#include "mainwindow.h"
#include "ui_mainwindow.h"
void Output(QtMsgType type, const QMessageLogContext &context, const QString &msg)
{
static QMutex mutex;
mutex.lock();
QByteArray localMsg = msg.toLocal8Bit();
QString text;
switch (type) {
case QtDebugMsg:
text = QString("Debug:");
// fprintf(stderr, "Debug: %s (%s:%u, %s)\n", localMsg.constData(), context.file, context.line, context.function);
break;
case QtInfoMsg:
text = QString("QtInfoMsg:");
fprintf(stderr, "Info: %s (%s:%u, %s)\n", localMsg.constData(), context.file, context.line, context.function);
break;
case QtWarningMsg:
text = QString("Warning:");
fprintf(stderr, "Warning: %s (%s:%u, %s)\n", localMsg.constData(), context.file, context.line, context.function);
break;
case QtCriticalMsg:
text = QString("Critical:");
fprintf(stderr, "Critical: %s (%s:%u, %s)\n", localMsg.constData(), context.file, context.line, context.function);
break;
case QtFatalMsg:
text = QString("Fatal:");
fprintf(stderr, "Fatal: %s (%s:%u, %s)\n", localMsg.constData(), context.file, context.line, context.function);
abort();
}
QString context_info = QString("File:(%1) Line:(%2)").arg(QString(context.file)).arg(context.line);
QString current_date_time = QDateTime::currentDateTime().toString("yyyy-MM-dd hh:mm:ss ddd");
QString current_date = QString("(%1)").arg(current_date_time);
QString message = QString("%1 %2 %3 %4").arg(text).arg(context_info).arg(msg).arg(current_date);
QFile file("log.txt");
file.open(QIODevice::WriteOnly | QIODevice::Append);
QTextStream text_stream(&file);
text_stream << message << "\r\n";
file.flush();
file.close();
mutex.unlock();
}
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
qInstallMessageHandler(Output);
qDebug()<<"ok";
qDebug("This is a debug message");
qDebug()<<"ok123";
qDebug("This is a debug message");
}
MainWindow::~MainWindow()
{
delete ui;
}
