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 <QToolBar>
  29 #include <QStatusBar>
  30 #include <QLabel>
  31 #include <QLineEdit>
  32 #include <QPushButton>
  33 #include <QLocale>
  34 #include <QMessageBox>
  35 #include <QProgressBar>
  36
  37 #include <QDebug>
  38
  39 #include <iostream>
  40
  41 BitcoinGUI::BitcoinGUI(QWidget *parent):
  42     QMainWindow(parent),
  43     clientModel(0),
  44     walletModel(0),
  45     trayIcon(0)
  46 {
  47     resize(850, 550);
  48     setWindowTitle(tr("Bitcoin"));
  49     setWindowIcon(QIcon(":icons/bitcoin"));
  50
  51     createActions();
  52
  53     // Menus
  54     QMenu *file = menuBar()->addMenu("&File");
  55     file->addAction(sendCoins);
  56     file->addAction(receiveCoins);
  57     file->addSeparator();
  58     file->addAction(quit);
  59
  60     QMenu *settings = menuBar()->addMenu("&Settings");
  61     settings->addAction(options);
  62
  63     QMenu *help = menuBar()->addMenu("&Help");
  64     help->addAction(about);
  65
  66     // Toolbar
  67     QToolBar *toolbar = addToolBar("Main toolbar");
  68     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  69     toolbar->addAction(sendCoins);
  70     toolbar->addAction(receiveCoins);
  71     toolbar->addAction(addressbook);
  72
  73     // Balance: <balance>
  74     QHBoxLayout *hbox_balance = new QHBoxLayout();
  75     hbox_balance->addWidget(new QLabel(tr("Balance:")));
  76     hbox_balance->addSpacing(5);/* Add some spacing between the label and the text */
  77
  78     labelBalance = new QLabel();
  79     labelBalance->setFont(QFont("Monospace", -1, QFont::Bold));
  80     labelBalance->setToolTip(tr("Your current balance"));
  81     labelBalance->setTextInteractionFlags(Qt::TextSelectableByMouse|Qt::TextSelectableByKeyboard);
  82     hbox_balance->addWidget(labelBalance);
  83     hbox_balance->addStretch(1);
  84
  85     QVBoxLayout *vbox = new QVBoxLayout();
  86     vbox->addLayout(hbox_balance);
  87
  88     transactionView = new TransactionView(this);
  89     connect(transactionView, SIGNAL(doubleClicked(const QModelIndex&)), this, SLOT(transactionDetails(const QModelIndex&)));
  90     vbox->addWidget(transactionView);
  91
  92     QWidget *centralwidget = new QWidget(this);
  93     centralwidget->setLayout(vbox);
  94     setCentralWidget(centralwidget);
  95
  96     // Create status bar
  97     statusBar();
  98
  99     labelConnections = new QLabel();
 100     labelConnections->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 101     labelConnections->setMinimumWidth(150);
 102     labelConnections->setToolTip(tr("Number of connections to other clients"));
 103
 104     labelBlocks = new QLabel();
 105     labelBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 106     labelBlocks->setMinimumWidth(130);
 107     labelBlocks->setToolTip(tr("Number of blocks in the block chain"));
 108
 109     labelTransactions = new QLabel();
 110     labelTransactions->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 111     labelTransactions->setMinimumWidth(130);
 112     labelTransactions->setToolTip(tr("Number of transactions in your wallet"));
 113
 114     // Progress bar for blocks download
 115     progressBarLabel = new QLabel(tr("Synchronizing with network..."));
 116     progressBarLabel->setVisible(false);
 117     progressBar = new QProgressBar();
 118     progressBar->setToolTip(tr("Block chain synchronization in progress"));
 119     progressBar->setVisible(false);
 120
 121     statusBar()->addWidget(progressBarLabel);
 122     statusBar()->addWidget(progressBar);
 123     statusBar()->addPermanentWidget(labelConnections);
 124     statusBar()->addPermanentWidget(labelBlocks);
 125     statusBar()->addPermanentWidget(labelTransactions);
 126
 127     createTrayIcon();
 128 }
 129
 130 void BitcoinGUI::createActions()
 131 {
 132     quit = new QAction(QIcon(":/icons/quit"), tr("&Exit"), this);
 133     quit->setToolTip(tr("Quit application"));
 134     sendCoins = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 135     sendCoins->setToolTip(tr("Send coins to a bitcoin address"));
 136     addressbook = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 137     addressbook->setToolTip(tr("Edit the list of stored addresses and labels"));
 138     about = new QAction(QIcon(":/icons/bitcoin"), tr("&About"), this);
