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104 lines
2.6 KiB
104 lines
2.6 KiB
/***************************************************************************
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exercisecompare.h
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-------------------
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begin : 2004/06/03
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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 EXERCISECOMPARE_H
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#define EXERCISECOMPARE_H
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#define DEBUG
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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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#include "ratiowidget.h"
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class TQGridLayout;
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class TQLabel;
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class TQPushButton;
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class TQVBoxLayout;
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#include <tqwidget.h>
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/*! Constructs a TQWidget, which shows the task to the user.
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* The class also provides input fields, so that the user can enter the result.
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* It also controls the interaction, so that the entered result gets checked
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* and a new task can be generated.
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* \author Sebastian Stein
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* */
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class ExerciseCompare : 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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ExerciseCompare(TQWidget * parent = 0, const char * name = 0);
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/** destructor */
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~ExerciseCompare();
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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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RatioWidget* m_firstRatioWidget;
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RatioWidget* m_secondRatioWidget;
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TQPushButton* m_checkButton;
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TQPushButton* m_signButton;
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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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ratio m_firstRatio;
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ratio m_secondRatio;
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enum SignButtonState
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{
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lessThen,
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greaterThen
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};
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SignButtonState m_signButtonState;
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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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void slotSignButtonClicked();
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};
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#endif
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