qucs_s/qucs-attenuator/qucsattenuator.h

//-*- C++ -*-
/****************************************************************************
**     Qucs Attenuator Synthesis
**     qucsattenuator.h
**
**
**
**
**
**
**
*****************************************************************************/

#ifndef QUCSATTENUATOR_H
#define QUCSATTENUATOR_H

#include <QMainWindow>
#include <QLabel>
#include <QCheckBox>
#include <QDoubleSpinBox>
#include <QLocale>
#include <QKeyEvent>

#include "attenuatorfunc.h"

class QComboBox;
class QLineEdit;
class QIntValidator;
class QDoubleValidator;
class QLabel;
class QPushButton;

struct tQucsSettings
{
  int x, y;      // position of main window
  QFont font;
  QString LangDir;
  QString Language;
};

extern struct tQucsSettings QucsSettings;

// Special QDoubleSpinBox for accepting comma and dot as decimal separators
class QDoubleSpinBox_Comma_Dot_Decimal_Separator : public QDoubleSpinBox {
public:
    QDoubleSpinBox_Comma_Dot_Decimal_Separator(QWidget *parent = nullptr) : QDoubleSpinBox(parent) {
        setMinimum(0.1); // Set minimum value
        setMaximum(1000.0); // Set maximum value
        setDecimals(1); // Allow two decimal places
        setSingleStep(0.1); // Set step size
    }

protected:
    QString textFromValue(double value) const override {
        // Format the output text to use the current locale's decimal point
        return QLocale().toString(value, 'f', decimals());
    }

    double valueFromText(const QString &text) const override {
        // Create a QLocale with C locale to ensure consistent parsing
        QLocale locale(QLocale::C);

        // Replace the decimal separator with the one used by the current locale
        QString modifiedText = text;
        modifiedText.replace('.', locale.decimalPoint());
        modifiedText.replace(',', locale.decimalPoint());

        // Parse the modified text using the C locale
        bool ok;
        double value = locale.toDouble(modifiedText, &ok);

        // If parsing fails, return the base class implementation
        if (!ok) {
            return QDoubleSpinBox::valueFromText(text);
        }

        return value;
    }
};

class QucsAttenuator : public QMainWindow
{
 Q_OBJECT
 public:
  QucsAttenuator();
  ~QucsAttenuator();
  double ConvertPowerUnits(double, QString, QString);

 private slots:
  void slotHelpIntro();
  void slotHelpAbout();
  void slotHelpAboutQt();
  void slotTopologyChanged();
  void slotCalculate();
  void slotQuit();
  void slotSetText_Zin(double);
  void slotSetText_Zout(double);
  void slot_ComboInputPowerUnits_Changed(const QString&);
  void slot_ComboR1PowerUnits_Changed(const QString&);
  void slot_ComboR2PowerUnits_Changed(const QString&);
  void slot_ComboR3PowerUnits_Changed(const QString&);
  void slot_ComboR4PowerUnits_Changed(const QString&);

 private:
  QComboBox *ComboTopology;
  QLabel *LabelTopology, *LabelAtten, *LabelImp1, *LabelImp2, *LabelImp2_Ohm;
  QLabel *LabelR1, *LabelR2, *LabelR3, *LabelR4, *pixTopology, *LabelResult;
  QLabel *LabelR3_Ohm, *LabelR4_Ohm;
  QComboBox *ComboR1_PowerUnits, *ComboR2_PowerUnits, *ComboR3_PowerUnits, *ComboR4_PowerUnits, *Combo_InputPowerUnits;
  QLabel *PdissLabel, *Label_Pin;
  QLineEdit *lineEdit_R1, *lineEdit_R2, *lineEdit_R3, *lineEdit_R4, *lineEdit_Results;
  QLineEdit *lineEdit_R1_Pdiss, *lineEdit_R2_Pdiss, *lineEdit_R3_Pdiss, *lineEdit_R4_Pdiss;
  QDoubleSpinBox_Comma_Dot_Decimal_Separator *QSpinBox_InputPower, *QSpinBox_Attvalue, *QSpinBox_Zin, *QSpinBox_Zout;
  QPushButton *Calculate;
  QDoubleValidator *DoubleValPower;
  QCheckBox *SparBoxCheckbox, *R_Check;
  QStringList LastUnits;

  //Quarter-wave attenuators
  QLabel *Label_Freq;
  QComboBox *Combo_FreqUnits;
  QDoubleSpinBox *QSpinBox_Freq;
  QCheckBox *Check_QW_CLC;
};

#endif