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 "guiutil.h"
  14 #include "editaddressdialog.h"
  15 #include "optionsmodel.h"
  16 #include "transactiondescdialog.h"
  17 #include "addresstablemodel.h"
  18
  19 #include "headers.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 <QTableView>
  33 #include <QLineEdit>
  34 #include <QPushButton>
  35 #include <QHeaderView>
  36 #include <QLocale>
  37 #include <QSortFilterProxyModel>
  38 #include <QClipboard>
  39 #include <QMessageBox>
  40 #include <QProgressBar>
  41
  42 #include <QDebug>
  43
  44 #include <iostream>
  45
  46 BitcoinGUI::BitcoinGUI(QWidget *parent):
  47     QMainWindow(parent), 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
  74     // Address: <address>: New... : Paste to clipboard
  75     QHBoxLayout *hbox_address = new QHBoxLayout();
  76     hbox_address->addWidget(new QLabel(tr("Your Bitcoin address:")));
  77     address = new QLineEdit();
  78     address->setReadOnly(true);
  79     address->setFont(GUIUtil::bitcoinAddressFont());
  80     address->setToolTip(tr("Your current default receiving address"));
  81     hbox_address->addWidget(address);
  82
  83     QPushButton *button_new = new QPushButton(tr("&New..."));
  84     button_new->setToolTip(tr("Create new receiving address"));
  85     button_new->setIcon(QIcon(":/icons/add"));
  86     QPushButton *button_clipboard = new QPushButton(tr("&Copy to clipboard"));
  87     button_clipboard->setToolTip(tr("Copy current receiving address to the system clipboard"));
  88     button_clipboard->setIcon(QIcon(":/icons/editcopy"));
  89     hbox_address->addWidget(button_new);
  90     hbox_address->addWidget(button_clipboard);
  91
  92     // Balance: <balance>
  93     QHBoxLayout *hbox_balance = new QHBoxLayout();
  94     hbox_balance->addWidget(new QLabel(tr("Balance:")));
  95     hbox_balance->addSpacing(5);/* Add some spacing between the label and the text */
  96
  97     labelBalance = new QLabel();
  98     labelBalance->setFont(QFont("Monospace", -1, QFont::Bold));
  99     labelBalance->setToolTip(tr("Your current balance"));
 100     hbox_balance->addWidget(labelBalance);
 101     hbox_balance->addStretch(1);
 102
 103     QVBoxLayout *vbox = new QVBoxLayout();
 104     vbox->addLayout(hbox_address);
 105     vbox->addLayout(hbox_balance);
 106
 107     vbox->addWidget(createTabs());
 108
 109     QWidget *centralwidget = new QWidget(this);
 110     centralwidget->setLayout(vbox);
 111     setCentralWidget(centralwidget);
 112
 113     // Create status bar
 114     statusBar();
 115
 116     labelConnections = new QLabel();
 117     labelConnections->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 118     labelConnections->setMinimumWidth(150);
 119     labelConnections->setToolTip(tr("Number of connections to other clients"));
 120
 121     labelBlocks = new QLabel();
 122     labelBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 123     labelBlocks->setMinimumWidth(130);
 124     labelBlocks->setToolTip(tr("Number of blocks in the block chain"));
 125
 126     labelTransactions = new QLabel();
 127     labelTransactions->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 128     labelTransactions->setMinimumWidth(130);
 129     labelTransactions->setToolTip(tr("Number of transactions in your wallet"));
 130
 131     // Progress bar for blocks download
 132     progressBarLabel = new QLabel(tr("Synchronizing with network..."));
 133     progressBarLabel->setVisible(false);
 134     progressBar = new QProgressBar();
 135     progressBar->setToolTip(tr("Block chain synchronization in progress"));
 136     progressBar->setVisible(false);
 137
 138     statusBar()->addWidget(progressBarLabel);
 139     statusBar()->addWidget(progressBar);
 140     statusBar()->addPermanentWidget(labelConnections);
 141     statusBar()->addPermanentWidget(labelBlocks);
 142     statusBar()->addPermanentWidget(labelTransactions);
 143
 144     // Action bindings
 145     connect(button_new, SIGNAL(clicked()), this, SLOT(newAddressClicked()));
 146     connect(button_clipboard, SIGNAL(clicked()), this, SLOT(copyClipboardClicked()));
 147
 148     createTrayIcon();
