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 #include "qtwin.h"
   9
  10 #include "headers.h"
  11 #include "init.h"
  12
  13 #include <QApplication>
  14 #include <QMessageBox>
  15 #include <QThread>
  16 #include <QTextCodec>
  17 #include <QLocale>
  18 #include <QTranslator>
  19 #include <QSplashScreen>
  20
  21 // Need a global reference for the notifications to find the GUI
  22 BitcoinGUI *guiref;
  23 QSplashScreen *splashref;
  24
  25 int MyMessageBox(const std::string& message, const std::string& caption, int style, wxWindow* parent, int x, int y)
  26 {
  27     // Message from main thread
  28     if(guiref)
  29     {
  30         guiref->error(QString::fromStdString(caption),
  31                       QString::fromStdString(message));
  32     }
  33     else
  34     {
  35         QMessageBox::critical(0, QString::fromStdString(caption),
  36             QString::fromStdString(message),
  37             QMessageBox::Ok, QMessageBox::Ok);
  38     }
  39     return 4;
  40 }
  41
  42 int ThreadSafeMessageBox(const std::string& message, const std::string& caption, int style, wxWindow* parent, int x, int y)
  43 {
  44     // Message from network thread
  45     if(guiref)
  46     {
  47         QMetaObject::invokeMethod(guiref, "error", Qt::QueuedConnection,
  48                                    Q_ARG(QString, QString::fromStdString(caption)),
  49                                    Q_ARG(QString, QString::fromStdString(message)));
  50     }
  51     else
  52     {
  53         printf("%s: %s\n", caption.c_str(), message.c_str());
  54         fprintf(stderr, "%s: %s\n", caption.c_str(), message.c_str());
  55     }
  56     return 4;
  57 }
  58
  59 bool ThreadSafeAskFee(int64 nFeeRequired, const std::string& strCaption, wxWindow* parent)
  60 {
  61     if(!guiref)
  62         return false;
  63     if(nFeeRequired < MIN_TX_FEE || nFeeRequired <= nTransactionFee || fDaemon)
  64         return true;
  65     bool payFee = false;
  66
  67     // Call slot on GUI thread.
  68     // If called from another thread, use a blocking QueuedConnection.
  69     Qt::ConnectionType connectionType = Qt::DirectConnection;
  70     if(QThread::currentThread() != QCoreApplication::instance()->thread())
  71     {
  72         connectionType = Qt::BlockingQueuedConnection;
  73     }
  74
  75     QMetaObject::invokeMethod(guiref, "askFee", connectionType,
  76                                Q_ARG(qint64, nFeeRequired),
  77                                Q_ARG(bool*, &payFee));
  78
  79     return payFee;
  80 }
  81
  82 void CalledSetStatusBar(const std::string& strText, int nField)
  83 {
  84     // Only used for built-in mining, which is disabled, simple ignore
  85 }
  86
  87 void UIThreadCall(boost::function0<void> fn)
  88 {
  89     // Only used for built-in mining, which is disabled, simple ignore
  90 }
  91
  92 void MainFrameRepaint()
  93 {
  94 }
  95
  96 void InitMessage(const std::string &message)
  97 {
  98     if(splashref)
  99     {
 100         splashref->showMessage(QString::fromStdString(message), Qt::AlignBottom|Qt::AlignHCenter, QColor(255,255,200));
 101         QApplication::instance()->processEvents();
 102     }
 103 }
 104
 105 /*
 106    Translate string to current locale using Qt.
 107  */
 108 std::string _(const char* psz)
 109 {
 110     return QCoreApplication::translate("bitcoin-core", psz).toStdString();
 111 }
 112
 113 int main(int argc, char *argv[])
 114 {
 115     QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));
 116     QTextCodec::setCodecForCStrings(QTextCodec::codecForTr());
 117
 118     Q_INIT_RESOURCE(bitcoin);
 119     QApplication app(argc, argv);
 120
 121     // Load language file for system locale
 122     QString locale = QLocale::system().name();
 123     QTranslator translator;
 124     translator.load("bitcoin_"+locale);
 125     app.installTranslator(&translator);
 126
 127     QSplashScreen splash(QPixmap(":/images/splash"), 0);
 128     splash.show();
 129     splash.setAutoFillBackground(true);
 130     splashref = &splash;
 131
 132     app.processEvents();
 133
 134     app.setQuitOnLastWindowClosed(false);
 135
 136     try
 137     {
 138         if(AppInit2(argc, argv))
 139         {
 140             {
 141                 // Put this in a block, so that BitcoinGUI is cleaned up properly before
 142                 // calling Shutdown().
 143                 BitcoinGUI window;
 144                 splash.finish(&window);
 145                 OptionsModel optionsModel(pwalletMain);
 146                 ClientModel clientModel(&optionsModel);
 147                 WalletModel walletModel(pwalletMain, &optionsModel);
 148
 149                 guiref = &window;
 150                 window.setClientModel(&clientModel);
 151                 window.setWalletModel(&walletModel);
 152
 153                 if (QtWin::isCompositionEnabled())
 154                 {
 155 #ifdef Q_OS_WIN
 156                     // Windows-specific customization
 157                     window.setAttribute(Qt::WA_TranslucentBackground);
 158                     window.setAttribute(Qt::WA_NoSystemBackground, false);
 159                     QPalette pal = window.palette();
 160                     QColor bg = pal.window().color();
 161                     bg.setAlpha(0);
 162                     pal.setColor(QPalette::Window, bg);
 163                     window.setPalette(pal);
 164                     window.ensurePolished();
 165                     window.setAttribute(Qt::WA_StyledBackground, false);
 166 #endif
 167                     QtWin::extendFrameIntoClientArea(&window);
 168                     window.setContentsMargins(0, 0, 0, 0);
 169                 }
 170
 171                 window.show();
 172
 173                 app.exec();
 174
 175                 guiref = 0;
 176             }
 177             Shutdown(NULL);
 178         }
 179         else
 180         {
 181             return 1;
 182         }
 183     } catch (std::exception& e) {
 184         PrintException(&e, "Runaway exception");
 185     } catch (...) {
 186         PrintException(NULL, "Runaway exception");
 187     }
 188     return 0;
 189 }