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     toolbar->addAction(receivingAddresses);
  76
  77     // Address: <address>: New... : Paste to clipboard
  78     QHBoxLayout *hbox_address = new QHBoxLayout();
  79     hbox_address->addWidget(new QLabel(tr("Your Bitcoin address:")));
  80     address = new QLineEdit();
  81     address->setReadOnly(true);
  82     address->setFont(GUIUtil::bitcoinAddressFont());
  83     address->setToolTip(tr("Your current default receiving address"));
  84     hbox_address->addWidget(address);
  85
  86     QPushButton *button_new = new QPushButton(tr("&New address..."));
  87     button_new->setToolTip(tr("Create new receiving address"));
  88     button_new->setIcon(QIcon(":/icons/add"));
  89     QPushButton *button_clipboard = new QPushButton(tr("&Copy to clipboard"));
  90     button_clipboard->setToolTip(tr("Copy current receiving address to the system clipboard"));
  91     button_clipboard->setIcon(QIcon(":/icons/editcopy"));
  92     hbox_address->addWidget(button_new);
  93     hbox_address->addWidget(button_clipboard);
  94
  95     // Balance: <balance>
  96     QHBoxLayout *hbox_balance = new QHBoxLayout();
  97     hbox_balance->addWidget(new QLabel(tr("Balance:")));
  98     hbox_balance->addSpacing(5);/* Add some spacing between the label and the text */
  99
 100     labelBalance = new QLabel();
 101     labelBalance->setFont(QFont("Monospace", -1, QFont::Bold));
 102     labelBalance->setToolTip(tr("Your current balance"));
 103     hbox_balance->addWidget(labelBalance);
 104     hbox_balance->addStretch(1);
 105
 106     QVBoxLayout *vbox = new QVBoxLayout();
 107     vbox->addLayout(hbox_address);
 108     vbox->addLayout(hbox_balance);
 109
 110     transactionView = new TransactionView(this);
 111     connect(transactionView, SIGNAL(doubleClicked(const QModelIndex&)), this, SLOT(transactionDetails(const QModelIndex&)));
 112     vbox->addWidget(transactionView);
 113
 114     QWidget *centralwidget = new QWidget(this);
 115     centralwidget->setLayout(vbox);
 116     setCentralWidget(centralwidget);
 117
 118     // Create status bar
 119     statusBar();
 120
 121     labelConnections = new QLabel();
 122     labelConnections->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 123     labelConnections->setMinimumWidth(150);
 124     labelConnections->setToolTip(tr("Number of connections to other clients"));
 125
 126     labelBlocks = new QLabel();
 127     labelBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 128     labelBlocks->setMinimumWidth(130);
 129     labelBlocks->setToolTip(tr("Number of blocks in the block chain"));
 130
 131     labelTransactions = new QLabel();
 132     labelTransactions->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 133     labelTransactions->setMinimumWidth(130);
 134     labelTransactions->setToolTip(tr("Number of transactions in your wallet"));
 135
 136     // Progress bar for blocks download
 137     progressBarLabel = new QLabel(tr("Synchronizing with network..."));
 138     progressBarLabel->setVisible(false);
 139     progressBar = new QProgressBar();
 140     progressBar->setToolTip(tr("Block chain synchronization in progress"));
 141     progressBar->setVisible(false);
 142
 143     statusBar()->addWidget(progressBarLabel);
 144     statusBar()->addWidget(progressBar);
 145     statusBar()->addPermanentWidget(labelConnections);
 146     statusBar()->addPermanentWidget(labelBlocks);
 147     statusBar()->addPermanentWidget(labelTransactions);
 148
 149     // Action bindings
 150     connect(button_new, SIGNAL(clicked()), this, SLOT(newAddressClicked()));
 151     connect(button_clipboard, SIGNAL(clicked()), this, SLOT(copyClipboardClicked()));
 152
 153     createTrayIcon();
 154 }
 155
 156 void BitcoinGUI::createActions()
 157 {
 158     quit = new QAction(QIcon(":/icons/quit"), tr("&Exit"), this);
 159     quit->setToolTip(tr("Quit application"));
 160     sendcoins = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 161     sendcoins->setToolTip(tr("Send coins to a bitcoin address"));
 162     addressbook = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 163     addressbook->setToolTip(tr("Edit the list of stored addresses and labels"));
 164     about = new QAction(QIcon(":/icons/bitcoin"), tr("&About"), this);
 165     about->setToolTip(tr("Show information about Bitcoin"));
 166     receivingAddresses = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receiving Addresses..."), this);
 167     receivingAddresses->setToolTip(tr("Show the list of receiving addresses and edit their labels"));
 168     options = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 169     options->setToolTip(tr("Modify configuration options for bitcoin"));
 170     openBitcoin = new QAction(QIcon(":/icons/bitcoin"), "Open &Bitcoin", this);
 171     openBitcoin->setToolTip(tr("Show the Bitcoin window"));
 172
 173     connect(quit, SIGNAL(triggered()), qApp, SLOT(quit()));
