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nanomap/monav/utils/qthelpers.h

76 lines
1.5 KiB
C++

/*
Copyright 2010 Christian Vetter veaac.fdirct@gmail.com
This file is part of MoNav.
MoNav 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 3 of the License, or
(at your option) any later version.
MoNav is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with MoNav. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef QTHELPERS_H
#define QTHELPERS_H
#include <QFile>
#include <QtDebug>
#include <QDataStream>
#include <QTime>
#include <QDir>
static inline QString fileInDirectory( QString directory, QString filename )
{
QDir dir( directory );
return dir.filePath( filename );
}
static inline bool openQFile( QFile* file, QIODevice::OpenMode mode )
{
if ( !file->open( mode ) ) {
qCritical() << "could not open file:" << file->fileName() << "," << mode;
return false;
}
return true;
}
class FileStream : public QDataStream {
public:
FileStream( QString filename ) : m_file( filename )
{
}
bool open( QIODevice::OpenMode mode )
{
if ( !openQFile( &m_file, mode ) )
return false;
setDevice( &m_file );
return true;
}
protected:
QFile m_file;
};
class Timer : public QTime {
public:
Timer()
{
start();
}
};
#endif // QTHELPERS_H