#include #include #include #include #include #include "mainwindow.h" void myMessageOutput(QtMsgType type, const QMessageLogContext &context, const QString &msg) { QByteArray localMsg = msg.toLocal8Bit(); switch (type) { case QtDebugMsg: fprintf(stdout, "Debug: %s (%s:%u, %s)\n", localMsg.constData(), context.file, context.line, context.function); break; case QtInfoMsg: fprintf(stdout, "Info: %s (%s:%u, %s)\n", localMsg.constData(), context.file, context.line, context.function); break; case QtWarningMsg: fprintf(stderr, "Warning: %s (%s:%u, %s)\n", localMsg.constData(), context.file, context.line, context.function); break; case QtCriticalMsg: fprintf(stderr, "Critical: %s (%s:%u, %s)\n", localMsg.constData(), context.file, context.line, context.function); break; case QtFatalMsg: fprintf(stderr, "Fatal: %s (%s:%u, %s)\n", localMsg.constData(), context.file, context.line, context.function); abort(); } fflush(stderr); fflush(stdout); } int main(int argc, char *argv[]) { std::shared_ptr b; QApplication a(argc, argv); a.setQuitOnLastWindowClosed(true); qInstallMessageHandler(myMessageOutput); qDebug() << "Message handler test"; MainWindow mw; mw.show(); return a.exec(); }