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 <QApplication>
  22 #include <QMainWindow>
  23 #include <QMenuBar>
  24 #include <QMenu>
  25 #include <QIcon>
  26 #include <QTabWidget>
  27 #include <QVBoxLayout>
  28 #include <QWidget>
  29 #include <QToolBar>
  30 #include <QStatusBar>
  31 #include <QLabel>
  32 #include <QLineEdit>
  33 #include <QPushButton>
  34 #include <QLocale>
  35 #include <QClipboard>
  36 #include <QMessageBox>
  37 #include <QProgressBar>
  38
  39 #include <QDebug>
  40
  41 #include <iostream>
  42
  43 BitcoinGUI::BitcoinGUI(QWidget *parent):
  44     QMainWindow(parent),
  45     clientModel(0),
  46     walletModel(0),
  47     trayIcon(0)
  48 {
  49     resize(850, 550);
  50     setWindowTitle(tr("Bitcoin"));
  51     setWindowIcon(QIcon(":icons/bitcoin"));
  52
  53     createActions();
  54
  55     // Menus
  56     QMenu *file = menuBar()->addMenu("&File");
  57     file->addAction(sendcoins);
  58     file->addSeparator();
  59     file->addAction(quit);
  60
  61     QMenu *settings = menuBar()->addMenu("&Settings");
  62     settings->addAction(receivingAddresses);
  63     settings->addAction(options);
  64
  65     QMenu *help = menuBar()->addMenu("&Help");
  66     help->addAction(about);
  67
  68     // Toolbar
  69     QToolBar *toolbar = addToolBar("Main toolbar");
  70     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  71     toolbar->addAction(sendcoins);
  72     toolbar->addAction(addressbook);
  73     toolbar->addAction(receivingAddresses);
  74
  75     // Address: <address>: New... : Paste to clipboard
  76     QHBoxLayout *hbox_address = new QHBoxLayout();
  77     hbox_address->addWidget(new QLabel(tr("Your Bitcoin address:")));
  78     address = new QLineEdit();
  79     address->setReadOnly(true);
  80     address->setFont(GUIUtil::bitcoinAddressFont());
  81     address->setToolTip(tr("Your current default receiving address"));
  82     hbox_address->addWidget(address);
  83
  84     QPushButton *button_new = new QPushButton(tr("&New address..."));
  85     button_new->setToolTip(tr("Create new receiving address"));
  86     button_new->setIcon(QIcon(":/icons/add"));
  87     QPushButton *button_clipboard = new QPushButton(tr("&Copy to clipboard"));
  88     button_clipboard->setToolTip(tr("Copy current receiving address to the system clipboard"));
  89     button_clipboard->setIcon(QIcon(":/icons/editcopy"));
  90     hbox_address->addWidget(button_new);
  91     hbox_address->addWidget(button_clipboard);
  92
  93     // Balance: <balance>
  94     QHBoxLayout *hbox_balance = new QHBoxLayout();
  95     hbox_balance->addWidget(new QLabel(tr("Balance:")));
  96     hbox_balance->addSpacing(5);/* Add some spacing between the label and the text */
  97
  98     labelBalance = new QLabel();
  99     labelBalance->setFont(QFont("Monospace", -1, QFont::Bold));
 100     labelBalance->setToolTip(tr("Your current balance"));
 101     hbox_balance->addWidget(labelBalance);
 102     hbox_balance->addStretch(1);
 103
 104     QVBoxLayout *vbox = new QVBoxLayout();
 105     vbox->addLayout(hbox_address);
 106     vbox->addLayout(hbox_balance);
 107
 108     transactionView = new TransactionView(this);
 109     connect(transactionView, SIGNAL(doubleClicked(const QModelIndex&)), this, SLOT(transactionDetails(const QModelIndex&)));
 110     vbox->addWidget(transactionView);
 111
 112     QWidget *centralwidget = new QWidget(this);
 113     centralwidget->setLayout(vbox);
 114     setCentralWidget(centralwidget);
 115
 116     // Create status bar
 117     statusBar();
 118
 119     labelConnections = new QLabel();
 120     labelConnections->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 121     labelConnections->setMinimumWidth(150);
 122     labelConnections->setToolTip(tr("Number of connections to other clients"));
 123
 124     labelBlocks = new QLabel();
 125     labelBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 126     labelBlocks->setMinimumWidth(130);
 127     labelBlocks->setToolTip(tr("Number of blocks in the block chain"));
 128
 129     labelTransactions = new QLabel();
 130     labelTransactions->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 131     labelTransactions->setMinimumWidth(130);
 132     labelTransactions->setToolTip(tr("Number of transactions in your wallet"));
 133
 134     // Progress bar for blocks download
 135     progressBarLabel = new QLabel(tr("Synchronizing with network..."));
 136     progressBarLabel->setVisible(false);
 137     progressBar = new QProgressBar();
 138     progressBar->setToolTip(tr("Block chain synchronization in progress"));
 139     progressBar->setVisible(false);
 140
 141     statusBar()->addWidget(progressBarLabel);
 142     statusBar()->addWidget(progressBar);
 143     statusBar()->addPermanentWidget(labelConnections);
 144     statusBar()->addPermanentWidget(labelBlocks);
 145     statusBar()->addPermanentWidget(labelTransactions);
 146
 147     // Action bindings
 148     connect(button_new, SIGNAL(clicked()), this, SLOT(newAddressClicked()));
 149     connect(button_clipboard, SIGNAL(clicked()), this, SLOT(copyClipboardClicked()));
 150
 151     createTrayIcon();
 152 }
 153
 154 void BitcoinGUI::createActions()
 155 {
 156     quit = new QAction(QIcon(":/icons/quit"), tr("&Exit"), this);
 157     quit->setToolTip(tr("Quit application"));
 158     sendcoins = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 159     sendcoins->setToolTip(tr("Send coins to a bitcoin address"));
 160     addressbook = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 161     addressbook->setToolTip(tr("Edit the list of stored addresses and labels"));
