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
  40 #include <QDebug>
  41
  42 #include <iostream>
  43
  44 BitcoinGUI::BitcoinGUI(QWidget *parent):
  45     QMainWindow(parent), 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->addSeparator();
  57     file->addAction(quit);
  58
  59     QMenu *settings = menuBar()->addMenu("&Settings");
  60     settings->addAction(receivingAddresses);
  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(addressbook);
  71
  72     // Address: <address>: New... : Paste to clipboard
  73     QHBoxLayout *hbox_address = new QHBoxLayout();
  74     hbox_address->addWidget(new QLabel(tr("Your Bitcoin address:")));
  75     address = new QLineEdit();
  76     address->setReadOnly(true);
  77     address->setFont(GUIUtil::bitcoinAddressFont());
  78     address->setToolTip(tr("Your current default receiving address"));
  79     hbox_address->addWidget(address);
  80
  81     QPushButton *button_new = new QPushButton(tr("&New..."));
  82     button_new->setToolTip(tr("Create new receiving address"));
  83     QPushButton *button_clipboard = new QPushButton(tr("&Copy to clipboard"));
  84     button_clipboard->setToolTip(tr("Copy current receiving address to the system clipboard"));
  85     hbox_address->addWidget(button_new);
  86     hbox_address->addWidget(button_clipboard);
  87
  88     // Balance: <balance>
  89     QHBoxLayout *hbox_balance = new QHBoxLayout();
  90     hbox_balance->addWidget(new QLabel(tr("Balance:")));
  91     hbox_balance->addSpacing(5);/* Add some spacing between the label and the text */
  92
  93     labelBalance = new QLabel();
  94     labelBalance->setFont(QFont("Monospace"));
  95     labelBalance->setToolTip(tr("Your current balance"));
  96     hbox_balance->addWidget(labelBalance);
  97     hbox_balance->addStretch(1);
  98
  99     QVBoxLayout *vbox = new QVBoxLayout();
 100     vbox->addLayout(hbox_address);
 101     vbox->addLayout(hbox_balance);
 102
 103     vbox->addWidget(createTabs());
 104
 105     QWidget *centralwidget = new QWidget(this);
 106     centralwidget->setLayout(vbox);
 107     setCentralWidget(centralwidget);
 108
 109     // Create status bar
 110     statusBar();
 111
 112     labelConnections = new QLabel();
 113     labelConnections->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 114     labelConnections->setMinimumWidth(150);
 115     labelConnections->setToolTip(tr("Number of connections to other clients"));
 116
 117     labelBlocks = new QLabel();
 118     labelBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 119     labelBlocks->setMinimumWidth(130);
 120     labelBlocks->setToolTip(tr("Number of blocks in the block chain"));
 121
 122     labelTransactions = new QLabel();
 123     labelTransactions->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 124     labelTransactions->setMinimumWidth(130);
 125     labelTransactions->setToolTip(tr("Number of transactions in your wallet"));
 126
 127     statusBar()->addPermanentWidget(labelConnections);
 128     statusBar()->addPermanentWidget(labelBlocks);
 129     statusBar()->addPermanentWidget(labelTransactions);
 130
 131     // Action bindings
 132     connect(button_new, SIGNAL(clicked()), this, SLOT(newAddressClicked()));
 133     connect(button_clipboard, SIGNAL(clicked()), this, SLOT(copyClipboardClicked()));
 134
 135     createTrayIcon();
 136 }
 137
 138 void BitcoinGUI::createActions()
 139 {
 140     quit = new QAction(QIcon(":/icons/quit"), tr("&Exit"), this);
 141     quit->setToolTip(tr("Quit application"));
 142     sendcoins = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 143     sendcoins->setToolTip(tr("Send coins to a bitcoin address"));
 144     addressbook = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 145     addressbook->setToolTip(tr("Edit the list of stored addresses and labels"));
 146     about = new QAction(QIcon(":/icons/bitcoin"), tr("&About"), this);
