src/qt/bitcoin.cpp

   1 /*
   2  * W.J. van der Laan 2011-2012
   3  */
   4 #include "bitcoingui.h"
   5 #include "clientmodel.h"
   6 #include "walletmodel.h"
   7 #include "optionsmodel.h"
   8
   9 #include "headers.h"
  10 #include "init.h"
  11 #include "qtipcserver.h"
  12 #include "util.h"
  13
  14 #include <QApplication>
  15 #include <QMessageBox>
  16 #include <QThread>
  17 #include <QTextCodec>
  18 #include <QLocale>
  19 #include <QTranslator>
  20 #include <QSplashScreen>
  21 #include <QLibraryInfo>
  22
  23 #include <boost/interprocess/ipc/message_queue.hpp>
  24
  25 // Need a global reference for the notifications to find the GUI
  26 BitcoinGUI *guiref;
  27 QSplashScreen *splashref;
  28
  29 int MyMessageBox(const std::string& message, const std::string& caption, int style, wxWindow* parent, int x, int y)
  30 {
  31     // Message from AppInit2(), always in main thread before main window is constructed
  32     QMessageBox::critical(0, QString::fromStdString(caption),
  33         QString::fromStdString(message),
  34         QMessageBox::Ok, QMessageBox::Ok);
  35     return 4;
  36 }
  37
  38 int ThreadSafeMessageBox(const std::string& message, const std::string& caption, int style, wxWindow* parent, int x, int y)
  39 {
  40     bool modal = style & wxMODAL;
  41
  42     if (modal)
  43         while (!guiref)
  44             Sleep(1000);
  45
  46     // Message from network thread
  47     if(guiref)
  48     {
  49         QMetaObject::invokeMethod(guiref, "error", Qt::QueuedConnection,
  50                                    Q_ARG(QString, QString::fromStdString(caption)),
  51                                    Q_ARG(QString, QString::fromStdString(message)),
  52                                    Q_ARG(bool, modal));
  53     }
  54     else
  55     {
  56         printf("%s: %s\n", caption.c_str(), message.c_str());
  57         fprintf(stderr, "%s: %s\n", caption.c_str(), message.c_str());
  58     }
  59     return 4;
  60 }
  61
  62 bool ThreadSafeAskFee(int64 nFeeRequired, const std::string& strCaption, wxWindow* parent)
  63 {
  64     if(!guiref)
  65         return false;
  66     if(nFeeRequired < MIN_TX_FEE || nFeeRequired <= nTransactionFee || fDaemon)
  67         return true;
  68     bool payFee = false;
  69
  70     // Call slot on GUI thread.
  71     // If called from another thread, use a blocking QueuedConnection.
  72     Qt::ConnectionType connectionType = Qt::DirectConnection;
  73     if(QThread::currentThread() != QCoreApplication::instance()->thread())
  74     {
  75         connectionType = Qt::BlockingQueuedConnection;
  76     }
  77
  78     QMetaObject::invokeMethod(guiref, "askFee", connectionType,
  79                                Q_ARG(qint64, nFeeRequired),
  80                                Q_ARG(bool*, &payFee));
  81
  82     return payFee;
  83 }
  84
  85 void ThreadSafeHandleURI(const std::string& strURI)
  86 {
  87     if(!guiref)
  88         return;
  89
  90     // Call slot on GUI thread.
  91     // If called from another thread, use a blocking QueuedConnection.
