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 "addressbookpage.h"
   9 #include "sendcoinsdialog.h"
  10 #include "optionsdialog.h"
  11 #include "aboutdialog.h"
  12 #include "clientmodel.h"
  13 #include "walletmodel.h"
  14 #include "guiutil.h"
  15 #include "editaddressdialog.h"
  16 #include "optionsmodel.h"
  17 #include "transactiondescdialog.h"
  18 #include "addresstablemodel.h"
  19 #include "transactionview.h"
  20 #include "overviewpage.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 <QToolBar>
  30 #include <QStatusBar>
  31 #include <QLabel>
  32 #include <QLineEdit>
  33 #include <QPushButton>
  34 #include <QLocale>
  35 #include <QMessageBox>
  36 #include <QProgressBar>
  37 #include <QStackedWidget>
  38 #include <QDateTime>
  39
  40 #include <QDebug>
  41
  42 #include <iostream>
  43
  44 BitcoinGUI::BitcoinGUI(QWidget *parent):
  45     QMainWindow(parent),
  46     clientModel(0),
  47     walletModel(0),
  48     trayIcon(0)
  49 {
  50     resize(850, 550);
  51     setWindowTitle(tr("Bitcoin Wallet"));
  52     setWindowIcon(QIcon(":icons/bitcoin"));
  53
  54     createActions();
  55
  56     // Menus
  57     QMenu *file = menuBar()->addMenu("&File");
  58     file->addAction(sendCoinsAction);
  59     file->addAction(receiveCoinsAction);
  60     file->addSeparator();
  61     file->addAction(quitAction);
  62
  63     QMenu *settings = menuBar()->addMenu("&Settings");
  64     settings->addAction(optionsAction);
  65
  66     QMenu *help = menuBar()->addMenu("&Help");
  67     help->addAction(aboutAction);
  68
  69     // Toolbar
  70     QToolBar *toolbar = addToolBar("Main toolbar");
  71     toolbar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  72     toolbar->addAction(overviewAction);
  73     toolbar->addAction(sendCoinsAction);
  74     toolbar->addAction(receiveCoinsAction);
  75     toolbar->addAction(historyAction);
  76     toolbar->addAction(addressBookAction);
  77
  78     QToolBar *toolbar2 = addToolBar("Transactions toolbar");
  79     toolbar2->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
  80     toolbar2->addAction(exportAction);
  81
  82     // Overview page
  83     overviewPage = new OverviewPage();
  84     QVBoxLayout *vbox = new QVBoxLayout();
  85
  86     transactionView = new TransactionView(this);
  87     connect(transactionView, SIGNAL(doubleClicked(const QModelIndex&)), this, SLOT(transactionDetails(const QModelIndex&)));
  88     vbox->addWidget(transactionView);
  89
  90     transactionsPage = new QWidget(this);
  91     transactionsPage->setLayout(vbox);
  92
  93     addressBookPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab);
  94
  95     receiveCoinsPage = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab);
  96
  97     sendCoinsPage = new SendCoinsDialog(this);
  98
  99     centralWidget = new QStackedWidget(this);
 100     centralWidget->addWidget(overviewPage);
 101     centralWidget->addWidget(transactionsPage);
 102     centralWidget->addWidget(addressBookPage);
 103     centralWidget->addWidget(receiveCoinsPage);
 104     centralWidget->addWidget(sendCoinsPage);
 105     setCentralWidget(centralWidget);
 106
 107     // Create status bar
 108     statusBar();
 109
 110     labelConnections = new QLabel();
 111     labelConnections->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 112     labelConnections->setMinimumWidth(150);
 113     labelConnections->setMaximumWidth(150);
 114     labelConnections->setToolTip(tr("Number of connections to other clients"));
 115
 116     labelBlocks = new QLabel();
 117     labelBlocks->setFrameStyle(QFrame::Panel | QFrame::Sunken);
 118     labelBlocks->setMinimumWidth(150);
 119     labelBlocks->setMaximumWidth(150);
 120     labelBlocks->setToolTip(tr("Number of blocks in the block chain"));
 121
 122     // Progress bar for blocks download
 123     progressBarLabel = new QLabel(tr("Synchronizing with network..."));
 124     progressBarLabel->setVisible(false);
 125     progressBar = new QProgressBar();
 126     progressBar->setToolTip(tr("Block chain synchronization in progress"));
 127     progressBar->setVisible(false);
 128
 129     statusBar()->addWidget(progressBarLabel);
 130     statusBar()->addWidget(progressBar);
 131     statusBar()->addPermanentWidget(labelConnections);
 132     statusBar()->addPermanentWidget(labelBlocks);
 133
 134     createTrayIcon();
 135
 136     gotoOverviewPage();