 162     about = new QAction(QIcon(":/icons/bitcoin"), tr("&About"), this);
 163     about->setToolTip(tr("Show information about Bitcoin"));
 164     receivingAddresses = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receiving Addresses..."), this);
 165     receivingAddresses->setToolTip(tr("Show the list of receiving addresses and edit their labels"));
 166     options = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 167     options->setToolTip(tr("Modify configuration options for bitcoin"));
 168     openBitcoin = new QAction(QIcon(":/icons/bitcoin"), "Open &Bitcoin", this);
 169     openBitcoin->setToolTip(tr("Show the Bitcoin window"));
 170
 171     connect(quit, SIGNAL(triggered()), qApp, SLOT(quit()));
 172     connect(sendcoins, SIGNAL(triggered()), this, SLOT(sendcoinsClicked()));
 173     connect(addressbook, SIGNAL(triggered()), this, SLOT(addressbookClicked()));
 174     connect(receivingAddresses, SIGNAL(triggered()), this, SLOT(receivingAddressesClicked()));
 175     connect(options, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 176     connect(about, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 177     connect(openBitcoin, SIGNAL(triggered()), this, SLOT(show()));
 178 }
 179
 180 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 181 {
 182     this->clientModel = clientModel;
 183
 184     if(clientModel->isTestNet())
 185     {
 186         setWindowTitle(tr("Bitcoin [testnet]"));
 187         setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 188         if(trayIcon)
 189         {
 190             trayIcon->setToolTip(tr("Bitcoin [testnet]"));
 191             trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 192         }
 193     }
 194
 195     // Keep up to date with client
 196     setNumConnections(clientModel->getNumConnections());
 197     connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 198
 199     setNumBlocks(clientModel->getNumBlocks());
 200     connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 201
 202     // Report errors from network/worker thread
 203     connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 204 }
 205
 206 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 207 {
 208     this->walletModel = walletModel;
 209
 210     // Keep up to date with wallet
 211     setBalance(walletModel->getBalance());
 212     connect(walletModel, SIGNAL(balanceChanged(qint64)), this, SLOT(setBalance(qint64)));
 213
 214     setNumTransactions(walletModel->getNumTransactions());
 215     connect(walletModel, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
 216
 217     setAddress(walletModel->getAddressTableModel()->getDefaultAddress());
 218     connect(walletModel->getAddressTableModel(), SIGNAL(defaultAddressChanged(QString)), this, SLOT(setAddress(QString)));
 219
 220     // Report errors from wallet thread
 221     connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 222
 223     // Put transaction list in tabs
 224     transactionView->setModel(walletModel->getTransactionTableModel());
 225
 226     // Balloon popup for new transaction
 227     connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(const QModelIndex &, int, int)),
 228             this, SLOT(incomingTransaction(const QModelIndex &, int, int)));
 229 }
 230
 231 void BitcoinGUI::createTrayIcon()
 232 {
 233     QMenu *trayIconMenu = new QMenu(this);
 234     trayIconMenu->addAction(openBitcoin);
 235     trayIconMenu->addAction(sendcoins);
 236     trayIconMenu->addAction(options);
 237     trayIconMenu->addSeparator();
 238     trayIconMenu->addAction(quit);
 239
 240     trayIcon = new QSystemTrayIcon(this);
 241     trayIcon->setContextMenu(trayIconMenu);
 242     trayIcon->setToolTip("Bitcoin client");
 243     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 244     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 245             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 246     trayIcon->show();
 247 }
 248
 249 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 250 {
 251     if(reason == QSystemTrayIcon::DoubleClick)
 252     {
 253         // Doubleclick on system tray icon triggers "open bitcoin"
 254         openBitcoin->trigger();
 255     }
 256 }
 257
 258 void BitcoinGUI::sendcoinsClicked()
 259 {
 260     SendCoinsDialog dlg;
 261     dlg.setModel(walletModel);
 262     dlg.exec();
 263 }
 264
 265 void BitcoinGUI::addressbookClicked()
 266 {
 267     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 268     dlg.setModel(walletModel->getAddressTableModel());
 269     dlg.setTab(AddressBookDialog::SendingTab);
 270     dlg.exec();
 271 }
 272
 273 void BitcoinGUI::receivingAddressesClicked()
 274 {
 275     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 276     dlg.setModel(walletModel->getAddressTableModel());
 277     dlg.setTab(AddressBookDialog::ReceivingTab);
 278     dlg.exec();
 279 }
 280
 281 void BitcoinGUI::optionsClicked()
 282 {
 283     OptionsDialog dlg;
 284     dlg.setModel(clientModel->getOptionsModel());
 285     dlg.exec();
 286 }
 287
 288 void BitcoinGUI::aboutClicked()
 289 {
 290     AboutDialog dlg;
 291     dlg.setModel(clientModel);
 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(GUIUtil::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(GUIUtil::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: ") + GUIUtil::formatMoney(amount, true) + "\n" +
 445                               tr("Type: ") + type + "\n" +
 446                               tr("Address: ") + address + "\n",
 447                               QSystemTrayIcon::Information);
 448     }
 449 }