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 #include "transactionview.h"
  19
  20 #include "headers.h"
  21
  22 #include <QApplication>
  23 #include <QMainWindow>
  24 #include <QMenuBar>
  25 #include <QMenu>
  26 #include <QIcon>
  27 #include <QTabWidget>
  28 #include <QVBoxLayout>
  29 #include <QWidget>
  30 #include <QToolBar>
  31 #include <QStatusBar>
  32 #include <QLabel>
  33 #include <QLineEdit>
  34 #include <QPushButton>
  35 #include <QLocale>
  36 #include <QClipboard>
  37 #include <QMessageBox>
  38 #include <QProgressBar>
  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     button_new->setIcon(QIcon(":/icons/add"));
  84     QPushButton *button_clipboard = new QPushButton(tr("&Copy to clipboard"));
  85     button_clipboard->setToolTip(tr("Copy current receiving address to the system clipboard"));
  86     button_clipboard->setIcon(QIcon(":/icons/editcopy"));
  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     transactionView = new TransactionView(this);
 106     connect(transactionView, SIGNAL(doubleClicked(const QModelIndex&)), this, SLOT(transactionDetails(const QModelIndex&)));
 107     vbox->addWidget(transactionView);
 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     transactionView->setModel(model->getTransactionTableModel());
 202
 203     // Balloon popup for new transaction
 204     connect(model->getTransactionTableModel(), SIGNAL(rowsInserted(const QModelIndex &, int, int)),
 205             this, SLOT(incomingTransaction(const QModelIndex &, int, int)));
 206 }
 207
 208 void BitcoinGUI::createTrayIcon()
 209 {
 210     QMenu *trayIconMenu = new QMenu(this);
 211     trayIconMenu->addAction(openBitcoin);
 212     trayIconMenu->addAction(sendcoins);
 213     trayIconMenu->addAction(options);
 214     trayIconMenu->addSeparator();
 215     trayIconMenu->addAction(quit);
 216
 217     trayIcon = new QSystemTrayIcon(this);
 218     trayIcon->setContextMenu(trayIconMenu);
 219     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 220     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 221             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 222     trayIcon->show();
 223 }
 224
 225 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 226 {
 227     if(reason == QSystemTrayIcon::DoubleClick)
 228     {
 229         // Doubleclick on system tray icon triggers "open bitcoin"
 230         openBitcoin->trigger();
 231     }
 232 }
 233
 234 void BitcoinGUI::sendcoinsClicked()
 235 {
 236     SendCoinsDialog dlg;
 237     dlg.setModel(model);
 238     dlg.exec();
 239 }
 240
 241 void BitcoinGUI::addressbookClicked()
 242 {
 243     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 244     dlg.setModel(model->getAddressTableModel());
 245     dlg.setTab(AddressBookDialog::SendingTab);
 246     dlg.exec();
 247 }
 248
 249 void BitcoinGUI::receivingAddressesClicked()
 250 {
 251     AddressBookDialog dlg(AddressBookDialog::ForEditing);
 252     dlg.setModel(model->getAddressTableModel());
 253     dlg.setTab(AddressBookDialog::ReceivingTab);
 254     dlg.exec();
 255 }
 256
 257 void BitcoinGUI::optionsClicked()
 258 {
 259     OptionsDialog dlg;
 260     dlg.setModel(model->getOptionsModel());
 261     dlg.exec();
 262 }
 263
 264 void BitcoinGUI::aboutClicked()
 265 {
 266     AboutDialog dlg;
 267     dlg.exec();
 268 }
 269
 270 void BitcoinGUI::newAddressClicked()
 271 {
 272     EditAddressDialog dlg(EditAddressDialog::NewReceivingAddress);
 273     dlg.setModel(model->getAddressTableModel());
 274     if(dlg.exec())
 275     {
 276         QString newAddress = dlg.saveCurrentRow();
 277     }
 278 }
 279
 280 void BitcoinGUI::copyClipboardClicked()
 281 {
 282     // Copy text in address to clipboard
 283     QApplication::clipboard()->setText(address->text());
 284 }
 285
 286 void BitcoinGUI::setBalance(qint64 balance)
 287 {
 288     labelBalance->setText(QString::fromStdString(FormatMoney(balance)) + QString(" BTC"));
 289 }
 290
 291 void BitcoinGUI::setAddress(const QString &addr)
 292 {
 293     address->setText(addr);
 294 }
 295
 296 void BitcoinGUI::setNumConnections(int count)
 297 {
 298     QString icon;
 299     switch(count)
 300     {
 301     case 0: icon = ":/icons/connect_0"; break;
 302     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 303     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 304     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 305     default: icon = ":/icons/connect_4"; break;