 137 }
 138
 139 void BitcoinGUI::createActions()
 140 {
 141     QActionGroup *tabGroup = new QActionGroup(this);
 142
 143     overviewAction = new QAction(QIcon(":/icons/overview"), tr("&Overview"), this);
 144     overviewAction->setCheckable(true);
 145     tabGroup->addAction(overviewAction);
 146
 147     historyAction = new QAction(QIcon(":/icons/history"), tr("&Transactions"), this);
 148     historyAction->setCheckable(true);
 149     tabGroup->addAction(historyAction);
 150
 151     addressBookAction = new QAction(QIcon(":/icons/address-book"), tr("&Address Book"), this);
 152     addressBookAction->setToolTip(tr("Edit the list of stored addresses and labels"));
 153     addressBookAction->setCheckable(true);
 154     tabGroup->addAction(addressBookAction);
 155
 156     receiveCoinsAction = new QAction(QIcon(":/icons/receiving_addresses"), tr("&Receive coins"), this);
 157     receiveCoinsAction->setToolTip(tr("Show the list of addresses for receiving payments"));
 158     receiveCoinsAction->setCheckable(true);
 159     tabGroup->addAction(receiveCoinsAction);
 160
 161     sendCoinsAction = new QAction(QIcon(":/icons/send"), tr("&Send coins"), this);
 162     sendCoinsAction->setToolTip(tr("Send coins to a bitcoin address"));
 163     sendCoinsAction->setCheckable(true);
 164     tabGroup->addAction(sendCoinsAction);
 165
 166     connect(overviewAction, SIGNAL(triggered()), this, SLOT(gotoOverviewPage()));
 167     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 168     connect(addressBookAction, SIGNAL(triggered()), this, SLOT(gotoAddressBookPage()));
 169     connect(receiveCoinsAction, SIGNAL(triggered()), this, SLOT(gotoReceiveCoinsPage()));
 170     connect(sendCoinsAction, SIGNAL(triggered()), this, SLOT(gotoSendCoinsPage()));
 171
 172     quitAction = new QAction(QIcon(":/icons/quit"), tr("&Exit"), this);
 173     quitAction->setToolTip(tr("Quit application"));
 174     aboutAction = new QAction(QIcon(":/icons/bitcoin"), tr("&About"), this);
 175     aboutAction->setToolTip(tr("Show information about Bitcoin"));
 176     optionsAction = new QAction(QIcon(":/icons/options"), tr("&Options..."), this);
 177     optionsAction->setToolTip(tr("Modify configuration options for bitcoin"));
 178     openBitcoinAction = new QAction(QIcon(":/icons/bitcoin"), tr("Open &Bitcoin"), this);
 179     openBitcoinAction->setToolTip(tr("Show the Bitcoin window"));
 180     exportAction = new QAction(QIcon(":/icons/export"), tr("&Export..."), this);
 181     exportAction->setToolTip(tr("Export data in current view to a file"));
 182
 183     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
 184     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
 185     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
 186     connect(openBitcoinAction, SIGNAL(triggered()), this, SLOT(show()));
 187     connect(exportAction, SIGNAL(triggered()), this, SLOT(exportClicked()));
 188 }
 189
 190 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 191 {
 192     this->clientModel = clientModel;
 193
 194     if(clientModel->isTestNet())
 195     {
 196         QString title_testnet = windowTitle() + QString(" ") + tr("[testnet]");
 197         setWindowTitle(title_testnet);
 198         setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 199         if(trayIcon)
 200         {
 201             trayIcon->setToolTip(title_testnet);
 202             trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 203         }
 204     }
 205
 206     // Keep up to date with client
 207     setNumConnections(clientModel->getNumConnections());
 208     connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 209
 210     setNumBlocks(clientModel->getNumBlocks());
 211     connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 212
 213     // Report errors from network/worker thread
 214     connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 215 }
 216
 217 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 218 {
 219     this->walletModel = walletModel;
 220
 221     // Keep up to date with wallet
 222     setBalance(walletModel->getBalance());
 223     connect(walletModel, SIGNAL(balanceChanged(qint64)), this, SLOT(setBalance(qint64)));
 224
 225     setNumTransactions(walletModel->getNumTransactions());
 226     connect(walletModel, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
 227
 228     // Report errors from wallet thread