 147     about->setToolTip(tr("Show information about Bitcoin"));
 148     receivingAddresses = new QAction(QIcon(":/icons/receiving-addresses"), tr("Your &Receiving Addresses..."), this);
 149     receivingAddresses->setToolTip(tr("Show the list of receiving addresses and edit their labels"));
 150     options = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 151     options->setToolTip(tr("Modify configuration options for bitcoin"));
 152     openBitcoin = new QAction(QIcon(":/icons/bitcoin"), "Open &Bitcoin", this);
 153     openBitcoin->setToolTip(tr("Show the Bitcoin window"));
 154
 155     connect(quit, SIGNAL(triggered()), qApp, SLOT(quit()));
 156     connect(sendcoins, SIGNAL(triggered()), this, SLOT(sendcoinsClicked()));
 157     connect(addressbook, SIGNAL(triggered()), this, SLOT(addressbookClicked()));
 158     connect(receivingAddresses, SIGNAL(triggered()), this, SLOT(receivingAddressesClicked()));
 159     connect(options, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 160     connect(about, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 161     connect(openBitcoin, SIGNAL(triggered()), this, SLOT(show()));
 162 }
 163
 164 void BitcoinGUI::setModel(ClientModel *model)
 165 {
 166     this->model = model;
 167
 168     // Keep up to date with client
 169     setBalance(model->getBalance());
 170     connect(model, SIGNAL(balanceChanged(qint64)), this, SLOT(setBalance(qint64)));
 171
 172     setNumConnections(model->getNumConnections());
 173     connect(model, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 174
 175     setNumTransactions(model->getNumTransactions());
 176     connect(model, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
 177
 178     setNumBlocks(model->getNumBlocks());
 179     connect(model, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 180
 181     setAddress(model->getAddress());
 182     connect(model, SIGNAL(addressChanged(QString)), this, SLOT(setAddress(QString)));
 183
 184     // Report errors from network/worker thread
 185     connect(model, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 186
 187     // Put transaction list in tabs
 188     setTabsModel(model->getTransactionTableModel());
 189 }
 190
 191 void BitcoinGUI::createTrayIcon()
 192 {
 193     QMenu *trayIconMenu = new QMenu(this);
 194     trayIconMenu->addAction(openBitcoin);
 195     trayIconMenu->addAction(sendcoins);
 196     trayIconMenu->addAction(options);
 197     trayIconMenu->addSeparator();
 198     trayIconMenu->addAction(quit);
 199
 200     trayIcon = new QSystemTrayIcon(this);
 201     trayIcon->setContextMenu(trayIconMenu);
 202     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 203     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 204             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 205     trayIcon->show();
 206 }
 207
 208 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 209 {
 210     if(reason == QSystemTrayIcon::DoubleClick)
 211     {
 212         // Doubleclick on system tray icon triggers "open bitcoin"
 213         openBitcoin->trigger();
 214     }
 215 }
 216
 217 QWidget *BitcoinGUI::createTabs()
 218 {
 219     QStringList tab_labels;
 220     tab_labels  << tr("All transactions")
 221                 << tr("Sent/Received")
 222                 << tr("Sent")
 223                 << tr("Received");
 224
 225     QTabWidget *tabs = new QTabWidget(this);
 226     for(int i = 0; i < tab_labels.size(); ++i)
 227     {
 228         QTableView *view = new QTableView(this);
 229         tabs->addTab(view, tab_labels.at(i));
 230
 231         connect(view, SIGNAL(doubleClicked(const QModelIndex&)), this, SLOT(transactionDetails(const QModelIndex&)));
 232         transactionViews.append(view);
 233     }
 234
 235     return tabs;
 236 }
 237
 238 void BitcoinGUI::setTabsModel(QAbstractItemModel *transaction_model)
 239 {
 240     QStringList tab_filters;
 241     tab_filters << "^."