 149 }
 150
 151 void BitcoinGUI::createActions()
 152 {
 153     quit = new QAction(QIcon(":/icons/quit"), tr("&Exit"), this);
 154     quit->setToolTip(tr("Quit application"));
 155     sendcoins = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 156     sendcoins->setToolTip(tr("Send coins to a bitcoin address"));
 157     addressbook = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 158     addressbook->setToolTip(tr("Edit the list of stored addresses and labels"));
 159     about = new QAction(QIcon(":/icons/bitcoin"), tr("&About"), this);
 160     about->setToolTip(tr("Show information about Bitcoin"));
 161     receivingAddresses = new QAction(QIcon(":/icons/receiving_addresses"), tr("Your &Receiving Addresses..."), this);
 162     receivingAddresses->setToolTip(tr("Show the list of receiving addresses and edit their labels"));
 163     options = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 164     options->setToolTip(tr("Modify configuration options for bitcoin"));
 165     openBitcoin = new QAction(QIcon(":/icons/bitcoin"), "Open &Bitcoin", this);
 166     openBitcoin->setToolTip(tr("Show the Bitcoin window"));
 167
 168     connect(quit, SIGNAL(triggered()), qApp, SLOT(quit()));
 169     connect(sendcoins, SIGNAL(triggered()), this, SLOT(sendcoinsClicked()));
 170     connect(addressbook, SIGNAL(triggered()), this, SLOT(addressbookClicked()));
 171     connect(receivingAddresses, SIGNAL(triggered()), this, SLOT(receivingAddressesClicked()));
 172     connect(options, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 173     connect(about, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 174     connect(openBitcoin, SIGNAL(triggered()), this, SLOT(show()));
 175 }
 176
 177 void BitcoinGUI::setModel(ClientModel *model)
 178 {
 179     this->model = model;
 180
 181     // Keep up to date with client
 182     setBalance(model->getBalance());
 183     connect(model, SIGNAL(balanceChanged(qint64)), this, SLOT(setBalance(qint64)));
 184
 185     setNumConnections(model->getNumConnections());
 186     connect(model, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 187
 188     setNumTransactions(model->getNumTransactions());
 189     connect(model, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
 190
 191     setNumBlocks(model->getNumBlocks());
 192     connect(model, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 193
 194     setAddress(model->getAddressTableModel()->getDefaultAddress());
 195     connect(model->getAddressTableModel(), SIGNAL(defaultAddressChanged(QString)), this, SLOT(setAddress(QString)));
 196
 197     // Report errors from network/worker thread
 198     connect(model, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 199
 200     // Put transaction list in tabs
 201     setTabsModel(model->getTransactionTableModel());
 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->setIcon(QIcon(":/icons/toolbar"));
 216     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 217             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 218     trayIcon->show();
 219 }
 220
 221 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 222 {
 223     if(reason == QSystemTrayIcon::DoubleClick)
 224     {
 225         // Doubleclick on system tray icon triggers "open bitcoin"
 226         openBitcoin->trigger();
 227     }
 228 }
 229
 230 QWidget *BitcoinGUI::createTabs()
 231 {
 232     QStringList tab_labels;
 233     tab_labels  << tr("All transactions")
 234                 << tr("Sent/Received")
 235                 << tr("Sent")
 236                 << tr("Received");
 237
 238     QTabWidget *tabs = new QTabWidget(this);
 239     for(int i = 0; i < tab_labels.size(); ++i)
 240     {
 241         QTableView *view = new QTableView(this);
 242         tabs->addTab(view, tab_labels.at(i));
 243
 244         connect(view, SIGNAL(doubleClicked(const QModelIndex&)), this, SLOT(transactionDetails(const QModelIndex&)));
 245         transactionViews.append(view);
 246     }
 247
 248     return tabs;
 249 }
 250
 251 void BitcoinGUI::setTabsModel(QAbstractItemModel *transaction_model)
 252 {
 253     QStringList tab_filters;
 254     tab_filters << "^."
