File indexing completed on 2024-04-28 07:29:05

 /*
     SPDX-FileCopyrightText: 2004 Sebastian Stein <seb.kde@hpfsc.de>
     SPDX-FileCopyrightText: 2008 Tadeu Araujo <tadeu.araujo@ltia.fc.unesp.br>
     SPDX-FileCopyrightText: 2008 Danilo Balzaque <danilo.balzaque@ltia.fc.unesp.br>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef EXERCISECOMPARE_H
 #define EXERCISECOMPARE_H
 
 #include <QGridLayout>
 #include <QWidget>
 
 
 #include "ExerciseBase.h"
 #include "Ratio.h"
 #include "RatioWidget.h"
 #include "ResultWidget.h"
 
 class QPushButton;
 
 /*! Constructs a QWidget, which shows the task to the user.
  *  The class also provides input fields, so that the user can enter the result.
  *  It also controls the interaction, so that the entered result gets checked
  *  and a new task can be generated.
  *  \author Sebastian Stein
  * */
 class ExerciseCompare : public ExerciseBase
 {
     Q_OBJECT
 
 public:
     /** constructor */
     explicit ExerciseCompare(QWidget * parent = nullptr);
 
     /** destructor */
     ~ExerciseCompare() override;
 
     /** force the creation of a new task */
     void forceNewTask() override;
 
     void setQuestionMixed(bool value);
 
     void update();
 
 Q_SIGNALS:
     /** class emits this signal, if the task was solved correctly by the user */
     void signalExerciseSolvedCorrect();
 
     /** class emits this signal, if the task was skipped by the user */
     void signalExerciseSkipped();
 
     /** class emits this signal, if the task was solved not correctly by the user
      * */
     void signalExerciseSolvedWrong();
 
 private:
     short m_currentState;
 
     bool m_questionMixed;
 
     RatioWidget * m_firstRatioWidget;
     RatioWidget * m_secondRatioWidget;
 
     // Buttons to select the comparison
     QPushButton * m_skipButton;
     QPushButton * m_moreButton;
     QPushButton * m_minorButton;
     QPushButton * m_equalButton;
 
     Ratio m_firstRatio;
     Ratio m_secondRatio;
 
     // Layout Structures
     QGridLayout * checkLayout;
     QGridLayout * taskLayout;
     QGridLayout * baseGrid;
 
     enum SignButtonState {
         lessThen,
         greaterThen,
         equalTo
     };
     SignButtonState m_signButtonState;
 
     QWidget * checkWidget;
     QWidget * taskWidget;
 
     ResultWidget* m_resultWidget;
 
     void createTask();
     void showResult();
     void nextTask();
 
     void slotSkipButtonClicked();
     void slotMinorButtonClicked();
     void slotMoreButtonClicked();
     void slotEqualButtonClicked();
 };
 
 #endif