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
  18 #include "main.h"
  19
  20 #include <QApplication>
  21 #include <QMainWindow>
  22 #include <QMenuBar>
  23 #include <QMenu>
  24 #include <QIcon>
  25 #include <QTabWidget>
  26 #include <QVBoxLayout>
  27 #include <QWidget>
  28 #include <QToolBar>
  29 #include <QStatusBar>
  30 #include <QLabel>
  31 #include <QTableView>
  32 #include <QLineEdit>
  33 #include <QPushButton>
  34 #include <QHeaderView>
  35 #include <QLocale>
  36 #include <QSortFilterProxyModel>
  37 #include <QClipboard>
  38 #include <QMessageBox>
  39 #include <QProgressBar>
  40
  41 #include <QDebug>
  42
  43 #include <iostream>
  44
  45 BitcoinGUI::BitcoinGUI(QWidget *parent):
  46     QMainWindow(parent), trayIcon(0)
  47 {
  48     resize(850, 550);
  49     setWindowTitle(tr("Bitcoin"));
  50     setWindowIcon(QIcon(":icons/bitcoin"));
  51
  52     createActions();
  53
  54     // Menus
  55     QMenu *file = menuBar()->addMenu("&File");
  56     file->addAction(sendcoins);
  57     file->addSeparator();
  58     file->addAction(quit);
  59
  60     QMenu *settings = menuBar()->addMenu("&Settings");
  61     settings->addAction(receivingAddresses);
  62     settings->addAction(options);
  63
  64     QMenu *help = menuBar()->addMenu("&Help");
  65     help->addAction(about);
  66
  67     // Toolbar
  68     QToolBar *toolbar = addToolBar("Main toolbar");
  69     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  70     toolbar->addAction(sendcoins);
  71     toolbar->addAction(addressbook);
  72
  73     // Address: <address>: New... : Paste to clipboard
  74     QHBoxLayout *hbox_address = new QHBoxLayout();
  75     hbox_address->addWidget(new QLabel(tr("Your Bitcoin address:")));
  76     address = new QLineEdit();
  77     address->setReadOnly(true);
  78     address->setFont(GUIUtil::bitcoinAddressFont());
  79     address->setToolTip(tr("Your current default receiving address"));
  80     hbox_address->addWidget(address);
  81
  82     QPushButton *button_new = new QPushButton(tr("&New..."));
  83     button_new->setToolTip(tr("Create new receiving address"));
  84     QPushButton *button_clipboard = new QPushButton(tr("&Copy to clipboard"));
  85     button_clipboard->setToolTip(tr("Copy current receiving address to the system clipboard"));
  86     hbox_address->addWidget(button_new);
  87     hbox_address->addWidget(button_clipboard);
  88
  89     // Balance: <balance>
  90     QHBoxLayout *hbox_balance = new QHBoxLayout();
  91     hbox_balance->addWidget(new QLabel(tr("Balance:")));
  92     hbox_balance->addSpacing(5);/* Add some spacing between the label and the text */
  93
  94     labelBalance = new QLabel();
  95     labelBalance->setFont(QFont("Monospace"));
  96     labelBalance->setToolTip(tr("Your current balance"));
  97     hbox_balance->addWidget(labelBalance);
  98     hbox_balance->addStretch(1);
  99
 100     QVBoxLayout *vbox = new QVBoxLayout();
 101     vbox->addLayout(hbox_address);
 102     vbox->addLayout(hbox_balance);
 103
 104     vbox->addWidget(createTabs());
 105
 106     QWidget *centralwidget = new QWidget(this);
 107     centralwidget->setLayout(vbox);
 108     setCentralWidget(centralwidget);
 109
 110     // Create status bar
 111     statusBar();
 112
 113     labelConnections = new QLabel();
 114     labelConnections->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 115     labelConnections->setMinimumWidth(150);
 116     labelConnections->setToolTip(tr("Number of connections to other clients"));
 117
 118     labelBlocks = new QLabel();
 119     labelBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 120     labelBlocks->setMinimumWidth(130);
 121     labelBlocks->setToolTip(tr("Number of blocks in the block chain"));
 122
 123     labelTransactions = new QLabel();
 124     labelTransactions->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 125     labelTransactions->setMinimumWidth(130);
 126     labelTransactions->setToolTip(tr("Number of transactions in your wallet"));
 127
 128     // Progress bar for blocks download
 129     progressBarLabel = new QLabel(tr("Downloading initial data..."));
 130     progressBarLabel->setVisible(false);
 131     progressBar = new QProgressBar();
 132     progressBar->setToolTip(tr("Initial block chain download in progress"));
 133     progressBar->setVisible(false);
 134
 135     statusBar()->addWidget(progressBarLabel);
 136     statusBar()->addWidget(progressBar);
 137     statusBar()->addPermanentWidget(labelConnections);
 138     statusBar()->addPermanentWidget(labelBlocks);
 139     statusBar()->addPermanentWidget(labelTransactions);
 140
 141     // Action bindings
