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// Copyright (c) 2011-2016 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#if defined(HAVE_CONFIG_H)
#include "config/bitcoin-config.h"
#endif
#include "bitcoingui.h"
#include "chainparams.h"
#include "clientmodel.h"
#include "fs.h"
#include "guiconstants.h"
#include "guiutil.h"
#include "intro.h"
#include "networkstyle.h"
#include "optionsmodel.h"
#include "platformstyle.h"
#include "splashscreen.h"
#include "utilitydialog.h"
#include "winshutdownmonitor.h"
#ifdef ENABLE_WALLET
#include "paymentserver.h"
#include "walletmodel.h"
#endif
#include "init.h"
#include "rpc/server.h"
#include "scheduler.h"
#include "ui_interface.h"
#include "util.h"
#include "warnings.h"
#ifdef ENABLE_WALLET
#include "wallet/wallet.h"
#endif
#include <stdint.h>
#include <boost/thread.hpp>
#include <QApplication>
#include <QDebug>
#include <QLibraryInfo>
#include <QLocale>
#include <QMessageBox>
#include <QSettings>
#include <QThread>
#include <QTimer>
#include <QTranslator>
#include <QSslConfiguration>
#if defined(QT_STATICPLUGIN)
#include <QtPlugin>
#if QT_VERSION < 0x050000
Q_IMPORT_PLUGIN(qcncodecs)
Q_IMPORT_PLUGIN(qjpcodecs)
Q_IMPORT_PLUGIN(qtwcodecs)
Q_IMPORT_PLUGIN(qkrcodecs)
Q_IMPORT_PLUGIN(qtaccessiblewidgets)
#else
#if QT_VERSION < 0x050400
Q_IMPORT_PLUGIN(AccessibleFactory)
#endif
#if defined(QT_QPA_PLATFORM_XCB)
Q_IMPORT_PLUGIN(QXcbIntegrationPlugin);
#elif defined(QT_QPA_PLATFORM_WINDOWS)
Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin);
#elif defined(QT_QPA_PLATFORM_COCOA)
Q_IMPORT_PLUGIN(QCocoaIntegrationPlugin);
#endif
#endif
#endif
#if QT_VERSION < 0x050000
#include <QTextCodec>
#endif
// Declare meta types used for QMetaObject::invokeMethod
Q_DECLARE_METATYPE(bool*)
Q_DECLARE_METATYPE(CAmount)
static void InitMessage(const std::string &message)
{
LogPrintf("init message: %s\n", message);
}
/*
Translate string to current locale using Qt.
*/
static std::string Translate(const char* psz)
{
return QCoreApplication::translate("bitcoin-core", psz).toStdString();
}
static QString GetLangTerritory()
{
QSettings settings;
// Get desired locale (e.g. "de_DE")
// 1) System default language
QString lang_territory = QLocale::system().name();
// 2) Language from QSettings
QString lang_territory_qsettings = settings.value("language", "").toString();
if(!lang_territory_qsettings.isEmpty())
lang_territory = lang_territory_qsettings;
// 3) -lang command line argument
lang_territory = QString::fromStdString(GetArg("-lang", lang_territory.toStdString()));
return lang_territory;
}
/** Set up translations */
static void initTranslations(QTranslator &qtTranslatorBase, QTranslator &qtTranslator, QTranslator &translatorBase, QTranslator &translator)
{
// Remove old translators
QApplication::removeTranslator(&qtTranslatorBase);
QApplication::removeTranslator(&qtTranslator);
QApplication::removeTranslator(&translatorBase);
QApplication::removeTranslator(&translator);
// Get desired locale (e.g. "de_DE")
// 1) System default language
QString lang_territory = GetLangTerritory();