 306     }
 307     labelConnections->setTextFormat(Qt::RichText);
 308     labelConnections->setText("<img src=\""+icon+"\"> " + tr("%n connection(s)", "", count));
 309 }
 310
 311 void BitcoinGUI::setNumBlocks(int count)
 312 {
 313     int total = model->getTotalBlocksEstimate();
 314     if(count < total)
 315     {
 316         progressBarLabel->setVisible(true);
 317         progressBar->setVisible(true);
 318         progressBar->setMaximum(total);
 319         progressBar->setValue(count);
 320     }
 321     else
 322     {
 323         progressBarLabel->setVisible(false);
 324         progressBar->setVisible(false);
 325     }
 326
 327     labelBlocks->setText(tr("%n block(s)", "", count));
 328 }
 329
 330 void BitcoinGUI::setNumTransactions(int count)
 331 {
 332     labelTransactions->setText(tr("%n transaction(s)", "", count));
 333 }
 334
 335 void BitcoinGUI::error(const QString &title, const QString &message)
 336 {
 337     // Report errors from network/worker thread
 338     if(trayIcon->supportsMessages())
 339     {
 340         // Show as "balloon" message if possible
 341         trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
 342     }
 343     else
 344     {
 345         // Fall back to old fashioned popup dialog if not
 346         QMessageBox::critical(this, title,
 347             message,
 348             QMessageBox::Ok, QMessageBox::Ok);
 349     }
 350 }
 351
 352 void BitcoinGUI::changeEvent(QEvent *e)
 353 {
 354     if (e->type() == QEvent::WindowStateChange)
 355     {
 356         if(model->getOptionsModel()->getMinimizeToTray())
 357         {
 358             if (isMinimized())
 359             {
 360                 hide();
 361                 e->ignore();
 362             }
 363             else
 364             {
 365                 e->accept();
 366             }
 367         }
 368     }
 369     QMainWindow::changeEvent(e);
 370 }
 371
 372 void BitcoinGUI::closeEvent(QCloseEvent *event)
 373 {
 374     if(!model->getOptionsModel()->getMinimizeToTray() &&
 375        !model->getOptionsModel()->getMinimizeOnClose())
 376     {
 377         qApp->quit();
 378     }
 379     QMainWindow::closeEvent(event);
 380 }
 381
 382 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 383 {
 384     QString strMessage =
 385         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 386           "which goes to the nodes that process your transaction and helps to support the network.  "
 387           "Do you want to pay the fee?").arg(QString::fromStdString(FormatMoney(nFeeRequired)));
 388     QMessageBox::StandardButton retval = QMessageBox::question(
 389           this, tr("Sending..."), strMessage,
 390           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 391     *payFee = (retval == QMessageBox::Yes);
 392 }
 393
 394 void BitcoinGUI::transactionDetails(const QModelIndex& idx)
 395 {
 396     // A transaction is doubleclicked
 397     TransactionDescDialog dlg(idx);
 398     dlg.exec();
 399 }
 400
 401 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 402 {
 403     TransactionTableModel *ttm = model->getTransactionTableModel();
 404     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 405                     .data(Qt::EditRole).toULongLong();
 406     if(amount>0 && !model->inInitialBlockDownload())
 407     {
 408         // On incoming transaction, make an info balloon
 409         // Unless the initial block download is in progress, to prevent balloon-spam
 410         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 411                         .data().toString();
 412         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 413                         .data().toString();
 414         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 415                         .data().toString();
 416
 417         trayIcon->showMessage(tr("Incoming transaction"),
 418                               tr("Date: ") + date + "\n" +
 419                               tr("Amount: ") + QString::fromStdString(FormatMoney(amount, true)) + "\n" +
 420                               tr("Type: ") + type + "\n" +
 421                               tr("Address: ") + address + "\n",
 422                               QSystemTrayIcon::Information);
 423     }
 424 }