  92     Qt::ConnectionType connectionType = Qt::DirectConnection;
  93     if(QThread::currentThread() != QCoreApplication::instance()->thread())
  94     {
  95         connectionType = Qt::BlockingQueuedConnection;
  96     }
  97     QMetaObject::invokeMethod(guiref, "handleURI", connectionType,
  98                                Q_ARG(QString, QString::fromStdString(strURI)));
  99 }
 100
 101 void CalledSetStatusBar(const std::string& strText, int nField)
 102 {
 103     // Only used for built-in mining, which is disabled, simple ignore
 104 }
 105
 106 void UIThreadCall(boost::function0<void> fn)
 107 {
 108     // Only used for built-in mining, which is disabled, simple ignore
 109 }
 110
 111 void MainFrameRepaint()
 112 {
 113     if(guiref)
 114         QMetaObject::invokeMethod(guiref, "refreshStatusBar", Qt::QueuedConnection);
 115 }
 116
 117 void InitMessage(const std::string &message)
 118 {
 119     if(splashref)
 120     {
 121         splashref->showMessage(QString::fromStdString(message), Qt::AlignBottom|Qt::AlignHCenter, QColor(255,255,200));
 122         QApplication::instance()->processEvents();
 123     }
 124 }
 125
 126 void QueueShutdown()
 127 {
 128     QMetaObject::invokeMethod(QCoreApplication::instance(), "quit", Qt::QueuedConnection);
 129 }
 130
 131 /*
 132    Translate string to current locale using Qt.
 133  */
 134 std::string _(const char* psz)
 135 {
 136     return QCoreApplication::translate("bitcoin-core", psz).toStdString();
 137 }
 138
 139 /* Handle runaway exceptions. Shows a message box with the problem and quits the program.
 140  */
 141 static void handleRunawayException(std::exception *e)
 142 {
 143     PrintExceptionContinue(e, "Runaway exception");
 144     QMessageBox::critical(0, "Runaway exception", BitcoinGUI::tr("A fatal error occured. Bitcoin can no longer continue safely and will quit.") + QString("\n\n") + QString::fromStdString(strMiscWarning));
 145     exit(1);
 146 }
 147
 148 #ifndef BITCOIN_QT_TEST
 149 int main(int argc, char *argv[])
 150 {
 151 #if !defined(MAC_OSX) && !defined(WIN32)
 152 // TODO: implement qtipcserver.cpp for Mac and Windows
 153
 154     // Do this early as we don't want to bother initializing if we are just calling IPC
 155     for (int i = 1; i < argc; i++)
 156     {
 157         if (strlen(argv[i]) > 7 && strncasecmp(argv[i], "bitcoin:", 8) == 0)
 158         {
 159             const char *strURI = argv[i];
 160             try {
 161                 boost::interprocess::message_queue mq(boost::interprocess::open_only, BITCOINURI_QUEUE_NAME);
 162                 if(mq.try_send(strURI, strlen(strURI), 0))
 163                     exit(0);
 164                 else
 165                     break;
 166             }
 167             catch (boost::interprocess::interprocess_exception &ex) {
 168                 break;
 169             }
 170         }
 171     }
 172 #endif
 173
 174     // Internal string conversion is all UTF-8
 175     QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));
 176     QTextCodec::setCodecForCStrings(QTextCodec::codecForTr());
 177
 178     Q_INIT_RESOURCE(bitcoin);
 179     QApplication app(argc, argv);
 180
 181     // Command-line options take precedence:
 182     ParseParameters(argc, argv);
 183
 184     // ... then bitcoin.conf:
 185     if (!ReadConfigFile(mapArgs, mapMultiArgs))
 186     {
 187         fprintf(stderr, "Error: Specified directory does not exist\n");
 188         return 1;
 189     }
 190
 191     // Application identification (must be set before OptionsModel is initialized,
 192     // as it is used to locate QSettings)
 193     app.setOrganizationName("Bitcoin");
 194     app.setOrganizationDomain("bitcoin.org");
 195     if(GetBoolArg("-testnet")) // Separate UI settings for testnet
 196         app.setApplicationName("Bitcoin-Qt-testnet");
 197     else
 198         app.setApplicationName("Bitcoin-Qt");
 199
 200     // ... then GUI settings:
 201     OptionsModel optionsModel;
 202
 203     // Get desired locale ("en_US") from command line or system locale
 204     QString lang_territory = QString::fromStdString(GetArg("-lang", QLocale::system().name().toStdString()));
