File indexing completed on 2024-05-05 17:18:59

 /***************************************************************************
  * SPDX-FileCopyrightText: 2022 S. MANKOWSKI stephane@mankowski.fr
  * SPDX-FileCopyrightText: 2022 G. DE BURE support@mankowski.fr
  * SPDX-License-Identifier: GPL-3.0-or-later
  ***************************************************************************/
 #ifndef SKGCALCULATOREDIT_H
 #define SKGCALCULATOREDIT_H
 /** @file
  * A QLineEdit with calculator included.
  *
  * @author Stephane MANKOWSKI / Guillaume DE BURE
  */
 
 #include "skgbasegui_export.h"
 #include <qlineedit.h>
 /**
  * This file is a QLineEdit with calculator included
  */
 class SKGBASEGUI_EXPORT SKGCalculatorEdit : public QLineEdit
 {
     Q_OBJECT
     /**
      * Value of the calculator editor
      */
     Q_PROPERTY(double value READ value WRITE setValue USER true NOTIFY modified)
 
     /**
      * Mode of the calculator editor
      */
     Q_PROPERTY(SKGCalculatorEdit::Mode mode READ mode WRITE setMode NOTIFY modified)
 
     /**
      * Sign of the calculator editor
      */
     Q_PROPERTY(double sign READ sign NOTIFY modified)
 
     /**
      * To know if the text is valid
      */
     Q_PROPERTY(bool valid READ valid NOTIFY modified)
 
 public:
     /**
      * This enumerate defines type of calculator
      */
     enum Mode {CALCULATOR, /**< simple calculator */
                EXPRESSION /**< expression is evaluated */
               };
     /**
      * Mode of the calculator editor
      */
     Q_ENUM(Mode)
 
     /**
      * Default Constructor
      * @param iParent the parent
      */
     explicit SKGCalculatorEdit(QWidget* iParent);
 
     /**
      * Default Destructor
      */
     ~SKGCalculatorEdit() override;
 
     /**
      * Get the mode
      * @return the mode
      */
     virtual Mode mode() const;
 
 
     /**
      * Set the mode
      * @param iMode the mode
      */
     virtual void setMode(Mode iMode);
 
     /**
      * Get the value
      * @return the value
      */
     virtual double value();
 
     /**
      * Set the value
      * @param iValue the value
      */
     virtual void setValue(double iValue);
 
     /**
      * Set the text
      * @param iText the text
      */
     virtual void setText(const QString& iText);
 
     /**
      * Get the sign of the value.
      * 1 if the value is write like "+5"
      * -1 if the value is write like "-5"
      * 0 if the value is write like "5"
      * @return the sign
      */
     virtual int sign() const;
 
     /**
      * To know if the text is a valid value
      * @return validation
      */
     virtual bool valid();
 
     /**
      * To formula
      * @return the formula
      */
     virtual QString formula();
 
     /**
      * Add a parameter
      * @param iParameter the parameter name
      * @param iValue the value
      */
     virtual void addParameterValue(const QString& iParameter, double iValue);
 
 Q_SIGNALS:
     /**
      * This signal is launched when the object is modified
      */
     void modified();
 
 protected:
     /**
      * This event handler, for event event, can be reimplemented in a subclass to receive key press events for the widget.
      * @param iEvent the event
      */
     void keyPressEvent(QKeyEvent* iEvent) override;
 
     /**
      * This event handler can be reimplemented in a subclass to receive keyboard focus events (focus lost) for the widget. The events is passed in the event parameter.
      * @param iEvent the event
      */
     void focusOutEvent(QFocusEvent* iEvent) override;
 
 private:
     Q_DISABLE_COPY(SKGCalculatorEdit)
 
     void keyPressEvent(int key);
     double getEvaluatedValue(bool& iOk);
     double m_lastValue;
     int m_lastOperator;
     Mode m_currentMode;
 
     QColor m_fontColor;
     QMap<QString, double> m_parameters;
     QString m_formula;
 };
 
 #endif  // SKGCALCULATOREDIT_H