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 EXERCISECONVERT_H
 #define EXERCISECONVERT_H
 
 #include "ExerciseBase.h"
 #include "Ratio.h"
 
 #include <QGridLayout>
 
 class RationalWidget;
 class ResultWidget;
 
 class QLineEdit;
 class QPushButton;
 class QString;
 class QFrame;
 /*! Construct the exercise widget to convert rational numbers into fractions
  *
  *  \author Sebastian Stein
  * */
 class ExerciseConvert : public ExerciseBase
 {
     Q_OBJECT
 
 public:
     /** constructor */
     explicit ExerciseConvert(QWidget * parent = nullptr);
 
     /** destructor */
     ~ExerciseConvert() override;
 
     /** force the creation of a new task */
     void forceNewTask() override;
 
     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;
 
     QString m_number;
     uint m_periodStart;
     uint m_periodLength;
     Ratio m_result;
 
     // Visible components
     RationalWidget * m_rationalWidget;
     ResultWidget * m_resultWidget;
     QLineEdit * numer_edit;
     QFrame * edit_line;
     QLineEdit * deno_edit;
 
     QPushButton* m_checkButton;
     QPushButton* m_skipButton;
 
     // Layout Structures
     QGridLayout* checkLayout;
     QGridLayout* taskLayout;
     QGridLayout* baseGrid;
 
     QWidget * checkWidget;
     QWidget * taskWidget;
 
     // Operation functions
     void createTask();
     void showResult();
     void nextTask();
 
     void slotCheckButtonClicked();
     void slotSkipButtonClicked();
     void numeratorReturnPressed();
     void denominatorReturnPressed();
 
 protected:
     void showEvent(QShowEvent * event) override;
 };
 
 #endif