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     QPushButton *button_clipboard = new QPushButton(tr("&Copy to clipboard"));
  86     button_clipboard->setToolTip(tr("Copy current receiving address to the system clipboard"));
  87     hbox_address->addWidget(button_new);
  88     hbox_address->addWidget(button_clipboard);
  89
  90     // Balance: <balance>
  91     QHBoxLayout *hbox_balance = new QHBoxLayout();
  92     hbox_balance->addWidget(new QLabel(tr("Balance:")));
  93     hbox_balance->addSpacing(5);/* Add some spacing between the label and the text */
  94
  95     labelBalance = new QLabel();
  96     labelBalance->setFont(QFont("Monospace", -1, QFont::Bold));
  97     labelBalance->setToolTip(tr("Your current balance"));
  98     hbox_balance->addWidget(labelBalance);
  99     hbox_balance->addStretch(1);
 100
 101     QVBoxLayout *vbox = new QVBoxLayout();
 102     vbox->addLayout(hbox_address);
 103     vbox->addLayout(hbox_balance);
 104
 105     vbox->addWidget(createTabs());
 106
 107     QWidget *centralwidget = new QWidget(this);
 108     centralwidget->setLayout(vbox);
 109     setCentralWidget(centralwidget);
 110
 111     // Create status bar
 112     statusBar();
 113
 114     labelConnections = new QLabel();
 115     labelConnections->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 116     labelConnections->setMinimumWidth(150);
 117     labelConnections->setToolTip(tr("Number of connections to other clients"));
 118
 119     labelBlocks = new QLabel();
 120     labelBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 121     labelBlocks->setMinimumWidth(130);
 122     labelBlocks->setToolTip(tr("Number of blocks in the block chain"));
 123
 124     labelTransactions = new QLabel();
 125     labelTransactions->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 126     labelTransactions->setMinimumWidth(130);
 127     labelTransactions->setToolTip(tr("Number of transactions in your wallet"));
 128
 129     // Progress bar for blocks download
 130     progressBarLabel = new QLabel(tr("Synchronizing with network..."));
 131     progressBarLabel->setVisible(false);
 132     progressBar = new QProgressBar();
 133     progressBar->setToolTip(tr("Block chain synchronization in progress"));
 134     progressBar->setVisible(false);
 135
 136     statusBar()->addWidget(progressBarLabel);
 137     statusBar()->addWidget(progressBar);
 138     statusBar()->addPermanentWidget(labelConnections);
 139     statusBar()->addPermanentWidget(labelBlocks);
 140     statusBar()->addPermanentWidget(labelTransactions);
 141
 142     // Action bindings
 143     connect(button_new, SIGNAL(clicked()), this, SLOT(newAddressClicked()));
 144     connect(button_clipboard, SIGNAL(clicked()), this, SLOT(copyClipboardClicked()));
 145
 146     createTrayIcon();
 147 }
 148
 149 void BitcoinGUI::createActions()
 150 {
 151     quit = new QAction(QIcon(":/icons/quit"), tr("&Exit"), this);
 152     quit->setToolTip(tr("Quit application"));
 153     sendcoins = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 154     sendcoins->setToolTip(tr("Send coins to a bitcoin address"));
 155     addressbook = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 156     addressbook->setToolTip(tr("Edit the list of stored addresses and labels"));
 157     about = new QAction(QIcon(":/icons/bitcoin"), tr("&About"), this);
 158     about->setToolTip(tr("Show information about Bitcoin"));
 159     receivingAddresses = new QAction(QIcon(":/icons/receiving_addresses"), tr("Your &Receiving Addresses..."), this);
 160     receivingAddresses->setToolTip(tr("Show the list of receiving addresses and edit their labels"));
 161     options = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 162     options->setToolTip(tr("Modify configuration options for bitcoin"));
 163     openBitcoin = new QAction(QIcon(":/icons/bitcoin"), "Open &Bitcoin", this);
 164     openBitcoin->setToolTip(tr("Show the Bitcoin window"));
 165
 166     connect(quit, SIGNAL(triggered()), qApp, SLOT(quit()));
 167     connect(sendcoins, SIGNAL(triggered()), this, SLOT(sendcoinsClicked()));
 168     connect(addressbook, SIGNAL(triggered()), this, SLOT(addressbookClicked()));
 169     connect(receivingAddresses, SIGNAL(triggered()), this, SLOT(receivingAddressesClicked()));
 170     connect(options, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 171     connect(about, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 172     connect(openBitcoin, SIGNAL(triggered()), this, SLOT(show()));
 173 }
 174
 175 void BitcoinGUI::setModel(ClientModel *model)
 176 {
 177     this->model = model;
 178
 179     // Keep up to date with client
 180     setBalance(model->getBalance());
 181     connect(model, SIGNAL(balanceChanged(qint64)), this, SLOT(setBalance(qint64)));
 182
 183     setNumConnections(model->getNumConnections());
 184     connect(model, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 185
 186     setNumTransactions(model->getNumTransactions());
 187     connect(model, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
 188
 189     setNumBlocks(model->getNumBlocks());
 190     connect(model, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 191
 192     setAddress(model->getAddressTableModel()->getDefaultAddress());