// Convert to "de" only by truncating "_DE"
QString lang = lang_territory;
lang.truncate(lang_territory.lastIndexOf('_'));
// Load language files for configured locale:
// - First load the translator for the base language, without territory
// - Then load the more specific locale translator
// Load e.g. qt_de.qm
if (qtTranslatorBase.load("qt_" + lang, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
QApplication::installTranslator(&qtTranslatorBase);
// Load e.g. qt_de_DE.qm
if (qtTranslator.load("qt_" + lang_territory, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
QApplication::installTranslator(&qtTranslator);
// Load e.g. bitcoin_de.qm (shortcut "de" needs to be defined in bitcoin.qrc)
if (translatorBase.load(lang, ":/translations/"))
QApplication::installTranslator(&translatorBase);
// Load e.g. bitcoin_de_DE.qm (shortcut "de_DE" needs to be defined in bitcoin.qrc)
if (translator.load(lang_territory, ":/translations/"))
QApplication::installTranslator(&translator);
}
/* qDebug() message handler --> debug.log */
#if QT_VERSION < 0x050000
void DebugMessageHandler(QtMsgType type, const char *msg)
{
if (type == QtDebugMsg) {
LogPrint(BCLog::QT, "GUI: %s\n", msg);
} else {
LogPrintf("GUI: %s\n", msg);
}
}
#else
void DebugMessageHandler(QtMsgType type, const QMessageLogContext& context, const QString &msg)
{
Q_UNUSED(context);
if (type == QtDebugMsg) {
LogPrint(BCLog::QT, "GUI: %s\n", msg.toStdString());
} else {
LogPrintf("GUI: %s\n", msg.toStdString());
}
}
#endif
/** Class encapsulating Bitcoin Core startup and shutdown.
* Allows running startup and shutdown in a different thread from the UI thread.
*/
class BitcoinCore: public QObject
{
Q_OBJECT
public:
explicit BitcoinCore();
public Q_SLOTS:
void initialize();
void shutdown();
Q_SIGNALS:
void initializeResult(bool success);
void shutdownResult();
void runawayException(const QString &message);
private:
boost::thread_group threadGroup;
CScheduler scheduler;
/// Pass fatal exception message to UI thread
void handleRunawayException(const std::exception *e);
};
/** Main Bitcoin application object */
class BitcoinApplication: public QApplication
{
Q_OBJECT
public:
explicit BitcoinApplication(int &argc, char **argv);
~BitcoinApplication();
#ifdef ENABLE_WALLET
/// Create payment server
void createPaymentServer();
#endif
/// parameter interaction/setup based on rules
void parameterSetup();
/// Create options model
void createOptionsModel(bool resetSettings);
/// Create main window
void createWindow(const NetworkStyle *networkStyle);
/// Create splash screen
void createSplashScreen(const NetworkStyle *networkStyle);
/// Request core initialization
void requestInitialize();
/// Request core shutdown
void requestShutdown();
/// Get process return value
int getReturnValue() { return returnValue; }
/// Get window identifier of QMainWindow (BitcoinGUI)
WId getMainWinId() const;
public Q_SLOTS:
void initializeResult(bool success);
void shutdownResult();
/// Handle runaway exceptions. Shows a message box with the problem and quits the program.
