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&)), transactionView, SLOT(transactionDetails()));
  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 }
 188
 189 void BitcoinGUI::setClientModel(ClientModel *clientModel)
 190 {
 191     this->clientModel = clientModel;
 192
 193     if(clientModel->isTestNet())
 194     {
 195         QString title_testnet = windowTitle() + QString(" ") + tr("[testnet]");
 196         setWindowTitle(title_testnet);
 197         setWindowIcon(QIcon(":icons/bitcoin_testnet"));
 198         if(trayIcon)
 199         {
 200             trayIcon->setToolTip(title_testnet);
 201             trayIcon->setIcon(QIcon(":/icons/toolbar_testnet"));
 202         }
 203     }
 204
 205     // Keep up to date with client
 206     setNumConnections(clientModel->getNumConnections());
 207     connect(clientModel, SIGNAL(numConnectionsChanged(int)), this, SLOT(setNumConnections(int)));
 208
 209     setNumBlocks(clientModel->getNumBlocks());
 210     connect(clientModel, SIGNAL(numBlocksChanged(int)), this, SLOT(setNumBlocks(int)));
 211
 212     // Report errors from network/worker thread
 213     connect(clientModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 214 }
 215
 216 void BitcoinGUI::setWalletModel(WalletModel *walletModel)
 217 {
 218     this->walletModel = walletModel;
 219
 220     // Keep up to date with wallet
 221     setBalance(walletModel->getBalance());
 222     connect(walletModel, SIGNAL(balanceChanged(qint64)), this, SLOT(setBalance(qint64)));
 223
 224     setNumTransactions(walletModel->getNumTransactions());
 225     connect(walletModel, SIGNAL(numTransactionsChanged(int)), this, SLOT(setNumTransactions(int)));
 226
 227     // Report errors from wallet thread
 228     connect(walletModel, SIGNAL(error(QString,QString)), this, SLOT(error(QString,QString)));
 229
 230     // Put transaction list in tabs
 231     transactionView->setModel(walletModel);
 232
 233     addressBookPage->setModel(walletModel->getAddressTableModel());
 234     receiveCoinsPage->setModel(walletModel->getAddressTableModel());
 235     sendCoinsPage->setModel(walletModel);
 236
 237     // Balloon popup for new transaction
 238     connect(walletModel->getTransactionTableModel(), SIGNAL(rowsInserted(const QModelIndex &, int, int)),
 239             this, SLOT(incomingTransaction(const QModelIndex &, int, int)));
 240 }
 241
 242 void BitcoinGUI::createTrayIcon()
 243 {
 244     QMenu *trayIconMenu = new QMenu(this);
 245     trayIconMenu->addAction(openBitcoinAction);
 246     trayIconMenu->addAction(sendCoinsAction);
 247     trayIconMenu->addAction(optionsAction);
 248     trayIconMenu->addSeparator();
 249     trayIconMenu->addAction(quitAction);
 250
 251     trayIcon = new QSystemTrayIcon(this);
 252     trayIcon->setContextMenu(trayIconMenu);
 253     trayIcon->setToolTip("Bitcoin client");
 254     trayIcon->setIcon(QIcon(":/icons/toolbar"));
 255     connect(trayIcon, SIGNAL(activated(QSystemTrayIcon::ActivationReason)),
 256             this, SLOT(trayIconActivated(QSystemTrayIcon::ActivationReason)));
 257     trayIcon->show();
 258 }
 259
 260 void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 261 {
 262     if(reason == QSystemTrayIcon::DoubleClick)
 263     {
 264         // Doubleclick on system tray icon triggers "open bitcoin"
 265         openBitcoinAction->trigger();
 266     }
 267 }
 268
 269 void BitcoinGUI::optionsClicked()
 270 {
 271     OptionsDialog dlg;
 272     dlg.setModel(clientModel->getOptionsModel());
 273     dlg.exec();
 274 }
 275
 276 void BitcoinGUI::aboutClicked()
 277 {
 278     AboutDialog dlg;
 279     dlg.setModel(clientModel);
 280     dlg.exec();