 193     connect(model->getAddressTableModel(), SIGNAL(defaultAddressChanged(QString)), this, SLOT(setAddress(QString)));
 194
 195     // Report errors from network/worker thread
 196     connect(model, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 197
 198     // Put transaction list in tabs
 199     setTabsModel(model->getTransactionTableModel());
 200 }
 201
 202 void BitcoinGUI::createTrayIcon()
 203 {
 204     QMenu *trayIconMenu = new QMenu(this);
 205     trayIconMenu->addAction(openBitcoin);
 206     trayIconMenu->addAction(sendcoins);
 207     trayIconMenu->addAction(options);
 208     trayIconMenu->addSeparator();
 209     trayIconMenu->addAction(quit);
 210
 211     trayIcon = new QSystemTrayIcon(this);
 212     trayIcon->setContextMenu(trayIconMenu);
 213     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 214     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 215             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 216     trayIcon->show();
 217 }
 218
 219 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 220 {
 221     if(reason == QSystemTrayIcon::DoubleClick)
 222     {
 223         // Doubleclick on system tray icon triggers "open bitcoin"
 224         openBitcoin->trigger();
 225     }
 226 }
 227
 228 QWidget *BitcoinGUI::createTabs()
 229 {
 230     QStringList tab_labels;
 231     tab_labels  << tr("All transactions")
 232                 << tr("Sent/Received")
 233                 << tr("Sent")
 234                 << tr("Received");
 235
 236     QTabWidget *tabs = new QTabWidget(this);
 237     for(int i = 0; i < tab_labels.size(); ++i)
 238     {
 239         QTableView *view = new QTableView(this);
 240         tabs->addTab(view, tab_labels.at(i));
 241
 242         connect(view, SIGNAL(doubleClicked(const QModelIndex&)), this, SLOT(transactionDetails(const QModelIndex&)));
 243         transactionViews.append(view);
 244     }
 245
 246     return tabs;
 247 }
 248
 249 void BitcoinGUI::setTabsModel(QAbstractItemModel *transaction_model)
 250 {
 251     QStringList tab_filters;
 252     tab_filters << "^."
 253             << "^["+TransactionTableModel::Sent+TransactionTableModel::Received+"]"
 254             << "^["+TransactionTableModel::Sent+"]"
 255             << "^["+TransactionTableModel::Received+"]";
 256
 257     for(int i = 0; i < transactionViews.size(); ++i)
 258     {
 259         QSortFilterProxyModel *proxy_model = new QSortFilterProxyModel(this);
 260         proxy_model->setSourceModel(transaction_model);
 261         proxy_model->setDynamicSortFilter(true);
 262         proxy_model->setFilterRole(TransactionTableModel::TypeRole);
 263         proxy_model->setFilterRegExp(QRegExp(tab_filters.at(i)));
 264         proxy_model->setSortRole(Qt::EditRole);
 265
 266         QTableView *transaction_table = transactionViews.at(i);
 267         transaction_table->setModel(proxy_model);
 268         transaction_table->setAlternatingRowColors(true);
 269         transaction_table->setSelectionBehavior(QAbstractItemView::SelectRows);
 270         transaction_table->setSelectionMode(QAbstractItemView::ExtendedSelection);
 271         transaction_table->setSortingEnabled(true);
 272         transaction_table->sortByColumn(TransactionTableModel::Status, Qt::DescendingOrder);
 273         transaction_table->verticalHeader()->hide();
 274
 275         transaction_table->horizontalHeader()->resizeSection(
 276                 TransactionTableModel::Status, 23);
 277         transaction_table->horizontalHeader()->resizeSection(
 278                 TransactionTableModel::Date, 120);
 279         transaction_table->horizontalHeader()->resizeSection(
 280                 TransactionTableModel::Type, 120);
 281         transaction_table->horizontalHeader()->setResizeMode(
 282                 TransactionTableModel::ToAddress, QHeaderView::Stretch);
 283         transaction_table->horizontalHeader()->resizeSection(
 284                 TransactionTableModel::Amount, 79);
 285     }
 286
 287     connect(transaction_model, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
 288             this, SLOT(incomingTransaction(const QModelIndex &, int, int)));
 289 }
 290
 291 void BitcoinGUI::sendcoinsClicked()
 292 {
 293     SendCoinsDialog dlg;
 294     dlg.setModel(model);
 295     dlg.exec();
 296 }
 297
 298 void BitcoinGUI::addressbookClicked()
 299 {
 300     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 301     dlg.setModel(model->getAddressTableModel());
 302     dlg.setTab(AddressBookDialog::SendingTab);
 303     dlg.exec();
 304 }
 305
 306 void BitcoinGUI::receivingAddressesClicked()
 307 {
 308     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 309     dlg.setModel(model->getAddressTableModel());
 310     dlg.setTab(AddressBookDialog::ReceivingTab);
 311     dlg.exec();
 312 }
 313
 314 void BitcoinGUI::optionsClicked()
 315 {
 316     OptionsDialog dlg;
 317     dlg.setModel(model->getOptionsModel());
 318     dlg.exec();
 319 }
 320
 321 void BitcoinGUI::aboutClicked()
 322 {
 323     AboutDialog dlg;
 324     dlg.exec();
 325 }
 326
 327 void BitcoinGUI::newAddressClicked()
 328 {
 329     EditAddressDialog dlg(EditAddressDialog::NewReceivingAddress);