 139     about->setToolTip(tr("Show information about Bitcoin"));
 140     receiveCoins = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 141     receiveCoins->setToolTip(tr("Show the list of addresses for receiving payments"));
 142     options = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 143     options->setToolTip(tr("Modify configuration options for bitcoin"));
 144     openBitcoin = new QAction(QIcon(":/icons/bitcoin"), "Open &Bitcoin", this);
 145     openBitcoin->setToolTip(tr("Show the Bitcoin window"));
 146
 147     connect(quit, SIGNAL(triggered()), qApp, SLOT(quit()));
 148     connect(sendCoins, SIGNAL(triggered()), this, SLOT(sendCoinsClicked()));
 149     connect(addressbook, SIGNAL(triggered()), this, SLOT(addressbookClicked()));
 150     connect(receiveCoins, SIGNAL(triggered()), this, SLOT(receiveCoinsClicked()));
 151     connect(options, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 152     connect(about, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 153     connect(openBitcoin, SIGNAL(triggered()), this, SLOT(show()));
 154 }
 155
 156 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 157 {
 158     this->clientModel = clientModel;
 159
 160     if(clientModel->isTestNet())
 161     {
 162         setWindowTitle(tr("Bitcoin [testnet]"));
 163         setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 164         if(trayIcon)
 165         {
 166             trayIcon->setToolTip(tr("Bitcoin [testnet]"));
 167             trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 168         }
 169     }
 170
 171     // Keep up to date with client
 172     setNumConnections(clientModel->getNumConnections());
 173     connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 174
 175     setNumBlocks(clientModel->getNumBlocks());
 176     connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 177
 178     // Report errors from network/worker thread
 179     connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 180 }
 181
 182 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 183 {
 184     this->walletModel = walletModel;
 185
 186     // Keep up to date with wallet
 187     setBalance(walletModel->getBalance());
 188     connect(walletModel, SIGNAL(balanceChanged(qint64)), this, SLOT(setBalance(qint64)));
 189
 190     setNumTransactions(walletModel->getNumTransactions());
 191     connect(walletModel, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
 192
 193     // Report errors from wallet thread
 194     connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 195
 196     // Put transaction list in tabs
 197     transactionView->setModel(walletModel->getTransactionTableModel());
 198
 199     // Balloon popup for new transaction
 200     connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(const QModelIndex &, int, int)),
 201             this, SLOT(incomingTransaction(const QModelIndex &, int, int)));
 202 }
 203
 204 void BitcoinGUI::createTrayIcon()
 205 {
 206     QMenu *trayIconMenu = new QMenu(this);
 207     trayIconMenu->addAction(openBitcoin);
 208     trayIconMenu->addAction(sendCoins);
 209     trayIconMenu->addAction(options);
 210     trayIconMenu->addSeparator();
 211     trayIconMenu->addAction(quit);
 212
 213     trayIcon = new QSystemTrayIcon(this);
 214     trayIcon->setContextMenu(trayIconMenu);
 215     trayIcon->setToolTip("Bitcoin client");
 216     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 217     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 218             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 219     trayIcon->show();
 220 }
 221
 222 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 223 {
 224     if(reason == QSystemTrayIcon::DoubleClick)
 225     {
 226         // Doubleclick on system tray icon triggers "open bitcoin"
 227         openBitcoin->trigger();
 228     }
 229 }
 230
 231 void BitcoinGUI::sendCoinsClicked()
 232 {
 233     SendCoinsDialog dlg;
 234     dlg.setModel(walletModel);
 235     dlg.exec();
 236 }
 237
 238 void BitcoinGUI::addressbookClicked()
 239 {
 240     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 241     dlg.setModel(walletModel->getAddressTableModel());
 242     dlg.setTab(AddressBookDialog::SendingTab);
 243     dlg.exec();
 244 }
 245
 246 void BitcoinGUI::receiveCoinsClicked()