void handleRunawayException(const QString &message);
Q_SIGNALS:
void requestedInitialize();
void requestedShutdown();
void stopThread();
void splashFinished(QWidget *window);
private:
QThread *coreThread;
OptionsModel *optionsModel;
ClientModel *clientModel;
BitcoinGUI *window;
QTimer *pollShutdownTimer;
#ifdef ENABLE_WALLET
PaymentServer* paymentServer;
WalletModel *walletModel;
#endif
int returnValue;
const PlatformStyle *platformStyle;
std::unique_ptr<QWidget> shutdownWindow;
void startThread();
};
#include "bitcoin.moc"
BitcoinCore::BitcoinCore():
QObject()
{
}
void BitcoinCore::handleRunawayException(const std::exception *e)
{
PrintExceptionContinue(e, "Runaway exception");
Q_EMIT runawayException(QString::fromStdString(GetWarnings("gui")));
}
void BitcoinCore::initialize()
{
try
{
qDebug() << __func__ << ": Running initialization in thread";
if (!AppInitBasicSetup())
{
Q_EMIT initializeResult(false);
return;
}
if (!AppInitParameterInteraction())
{
Q_EMIT initializeResult(false);
return;
}
if (!AppInitSanityChecks())
{
Q_EMIT initializeResult(false);
return;
}
bool rv = AppInitMain(threadGroup, scheduler);
Q_EMIT initializeResult(rv);
} catch (const std::exception& e) {
handleRunawayException(&e);
} catch (...) {
handleRunawayException(NULL);
}
}
void BitcoinCore::shutdown()
{
try
{
qDebug() << __func__ << ": Running Shutdown in thread";
Interrupt(threadGroup);
threadGroup.join_all();
Shutdown();
qDebug() << __func__ << ": Shutdown finished";
Q_EMIT shutdownResult();
} catch (const std::exception& e) {
handleRunawayException(&e);
} catch (...) {
handleRunawayException(NULL);
}
}
BitcoinApplication::BitcoinApplication(int &argc, char **argv):
QApplication(argc, argv),
coreThread(0),
optionsModel(0),
clientModel(0),
window(0),
pollShutdownTimer(0),
#ifdef ENABLE_WALLET
paymentServer(0),
walletModel(0),
#endif
returnValue(0)
{
setQuitOnLastWindowClosed(false);
// UI per-platform customization
// This must be done inside the BitcoinApplication constructor, or after it, because
// PlatformStyle::instantiate requires a QApplication
std::string platformName;
platformName = GetArg("-uiplatform", BitcoinGUI::DEFAULT_UIPLATFORM);
platformStyle = PlatformStyle::instantiate(QString::fromStdString(platformName));
if (!platformStyle) // Fall back to "other" if specified name not found
platformStyle = PlatformStyle::instantiate("other");
assert(platformStyle);
}
BitcoinApplication::~BitcoinApplication()
{
if(coreThread)
{
qDebug() << __func__ << ": Stopping thread";
Q_EMIT stopThread();
coreThread->wait();
qDebug() << __func__ << ": Stopped thread";
}
delete window;
window = 0;
#ifdef ENABLE_WALLET
delete paymentServer;
paymentServer = 0;
#endif
delete optionsModel;
optionsModel = 0;
delete platformStyle;
platformStyle = 0;
}
#ifdef ENABLE_WALLET
void BitcoinApplication::createPaymentServer()
{
paymentServer = new PaymentServer(this);
}
#endif
void BitcoinApplication::createOptionsModel(bool resetSettings)
{
optionsModel = new OptionsModel(NULL, resetSettings);
}
void BitcoinApplication::createWindow(const NetworkStyle *networkStyle)
{
window = new BitcoinGUI(platformStyle, networkStyle, 0);
pollShutdownTimer = new QTimer(window);
connect(pollShutdownTimer, SIGNAL(timeout()), window, SLOT(detectShutdown()));
pollShutdownTimer->start(200);
}
void BitcoinApplication::createSplashScreen(const NetworkStyle *networkStyle)
{
SplashScreen *splash = new SplashScreen(0, networkStyle);
// We don't hold a direct pointer to the splash screen after creation, but the splash
// screen will take care of deleting itself when slotFinish happens.
