void ub_message_output(QtMsgType type, const char *msg) {
// We must temporarily remove the handler to avoid the infinite recursion of
// ub_message_output -> qt_message_output -> ub_message_output -> qt_message_output ...
QtMsgHandler previousHandler = qInstallMsgHandler(0);
#if defined(QT_NO_DEBUG)
// Suppress qDebug output in release builds
if (type != QtDebugMsg)
{
qt_message_output(type, msg);
}
#else
// Default output in debug builds
qt_message_output(type, msg);
#endif
if (UBApplication::app() && UBApplication::app()->isVerbose()) {
QString logFileNamePath = UBSettings::userDataDirectory() + "/log/"+ qApp->applicationName() + ".log";
QFile logFile(logFileNamePath);
if (logFile.exists() && logFile.size() > 10000000)
logFile.remove();
if (logFile.open(QIODevice::Append | QIODevice::Text)) {
QTextStream out(&logFile);
out << QDateTime::currentDateTime().toString(Qt::ISODate)
<< " " << msg << "\n";
logFile.close();
}
}
qInstallMsgHandler(previousHandler);
}
static void qtav_ffmpeg_log_callback(void* , int level,const char* fmt, va_list vl)
{
QString qmsg = "{FFmpeg} " + QString().vsprintf(fmt, vl);
qmsg = qmsg.trimmed();
QtMsgType mt = QtDebugMsg;
if (level == AV_LOG_WARNING || level == AV_LOG_ERROR)
mt = QtWarningMsg;
else if (level == AV_LOG_FATAL)
mt = QtCriticalMsg;
else if (level == AV_LOG_PANIC)
mt = QtFatalMsg;
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
QMessageLogContext ctx;
qt_message_output(mt, ctx, qmsg);
#else
qt_message_output(mt, qPrintable(qmsg));
#endif //QT_VERSION
}
static void designerMessageHandler(QtMsgType type, const char *msg)
{
// Only Designer warnings are displayed as box
QDesigner *designerApp = qDesigner;
if (type != QtWarningMsg || !designerApp || qstrncmp(designerWarningPrefix, msg, qstrlen(designerWarningPrefix))) {
qInstallMsgHandler(0);
qt_message_output(type, msg);
qInstallMsgHandler (designerMessageHandler);
return;
}
designerApp->showErrorMessage(msg);
}
void QDesigner::showErrorMessage(const char *message)
{
// strip the prefix
const QString qMessage = QString::fromUtf8(message + qstrlen(designerWarningPrefix));
// If there is no main window yet, just store the message.
// The QErrorMessage would otherwise be hidden by the main window.
if (m_mainWindow) {
showErrorMessageBox(qMessage);
} else {
qInstallMsgHandler(0);
qt_message_output(QtWarningMsg, message); // just in case we crash
qInstallMsgHandler (designerMessageHandler);
m_initializationErrors += qMessage;
m_initializationErrors += QLatin1Char('\n');
}
}