 242             << "^["+TransactionTableModel::Sent+TransactionTableModel::Received+"]"
 243             << "^["+TransactionTableModel::Sent+"]"
 244             << "^["+TransactionTableModel::Received+"]";
 245
 246     for(int i = 0; i < transactionViews.size(); ++i)
 247     {
 248         QSortFilterProxyModel *proxy_model = new QSortFilterProxyModel(this);
 249         proxy_model->setSourceModel(transaction_model);
 250         proxy_model->setDynamicSortFilter(true);
 251         proxy_model->setFilterRole(TransactionTableModel::TypeRole);
 252         proxy_model->setFilterRegExp(QRegExp(tab_filters.at(i)));
 253         proxy_model->setSortRole(Qt::EditRole);
 254
 255         QTableView *transaction_table = transactionViews.at(i);
 256         transaction_table->setModel(proxy_model);
 257         transaction_table->setSelectionBehavior(QAbstractItemView::SelectRows);
 258         transaction_table->setSelectionMode(QAbstractItemView::ExtendedSelection);
 259         transaction_table->setSortingEnabled(true);
 260         transaction_table->sortByColumn(TransactionTableModel::Status, Qt::DescendingOrder);
 261         transaction_table->verticalHeader()->hide();
 262
 263         transaction_table->horizontalHeader()->resizeSection(
 264                 TransactionTableModel::Status, 23);
 265         transaction_table->horizontalHeader()->resizeSection(
 266                 TransactionTableModel::Date, 120);
 267         transaction_table->horizontalHeader()->setResizeMode(
 268                 TransactionTableModel::Description, QHeaderView::Stretch);
 269         transaction_table->horizontalHeader()->resizeSection(
 270                 TransactionTableModel::Debit, 79);
 271         transaction_table->horizontalHeader()->resizeSection(
 272                 TransactionTableModel::Credit, 79);
 273     }
 274
 275     connect(transaction_model, SIGNAL(rowsInserted(const QModelIndex &, int, int)),
 276             this, SLOT(incomingTransaction(const QModelIndex &, int, int)));
 277 }
 278
 279 void BitcoinGUI::sendcoinsClicked()
 280 {
 281     SendCoinsDialog dlg;
 282     dlg.setModel(model);
 283     dlg.exec();
 284 }
 285
 286 void BitcoinGUI::addressbookClicked()
 287 {
 288     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 289     dlg.setModel(model->getAddressTableModel());
 290     dlg.setTab(AddressBookDialog::SendingTab);
 291     dlg.exec();
 292 }
 293
 294 void BitcoinGUI::receivingAddressesClicked()
 295 {
 296     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 297     dlg.setModel(model->getAddressTableModel());
 298     dlg.setTab(AddressBookDialog::ReceivingTab);
 299     dlg.exec();
 300 }
 301
 302 void BitcoinGUI::optionsClicked()
 303 {
 304     OptionsDialog dlg;
 305     dlg.setModel(model->getOptionsModel());
 306     dlg.exec();
 307 }
 308
 309 void BitcoinGUI::aboutClicked()
 310 {
 311     AboutDialog dlg;
 312     dlg.exec();
 313 }
 314
 315 void BitcoinGUI::newAddressClicked()
 316 {
 317     EditAddressDialog dlg(EditAddressDialog::NewReceivingAddress);
 318     dlg.setModel(model->getAddressTableModel());
 319     if(dlg.exec())
 320     {
 321         QString newAddress = dlg.saveCurrentRow();
 322         // Set returned address as new default addres
 323         if(!newAddress.isEmpty())
 324         {
 325             model->setAddress(newAddress);
 326         }
 327     }
 328 }
 329
 330 void BitcoinGUI::copyClipboardClicked()
 331 {
 332     // Copy text in address to clipboard
 333     QApplication::clipboard()->setText(address->text());
 334 }
 335
 336 void BitcoinGUI::setBalance(qint64 balance)
 337 {
 338     labelBalance->setText(QString::fromStdString(FormatMoney(balance)));
 339 }
 340
 341 void BitcoinGUI::setAddress(const QString &addr)
 342 {
 343     address->setText(addr);
 344 }
 345
 346 void BitcoinGUI::setNumConnections(int count)
 347 {
 348     QString icon;
 349     switch(count)
 350     {
 351     case 0: icon = ":/icons/connect0"; break;
 352     case 1: icon = ":/icons/connect1"; break;
