diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp index 8c8c73f065..b4e751077e 100644 --- a/src/qt/bitcoin.cpp +++ b/src/qt/bitcoin.cpp @@ -212,7 +212,7 @@ int main(int argc, char *argv[]) if (mapArgs.count("-?") || mapArgs.count("--help")) { GUIUtil::HelpMessageBox help; - help.exec(); + help.showOrPrint(); return 1; } diff --git a/src/qt/guiutil.cpp b/src/qt/guiutil.cpp index a8c2328853..50ed2eed04 100644 --- a/src/qt/guiutil.cpp +++ b/src/qt/guiutil.cpp @@ -441,15 +441,21 @@ HelpMessageBox::HelpMessageBox(QWidget *parent) : setDetailedText(coreOptions + "\n" + uiOptions); } -void HelpMessageBox::exec() +void HelpMessageBox::printToConsole() { -#if defined(WIN32) - // On windows, show a message box, as there is no stderr in windowed applications - QMessageBox::exec(); -#else // On other operating systems, the expected action is to print the message to the console. QString strUsage = header + "\n" + coreOptions + "\n" + uiOptions; fprintf(stderr, "%s", strUsage.toStdString().c_str()); +} + +void HelpMessageBox::showOrPrint() +{ +#if defined(WIN32) + // On windows, show a message box, as there is no stderr/stdout in windowed applications + exec(); +#else + // On other operating systems, print help text to console + printToConsole(); #endif } diff --git a/src/qt/guiutil.h b/src/qt/guiutil.h index ca06348519..0240695505 100644 --- a/src/qt/guiutil.h +++ b/src/qt/guiutil.h @@ -103,7 +103,11 @@ namespace GUIUtil public: HelpMessageBox(QWidget *parent = 0); - void exec(); + /** Show message box or print help message to standard output, based on operating system. */ + void showOrPrint(); + + /** Print help message to console */ + void printToConsole(); private: QString header;