/usr/include/qgis/qgsmessagelog.h is in libqgis-dev 2.0.1-2build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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qgsmessagelog.h - interface for logging messages
----------------------
begin : October 2011
copyright : (C) 2011 by Juergen E. Fischer
email : jef at norbit dot de
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef QGSMESSAGELOG_H
#define QGSMESSAGELOG_H
#include <QString>
#include <QObject>
/** \ingroup core
* Interface for logging messages from QGIS in GUI independent way.
* This class provides abstraction of a tabbed window for showing messages to the user.
* By default QgsMessageLogOutput will be used if not overridden with another
* message log creator function.
* QGIS application uses QgsMessageLog class for logging messages in a dockable
* window for the user.
* \note added in 1.9
*/
class CORE_EXPORT QgsMessageLog : public QObject
{
Q_OBJECT;
public:
static QgsMessageLog *instance();
enum MessageLevel
{
INFO = 0,
WARNING = 1,
CRITICAL = 2
};
//! add a message to the instance (and create it if necessary)
static void logMessage( QString message, QString tag = QString::null, MessageLevel level = WARNING );
signals:
void messageReceived( QString message, QString tag, QgsMessageLog::MessageLevel level );
private:
QgsMessageLog();
void emitMessage( QString message, QString tag, QgsMessageLog::MessageLevel level );
static QgsMessageLog *sInstance;
};
/**
\brief Default implementation of message logging interface
This class outputs log messages to the standard output. Therefore it might
be the right choice for apps without GUI.
*/
class CORE_EXPORT QgsMessageLogConsole : public QObject
{
Q_OBJECT;
public:
QgsMessageLogConsole();
public slots:
void logMessage( QString message, QString tag, QgsMessageLog::MessageLevel level );
};
#endif
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