 353     case 2: icon = ":/icons/connect2"; break;
 354     case 3: icon = ":/icons/connect3"; break;
 355     default: icon = ":/icons/connect4"; break;
 356     }
 357     labelConnections->setTextFormat(Qt::RichText);
 358     labelConnections->setText("<img src=\""+icon+"\"> " + QLocale::system().toString(count)+" "+tr("connection(s)", "", count));
 359 }
 360
 361 void BitcoinGUI::setNumBlocks(int count)
 362 {
 363     labelBlocks->setText(QLocale::system().toString(count)+" "+tr("block(s)", "", count));
 364 }
 365
 366 void BitcoinGUI::setNumTransactions(int count)
 367 {
 368     labelTransactions->setText(QLocale::system().toString(count)+" "+tr("transaction(s)", "", count));
 369 }
 370
 371 void BitcoinGUI::error(const QString &title, const QString &message)
 372 {
 373     // Report errors from network/worker thread
 374     if(trayIcon->supportsMessages())
 375     {
 376         // Show as "balloon" message if possible
 377         trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
 378     }
 379     else
 380     {
 381         // Fall back to old fashioned popup dialog if not
 382         QMessageBox::critical(this, title,
 383             message,
 384             QMessageBox::Ok, QMessageBox::Ok);
 385     }
 386 }
 387
 388 void BitcoinGUI::changeEvent(QEvent *e)
 389 {
 390     if (e->type() == QEvent::WindowStateChange)
 391     {
 392         if(model->getOptionsModel()->getMinimizeToTray())
 393         {
 394             if (isMinimized())
 395             {
 396                 hide();
 397                 e->ignore();
 398             }
 399             else
 400             {
 401                 e->accept();
 402             }
 403         }
 404     }
 405     QMainWindow::changeEvent(e);
 406 }
 407
 408 void BitcoinGUI::closeEvent(QCloseEvent *event)
 409 {
 410     if(!model->getOptionsModel()->getMinimizeToTray() &&
 411        !model->getOptionsModel()->getMinimizeOnClose())
 412     {
 413         qApp->quit();
 414     }
 415     QMainWindow::closeEvent(event);
 416 }
 417
 418 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 419 {
 420     QString strMessage =
 421         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 422           "which goes to the nodes that process your transaction and helps to support the network.  "
 423           "Do you want to pay the fee?").arg(QString::fromStdString(FormatMoney(nFeeRequired)));
 424     QMessageBox::StandardButton retval = QMessageBox::question(
 425           this, tr("Sending..."), strMessage,
 426           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 427     *payFee = (retval == QMessageBox::Yes);
 428 }
 429
 430 void BitcoinGUI::transactionDetails(const QModelIndex& idx)
 431 {
 432     /* A transaction is doubleclicked */
 433     TransactionDescDialog dlg(idx);
 434     dlg.exec();
 435 }
 436
 437 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 438 {
 439     TransactionTableModel *ttm = model->getTransactionTableModel();
 440     qint64 credit = ttm->index(start, TransactionTableModel::Credit, parent)
 441                     .data(Qt::EditRole).toULongLong();
 442     qint64 debit = ttm->index(start, TransactionTableModel::Debit, parent)
 443                     .data(Qt::EditRole).toULongLong();
 444     if((credit+debit)>0)
 445     {
 446         /* On incoming transaction, make an info balloon */
 447         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 448                         .data().toString();
 449         QString description = ttm->index(start, TransactionTableModel::Description, parent)
 450                         .data().toString();
 451
 452         trayIcon->showMessage(tr("Incoming transaction"),
 453                               "Date: " + date + "\n" +
 454                               "Amount: " + QString::fromStdString(FormatMoney(credit+debit, true)) + "\n" +
 455                               description,
 456                               QSystemTrayIcon::Information);
 457     }
 458 }