 229     connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 230
 231     // Put transaction list in tabs
 232     transactionView->setModel(walletModel->getTransactionTableModel());
 233
 234     addressBookPage->setModel(walletModel->getAddressTableModel());
 235     receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 236     sendCoinsPage->setModel(walletModel);
 237
 238     // Balloon popup for new transaction
 239     connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(const QModelIndex &, int, int)),
 240             this, SLOT(incomingTransaction(const QModelIndex &, int, int)));
 241 }
 242
 243 void BitcoinGUI::createTrayIcon()
 244 {
 245     QMenu *trayIconMenu = new QMenu(this);
 246     trayIconMenu->addAction(openBitcoinAction);
 247     trayIconMenu->addAction(sendCoinsAction);
 248     trayIconMenu->addAction(optionsAction);
 249     trayIconMenu->addSeparator();
 250     trayIconMenu->addAction(quitAction);
 251
 252     trayIcon = new QSystemTrayIcon(this);
 253     trayIcon->setContextMenu(trayIconMenu);
 254     trayIcon->setToolTip("Bitcoin client");
 255     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 256     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 257             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 258     trayIcon->show();
 259 }
 260
 261 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 262 {
 263     if(reason == QSystemTrayIcon::DoubleClick)
 264     {
 265         // Doubleclick on system tray icon triggers "open bitcoin"
 266         openBitcoinAction->trigger();
 267     }
 268 }
 269
 270 void BitcoinGUI::optionsClicked()
 271 {
 272     OptionsDialog dlg;
 273     dlg.setModel(clientModel->getOptionsModel());
 274     dlg.exec();
 275 }
 276
 277 void BitcoinGUI::aboutClicked()
 278 {
 279     AboutDialog dlg;
 280     dlg.setModel(clientModel);
 281     dlg.exec();
 282 }
 283
 284 void BitcoinGUI::setBalance(qint64 balance)
 285 {
 286     overviewPage->setBalance(balance);
 287 }
 288
 289 void BitcoinGUI::setNumConnections(int count)
 290 {
 291     QString icon;
 292     switch(count)
 293     {
 294     case 0: icon = ":/icons/connect_0"; break;
 295     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 296     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 297     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 298     default: icon = ":/icons/connect_4"; break;
 299     }
 300     labelConnections->setTextFormat(Qt::RichText);
 301     labelConnections->setText("<img src=\""+icon+"\">" + tr("%n connection(s)", "", count));
 302 }
 303
 304 void BitcoinGUI::setNumBlocks(int count)
 305 {
 306     int total = clientModel->getTotalBlocksEstimate();
 307     if(count < total)
 308     {
 309         progressBarLabel->setVisible(true);
 310         progressBar->setVisible(true);
 311         progressBar->setMaximum(total);
 312         progressBar->setValue(count);
 313     }
 314     else
 315     {
 316         progressBarLabel->setVisible(false);
 317         progressBar->setVisible(false);
 318     }
 319
 320     QDateTime now = QDateTime::currentDateTime();
 321     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 322     int secs = lastBlockDate.secsTo(now);
 323     QString text;
 324     QString icon = ":/icons/notsynced";
 325
 326     // "Up to date" icon, and outdated icon
 327     if(secs < 30*60)
 328     {
 329         text = "Up to date";
 330         icon = ":/icons/synced";
 331     }
 332     else if(secs < 60*60)
 333     {
 334         text = tr("%n minute(s) ago","",secs/60);
 335     }
 336     else if(secs < 24*60*60)
 337     {
 338         text = tr("%n hour(s) ago","",secs/(60*60));
 339     }
 340     else
 341     {
 342         text = tr("%n day(s) ago","",secs/(60*60*24));
 343     }
 344
 345     labelBlocks->setText("<img src=\""+icon+"\"> " + text);
 346     labelBlocks->setToolTip(tr("%n block(s) in total, last block was generated %1", "", count)
 347                             .arg(QLocale::system().toString(lastBlockDate)));
 348 }
 349
 350 void BitcoinGUI::setNumTransactions(int count)
 351 {
 352     overviewPage->setNumTransactions(count);
 353 }
 354
 355 void BitcoinGUI::error(const QString &title, const QString &message)
 356 {
 357     // Report errors from network/worker thread
 358     if(trayIcon->supportsMessages())
 359     {
 360         // Show as "balloon" message if possible
 361         trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