 330     dlg.setModel(model->getAddressTableModel());
 331     if(dlg.exec())
 332     {
 333         QString newAddress = dlg.saveCurrentRow();
 334     }
 335 }
 336
 337 void BitcoinGUI::copyClipboardClicked()
 338 {
 339     // Copy text in address to clipboard
 340     QApplication::clipboard()->setText(address->text());
 341 }
 342
 343 void BitcoinGUI::setBalance(qint64 balance)
 344 {
 345     labelBalance->setText(QString::fromStdString(FormatMoney(balance)));
 346 }
 347
 348 void BitcoinGUI::setAddress(const QString &addr)
 349 {
 350     address->setText(addr);
 351 }
 352
 353 void BitcoinGUI::setNumConnections(int count)
 354 {
 355     QString icon;
 356     switch(count)
 357     {
 358     case 0: icon = ":/icons/connect_0"; break;
 359     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 360     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 361     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 362     default: icon = ":/icons/connect_4"; break;
 363     }
 364     labelConnections->setTextFormat(Qt::RichText);
 365     labelConnections->setText("<img src=\""+icon+"\"> " + tr("%n connection(s)", "", count));
 366 }
 367
 368 void BitcoinGUI::setNumBlocks(int count)
 369 {
 370     int total = model->getTotalBlocksEstimate();
 371     if(count < total)
 372     {
 373         progressBarLabel->setVisible(true);
 374         progressBar->setVisible(true);
 375         progressBar->setMaximum(total);
 376         progressBar->setValue(count);
 377     }
 378     else
 379     {
 380         progressBarLabel->setVisible(false);
 381         progressBar->setVisible(false);
 382     }
 383
 384     labelBlocks->setText(tr("%n block(s)", "", count));
 385 }
 386
 387 void BitcoinGUI::setNumTransactions(int count)
 388 {
 389     labelTransactions->setText(tr("%n transaction(s)", "", count));
 390 }
 391
 392 void BitcoinGUI::error(const QString &title, const QString &message)
 393 {
 394     // Report errors from network/worker thread
 395     if(trayIcon->supportsMessages())
 396     {
 397         // Show as "balloon" message if possible
 398         trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
 399     }
 400     else
 401     {
 402         // Fall back to old fashioned popup dialog if not
 403         QMessageBox::critical(this, title,
 404             message,
 405             QMessageBox::Ok, QMessageBox::Ok);
 406     }
 407 }
 408
 409 void BitcoinGUI::changeEvent(QEvent *e)
 410 {
 411     if (e->type() == QEvent::WindowStateChange)
 412     {
 413         if(model->getOptionsModel()->getMinimizeToTray())
 414         {
 415             if (isMinimized())
 416             {
 417                 hide();
 418                 e->ignore();
 419             }
 420             else
 421             {
 422                 e->accept();
 423             }
 424         }
 425     }
 426     QMainWindow::changeEvent(e);
 427 }
 428
 429 void BitcoinGUI::closeEvent(QCloseEvent *event)
 430 {
 431     if(!model->getOptionsModel()->getMinimizeToTray() &&
 432        !model->getOptionsModel()->getMinimizeOnClose())
 433     {
 434         qApp->quit();
 435     }
 436     QMainWindow::closeEvent(event);
 437 }
 438
 439 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 440 {
 441     QString strMessage =
 442         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 443           "which goes to the nodes that process your transaction and helps to support the network.  "
 444           "Do you want to pay the fee?").arg(QString::fromStdString(FormatMoney(nFeeRequired)));
 445     QMessageBox::StandardButton retval = QMessageBox::question(
 446           this, tr("Sending..."), strMessage,
 447           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 448     *payFee = (retval == QMessageBox::Yes);
 449 }
 450
 451 void BitcoinGUI::transactionDetails(const QModelIndex& idx)
 452 {
 453     // A transaction is doubleclicked
 454     TransactionDescDialog dlg(idx);
 455     dlg.exec();
 456 }
 457
 458 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 459 {
 460     TransactionTableModel *ttm = model->getTransactionTableModel();
 461     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 462                     .data(Qt::EditRole).toULongLong();
 463     if(amount>0 && !model->inInitialBlockDownload())
 464     {
 465         // On incoming transaction, make an info balloon
 466         // Unless the initial block download is in progress, to prevent balloon-spam
 467         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 468                         .data().toString();
 469         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 470                         .data().toString();
 471         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 472                         .data().toString();
 473
 474         trayIcon->showMessage(tr("Incoming transaction"),
 475                               tr("Date: ") + date + "\n" +
 476                               tr("Amount: ") + QString::fromStdString(FormatMoney(amount, true)) + "\n" +
 477                               tr("Type: ") + type + "\n" +
 478                               tr("Address: ") + address + "\n",
 479                               QSystemTrayIcon::Information);
 480     }
 481 }