 142     connect(button_new, SIGNAL(clicked()), this, SLOT(newAddressClicked()));
 143     connect(button_clipboard, SIGNAL(clicked()), this, SLOT(copyClipboardClicked()));
 144
 145     createTrayIcon();
 146 }
 147
 148 void BitcoinGUI::createActions()
 149 {
 150     quit = new QAction(QIcon(":/icons/quit"), tr("&Exit"), this);
 151     quit->setToolTip(tr("Quit application"));
 152     sendcoins = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 153     sendcoins->setToolTip(tr("Send coins to a bitcoin address"));
 154     addressbook = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 155     addressbook->setToolTip(tr("Edit the list of stored addresses and labels"));
 156     about = new QAction(QIcon(":/icons/bitcoin"), tr("&About"), this);
 157     about->setToolTip(tr("Show information about Bitcoin"));
 158     receivingAddresses = new QAction(QIcon(":/icons/receiving_addresses"), tr("Your &Receiving Addresses..."), this);
 159     receivingAddresses->setToolTip(tr("Show the list of receiving addresses and edit their labels"));
 160     options = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 161     options->setToolTip(tr("Modify configuration options for bitcoin"));
 162     openBitcoin = new QAction(QIcon(":/icons/bitcoin"), "Open &Bitcoin", this);
 163     openBitcoin->setToolTip(tr("Show the Bitcoin window"));
 164
 165     connect(quit, SIGNAL(triggered()), qApp, SLOT(quit()));
 166     connect(sendcoins, SIGNAL(triggered()), this, SLOT(sendcoinsClicked()));
 167     connect(addressbook, SIGNAL(triggered()), this, SLOT(addressbookClicked()));
 168     connect(receivingAddresses, SIGNAL(triggered()), this, SLOT(receivingAddressesClicked()));
 169     connect(options, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 170     connect(about, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 171     connect(openBitcoin, SIGNAL(triggered()), this, SLOT(show()));
 172 }
 173
 174 void BitcoinGUI::setModel(ClientModel *model)
 175 {
 176     this->model = model;
 177
 178     // Keep up to date with client
 179     setBalance(model->getBalance());
 180     connect(model, SIGNAL(balanceChanged(qint64)), this, SLOT(setBalance(qint64)));
 181
 182     setNumConnections(model->getNumConnections());
 183     connect(model, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 184
 185     setNumTransactions(model->getNumTransactions());
 186     connect(model, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
 187
 188     setNumBlocks(model->getNumBlocks());
 189     connect(model, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 190
 191     setAddress(model->getAddress());
 192     connect(model, SIGNAL(addressChanged(QString)), this, SLOT(setAddress(QString)));
 193
 194     // Report errors from network/worker thread
 195     connect(model, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 196
 197     // Put transaction list in tabs
 198     setTabsModel(model->getTransactionTableModel());
 199 }
 200
 201 void BitcoinGUI::createTrayIcon()
 202 {
 203     QMenu *trayIconMenu = new QMenu(this);
 204     trayIconMenu->addAction(openBitcoin);
 205     trayIconMenu->addAction(sendcoins);
 206     trayIconMenu->addAction(options);
 207     trayIconMenu->addSeparator();
 208     trayIconMenu->addAction(quit);
 209
 210     trayIcon = new QSystemTrayIcon(this);
 211     trayIcon->setContextMenu(trayIconMenu);
 212     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 213     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 214             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 215     trayIcon->show();
 216 }
 217
 218 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 219 {
 220     if(reason == QSystemTrayIcon::DoubleClick)
 221     {
 222         // Doubleclick on system tray icon triggers "open bitcoin"
 223         openBitcoin->trigger();
 224     }
 225 }
 226
 227 QWidget *BitcoinGUI::createTabs()
 228 {
 229     QStringList tab_labels;
 230     tab_labels  << tr("All transactions")
 231                 << tr("Sent/Received")
 232                 << tr("Sent")
 233                 << tr("Received");
 234
 235     QTabWidget *tabs = new QTabWidget(this);
 236     for(int i = 0; i < tab_labels.size(); ++i)
 237     {
 238         QTableView *view = new QTableView(this);
 239         tabs->addTab(view, tab_labels.at(i));
 240
 241         connect(view, SIGNAL(doubleClicked(const QModelIndex&)), this, SLOT(transactionDetails(const QModelIndex&)));
 242         transactionViews.append(view);
 243     }
 244
 245     return tabs;
 246 }
 247
 248 void BitcoinGUI::setTabsModel(QAbstractItemModel *transaction_model)
 249 {
 250     QStringList tab_filters;
 251     tab_filters << "^."
