // Report errors from wallet thread
 211     connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 212
 213     // Put transaction list in tabs
 214     transactionView->setModel(walletModel->getTransactionTableModel());
 215
 216     // Balloon popup for new transaction
 217     connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(const QModelIndex &, int, int)),
 218             this, SLOT(incomingTransaction(const QModelIndex &, int, int)));
 219 }
 220
 221 void BitcoinGUI::createTrayIcon()
 222 {
 223     QMenu *trayIconMenu = new QMenu(this);
 224     trayIconMenu->addAction(openBitcoin);
 225     trayIconMenu->addAction(sendcoins);
 226     trayIconMenu->addAction(options);
 227     trayIconMenu->addSeparator();
 228     trayIconMenu->addAction(quit);
 229
 230     trayIcon = new QSystemTrayIcon(this);
 231     trayIcon->setContextMenu(trayIconMenu);
 232     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 233     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 234             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 235     trayIcon->show();
 236 }
 237
 238 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 239 {
 240     if(reason == QSystemTrayIcon::DoubleClick)
 241     {
 242         // Doubleclick on system tray icon triggers "open bitcoin"
 243         openBitcoin->trigger();
 244     }
 245 }
 246
 247 void BitcoinGUI::sendcoinsClicked()
 248 {
 249     SendCoinsDialog dlg;
 250     dlg.setModel(walletModel);
 251     dlg.exec();
 252 }
 253
 254 void BitcoinGUI::addressbookClicked()
 255 {
 256     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 257     dlg.setModel(walletModel->getAddressTableModel());
 258     dlg.setTab(AddressBookDialog::SendingTab);
 259     dlg.exec();
 260 }
 261
 262 void BitcoinGUI::receivingAddressesClicked()
 263 {
 264     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 265     dlg.setModel(walletModel->getAddressTableModel());
 266     dlg.setTab(AddressBookDialog::ReceivingTab);
 267     dlg.exec();
 268 }
 269
 270 void BitcoinGUI::optionsClicked()
 271 {
 272     OptionsDialog dlg;
 273     dlg.setModel(clientModel->getOptionsModel());
 274     dlg.exec();
 275 }
 276
 277 void BitcoinGUI::aboutClicked()
 278 {
 279     AboutDialog dlg;
 280     dlg.exec();
 281 }
 282
 283 void BitcoinGUI::newAddressClicked()
 284 {
 285     EditAddressDialog dlg(EditAddressDialog::NewReceivingAddress);
 286     dlg.setModel(walletModel->getAddressTableModel());
 287     if(dlg.exec())
 288     {
 289         QString newAddress = dlg.saveCurrentRow();
 290     }
 291 }
 292
 293 void BitcoinGUI::copyClipboardClicked()
 294 {
 295     // Copy text in address to clipboard
 296     QApplication::clipboard()->setText(address->text());
 297 }
 298
 299 void BitcoinGUI::setBalance(qint64 balance)
 300 {
 301     labelBalance->setText(QString::fromStdString(FormatMoney(balance)) + QString(" BTC"));
 302 }
 303
 304 void BitcoinGUI::setAddress(const QString &addr)
 305 {
 306     address->setText(addr);
 307 }
 308
 309 void BitcoinGUI::setNumConnections(int count)
 310 {
 311     QString icon;
 312     switch(count)
 313     {
 314     case 0: icon = ":/icons/connect_0"; break;
 315     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 316     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 317     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 318     default: icon = ":/icons/connect_4"; break;
 319     }
 320     labelConnections->setTextFormat(Qt::RichText);
 321     labelConnections->setText("<img src=\""+icon+"\"> " + tr("%n connection(s)", "", count));
 322 }
 323
 324 void BitcoinGUI::setNumBlocks(int count)
 325 {
 326     int total = clientModel->getTotalBlocksEstimate();
 327     if(count < total)
 328     {
 329         progressBarLabel->setVisible(true);
 330         progressBar->setVisible(true);
 331         progressBar->setMaximum(total);
 332         progressBar->setValue(count);
 333     }
 334     else
 335     {
 336         progressBarLabel->setVisible(false);
 337         progressBar->setVisible(false);
 338     }
 339
 340     labelBlocks->setText(tr("%n block(s)", "", count));
 341 }
 342
 343 void BitcoinGUI::setNumTransactions(int count)
 344 {
 345     labelTransactions->setText(tr("%n transaction(s)", "", count));
 346 }
 347
 348 void BitcoinGUI::error(const QString &title, const QString &message)
 349 {
 350     // Report errors from network/worker thread
 351     if(trayIcon->supportsMessages())
 352     {
 353         // Show as "balloon" message if possible
 354         trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
 355     }
 356     else
 357     {
 358         // Fall back to old fashioned popup dialog if not
 359         QMessageBox::critical(this, title,
 360             message,
 361             QMessageBox::Ok, QMessageBox::Ok);
 362     }
 363 }
 364
 365 void BitcoinGUI::changeEvent(QEvent *e)
 366 {
 367     if (e->type() == QEvent::WindowStateChange)
 368     {
 369         if(clientModel->getOptionsModel()->getMinimizeToTray())
 370         {
 371             if (isMinimized())
 372             {
 373                 hide();
 374                 e->ignore();
 375             }
 376             else
 377             {
 378                 e->accept();
 379             }
 380         }
 381     }
 382     QMainWindow::changeEvent(e);
 383 }
 384
 385 void BitcoinGUI::closeEvent(QCloseEvent *event)
 386 {
 387     if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 388        !clientModel->getOptionsModel()->getMinimizeOnClose())
 389     {
 390         qApp->quit();
 391     }
 392     QMainWindow::closeEvent(event);
 393 }
 394
 395 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 396 {
 397     QString strMessage =
 398         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 399           "which goes to the nodes that process your transaction and helps to support the network.  "
 400           "Do you want to pay the fee?").arg(QString::fromStdString(FormatMoney(nFeeRequired)));
 401     QMessageBox::StandardButton retval = QMessageBox::question(
 402           this, tr("Sending..."), strMessage,
 403           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 404     *payFee = (retval == QMessageBox::Yes);
 405 }
 406
 407 void BitcoinGUI::transactionDetails(const QModelIndex& idx)
 408 {
 409     // A transaction is doubleclicked
 410     TransactionDescDialog dlg(idx);
 411     dlg.exec();
 412 }
 413
 414 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 415 {
 416     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 417     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 418                     .data(Qt::EditRole).toULongLong();
 419     if(amount>0 && !clientModel->inInitialBlockDownload())
 420     {
 421         // On incoming transaction, make an info balloon
 422         // Unless the initial block download is in progress, to prevent balloon-spam
 423         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 424                         .data().toString();
 425         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 426                         .data().toString();
 427         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 428                         .data().toString();
 429
 430         trayIcon->showMessage(tr("Incoming transaction"),
 431                               tr("Date: ") + date + "\n" +
 432                               tr("Amount: ") + QString::fromStdString(FormatMoney(amount, true)) + "\n" +
 433                               tr("Type: ") + type + "\n" +
 434                               tr("Address: ") + address + "\n",
 435                               QSystemTrayIcon::Information);
 436     }
 437 }