 247 {
 248     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 249     dlg.setModel(walletModel->getAddressTableModel());
 250     dlg.setTab(AddressBookDialog::ReceivingTab);
 251     dlg.exec();
 252 }
 253
 254 void BitcoinGUI::optionsClicked()
 255 {
 256     OptionsDialog dlg;
 257     dlg.setModel(clientModel->getOptionsModel());
 258     dlg.exec();
 259 }
 260
 261 void BitcoinGUI::aboutClicked()
 262 {
 263     AboutDialog dlg;
 264     dlg.setModel(clientModel);
 265     dlg.exec();
 266 }
 267
 268 void BitcoinGUI::setBalance(qint64 balance)
 269 {
 270     labelBalance->setText(GUIUtil::formatMoney(balance) + QString(" BTC"));
 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     labelBlocks->setText(tr("%n block(s)", "", count));
 305 }
 306
 307 void BitcoinGUI::setNumTransactions(int count)
 308 {
 309     labelTransactions->setText(tr("%n transaction(s)", "", count));
 310 }
 311
 312 void BitcoinGUI::error(const QString &title, const QString &message)
 313 {
 314     // Report errors from network/worker thread
 315     if(trayIcon->supportsMessages())
 316     {
 317         // Show as "balloon" message if possible
 318         trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
 319     }
 320     else
 321     {
 322         // Fall back to old fashioned popup dialog if not
 323         QMessageBox::critical(this, title,
 324             message,
 325             QMessageBox::Ok, QMessageBox::Ok);
 326     }
 327 }
 328
 329 void BitcoinGUI::changeEvent(QEvent *e)
 330 {
 331     if (e->type() == QEvent::WindowStateChange)
 332     {
 333         if(clientModel->getOptionsModel()->getMinimizeToTray())
 334         {
 335             if (isMinimized())
 336             {
 337                 hide();
 338                 e->ignore();
 339             }
 340             else
 341             {
 342                 e->accept();
 343             }
 344         }
 345     }
 346     QMainWindow::changeEvent(e);
 347 }
 348
 349 void BitcoinGUI::closeEvent(QCloseEvent *event)
 350 {
 351     if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 352        !clientModel->getOptionsModel()->getMinimizeOnClose())
 353     {
 354         qApp->quit();
 355     }
 356     QMainWindow::closeEvent(event);
 357 }
 358
 359 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 360 {
 361     QString strMessage =
 362         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 363           "which goes to the nodes that process your transaction and helps to support the network.  "
 364           "Do you want to pay the fee?").arg(GUIUtil::formatMoney(nFeeRequired));
 365     QMessageBox::StandardButton retval = QMessageBox::question(
 366           this, tr("Sending..."), strMessage,
 367           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 368     *payFee = (retval == QMessageBox::Yes);
 369 }
 370
 371 void BitcoinGUI::transactionDetails(const QModelIndex& idx)
 372 {
 373     // A transaction is doubleclicked
 374     TransactionDescDialog dlg(idx);
 375     dlg.exec();
 376 }
 377
 378 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 379 {
 380     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 381     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 382                     .data(Qt::EditRole).toULongLong();
 383     if(amount>0 && !clientModel->inInitialBlockDownload())
 384     {
 385         // On incoming transaction, make an info balloon
 386         // Unless the initial block download is in progress, to prevent balloon-spam
 387         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 388                         .data().toString();
 389         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 390                         .data().toString();
 391         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 392                         .data().toString();
 393
 394         trayIcon->showMessage(tr("Incoming transaction"),
 395                               tr("Date: ") + date + "\n" +
 396                               tr("Amount: ") + GUIUtil::formatMoney(amount, true) + "\n" +
 397                               tr("Type: ") + type + "\n" +
 398                               tr("Address: ") + address + "\n",
 399                               QSystemTrayIcon::Information);
 400     }
 401 }