src/qt/bitcoin.cpp

   1 /*
   2  * W.J. van der Laan 2011
   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 "util.h"
  12
  13 #include <QApplication>
  14 #include <QMessageBox>
  15 #include <QThread>
  16 #include <QTextCodec>
  17 #include <QLocale>
  18 #include <QTranslator>
  19 #include <QSplashScreen>
  20 #include <QLibraryInfo>
  21
  22 // Need a global reference for the notifications to find the GUI
  23 BitcoinGUI *guiref;
  24 QSplashScreen *splashref;
  25
  26 int MyMessageBox(const std::string& message, const std::string& caption, int style, wxWindow* parent, int x, int y)
  27 {
  28     // Message from main thread
  29     if(guiref)
  30     {
  31         guiref->error(QString::fromStdString(caption),
  32                       QString::fromStdString(message));
  33     }
  34     else
  35     {
  36         QMessageBox::critical(0, QString::fromStdString(caption),
  37             QString::fromStdString(message),
  38             QMessageBox::Ok, QMessageBox::Ok);
  39     }
  40     return 4;
  41 }
  42
  43 int ThreadSafeMessageBox(const std::string& message, const std::string& caption, int style, wxWindow* parent, int x, int y)
  44 {
  45     bool modal = style & wxMODAL;
  46
  47     if (modal)
  48         while (!guiref)
  49             Sleep(1000);
  50
  51     // Message from network thread
  52     if(guiref)
  53     {
  54         QMetaObject::invokeMethod(guiref, "error", Qt::QueuedConnection,
  55                                    Q_ARG(QString, QString::fromStdString(caption)),
  56                                    Q_ARG(QString, QString::fromStdString(message)),
  57                                    Q_ARG(bool, modal));
  58     }
  59     else
  60     {
  61         printf("%s: %s\n", caption.c_str(), message.c_str());
  62         fprintf(stderr, "%s: %s\n", caption.c_str(), message.c_str());
  63     }
  64     return 4;
  65 }
  66
  67 bool ThreadSafeAskFee(int64 nFeeRequired, const std::string& strCaption, wxWindow* parent)
  68 {
  69     if(!guiref)
  70         return false;
  71     if(nFeeRequired < MIN_TX_FEE || nFeeRequired <= nTransactionFee || fDaemon)
  72         return true;
  73     bool payFee = false;
  74
  75     // Call slot on GUI thread.
  76     // If called from another thread, use a blocking QueuedConnection.
  77     Qt::ConnectionType connectionType = Qt::DirectConnection;
  78     if(QThread::currentThread() != QCoreApplication::instance()->thread())
  79     {
  80         connectionType = Qt::BlockingQueuedConnection;
  81     }
  82
  83     QMetaObject::invokeMethod(guiref, "askFee", connectionType,
  84                                Q_ARG(qint64, nFeeRequired),
  85                                Q_ARG(bool*, &payFee));
  86
  87     return payFee;
  88 }
  89
  90 void CalledSetStatusBar(const std::string& strText, int nField)
  91 {
  92     // Only used for built-in mining, which is disabled, simple ignore
  93 }
  94
  95 void UIThreadCall(boost::function0<void> fn)
  96 {
  97     // Only used for built-in mining, which is disabled, simple ignore
  98 }
  99
 100 void MainFrameRepaint()
 101 {
 102     if(guiref)
 103         QMetaObject::invokeMethod(guiref, "refreshStatusBar", Qt::QueuedConnection);
 104 }
 105
 106 void InitMessage(const std::string &message)
 107 {
 108     if(splashref)
 109     {
 110         splashref->showMessage(QString::fromStdString(message), Qt::AlignBottom|Qt::AlignHCenter, QColor(255,255,200));
 111         QApplication::instance()->processEvents();
 112     }
 113 }
 114
 115 /*
 116    Translate string to current locale using Qt.
 117  */
 118 std::string _(const char* psz)
 119 {
 120     return QCoreApplication::translate("bitcoin-core", psz).toStdString();
 121 }
 122
 123 /* Handle runaway exceptions. Shows a message box with the problem and quits the program.
 124  */
 125 static void handleRunawayException(std::exception *e)
 126 {
 127     PrintExceptionContinue(e, "Runaway exception");
 128     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));
 129     exit(1);
 130 }
 131
 132 int main(int argc, char *argv[])
 133 {
 134     QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));
 135     QTextCodec::setCodecForCStrings(QTextCodec::codecForTr());
 136
 137     Q_INIT_RESOURCE(bitcoin);
 138     QApplication app(argc, argv);
 139
 140     // Load language files for system locale:
 141     // - First load the translator for the base language, without territory
 142     // - Then load the more specific locale translator
 143     QString lang_territory = QLocale::system().name(); // "en_US"
 144     QString lang = lang_territory;
 145     lang.truncate(lang_territory.lastIndexOf('_')); // "en"
 146     QTranslator qtTranslatorBase, qtTranslator, translatorBase, translator;
 147
 148     qtTranslatorBase.load(QLibraryInfo::location(QLibraryInfo::TranslationsPath) + "/qt_" + lang);
 149     if (!qtTranslatorBase.isEmpty())
 150         app.installTranslator(&qtTranslatorBase);
 151
 152     qtTranslator.load(QLibraryInfo::location(QLibraryInfo::TranslationsPath) + "/qt_" + lang_territory);
 153     if (!qtTranslator.isEmpty())
 154         app.installTranslator(&qtTranslator);
 155
 156     translatorBase.load(":/translations/"+lang);
 157     if (!translatorBase.isEmpty())
 158         app.installTranslator(&translatorBase);
 159
 160     translator.load(":/translations/"+lang_territory);
 161     if (!translator.isEmpty())
 162         app.installTranslator(&translator);
 163
 164     app.setApplicationName(QApplication::translate("main", "Bitcoin-Qt"));
 165
 166     QSplashScreen splash(QPixmap(":/images/splash"), 0);
 167     if (!GetBoolArg("-min"))
 168     {
 169         splash.show();
 170         splash.setAutoFillBackground(true);
 171         splashref = &splash;
 172     }
 173
 174     app.processEvents();
 175
 176     app.setQuitOnLastWindowClosed(false);
 177
 178     try
 179     {
 180         if(AppInit2(argc, argv))
 181         {
 182             {
 183                 // Put this in a block, so that BitcoinGUI is cleaned up properly before
 184                 // calling Shutdown() in case of exceptions.
 185                 BitcoinGUI window;
 186                 if (splashref)
 187                     splash.finish(&window);
 188                 OptionsModel optionsModel(pwalletMain);
 189                 ClientModel clientModel(&optionsModel);
 190                 WalletModel walletModel(pwalletMain, &optionsModel);
 191
 192                 guiref = &window;
 193                 window.setClientModel(&clientModel);
 194                 window.setWalletModel(&walletModel);
 195
 196                 // If -min option passed, start window minimized.
 197                 if(GetBoolArg("-min"))
 198                 {
 199                     window.showMinimized();
 200                 }
 201                 else
 202                 {
 203                     window.show();
 204                 }
 205
 206                 app.exec();
 207
 208                 window.hide();
 209                 guiref = 0;
 210             }
 211             Shutdown(NULL);
 212         }
 213         else
 214         {
 215             return 1;
 216         }
 217     } catch (std::exception& e) {
 218         handleRunawayException(&e);
 219     } catch (...) {
 220         handleRunawayException(NULL);
 221     }
 222     return 0;
 223 }