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 "main.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"));
  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("Downloading initial data..."));
 131     progressBarLabel->setVisible(false);
 132     progressBar = new QProgressBar();
 133     progressBar->setToolTip(tr("Initial block chain download 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->setSelectionBehavior(QAbstractItemView::SelectRows);
 269         transaction_table->setSelectionMode(QAbstractItemView::ExtendedSelection);
 270         transaction_table->setSortingEnabled(true);
 271         transaction_table->sortByColumn(TransactionTableModel::Status, Qt::DescendingOrder);
 272         transaction_table->verticalHeader()->hide();
 273
 274         transaction_table->horizontalHeader()->resizeSection(
 275                 TransactionTableModel::Status, 23);
 276         transaction_table->horizontalHeader()->resizeSection(
 277                 TransactionTableModel::Date, 120);
 278         transaction_table->horizontalHeader()->setResizeMode(
 279                 TransactionTableModel::Description, QHeaderView::Stretch);
 280         transaction_table->horizontalHeader()->resizeSection(
 281                 TransactionTableModel::Debit, 79);
 282         transaction_table->horizontalHeader()->resizeSection(
 283                 TransactionTableModel::Credit, 79);
 284     }
 285
 286     connect(transaction_model, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
 287             this, SLOT(incomingTransaction(const QModelIndex &, int, int)));
 288 }
 289
 290 void BitcoinGUI::sendcoinsClicked()
 291 {
 292     SendCoinsDialog dlg;
 293     dlg.setModel(model);
 294     dlg.exec();
 295 }
 296
 297 void BitcoinGUI::addressbookClicked()
 298 {
 299     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 300     dlg.setModel(model->getAddressTableModel());
 301     dlg.setTab(AddressBookDialog::SendingTab);
 302     dlg.exec();
 303 }
 304
 305 void BitcoinGUI::receivingAddressesClicked()
 306 {
 307     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 308     dlg.setModel(model->getAddressTableModel());
 309     dlg.setTab(AddressBookDialog::ReceivingTab);
 310     dlg.exec();
 311 }
 312
 313 void BitcoinGUI::optionsClicked()
 314 {
 315     OptionsDialog dlg;
 316     dlg.setModel(model->getOptionsModel());
 317     dlg.exec();
 318 }
 319
 320 void BitcoinGUI::aboutClicked()
 321 {
 322     AboutDialog dlg;
 323     dlg.exec();
 324 }
 325
 326 void BitcoinGUI::newAddressClicked()
 327 {
 328     EditAddressDialog dlg(EditAddressDialog::NewReceivingAddress);
 329     dlg.setModel(model->getAddressTableModel());
 330     if(dlg.exec())
 331     {
 332         QString newAddress = dlg.saveCurrentRow();
 333     }
 334 }
 335
 336 void BitcoinGUI::copyClipboardClicked()
 337 {
 338     // Copy text in address to clipboard
 339     QApplication::clipboard()->setText(address->text());
 340 }
 341
 342 void BitcoinGUI::setBalance(qint64 balance)
 343 {
 344     labelBalance->setText(QString::fromStdString(FormatMoney(balance)));
 345 }
 346
 347 void BitcoinGUI::setAddress(const QString &addr)
 348 {
 349     address->setText(addr);
 350 }
 351
 352 void BitcoinGUI::setNumConnections(int count)
 353 {
 354     QString icon;
 355     switch(count)
 356     {
 357     case 0: icon = ":/icons/connect_0"; break;
 358     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 359     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 360     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 361     default: icon = ":/icons/connect_4"; break;
 362     }
 363     labelConnections->setTextFormat(Qt::RichText);
 364     labelConnections->setText("<img src=\""+icon+"\"> " + tr("%n connection(s)", "", count));
 365 }
 366
 367 void BitcoinGUI::setNumBlocks(int count)
 368 {
 369     int total = model->getTotalBlocksEstimate();
 370     if(count < total)
 371     {
 372         progressBarLabel->setVisible(true);
 373         progressBar->setVisible(true);
 374         progressBar->setMaximum(total);
 375         progressBar->setValue(count);
 376     }
 377     else
 378     {
 379         progressBarLabel->setVisible(false);
 380         progressBar->setVisible(false);
 381     }
 382
 383     labelBlocks->setText(tr("%n block(s)", "", count));
 384 }
 385
 386 void BitcoinGUI::setNumTransactions(int count)
 387 {
 388     labelTransactions->setText(tr("%n transaction(s)", "", count));
 389 }
 390
 391 void BitcoinGUI::error(const QString &title, const QString &message)
 392 {
 393     // Report errors from network/worker thread
 394     if(trayIcon->supportsMessages())
 395     {
 396         // Show as "balloon" message if possible
 397         trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
 398     }
 399     else
 400     {
 401         // Fall back to old fashioned popup dialog if not
 402         QMessageBox::critical(this, title,
 403             message,
 404             QMessageBox::Ok, QMessageBox::Ok);
 405     }
 406 }
 407
 408 void BitcoinGUI::changeEvent(QEvent *e)
 409 {
 410     if (e->type() == QEvent::WindowStateChange)
 411     {
 412         if(model->getOptionsModel()->getMinimizeToTray())
 413         {
 414             if (isMinimized())
 415             {
 416                 hide();
 417                 e->ignore();
 418             }
 419             else
 420             {
 421                 e->accept();
 422             }
 423         }
 424     }
 425     QMainWindow::changeEvent(e);
 426 }
 427
 428 void BitcoinGUI::closeEvent(QCloseEvent *event)
 429 {
 430     if(!model->getOptionsModel()->getMinimizeToTray() &&
 431        !model->getOptionsModel()->getMinimizeOnClose())
 432     {
 433         qApp->quit();
 434     }
 435     QMainWindow::closeEvent(event);
 436 }
 437
 438 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 439 {
 440     QString strMessage =
 441         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 442           "which goes to the nodes that process your transaction and helps to support the network.  "
 443           "Do you want to pay the fee?").arg(QString::fromStdString(FormatMoney(nFeeRequired)));
 444     QMessageBox::StandardButton retval = QMessageBox::question(
 445           this, tr("Sending..."), strMessage,
 446           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 447     *payFee = (retval == QMessageBox::Yes);
 448 }
 449
 450 void BitcoinGUI::transactionDetails(const QModelIndex& idx)
 451 {
 452     // A transaction is doubleclicked
 453     TransactionDescDialog dlg(idx);
 454     dlg.exec();
 455 }
 456
 457 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 458 {
 459     TransactionTableModel *ttm = model->getTransactionTableModel();
 460     qint64 credit = ttm->index(start, TransactionTableModel::Credit, parent)
 461                     .data(Qt::EditRole).toULongLong();
 462     qint64 debit = ttm->index(start, TransactionTableModel::Debit, parent)
 463                     .data(Qt::EditRole).toULongLong();
 464     if((credit+debit)>0 && !model->inInitialBlockDownload())
 465     {
 466         // On incoming transaction, make an info balloon
 467         // Unless the initial block download is in progress, to prevent balloon-spam
 468         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 469                         .data().toString();
 470         QString description = ttm->index(start, TransactionTableModel::Description, parent)
 471                         .data().toString();
 472
 473         trayIcon->showMessage(tr("Incoming transaction"),
 474                               "Date: " + date + "\n" +
 475                               "Amount: " + QString::fromStdString(FormatMoney(credit+debit, true)) + "\n" +
 476                               description,
 477                               QSystemTrayIcon::Information);
 478     }
 479 }