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99 lines
2.4 KiB
99 lines
2.4 KiB
/***************************************************************************
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exerciseconvert.h
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-------------------
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begin : 2004/06/04
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copyright : (C) 2004 by Sebastian Stein
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email : seb.kde@hpfsc.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef EXERCISECONVERT_H
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#define EXERCISECONVERT_H
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#ifdef DEBUG
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#include <kdebug.h>
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#endif
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#include "exercisebase.h"
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#include "ratio.h"
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class RationalWidget;
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class ResultWidget;
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class TQFrame;
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class TQGridLayout;
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class TQLabel;
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class TQLineEdit;
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class TQPushButton;
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class TQString;
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class TQVBoxLayout;
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/*! Construct the exercise widget to convert rational numbers into fractions
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*
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* \author Sebastian Stein
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* */
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class ExerciseConvert : public ExerciseBase
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{
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Q_OBJECT
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public:
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/** constructor */
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ExerciseConvert(TQWidget * parent = 0, const char * name = 0);
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/** destructor */
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~ExerciseConvert();
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/** force the creation of a new task */
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void forceNewTask();
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public slots:
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void update();
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signals:
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/** class emits this signal, if the task was solved correctly by the user */
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void signalExerciseSolvedCorrect();
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/** class emits this signal, if the task was solved not correctly by the user
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* */
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void signalExerciseSolvedWrong();
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private:
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short m_currentState;
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TQString m_number;
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uint m_periodStart;
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uint m_periodLength;
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ratio m_result;
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RationalWidget* m_rationalWidget;
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ResultWidget* m_resultWidget;
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TQLineEdit* numer_edit;
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TQFrame* edit_line;
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TQLineEdit* deno_edit;
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TQPushButton* m_checkButton;
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TQLabel* result_label;
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TQGridLayout* baseGrid;
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TQWidget* baseWidget;
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TQVBoxLayout* realLayout;
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void createTask();
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void showResult();
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void nextTask();
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private slots:
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void slotCheckButtonClicked();
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};
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#endif
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