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Diffstat (limited to 'src/sources/sysfreqsrc.h')
-rw-r--r-- | src/sources/sysfreqsrc.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/sources/sysfreqsrc.h b/src/sources/sysfreqsrc.h new file mode 100644 index 0000000..c2a9a60 --- /dev/null +++ b/src/sources/sysfreqsrc.h @@ -0,0 +1,63 @@ +/*************************************************************************** + * Copyright (C) 2006 by Ken Werner * + * [email protected] * + * * + * 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. * + * * + * This program 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 this program; if not, write to the * + * Free Software Foundation, Inc., * + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * + ***************************************************************************/ + +#ifndef SYSFREQSRC_H +#define SYSFREQSRC_H +#include "labelsource.h" +#include "threadedtrigger.h" +#include <qfile.h> +#include <list> + +/** + * SysFreqSrc reads frequency values from /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq + */ +class SysFreqSrc : public LabelSource { + Q_OBJECT //macro which activates signals and slots (moc) +public: + /** + * Creates a new Source from the given File + */ + SysFreqSrc(QWidget* inParent, const QFile& inSourceFile); + virtual ~SysFreqSrc(); + + /** + * Creates instances of that Source (and returns pointers to them) + */ + static std::list<Source*> createInstances(QWidget* inParent); + + /** + * Fetches and returns the value of this source + * This method is called from a thread so don't call it directly + */ + virtual QString fetchValue(); + +private: + /** + * The file from which the value is read + */ + QFile mSourceFile; + + /** + * triggers the fetchValue method + */ + ThreadedTrigger mTrigger; +}; +#endif //SYSFREQSRC_H + |