File indexing completed on 2024-04-21 03:41:49

 /*
     MainQtWidget.cpp  -  The main Qt/KDE window
     SPDX-FileCopyrightText: 2003-2004 Sebastian Stein <seb.kde@hpfsc.de>
     SPDX-FileCopyrightText: 2008 Tiago Porangaba <tiago.porangaba@ltia.fc.unesp.br>
     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 MAINQTWIDGET_H
 #define MAINQTWIDGET_H
 
 #include <KXmlGuiWindow>
 #include <QRadioButton>
 
 class QAction;
 class QWidgetAction;
 class QComboBox;
 
 class QLabel;
 class QCheckBox;
 class QGroupBox;
 class QGridLayout;
 class QFrame;
 class QToolButton;
 
 class ExerciseCompare;
 class ExerciseConvert;
 class ExerciseFactorize;
 class ExerciseMixedNumbers;
 class ExercisePercentage;
 class StatisticsView;
 class TaskView;
 class AppMenuWidget;
 class ExerciseMixedNumbers;
 
 
 class QGridLayout;
 
 
 enum ExerciseType {
     Arithmetic,
     Comparison,
     Conversion,
     MixedNumbers,
     Factorization,
     Percentage
 };
 
 /** Constructs the main window and presents the user interface.
  *  The window is separated into 2 sections. In the left section is the
  *  statistic view and in the right section the task view.
  *  \author Sebastian Stein
  *  \author Eva Brucherseifer
  **/
 class MainQtWidget : public KXmlGuiWindow
 {
     Q_OBJECT
 
 public:
 
     /** constructor */
     MainQtWidget();
 
     /** destructor */
     ~MainQtWidget() override;
 
     static QFont DefaultFont();
 
 private:
 
     /** read the config file */
     void readOptions();
 
     /** read the config file */
     void writeOptions();
 
     /** pointing to the statistics view */
     StatisticsView * m_statview;
 
     /** pointing to the exercise solving a task with fractions */
     TaskView * m_taskview;
 
     /** pointing to the exercise comparing ratios */
     ExerciseCompare * m_exerciseCompare;
 
     /** pointing to the exercise convert rational number */
     ExerciseConvert * m_exerciseConvert;
 
     /** pointing to the exercise for converting mixed numbers to ratios */
     ExerciseMixedNumbers * m_exerciseMixedNumbers;
 
     /** pointing to the exercise factorize a given number */
     ExerciseFactorize * m_exerciseFactorize;
 
     /** pointing to the exercise percentage */
     ExercisePercentage * m_exercisePercentage;
 
     ExerciseType selectedTask;
     bool m_addSub;
     bool m_addAdd;
     bool m_addMult;
     bool m_addDiv;
     unsigned int m_nrRatios;
     unsigned int m_maxMainDenominator;
     bool m_questionMixed;
     bool m_answerMixed;
     bool m_reducedForm;
     QFont defaultFont;
 
     // Visible Components
     QLabel * m_OptionsLabel;
     QLabel * m_TitleLabel;
 
 
     QGroupBox * m_QuestionGroup;
     QGroupBox * m_AnswerGroup;
     QGroupBox * m_OperationsGroup;
 
     QToolButton * m_ArithmeticButton;
     QToolButton * m_ComparisonButton;
     QToolButton * m_ConversionButton;
     QToolButton * m_MixedNumbersButton;
     QToolButton * m_FactorizationButton;
     QToolButton * m_NewTaskButton;
     QToolButton * m_BackTaskButton;
     QToolButton * m_PercentageButton;
 
     // Question Group
     QComboBox * m_NrOfTermsBox;
     QLabel * m_NrOfTermsLabel;
 
     QComboBox * m_MaxMainDenominatorBox;
     QLabel * m_MaxMainDenominatorLabel;
 
     QCheckBox * m_QuestionMixedCheck;
     QLabel * m_QuestionMixedLabel;
 
 
     // Answer group
     QRadioButton * m_AnswerMixedCheck;
     QLabel * m_AnswerMixedLabel;
 
     QRadioButton * m_ReducedCheck;
     QLabel * m_ReducedLabel;
 
 
     // Operations group
     QCheckBox * m_AdditionCheck;
     QLabel * m_AdditionLabel;
 
     QCheckBox * m_SubtractionCheck;
     QLabel * m_SubtractionLabel;
 
     QCheckBox * m_MultiplicationCheck;
     QLabel * m_MultiplicationLabel;
 
     QCheckBox * m_DivisionCheck;
     QLabel * m_DivisionLabel;
 
     // Menu exercise actions
     QWidgetAction * m_ArithmeticAction;
     QWidgetAction * m_ComparisonAction;
     QWidgetAction * m_ConversionAction;
     QWidgetAction * m_MixedNumbersAction;
     QWidgetAction * m_FactorizationAction;
     QWidgetAction * m_NewTaskActionMenu;
     QWidgetAction * m_NewTaskActionTool;
     QWidgetAction * m_BackActionTool;
     QWidgetAction * m_BackActionMenu;
     QAction * m_HintAction;
     QWidgetAction * m_PercentageAction;
 
     QFrame * m_footerline;
     QFrame * m_headerline;
 
     AppMenuWidget * kbruchApp;
 
     void setupActions();
 
 private Q_SLOTS:
     bool OperationsCheck();
 
     /**
      * Tasks selection
      */
     void SelectArithmetic();
     void SelectComparison();
     void SelectConversion();
     void SelectMixedNumbers();
     void SelectFactorization();
     void SelectPercentage();
 
     /**
      * Options Slot changes
      */
     // called, when the user changes the state of reduced form checkbox
     void ReducedFormCheckSlot();
     // called, when the user changes the state of mixed number checkbox of question group
     void QuestionMixedCheckSlot();
     // called, when the user changes the state of mixed number checkbox of answer group
     void AnswerMixedCheckSlot();
     // called, when the user changes the state of addition task operation
     void AdditionCheckSlot();
     // called, when the user changes the state of subtraction task operation
     void SubtractionCheckSlot();
     // called, when the user changes the state of multiplication task operation
     void MultiplicationCheckSlot();
     // called, when the user changes the state of division task operation
     void DivisionCheckSlot();
     // called when the user changes the number of terms in the ComboBox
     void NrOfTermsBoxSlot();
     // called, when the user changes the max. size of the main denominator in the ComboBox
     void MaxMainDenominatorBoxSlot();
 
 
     /**
      * called to force generation of a new task
      */
     void newTask();
 
 
     /**
      * calls the settings dialog
      */
     void slotPrefs();
 
 
     /**
      * makes sure, all parts of the UI update to new settings
      */
     void slotApplySettings();
 
 
     /**
      * called just before another page is shown
      */
     void slotAboutToShowPage();
 
 
     /**
      * called to go back to the main screen and choose another mode
      */
     void goBack();
 
 protected:
     /** Function is called when user closes the window.
      *  Used to save the current statistics and settings before exiting.
      */
     void closeEvent(QCloseEvent *event) override;
 };
 
 #endif // MainQtWidget