 174     connect(sendcoins, SIGNAL(triggered()), this, SLOT(sendcoinsClicked()));
 175     connect(addressbook, SIGNAL(triggered()), this, SLOT(addressbookClicked()));
 176     connect(receivingAddresses, SIGNAL(triggered()), this, SLOT(receivingAddressesClicked()));
 177     connect(options, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 178     connect(about, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 179     connect(openBitcoin, SIGNAL(triggered()), this, SLOT(show()));
 180 }
 181
 182 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 183 {
 184     this->clientModel = clientModel;
 185
 186     if(clientModel->isTestNet())
 187     {
 188         setWindowTitle(tr("Bitcoin [testnet]"));
 189         setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 190         if(trayIcon)
 191         {
 192             trayIcon->setToolTip(tr("Bitcoin [testnet]"));
 193             trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 194         }
 195     }
 196
 197     // Keep up to date with client
 198     setNumConnections(clientModel->getNumConnections());
 199     connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 200
 201     setNumBlocks(clientModel->getNumBlocks());
 202     connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 203
 204     // Report errors from network/worker thread
 205     connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 206 }
 207
 208 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 209 {
 210     this->walletModel = walletModel;
 211
 212     // Keep up to date with wallet
 213     setBalance(walletModel->getBalance());
 214     connect(walletModel, SIGNAL(balanceChanged(qint64)), this, SLOT(setBalance(qint64)));
 215
 216     setNumTransactions(walletModel->getNumTransactions());
 217     connect(walletModel, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
 218
 219     setAddress(walletModel->getAddressTableModel()->getDefaultAddress());
 220     connect(walletModel->getAddressTableModel(), SIGNAL(defaultAddressChanged(QString)), this, SLOT(setAddress(QString)));
 221
 222     // Report errors from wallet thread
 223     connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 224
 225     // Put transaction list in tabs
 226     transactionView->setModel(walletModel->getTransactionTableModel());
 227
 228     // Balloon popup for new transaction
 229     connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(const QModelIndex &, int, int)),
 230             this, SLOT(incomingTransaction(const QModelIndex &, int, int)));
 231 }
 232
 233 void BitcoinGUI::createTrayIcon()
 234 {
 235     QMenu *trayIconMenu = new QMenu(this);
 236     trayIconMenu->addAction(openBitcoin);
 237     trayIconMenu->addAction(sendcoins);
 238     trayIconMenu->addAction(options);
 239     trayIconMenu->addSeparator();
 240     trayIconMenu->addAction(quit);
 241
 242     trayIcon = new QSystemTrayIcon(this);
 243     trayIcon->setContextMenu(trayIconMenu);
 244     trayIcon->setToolTip("Bitcoin client");
 245     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 246     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 247             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 248     trayIcon->show();
 249 }
 250
 251 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 252 {
 253     if(reason == QSystemTrayIcon::DoubleClick)
 254     {
 255         // Doubleclick on system tray icon triggers "open bitcoin"
 256         openBitcoin->trigger();
 257     }
 258 }
 259
 260 void BitcoinGUI::sendcoinsClicked()
 261 {
 262     SendCoinsDialog dlg;
 263     dlg.setModel(walletModel);
 264     dlg.exec();
 265 }
 266
 267 void BitcoinGUI::addressbookClicked()
 268 {
 269     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 270     dlg.setModel(walletModel->getAddressTableModel());
 271     dlg.setTab(AddressBookDialog::SendingTab);
 272     dlg.exec();
 273 }
 274
 275 void BitcoinGUI::receivingAddressesClicked()
 276 {
 277     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 278     dlg.setModel(walletModel->getAddressTableModel());
 279     dlg.setTab(AddressBookDialog::ReceivingTab);
 280     dlg.exec();
 281 }
 282
 283 void BitcoinGUI::optionsClicked()
 284 {
 285     OptionsDialog dlg;
 286     dlg.setModel(clientModel->getOptionsModel());
 287     dlg.exec();
 288 }
 289
 290 void BitcoinGUI::aboutClicked()
 291 {
 292     AboutDialog dlg;
 293     dlg.exec();
 294 }
 295
 296 void BitcoinGUI::newAddressClicked()
 297 {
 298     EditAddressDialog dlg(EditAddressDialog::NewReceivingAddress);
 299     dlg.setModel(walletModel->getAddressTableModel());
 300     if(dlg.exec())
 301     {
 302         QString newAddress = dlg.saveCurrentRow();
 303     }
 304 }
 305
 306 void BitcoinGUI::copyClipboardClicked()
 307 {
 308     // Copy text in address to clipboard
 309     QApplication::clipboard()->setText(address->text());
 310 }
 311
 312 void BitcoinGUI::setBalance(qint64 balance)