 252             << "^["+TransactionTableModel::Sent+TransactionTableModel::Received+"]"
 253             << "^["+TransactionTableModel::Sent+"]"
 254             << "^["+TransactionTableModel::Received+"]";
 255
 256     for(int i = 0; i < transactionViews.size(); ++i)
 257     {
 258         QSortFilterProxyModel *proxy_model = new QSortFilterProxyModel(this);
 259         proxy_model->setSourceModel(transaction_model);
 260         proxy_model->setDynamicSortFilter(true);
 261         proxy_model->setFilterRole(TransactionTableModel::TypeRole);
 262         proxy_model->setFilterRegExp(QRegExp(tab_filters.at(i)));
 263         proxy_model->setSortRole(Qt::EditRole);
 264
 265         QTableView *transaction_table = transactionViews.at(i);
 266         transaction_table->setModel(proxy_model);
 267         transaction_table->setSelectionBehavior(QAbstractItemView::SelectRows);
 268         transaction_table->setSelectionMode(QAbstractItemView::ExtendedSelection);
 269         transaction_table->setSortingEnabled(true);
 270         transaction_table->sortByColumn(TransactionTableModel::Status, Qt::DescendingOrder);
 271         transaction_table->verticalHeader()->hide();
 272
 273         transaction_table->horizontalHeader()->resizeSection(
 274                 TransactionTableModel::Status, 23);
 275         transaction_table->horizontalHeader()->resizeSection(
 276                 TransactionTableModel::Date, 120);
 277         transaction_table->horizontalHeader()->setResizeMode(
 278                 TransactionTableModel::Description, QHeaderView::Stretch);
 279         transaction_table->horizontalHeader()->resizeSection(
 280                 TransactionTableModel::Debit, 79);
 281         transaction_table->horizontalHeader()->resizeSection(
 282                 TransactionTableModel::Credit, 79);
 283     }
 284
 285     connect(transaction_model, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
 286             this, SLOT(incomingTransaction(const QModelIndex &, int, int)));
 287 }
 288
 289 void BitcoinGUI::sendcoinsClicked()
 290 {
 291     SendCoinsDialog dlg;
 292     dlg.setModel(model);
 293     dlg.exec();
 294 }
 295
 296 void BitcoinGUI::addressbookClicked()
 297 {
 298     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 299     dlg.setModel(model->getAddressTableModel());
 300     dlg.setTab(AddressBookDialog::SendingTab);
 301     dlg.exec();
 302 }
 303
 304 void BitcoinGUI::receivingAddressesClicked()
 305 {
 306     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 307     dlg.setModel(model->getAddressTableModel());
 308     dlg.setTab(AddressBookDialog::ReceivingTab);
 309     dlg.exec();
 310 }
 311
 312 void BitcoinGUI::optionsClicked()
 313 {
 314     OptionsDialog dlg;
 315     dlg.setModel(model->getOptionsModel());
 316     dlg.exec();
 317 }
 318
 319 void BitcoinGUI::aboutClicked()
 320 {
 321     AboutDialog dlg;
 322     dlg.exec();
 323 }
 324
 325 void BitcoinGUI::newAddressClicked()
 326 {
 327     EditAddressDialog dlg(EditAddressDialog::NewReceivingAddress);
 328     dlg.setModel(model->getAddressTableModel());
 329     if(dlg.exec())
 330     {
 331         QString newAddress = dlg.saveCurrentRow();
 332         // Set returned address as new default addres
 333         if(!newAddress.isEmpty())
 334         {
 335             model->setAddress(newAddress);
 336         }
 337     }
 338 }
 339
 340 void BitcoinGUI::copyClipboardClicked()
 341 {
 342     // Copy text in address to clipboard
 343     QApplication::clipboard()->setText(address->text());
 344 }
 345
 346 void BitcoinGUI::setBalance(qint64 balance)
 347 {
 348     labelBalance->setText(QString::fromStdString(FormatMoney(balance)));
 349 }
 350
 351 void BitcoinGUI::setAddress(const QString &addr)
 352 {
 353     address->setText(addr);
 354 }
 355
 356 void BitcoinGUI::setNumConnections(int count)
 357 {
 358     QString icon;
 359     switch(count)
 360     {
 361     case 0: icon = ":/icons/connect_0"; break;
 362     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 363     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 364     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 365     default: icon = ":/icons/connect_4"; break;
 366     }
 367     labelConnections->setTextFormat(Qt::RichText);