 281 }
 282
 283 void BitcoinGUI::setBalance(qint64 balance)
 284 {
 285     overviewPage->setBalance(balance);
 286 }
 287
 288 void BitcoinGUI::setNumConnections(int count)
 289 {
 290     QString icon;
 291     switch(count)
 292     {
 293     case 0: icon = ":/icons/connect_0"; break;
 294     case 1: case 2: case 3: icon = ":/icons/connect_1"; break;
 295     case 4: case 5: case 6: icon = ":/icons/connect_2"; break;
 296     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
 297     default: icon = ":/icons/connect_4"; break;
 298     }
 299     labelConnections->setTextFormat(Qt::RichText);
 300     labelConnections->setText("<img src=\""+icon+"\"> " + tr("%n connection(s)", "", count));
 301 }
 302
 303 void BitcoinGUI::setNumBlocks(int count)
 304 {
 305     int total = clientModel->getTotalBlocksEstimate();
 306     if(count < total)
 307     {
 308         progressBarLabel->setVisible(true);
 309         progressBar->setVisible(true);
 310         progressBar->setMaximum(total);
 311         progressBar->setValue(count);
 312     }
 313     else
 314     {
 315         progressBarLabel->setVisible(false);
 316         progressBar->setVisible(false);
 317     }
 318
 319     QDateTime now = QDateTime::currentDateTime();
 320     QDateTime lastBlockDate = clientModel->getLastBlockDate();
 321     int secs = lastBlockDate.secsTo(now);
 322     QString text;
 323     QString icon = ":/icons/notsynced";
 324
 325     // "Up to date" icon, and outdated icon
 326     if(secs < 30*60)
 327     {
 328         text = "Up to date";
 329         icon = ":/icons/synced";
 330     }
 331     else if(secs < 60*60)
 332     {
 333         text = tr("%n minute(s) ago","",secs/60);
 334     }
 335     else if(secs < 24*60*60)
 336     {
 337         text = tr("%n hour(s) ago","",secs/(60*60));
 338     }
 339     else
 340     {
 341         text = tr("%n day(s) ago","",secs/(60*60*24));
 342     }
 343
 344     labelBlocks->setText("<img src=\""+icon+"\"> " + text);
 345     labelBlocks->setToolTip(tr("%n block(s) in total, last block was generated %1", "", count)
 346                             .arg(QLocale::system().toString(lastBlockDate)));
 347 }
 348
 349 void BitcoinGUI::setNumTransactions(int count)
 350 {
 351     overviewPage->setNumTransactions(count);
 352 }
 353
 354 void BitcoinGUI::error(const QString &title, const QString &message)
 355 {
 356     // Report errors from network/worker thread
 357     if(trayIcon->supportsMessages())
 358     {
 359         // Show as "balloon" message if possible
 360         trayIcon->showMessage(title, message, QSystemTrayIcon::Critical);
 361     }
 362     else
 363     {
 364         // Fall back to old fashioned popup dialog if not
 365         QMessageBox::critical(this, title,
 366             message,
 367             QMessageBox::Ok, QMessageBox::Ok);
 368     }
 369 }
 370
 371 void BitcoinGUI::changeEvent(QEvent *e)
 372 {
 373     if (e->type() == QEvent::WindowStateChange)
 374     {
 375         if(clientModel->getOptionsModel()->getMinimizeToTray())
 376         {
 377             if (isMinimized())
 378             {
 379                 hide();
 380                 e->ignore();
 381             }
 382             else
 383             {
 384                 e->accept();
 385             }
 386         }
 387     }
 388     QMainWindow::changeEvent(e);
 389 }
 390
 391 void BitcoinGUI::closeEvent(QCloseEvent *event)
 392 {
 393     if(!clientModel->getOptionsModel()->getMinimizeToTray() &&
 394        !clientModel->getOptionsModel()->getMinimizeOnClose())
 395     {
 396         qApp->quit();
 397     }
 398     QMainWindow::closeEvent(event);
 399 }
 400