 205     // Load language files for configured locale:
 206     // - First load the translator for the base language, without territory
 207     // - Then load the more specific locale translator
 208     QString lang = lang_territory;
 209
 210     lang.truncate(lang_territory.lastIndexOf('_')); // "en"
 211     QTranslator qtTranslatorBase, qtTranslator, translatorBase, translator;
 212
 213     qtTranslatorBase.load(QLibraryInfo::location(QLibraryInfo::TranslationsPath) + "/qt_" + lang);
 214     if (!qtTranslatorBase.isEmpty())
 215         app.installTranslator(&qtTranslatorBase);
 216
 217     qtTranslator.load(QLibraryInfo::location(QLibraryInfo::TranslationsPath) + "/qt_" + lang_territory);
 218     if (!qtTranslator.isEmpty())
 219         app.installTranslator(&qtTranslator);
 220
 221     translatorBase.load(":/translations/"+lang);
 222     if (!translatorBase.isEmpty())
 223         app.installTranslator(&translatorBase);
 224
 225     translator.load(":/translations/"+lang_territory);
 226     if (!translator.isEmpty())
 227         app.installTranslator(&translator);
 228
 229     QSplashScreen splash(QPixmap(":/images/splash"), 0);
 230     if (GetBoolArg("-splash", true) && !GetBoolArg("-min"))
 231     {
 232         splash.show();
 233         splash.setAutoFillBackground(true);
 234         splashref = &splash;
 235     }
 236
 237     app.processEvents();
 238
 239     app.setQuitOnLastWindowClosed(false);
 240
 241     try
 242     {
 243         if(AppInit2(argc, argv))
 244         {
 245             {
 246                 // Put this in a block, so that BitcoinGUI is cleaned up properly before
 247                 // calling Shutdown() in case of exceptions.
 248
 249                 optionsModel.Upgrade(); // Must be done after AppInit2
 250
 251                 BitcoinGUI window;
 252                 if (splashref)
 253                     splash.finish(&window);
 254
 255                 ClientModel clientModel(&optionsModel);
 256                 WalletModel walletModel(pwalletMain, &optionsModel);
 257
 258                 guiref = &window;
 259                 window.setClientModel(&clientModel);
 260                 window.setWalletModel(&walletModel);
 261
 262                 // If -min option passed, start window minimized.
 263                 if(GetBoolArg("-min"))
 264                 {
 265                     window.showMinimized();
 266                 }
 267                 else
 268                 {
 269                     window.show();
 270                 }
 271
 272                 // Place this here as guiref has to be defined if we dont want to lose URIs
 273                 ipcInit();
 274
 275 #if !defined(MAC_OSX) && !defined(WIN32)
 276 // TODO: implement qtipcserver.cpp for Mac and Windows
 277
 278                 // Check for URI in argv
 279                 for (int i = 1; i < argc; i++)
 280                 {
 281                     if (strlen(argv[i]) > 7 && strncasecmp(argv[i], "bitcoin:", 8) == 0)
 282                     {
 283                         const char *strURI = argv[i];
 284                         try {
 285                             boost::interprocess::message_queue mq(boost::interprocess::open_only, BITCOINURI_QUEUE_NAME);
 286                             mq.try_send(strURI, strlen(strURI), 0);
 287                         }
 288                         catch (boost::interprocess::interprocess_exception &ex) {
 289                         }
 290                     }
 291                 }
 292 #endif
 293                 app.exec();
 294
 295                 window.hide();
 296                 guiref = 0;
 297             }
 298             // Shutdown the core and it's threads, but don't exit Bitcoin-Qt here
 299             Shutdown(NULL);
 300         }
 301         else
 302         {
 303             return 1;
 304         }
 305     } catch (std::exception& e) {
 306         handleRunawayException(&e);
 307     } catch (...) {
 308         handleRunawayException(NULL);
 309     }
 310     return 0;
 311 }
 312 #endif // BITCOIN_QT_TEST