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