splash->show();
connect(this, SIGNAL(splashFinished(QWidget*)), splash, SLOT(slotFinish(QWidget*)));
connect(this, SIGNAL(requestedShutdown()), splash, SLOT(close()));
}
void BitcoinApplication::startThread()
{
if(coreThread)
return;
coreThread = new QThread(this);
BitcoinCore *executor = new BitcoinCore();
executor->moveToThread(coreThread);
/* communication to and from thread */
connect(executor, SIGNAL(initializeResult(bool)), this, SLOT(initializeResult(bool)));
connect(executor, SIGNAL(shutdownResult()), this, SLOT(shutdownResult()));
connect(executor, SIGNAL(runawayException(QString)), this, SLOT(handleRunawayException(QString)));
connect(this, SIGNAL(requestedInitialize()), executor, SLOT(initialize()));
connect(this, SIGNAL(requestedShutdown()), executor, SLOT(shutdown()));
/* make sure executor object is deleted in its own thread */
connect(this, SIGNAL(stopThread()), executor, SLOT(deleteLater()));
connect(this, SIGNAL(stopThread()), coreThread, SLOT(quit()));
coreThread->start();
}
void BitcoinApplication::parameterSetup()
{
InitLogging();
InitParameterInteraction();
}
void BitcoinApplication::requestInitialize()
{
qDebug() << __func__ << ": Requesting initialize";
startThread();
Q_EMIT requestedInitialize();
}
void BitcoinApplication::requestShutdown()
{
// Show a simple window indicating shutdown status
// Do this first as some of the steps may take some time below,
// for example the RPC console may still be executing a command.
shutdownWindow.reset(ShutdownWindow::showShutdownWindow(window));
qDebug() << __func__ << ": Requesting shutdown";
startThread();
window->hide();
window->setClientModel(0);
pollShutdownTimer->stop();
#ifdef ENABLE_WALLET
window->removeAllWallets();
delete walletModel;
walletModel = 0;
#endif
delete clientModel;
clientModel = 0;
StartShutdown();
// Request shutdown from core thread
Q_EMIT requestedShutdown();
}
void BitcoinApplication::initializeResult(bool success)
{
qDebug() << __func__ << ": Initialization result: " << success;
// Set exit result.
returnValue = success ? EXIT_SUCCESS : EXIT_FAILURE;
if(success)
{
// Log this only after AppInitMain finishes, as then logging setup is guaranteed complete
qWarning() << "Platform customization:" << platformStyle->getName();
#ifdef ENABLE_WALLET
PaymentServer::LoadRootCAs();
paymentServer->setOptionsModel(optionsModel);
#endif
clientModel = new ClientModel(optionsModel);
window->setClientModel(clientModel);
#ifdef ENABLE_WALLET
if(pwalletMain)
{
walletModel = new WalletModel(platformStyle, pwalletMain, optionsModel);
window->addWallet(BitcoinGUI::DEFAULT_WALLET, walletModel);
window->setCurrentWallet(BitcoinGUI::DEFAULT_WALLET);
connect(walletModel, SIGNAL(coinsSent(CWallet*,SendCoinsRecipient,QByteArray)),
paymentServer, SLOT(fetchPaymentACK(CWallet*,const SendCoinsRecipient&,QByteArray)));
}
#endif
// If -min option passed, start window minimized.
if(GetBoolArg("-min", false))
{
window->showMinimized();
}
else
{
window->show();
}
Q_EMIT splashFinished(window);
#ifdef ENABLE_WALLET
// Now that initialization/startup is done, process any command-line
// bitcoin: URIs or payment requests:
connect(paymentServer, SIGNAL(receivedPaymentRequest(SendCoinsRecipient)),
window, SLOT(handlePaymentRequest(SendCoinsRecipient)));
connect(window, SIGNAL(receivedURI(QString)),
paymentServer, SLOT(handleURIOrFile(QString)));
connect(paymentServer, SIGNAL(message(QString,QString,unsigned int)),
window, SLOT(message(QString,QString,unsigned int)));
QTimer::singleShot(100, paymentServer, SLOT(uiReady()));
#endif
} else {
quit(); // Exit main loop
}
}
void BitcoinApplication::shutdownResult()
{
quit(); // Exit main loop after shutdown finished
}
void BitcoinApplication::handleRunawayException(const QString &message)
{
QMessageBox::critical(0, "Runaway exception", BitcoinGUI::tr("A fatal error occurred. Bitcoin can no longer continue safely and will quit.") + QString("\n\n") + message);
::exit(EXIT_FAILURE);
}
WId BitcoinApplication::getMainWinId() const
{
if (!window)
return 0;
return window->winId();
}
#ifndef BITCOIN_QT_TEST
int main(int argc, char *argv[])
{
SetupEnvironment();
/// 1. Parse command-line options. These take precedence over anything else.