 255             << "^["+TransactionTableModel::Sent+TransactionTableModel::Received+"]"
 256             << "^["+TransactionTableModel::Sent+"]"
 257             << "^["+TransactionTableModel::Received+"]";
 258
 259     for(int i = 0; i < transactionViews.size(); ++i)
 260     {
 261         QSortFilterProxyModel *proxy_model = new QSortFilterProxyModel(this);
 262         proxy_model->setSourceModel(transaction_model);
 263         proxy_model->setDynamicSortFilter(true);
 264         proxy_model->setFilterRole(TransactionTableModel::TypeRole);
 265         proxy_model->setFilterRegExp(QRegExp(tab_filters.at(i)));
 266         proxy_model->setSortRole(Qt::EditRole);
 267
 268         QTableView *transaction_table = transactionViews.at(i);
 269         transaction_table->setModel(proxy_model);
 270         transaction_table->setAlternatingRowColors(true);
 271         transaction_table->setSelectionBehavior(QAbstractItemView::SelectRows);
 272         transaction_table->setSelectionMode(QAbstractItemView::ExtendedSelection);
 273         transaction_table->setSortingEnabled(true);
 274         transaction_table->sortByColumn(TransactionTableModel::Status, Qt::DescendingOrder);
 275         transaction_table->verticalHeader()->hide();
 276
 277         transaction_table->horizontalHeader()->resizeSection(
 278                 TransactionTableModel::Status, 23);
 279         transaction_table->horizontalHeader()->resizeSection(
 280                 TransactionTableModel::Date, 120);
 281         transaction_table->horizontalHeader()->resizeSection(
 282                 TransactionTableModel::Type, 120);
 283         transaction_table->horizontalHeader()->setResizeMode(
 284                 TransactionTableModel::ToAddress, QHeaderView::Stretch);
 285         transaction_table->horizontalHeader()->resizeSection(
 286                 TransactionTableModel::Amount, 79);
 287     }
 288
 289     connect(transaction_model, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
 290             this, SLOT(incomingTransaction(const QModelIndex &, int, int)));
 291 }
 292
 293 void BitcoinGUI::sendcoinsClicked()
 294 {
 295     SendCoinsDialog dlg;
 296     dlg.setModel(model);
 297     dlg.exec();
 298 }
 299
 300 void BitcoinGUI::addressbookClicked()
 301 {
 302     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 303     dlg.setModel(model->getAddressTableModel());
 304     dlg.setTab(AddressBookDialog::SendingTab);
 305     dlg.exec();
 306 }
 307
 308 void BitcoinGUI::receivingAddressesClicked()
 309 {
 310     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 311     dlg.setModel(model->getAddressTableModel());
 312     dlg.setTab(AddressBookDialog::ReceivingTab);
 313     dlg.exec();
 314 }
 315
 316 void BitcoinGUI::optionsClicked()
 317 {
 318     OptionsDialog dlg;
 319     dlg.setModel(model->getOptionsModel());
 320     dlg.exec();
 321 }
 322
 323 void BitcoinGUI::aboutClicked()
 324 {
 325     AboutDialog dlg;
 326     dlg.exec();
 327 }
 328
 329 void BitcoinGUI::newAddressClicked()
 330 {
 331     EditAddressDialog dlg(EditAddressDialog::NewReceivingAddress);
 332     dlg.setModel(model->getAddressTableModel());
 333     if(dlg.exec())
 334     {
 335         QString newAddress = dlg.saveCurrentRow();
 336     }
 337 }
 338
 339 void BitcoinGUI::copyClipboardClicked()
 340 {
 341     // Copy text in address to clipboard
 342     QApplication::clipboard()->setText(address->text());
 343 }
 344
 345 void BitcoinGUI::setBalance(qint64 balance)
 346 {
 347     labelBalance->setText(QString::fromStdString(FormatMoney(balance)) + QString(" BTC"));
 348 }
 349
 350 void BitcoinGUI::setAddress(const QString &addr)
 351 {
 352     address->setText(addr);
 353 }
 354
 355 void BitcoinGUI::setNumConnections(int count)
 356 {
 357     QString icon;
 358     switch(count)
 359     {
 360     case 0: icon = ":/icons/connect_0"; break;
 361     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 362     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 363     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 364     default: icon = ":/icons/connect_4"; break;
 365     }
 366     labelConnections->setTextFormat(Qt::RichText);
