workspace/plasma/runners/calculator/calculatorrunner.h

   1 /*
   2  *   Copyright (C) 2007 Barış Metin <baris@pardus.org.tr>
   3  *
   4  *   This program is free software; you can redistribute it and/or modify
   5  *   it under the terms of the GNU Library General Public License version 2 as
   6  *   published by the Free Software Foundation
   7  *
   8  *   This program is distributed in the hope that it will be useful,
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *   GNU General Public License for more details
  12  *
  13  *   You should have received a copy of the GNU Library General Public
  14  *   License along with this program; if not, write to the
  15  *   Free Software Foundation, Inc.,
  16  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17  */
  18
  19 #ifndef CALCULATORRUNNER_H
  20 #define CALCULATORRUNNER_H
  21
  22 #include <KGenericFactory>
  23
  24 #include <Plasma/AbstractRunner>
  25
  26 class QWidget;
  27
  28 /**
  29  * This class evaluates the basic expressions given in the interface.
  30  */
  31 class CalculatorRunner : public Plasma::AbstractRunner
  32 {
  33     Q_OBJECT
  34
  35     public:
  36         CalculatorRunner(QObject* parent, const QVariantList &args);
  37         ~CalculatorRunner();
  38
  39         void match(Plasma::RunnerContext &context);
  40
  41     private:
  42         QString calculate(const QString& term);
  43         void userFriendlySubstitutions(QString& cmd);
  44         void powSubstitutions(QString& cmd);
  45         void hexSubstitutions(QString& cmd);
  46 };
  47
  48 K_EXPORT_PLASMA_RUNNER(calculatorrunner, CalculatorRunner)
  49
  50 #endif