 362     }
 363     else
 364     {
 365         // Fall back to old fashioned popup dialog if not
 366         QMessageBox::critical(this, title,
 367             message,
 368             QMessageBox::Ok, QMessageBox::Ok);
 369     }
 370 }
 371
 372 void BitcoinGUI::changeEvent(QEvent *e)
 373 {
 374     if (e->type() == QEvent::WindowStateChange)
 375     {
 376         if(clientModel->getOptionsModel()->getMinimizeToTray())
 377         {
 378             if (isMinimized())
 379             {
 380                 hide();
 381                 e->ignore();
 382             }
 383             else
 384             {
 385                 e->accept();
 386             }
 387         }
 388     }
 389     QMainWindow::changeEvent(e);
 390 }
 391
 392 void BitcoinGUI::closeEvent(QCloseEvent *event)
 393 {
 394     if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 395        !clientModel->getOptionsModel()->getMinimizeOnClose())
 396     {
 397         qApp->quit();
 398     }
 399     QMainWindow::closeEvent(event);
 400 }
 401
 402 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 403 {
 404     QString strMessage =
 405         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 406           "which goes to the nodes that process your transaction and helps to support the network.  "
 407           "Do you want to pay the fee?").arg(GUIUtil::formatMoney(nFeeRequired));
 408     QMessageBox::StandardButton retval = QMessageBox::question(
 409           this, tr("Sending..."), strMessage,
 410           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 411     *payFee = (retval == QMessageBox::Yes);
 412 }
 413
 414 void BitcoinGUI::transactionDetails(const QModelIndex& idx)
 415 {
 416     // A transaction is doubleclicked
 417     TransactionDescDialog dlg(idx);
 418     dlg.exec();
 419 }
 420
 421 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 422 {
 423     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 424     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 425                     .data(Qt::EditRole).toULongLong();
 426     if(amount>0 && !clientModel->inInitialBlockDownload())
 427     {
 428         // On incoming transaction, make an info balloon
 429         // Unless the initial block download is in progress, to prevent balloon-spam
 430         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 431                         .data().toString();
 432         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 433                         .data().toString();
 434         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 435                         .data().toString();
 436
 437         trayIcon->showMessage(tr("Incoming transaction"),
 438                               tr("Date: ") + date + "\n" +
 439                               tr("Amount: ") + GUIUtil::formatMoney(amount, true) + "\n" +
 440                               tr("Type: ") + type + "\n" +
 441                               tr("Address: ") + address + "\n",
 442                               QSystemTrayIcon::Information);
 443     }
 444 }
 445
 446 void BitcoinGUI::gotoOverviewPage()
 447 {
 448     overviewAction->setChecked(true);
 449     centralWidget->setCurrentWidget(overviewPage);
 450     exportAction->setEnabled(false);
 451 }
 452
 453 void BitcoinGUI::gotoHistoryPage()
 454 {
 455     historyAction->setChecked(true);
 456     centralWidget->setCurrentWidget(transactionsPage);
 457     exportAction->setEnabled(true);
 458 }
 459
 460 void BitcoinGUI::gotoAddressBookPage()
 461 {
 462     addressBookAction->setChecked(true);
 463     centralWidget->setCurrentWidget(addressBookPage);
 464     exportAction->setEnabled(false); // TODO
 465 }
 466
 467 void BitcoinGUI::gotoReceiveCoinsPage()
 468 {
 469     receiveCoinsAction->setChecked(true);
 470     centralWidget->setCurrentWidget(receiveCoinsPage);
 471     exportAction->setEnabled(false); // TODO
 472 }
 473
 474 void BitcoinGUI::gotoSendCoinsPage()
 475 {
 476     sendCoinsAction->setChecked(true);
 477     sendCoinsPage->clear();
 478     centralWidget->setCurrentWidget(sendCoinsPage);
 479     exportAction->setEnabled(false);
 480 }
 481
 482 void BitcoinGUI::exportClicked()
 483 {
 484     // Redirect to the right view, as soon as export for other views
 485     // (such as address book) is implemented.
 486     transactionView->exportClicked();
 487 }
 488