 367     labelConnections->setText("<img src=\""+icon+"\"> " + tr("%n connection(s)", "", count));
 368 }
 369
 370 void BitcoinGUI::setNumBlocks(int count)
 371 {
 372     int total = model->getTotalBlocksEstimate();
 373     if(count < total)
 374     {
 375         progressBarLabel->setVisible(true);
 376         progressBar->setVisible(true);
 377         progressBar->setMaximum(total);
 378         progressBar->setValue(count);
 379     }
 380     else
 381     {
 382         progressBarLabel->setVisible(false);
 383         progressBar->setVisible(false);
 384     }
 385
 386     labelBlocks->setText(tr("%n block(s)", "", count));
 387 }
 388
 389 void BitcoinGUI::setNumTransactions(int count)
 390 {
 391     labelTransactions->setText(tr("%n transaction(s)", "", count));
 392 }
 393
 394 void BitcoinGUI::error(const QString &title, const QString &message)
 395 {
 396     // Report errors from network/worker thread
 397     if(trayIcon->supportsMessages())
 398     {
 399         // Show as "balloon" message if possible
 400         trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
 401     }
 402     else
 403     {
 404         // Fall back to old fashioned popup dialog if not
 405         QMessageBox::critical(this, title,
 406             message,
 407             QMessageBox::Ok, QMessageBox::Ok);
 408     }
 409 }
 410
 411 void BitcoinGUI::changeEvent(QEvent *e)
 412 {
 413     if (e->type() == QEvent::WindowStateChange)
 414     {
 415         if(model->getOptionsModel()->getMinimizeToTray())
 416         {
 417             if (isMinimized())
 418             {
 419                 hide();
 420                 e->ignore();
 421             }
 422             else
 423             {
 424                 e->accept();
 425             }
 426         }
 427     }
 428     QMainWindow::changeEvent(e);
 429 }
 430
 431 void BitcoinGUI::closeEvent(QCloseEvent *event)
 432 {
 433     if(!model->getOptionsModel()->getMinimizeToTray() &&
 434        !model->getOptionsModel()->getMinimizeOnClose())
 435     {
 436         qApp->quit();
 437     }
 438     QMainWindow::closeEvent(event);
 439 }
 440
 441 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 442 {
 443     QString strMessage =
 444         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 445           "which goes to the nodes that process your transaction and helps to support the network.  "
 446           "Do you want to pay the fee?").arg(QString::fromStdString(FormatMoney(nFeeRequired)));
 447     QMessageBox::StandardButton retval = QMessageBox::question(
 448           this, tr("Sending..."), strMessage,
 449           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 450     *payFee = (retval == QMessageBox::Yes);
 451 }
 452
 453 void BitcoinGUI::transactionDetails(const QModelIndex& idx)
 454 {
 455     // A transaction is doubleclicked
 456     TransactionDescDialog dlg(idx);
 457     dlg.exec();
 458 }
 459
 460 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 461 {
 462     TransactionTableModel *ttm = model->getTransactionTableModel();
 463     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 464                     .data(Qt::EditRole).toULongLong();
 465     if(amount>0 && !model->inInitialBlockDownload())
 466     {
 467         // On incoming transaction, make an info balloon
 468         // Unless the initial block download is in progress, to prevent balloon-spam
 469         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 470                         .data().toString();
 471         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 472                         .data().toString();
 473         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 474                         .data().toString();
 475
 476         trayIcon->showMessage(tr("Incoming transaction"),
 477                               tr("Date: ") + date + "\n" +
 478                               tr("Amount: ") + QString::fromStdString(FormatMoney(amount, true)) + "\n" +
 479                               tr("Type: ") + type + "\n" +
 480                               tr("Address: ") + address + "\n",
 481                               QSystemTrayIcon::Information);
 482     }
 483 }