 313 {
 314     labelBalance->setText(QString::fromStdString(FormatMoney(balance)) + QString(" BTC"));
 315 }
 316
 317 void BitcoinGUI::setAddress(const QString &addr)
 318 {
 319     address->setText(addr);
 320 }
 321
 322 void BitcoinGUI::setNumConnections(int count)
 323 {
 324     QString icon;
 325     switch(count)
 326     {
 327     case 0: icon = ":/icons/connect_0"; break;
 328     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 329     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 330     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 331     default: icon = ":/icons/connect_4"; break;
 332     }
 333     labelConnections->setTextFormat(Qt::RichText);
 334     labelConnections->setText("<img src=\""+icon+"\"> " + tr("%n connection(s)", "", count));
 335 }
 336
 337 void BitcoinGUI::setNumBlocks(int count)
 338 {
 339     int total = clientModel->getTotalBlocksEstimate();
 340     if(count < total)
 341     {
 342         progressBarLabel->setVisible(true);
 343         progressBar->setVisible(true);
 344         progressBar->setMaximum(total);
 345         progressBar->setValue(count);
 346     }
 347     else
 348     {
 349         progressBarLabel->setVisible(false);
 350         progressBar->setVisible(false);
 351     }
 352
 353     labelBlocks->setText(tr("%n block(s)", "", count));
 354 }
 355
 356 void BitcoinGUI::setNumTransactions(int count)
 357 {
 358     labelTransactions->setText(tr("%n transaction(s)", "", count));
 359 }
 360
 361 void BitcoinGUI::error(const QString &title, const QString &message)
 362 {
 363     // Report errors from network/worker thread
 364     if(trayIcon->supportsMessages())
 365     {
 366         // Show as "balloon" message if possible
 367         trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
 368     }
 369     else
 370     {
 371         // Fall back to old fashioned popup dialog if not
 372         QMessageBox::critical(this, title,
 373             message,
 374             QMessageBox::Ok, QMessageBox::Ok);
 375     }
 376 }
 377
 378 void BitcoinGUI::changeEvent(QEvent *e)
 379 {
 380     if (e->type() == QEvent::WindowStateChange)
 381     {
 382         if(clientModel->getOptionsModel()->getMinimizeToTray())
 383         {
 384             if (isMinimized())
 385             {
 386                 hide();
 387                 e->ignore();
 388             }
 389             else
 390             {
 391                 e->accept();
 392             }
 393         }
 394     }
 395     QMainWindow::changeEvent(e);
 396 }
 397
 398 void BitcoinGUI::closeEvent(QCloseEvent *event)
 399 {
 400     if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 401        !clientModel->getOptionsModel()->getMinimizeOnClose())
 402     {
 403         qApp->quit();
 404     }
 405     QMainWindow::closeEvent(event);
 406 }
 407
 408 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 409 {
 410     QString strMessage =
 411         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 412           "which goes to the nodes that process your transaction and helps to support the network.  "
 413           "Do you want to pay the fee?").arg(QString::fromStdString(FormatMoney(nFeeRequired)));
 414     QMessageBox::StandardButton retval = QMessageBox::question(
 415           this, tr("Sending..."), strMessage,
 416           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 417     *payFee = (retval == QMessageBox::Yes);
 418 }
 419
 420 void BitcoinGUI::transactionDetails(const QModelIndex& idx)
 421 {
 422     // A transaction is doubleclicked
 423     TransactionDescDialog dlg(idx);
 424     dlg.exec();
 425 }
 426
 427 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 428 {
 429     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 430     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 431                     .data(Qt::EditRole).toULongLong();
 432     if(amount>0 && !clientModel->inInitialBlockDownload())
 433     {
 434         // On incoming transaction, make an info balloon
 435         // Unless the initial block download is in progress, to prevent balloon-spam
 436         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 437                         .data().toString();
 438         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 439                         .data().toString();
 440         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 441                         .data().toString();
 442
 443         trayIcon->showMessage(tr("Incoming transaction"),
 444                               tr("Date: ") + date + "\n" +
 445                               tr("Amount: ") + QString::fromStdString(FormatMoney(amount, true)) + "\n" +
 446                               tr("Type: ") + type + "\n" +
 447                               tr("Address: ") + address + "\n",
 448                               QSystemTrayIcon::Information);
 449     }
 450 }