// Command-line options take precedence:
ParseParameters(argc, argv);
// Do not refer to data directory yet, this can be overridden by Intro::pickDataDirectory
/// 2. Basic Qt initialization (not dependent on parameters or configuration)
#if QT_VERSION < 0x050000
// Internal string conversion is all UTF-8
QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));
QTextCodec::setCodecForCStrings(QTextCodec::codecForTr());
#endif
Q_INIT_RESOURCE(bitcoin);
Q_INIT_RESOURCE(bitcoin_locale);
BitcoinApplication app(argc, argv);
#if QT_VERSION > 0x050100
// Generate high-dpi pixmaps
QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
#endif
#if QT_VERSION >= 0x050600
QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
#endif
#ifdef Q_OS_MAC
QApplication::setAttribute(Qt::AA_DontShowIconsInMenus);
#endif
#if QT_VERSION >= 0x050500
// Because of the POODLE attack it is recommended to disable SSLv3 (https://disablessl3.com/),
// so set SSL protocols to TLS1.0+.
QSslConfiguration sslconf = QSslConfiguration::defaultConfiguration();
sslconf.setProtocol(QSsl::TlsV1_0OrLater);
QSslConfiguration::setDefaultConfiguration(sslconf);
#endif
// Register meta types used for QMetaObject::invokeMethod
qRegisterMetaType< bool* >();
// Need to pass name here as CAmount is a typedef (see http://qt-project.org/doc/qt-5/qmetatype.html#qRegisterMetaType)
// IMPORTANT if it is no longer a typedef use the normal variant above
qRegisterMetaType< CAmount >("CAmount");
/// 3. Application identification
// must be set before OptionsModel is initialized or translations are loaded,
// as it is used to locate QSettings
QApplication::setOrganizationName(QAPP_ORG_NAME);
QApplication::setOrganizationDomain(QAPP_ORG_DOMAIN);
QApplication::setApplicationName(QAPP_APP_NAME_DEFAULT);
GUIUtil::SubstituteFonts(GetLangTerritory());
/// 4. Initialization of translations, so that intro dialog is in user's language
// Now that QSettings are accessible, initialize translations
QTranslator qtTranslatorBase, qtTranslator, translatorBase, translator;
initTranslations(qtTranslatorBase, qtTranslator, translatorBase, translator);
translationInterface.Translate.connect(Translate);
// Show help message immediately after parsing command-line options (for "-lang") and setting locale,
// but before showing splash screen.