 368     labelConnections->setText("<img src=\""+icon+"\"> " + QLocale::system().toString(count)+" "+tr("connection(s)", "", count));
 369 }
 370
 371 void BitcoinGUI::setNumBlocks(int count)
 372 {
 373     int total = model->getTotalBlocksEstimate();
 374     if(count < total)
 375     {
 376         progressBarLabel->setVisible(true);
 377         progressBar->setVisible(true);
 378         progressBar->setMaximum(total);
 379         progressBar->setValue(count);
 380     }
 381     else
 382     {
 383         progressBarLabel->setVisible(false);
 384         progressBar->setVisible(false);
 385     }
 386
 387     labelBlocks->setText(QLocale::system().toString(count)+" "+tr("block(s)", "", count));
 388 }
 389
 390 void BitcoinGUI::setNumTransactions(int count)
 391 {
 392     labelTransactions->setText(QLocale::system().toString(count)+" "+tr("transaction(s)", "", count));
 393 }
 394
 395 void BitcoinGUI::error(const QString &title, const QString &message)
 396 {
 397     // Report errors from network/worker thread
 398     if(trayIcon->supportsMessages())
 399     {
 400         // Show as "balloon" message if possible
 401         trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
 402     }
 403     else
 404     {
 405         // Fall back to old fashioned popup dialog if not
 406         QMessageBox::critical(this, title,
 407             message,
 408             QMessageBox::Ok, QMessageBox::Ok);
 409     }
 410 }
 411
 412 void BitcoinGUI::changeEvent(QEvent *e)
 413 {
 414     if (e->type() == QEvent::WindowStateChange)
 415     {
 416         if(model->getOptionsModel()->getMinimizeToTray())
 417         {
 418             if (isMinimized())
 419             {
 420                 hide();
 421                 e->ignore();
 422             }
 423             else
 424             {
 425                 e->accept();
 426             }
 427         }
 428     }
 429     QMainWindow::changeEvent(e);
 430 }
 431
 432 void BitcoinGUI::closeEvent(QCloseEvent *event)
 433 {
 434     if(!model->getOptionsModel()->getMinimizeToTray() &&
 435        !model->getOptionsModel()->getMinimizeOnClose())
 436     {
 437         qApp->quit();
 438     }
 439     QMainWindow::closeEvent(event);
 440 }
 441
 442 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 443 {
 444     QString strMessage =
 445         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 446           "which goes to the nodes that process your transaction and helps to support the network.  "
 447           "Do you want to pay the fee?").arg(QString::fromStdString(FormatMoney(nFeeRequired)));
 448     QMessageBox::StandardButton retval = QMessageBox::question(
 449           this, tr("Sending..."), strMessage,
 450           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 451     *payFee = (retval == QMessageBox::Yes);
 452 }
 453
 454 void BitcoinGUI::transactionDetails(const QModelIndex& idx)
 455 {
 456     // A transaction is doubleclicked
 457     TransactionDescDialog dlg(idx);
 458     dlg.exec();
 459 }
 460
 461 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 462 {
 463     TransactionTableModel *ttm = model->getTransactionTableModel();
 464     qint64 credit = ttm->index(start, TransactionTableModel::Credit, parent)
 465                     .data(Qt::EditRole).toULongLong();
 466     qint64 debit = ttm->index(start, TransactionTableModel::Debit, parent)
 467                     .data(Qt::EditRole).toULongLong();
 468     if((credit+debit)>0 && !model->inInitialBlockDownload())
 469     {
 470         // On incoming transaction, make an info balloon
 471         // Unless the initial block download is in progress, to prevent balloon-spam
 472         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 473                         .data().toString();
 474         QString description = ttm->index(start, TransactionTableModel::Description, parent)
 475                         .data().toString();
 476
 477         trayIcon->showMessage(tr("Incoming transaction"),
 478                               "Date: " + date + "\n" +
 479                               "Amount: " + QString::fromStdString(FormatMoney(credit+debit, true)) + "\n" +
 480                               description,
 481                               QSystemTrayIcon::Information);
 482     }
 483 }