 401 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 402 {
 403     QString strMessage =
 404         tr("This transaction is over the size limit.  You can still send it for a fee of %1, "
 405           "which goes to the nodes that process your transaction and helps to support the network.  "
 406           "Do you want to pay the fee?").arg(GUIUtil::formatMoney(nFeeRequired));
 407     QMessageBox::StandardButton retval = QMessageBox::question(
 408           this, tr("Sending..."), strMessage,
 409           QMessageBox::Yes|QMessageBox::Cancel, QMessageBox::Yes);
 410     *payFee = (retval == QMessageBox::Yes);
 411 }
 412
 413 void BitcoinGUI::incomingTransaction(const QModelIndex & parent, int start, int end)
 414 {
 415     TransactionTableModel *ttm = walletModel->getTransactionTableModel();
 416     qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent)
 417                     .data(Qt::EditRole).toULongLong();
 418     if(amount>0 && !clientModel->inInitialBlockDownload())
 419     {
 420         // On incoming transaction, make an info balloon
 421         // Unless the initial block download is in progress, to prevent balloon-spam
 422         QString date = ttm->index(start, TransactionTableModel::Date, parent)
 423                         .data().toString();
 424         QString type = ttm->index(start, TransactionTableModel::Type, parent)
 425                         .data().toString();
 426         QString address = ttm->index(start, TransactionTableModel::ToAddress, parent)
 427                         .data().toString();
 428
 429         trayIcon->showMessage(tr("Incoming transaction"),
 430                               tr("Date: ") + date + "\n" +
 431                               tr("Amount: ") + GUIUtil::formatMoney(amount, true) + "\n" +
 432                               tr("Type: ") + type + "\n" +
 433                               tr("Address: ") + address + "\n",
 434                               QSystemTrayIcon::Information);
 435     }
 436 }
 437
 438 void BitcoinGUI::gotoOverviewPage()
 439 {
 440     overviewAction->setChecked(true);
 441     centralWidget->setCurrentWidget(overviewPage);
 442
 443     exportAction->setEnabled(false);
 444     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 445 }
 446
 447 void BitcoinGUI::gotoHistoryPage()
 448 {
 449     historyAction->setChecked(true);
 450     centralWidget->setCurrentWidget(transactionsPage);
 451
 452     exportAction->setEnabled(true);
 453     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 454     connect(exportAction, SIGNAL(triggered()), transactionView, SLOT(exportClicked()));
 455 }
 456
 457 void BitcoinGUI::gotoAddressBookPage()
 458 {
 459     addressBookAction->setChecked(true);
 460     centralWidget->setCurrentWidget(addressBookPage);
 461
 462     exportAction->setEnabled(true);
 463     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 464     connect(exportAction, SIGNAL(triggered()), addressBookPage, SLOT(exportClicked()));
 465 }
 466
 467 void BitcoinGUI::gotoReceiveCoinsPage()
 468 {
 469     receiveCoinsAction->setChecked(true);
 470     centralWidget->setCurrentWidget(receiveCoinsPage);
 471
 472     exportAction->setEnabled(true);
 473     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 474     connect(exportAction, SIGNAL(triggered()), receiveCoinsPage, SLOT(exportClicked()));
 475 }
 476
 477 void BitcoinGUI::gotoSendCoinsPage()
 478 {
 479     sendCoinsAction->setChecked(true);
 480     sendCoinsPage->clear();
 481     centralWidget->setCurrentWidget(sendCoinsPage);
 482
 483     exportAction->setEnabled(false);
 484     disconnect(exportAction, SIGNAL(triggered()), 0, 0);
 485 }
 486