if (IsArgSet("-?") || IsArgSet("-h") || IsArgSet("-help") || IsArgSet("-version"))
{
HelpMessageDialog help(NULL, IsArgSet("-version"));
help.showOrPrint();
return EXIT_SUCCESS;
}
/// 5. Now that settings and translations are available, ask user for data directory
// User language is set up: pick a data directory
if (!Intro::pickDataDirectory())
return EXIT_SUCCESS;
/// 6. Determine availability of data directory and parse bitcoin.conf
/// - Do not call GetDataDir(true) before this step finishes
if (!fs::is_directory(GetDataDir(false)))
{
QMessageBox::critical(0, QObject::tr(PACKAGE_NAME),
QObject::tr("Error: Specified data directory \"%1\" does not exist.").arg(QString::fromStdString(GetArg("-datadir", ""))));
return EXIT_FAILURE;
}
try {
ReadConfigFile(GetArg("-conf", BITCOIN_CONF_FILENAME));
} catch (const std::exception& e) {
QMessageBox::critical(0, QObject::tr(PACKAGE_NAME),
QObject::tr("Error: Cannot parse configuration file: %1. Only use key=value syntax.").arg(e.what()));
return EXIT_FAILURE;
}
/// 7. Determine network (and switch to network specific options)
// - Do not call Params() before this step
// - Do this after parsing the configuration file, as the network can be switched there
// - QSettings() will use the new application name after this, resulting in network-specific settings
// - Needs to be done before createOptionsModel
// Check for -testnet or -regtest parameter (Params() calls are only valid after this clause)
try {
SelectParams(ChainNameFromCommandLine());
} catch(std::exception &e) {
QMessageBox::critical(0, QObject::tr(PACKAGE_NAME), QObject::tr("Error: %1").arg(e.what()));
return EXIT_FAILURE;
}
#ifdef ENABLE_WALLET
// Parse URIs on command line -- this can affect Params()
PaymentServer::ipcParseCommandLine(argc, argv);
#endif
QScopedPointer<const NetworkStyle> networkStyle(NetworkStyle::instantiate(QString::fromStdString(Params().NetworkIDString())));
assert(!networkStyle.isNull());
// Allow for separate UI settings for testnets
QApplication::setApplicationName(networkStyle->getAppName());
// Re-initialize translations after changing application name (language in network-specific settings can be different)
initTranslations(qtTranslatorBase, qtTranslator, translatorBase, translator);
#ifdef ENABLE_WALLET
/// 8. URI IPC sending
// - Do this early as we don't want to bother initializing if we are just calling IPC
// - Do this *after* setting up the data directory, as the data directory hash is used in the name
// of the server.
// - Do this after creating app and setting up translations, so errors are
// translated properly.
if (PaymentServer::ipcSendCommandLine())
exit(EXIT_SUCCESS);
// Start up the payment server early, too, so impatient users that click on
// bitcoin: links repeatedly have their payment requests routed to this process:
app.createPaymentServer();
#endif
/// 9. Main GUI initialization
// Install global event filter that makes sure that long tooltips can be word-wrapped
app.installEventFilter(new GUIUtil::ToolTipToRichTextFilter(TOOLTIP_WRAP_THRESHOLD, &app));
#if QT_VERSION < 0x050000
// Install qDebug() message handler to route to debug.log
qInstallMsgHandler(DebugMessageHandler);
#else
#if defined(Q_OS_WIN)
// Install global event filter for processing Windows session related Windows messages (WM_QUERYENDSESSION and WM_ENDSESSION)
qApp->installNativeEventFilter(new WinShutdownMonitor());
#endif
// Install qDebug() message handler to route to debug.log
qInstallMessageHandler(DebugMessageHandler);
#endif
// Allow parameter interaction before we create the options model
app.parameterSetup();
// Load GUI settings from QSettings
app.createOptionsModel(IsArgSet("-resetguisettings"));
// Subscribe to global signals from core
uiInterface.InitMessage.connect(InitMessage);
if (GetBoolArg("-splash", DEFAULT_SPLASHSCREEN) && !GetBoolArg("-min", false))
app.createSplashScreen(networkStyle.data());
try
{
app.createWindow(networkStyle.data());
app.requestInitialize();
#if defined(Q_OS_WIN) && QT_VERSION >= 0x050000
WinShutdownMonitor::registerShutdownBlockReason(QObject::tr("%1 didn't yet exit safely...").arg(QObject::tr(PACKAGE_NAME)), (HWND)app.getMainWinId());
#endif
app.exec();
app.requestShutdown();
app.exec();
} catch (const std::exception& e) {
PrintExceptionContinue(&e, "Runaway exception");
app.handleRunawayException(QString::fromStdString(GetWarnings("gui")));
} catch (...) {
PrintExceptionContinue(NULL, "Runaway exception");
app.handleRunawayException(QString::fromStdString(GetWarnings("gui")));
}
return app.getReturnValue();
}
#endif // BITCOIN_QT_TEST