diff options
Diffstat (limited to 'src/qt/guiutil.h')
-rw-r--r-- | src/qt/guiutil.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/qt/guiutil.h b/src/qt/guiutil.h index 6395ec6abd..a1cf274354 100644 --- a/src/qt/guiutil.h +++ b/src/qt/guiutil.h @@ -9,18 +9,23 @@ #include <fs.h> #include <net.h> #include <netaddress.h> +#include <util/check.h> +#include <QApplication> #include <QEvent> #include <QHeaderView> #include <QItemDelegate> #include <QLabel> #include <QMessageBox> +#include <QMetaObject> #include <QObject> #include <QProgressBar> #include <QString> #include <QTableView> +#include <cassert> #include <chrono> +#include <utility> class QValidatedLineEdit; class SendCoinsRecipient; @@ -327,6 +332,58 @@ namespace GUIUtil QObject::connect(&source, &QObject::destroyed, object, std::forward<Fn>(function), connection); } + /** + * Replaces a plain text link with an HTML tagged one. + */ + QString MakeHtmlLink(const QString& source, const QString& link); + + void PrintSlotException( + const std::exception* exception, + const QObject* sender, + const QObject* receiver); + + /** + * A drop-in replacement of QObject::connect function + * (see: https://doc.qt.io/qt-5/qobject.html#connect-3), that + * guaranties that all exceptions are handled within the slot. + * + * NOTE: This function is incompatible with Qt private signals. + */ + template <typename Sender, typename Signal, typename Receiver, typename Slot> + auto ExceptionSafeConnect( + Sender sender, Signal signal, Receiver receiver, Slot method, + Qt::ConnectionType type = Qt::AutoConnection) + { + return QObject::connect( + sender, signal, receiver, + [sender, receiver, method](auto&&... args) { + bool ok{true}; + try { + (receiver->*method)(std::forward<decltype(args)>(args)...); + } catch (const NonFatalCheckError& e) { + PrintSlotException(&e, sender, receiver); + ok = QMetaObject::invokeMethod( + qApp, "handleNonFatalException", + blockingGUIThreadConnection(), + Q_ARG(QString, QString::fromStdString(e.what()))); + } catch (const std::exception& e) { + PrintSlotException(&e, sender, receiver); + ok = QMetaObject::invokeMethod( + qApp, "handleRunawayException", + blockingGUIThreadConnection(), + Q_ARG(QString, QString::fromStdString(e.what()))); + } catch (...) { + PrintSlotException(nullptr, sender, receiver); + ok = QMetaObject::invokeMethod( + qApp, "handleRunawayException", + blockingGUIThreadConnection(), + Q_ARG(QString, "Unknown failure occurred.")); + } + assert(ok); + }, + type); + } + } // namespace GUIUtil #endif // BITCOIN_QT_GUIUTIL_H |