Log UI

cockatrice/src/logger.cpp

@@ -0,0 +1,62 @@
+#include "logger.h"
+
+#include <QDateTime>
+
+#define LOGGER_MAX_ENTRIES 128
+#define LOGGER_FILENAME "qdebug.txt"
+
+Logger::Logger()
+: logToFileEnabled(false)
+{
+}
+
+Logger::~Logger()
+{
+    closeLogfileSession();
+    logBuffer.clear();
+}
+
+void Logger::logToFile(bool enabled)
+{
+    if(enabled)
+        openLogfileSession();
+    else
+        closeLogfileSession();
+}
+
+void Logger::openLogfileSession()
+{
+    if(logToFileEnabled)
+        return;
+
+    fileHandle.setFileName(LOGGER_FILENAME);
+    fileHandle.open(QIODevice::WriteOnly | QIODevice::Truncate | QIODevice::Text);
+    fileStream.setDevice(&fileHandle);
+    fileStream << "Log session started at " << QDateTime::currentDateTime().toString() << endl;
+    logToFileEnabled = true;
+}
+
+void Logger::closeLogfileSession()
+{
+    if(!logToFileEnabled)
+        return;
+
+    logToFileEnabled = false;
+    fileStream << "Log session closed at " << QDateTime::currentDateTime().toString() << endl;
+    fileHandle.close();
+}
+
+
+void Logger::log(QtMsgType /* type */, const QMessageLogContext & /* ctx */, const QString &message)
+{
+    logBuffer.append(message);
+    if(logBuffer.size() > LOGGER_MAX_ENTRIES)
+        logBuffer.removeFirst();
+
+    emit logEntryAdded(message);
+
+    if(logToFileEnabled)
+    {
+        fileStream << message << endl;
+    }
+}