panel_wavelength.cpp

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/*
 * This program source code file is part of KICAD, a free EDA CAD application.
 *
 * Copyright (C) 1992-2022 Kicad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 3
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include <calculator_panels/panel_wavelength.h>
#include <pcb_calculator_settings.h>
#include <string_utils.h>
#include <widgets/unit_selector.h>
#include <wx/choicdlg.h>
#include "pcb_calculator_utils.h"
#include "common_data.h"
#include <wx/dcclient.h>
 
#define SPEED_LIGHT 299792458
 
PANEL_WAVELENGTH::PANEL_WAVELENGTH( wxWindow* parent, wxWindowID id, const wxPoint& pos,
 const wxSize& size, long style, const wxString& name ) :
 PANEL_WAVELENGTH_BASE( parent, id, pos, size, style, name )
{
 // Set the min size of wxTextCtrls showing long values
 wxSize minSize = m_speedCtrl->GetSize();
 int minWidth = m_speedCtrl->GetTextExtent( wxT( "1.234567890E+99" ) ).x;
 
 m_speedCtrl->SetMinSize( wxSize( minWidth, minSize.GetHeight() ) );
 
 Layout();
}
 
void PANEL_WAVELENGTH::SaveSettings( PCB_CALCULATOR_SETTINGS* aCfg )
{
 aCfg->m_wavelength.frequency = m_frequency;
 aCfg->m_wavelength.permittivity = m_permittivity;
 aCfg->m_wavelength.permeability = m_permeability;
 
 aCfg->m_wavelength.frequencyUnit = m_frequencyUnit->GetSelection();
 aCfg->m_wavelength.periodUnit = m_periodUnit->GetSelection();
 aCfg->m_wavelength.wavelengthVacuumUnit = m_wavelengthVacuumUnit->GetSelection();
 aCfg->m_wavelength.wavelengthMediumUnit = m_wavelengthMediumUnit->GetSelection();
 aCfg->m_wavelength.speedUnit = m_speedUnit->GetSelection();
}
 
 
void PANEL_WAVELENGTH::LoadSettings( PCB_CALCULATOR_SETTINGS* aCfg )
{
 m_frequencyUnit->SetSelection( aCfg->m_wavelength.frequencyUnit );
 m_periodUnit->SetSelection( aCfg->m_wavelength.periodUnit );
 m_wavelengthVacuumUnit->SetSelection( aCfg->m_wavelength.wavelengthVacuumUnit );
 m_wavelengthMediumUnit->SetSelection( aCfg->m_wavelength.wavelengthMediumUnit );
 m_speedUnit->SetSelection( aCfg->m_wavelength.speedUnit );
 
 m_permittivity = aCfg->m_wavelength.permittivity;
 m_permeability = aCfg->m_wavelength.permeability;
 m_frequency = aCfg->m_wavelength.frequency;
 
 wxString value;
 value = wxString( "" ) << m_permittivity;
 m_permittivityCtrl->SetValue( value );
 value = wxString( "" ) << m_permeability;
 m_permeabilityCtrl->SetValue( value );
 
 update( m_frequency );
}
 
void PANEL_WAVELENGTH::updateUnits( wxCommandEvent& aEvent )
{
 update( m_frequency );
}
 
 
void PANEL_WAVELENGTH::update( double aFrequency )
{
 m_updatingUI = true;
 wxString value;
 
 if( !m_updatingFrequency )
 {
 value = wxString( "" ) << aFrequency / m_frequencyUnit->GetUnitScale();
 m_frequencyCtrl->SetValue( value );
 }
 
 if( !m_updatingPeriod )
 {
 value = wxString( "" ) << 1 / aFrequency / m_periodUnit->GetUnitScale();
 m_periodCtrl->SetValue( value );
 }
 
 if( !m_updatingWavelengthVacuum )
 {
 value = wxString( "" ) << SPEED_LIGHT / aFrequency / m_wavelengthVacuumUnit->GetUnitScale();
 m_wavelengthVacuumCtrl->SetValue( value );
 }
 
 if( !m_updatingWavelengthMedium )
 {
 value = wxString( "" ) << SPEED_LIGHT / aFrequency / sqrt( m_permittivity * m_permeability )
 / m_wavelengthMediumUnit->GetUnitScale();
 m_wavelengthMediumCtrl->SetValue( value );
 }
 
 if( !m_updatingSpeed )
 {
 value = wxString( "" ) << SPEED_LIGHT / sqrt( m_permittivity * m_permeability )
 / m_speedUnit->GetUnitScale();
 m_speedCtrl->SetValue( value );
 }
 
 m_frequency = aFrequency;
 
 m_updatingFrequency = false;
 m_updatingPeriod = false;
 m_updatingWavelengthVacuum = false;
 m_updatingWavelengthMedium = false;
 m_updatingSpeed = false;
 
 m_updatingUI = false;
}
 
void PANEL_WAVELENGTH::OnFrequencyChange( wxCommandEvent& event )
{
 double value;
 
 if( m_updatingUI )
 {
 return;
 }
 
 wxString input = m_frequencyCtrl->GetValue();
 
 if( input.ToDouble( &value ) )
 {
 if( value > 0 )
 {
 m_updatingFrequency = true;
 update( value * m_frequencyUnit->GetUnitScale() );
 }
 }
}
 
void PANEL_WAVELENGTH::OnPeriodChange( wxCommandEvent& event )
{
 double value;
 
 if( m_updatingUI )
 {
 return;
 }
 
 wxString input = m_periodCtrl->GetValue();
 
 if( input.ToDouble( &value ) )
 {
 if( value > 0 )
 {
 m_updatingPeriod = true;
 update( 1 / ( value * m_periodUnit->GetUnitScale() ) );
 }
 }
}
 
void PANEL_WAVELENGTH::OnWavelengthVacuumChange( wxCommandEvent& event )
{
 if( m_updatingUI )
 {
 return;
 }
 
 double value;
 wxString input = m_wavelengthVacuumCtrl->GetValue();
 
 if( input.ToDouble( &value ) )
 {
 if( value > 0 )
 {
 value *= m_wavelengthVacuumUnit->GetUnitScale();
 m_updatingWavelengthVacuum = true;
 update( SPEED_LIGHT / value );
 }
 }
};
 
 
void PANEL_WAVELENGTH::OnWavelengthMediumChange( wxCommandEvent& event )
{
 if( m_updatingUI )
 {
 return;
 }
 
 double value;
 wxString input = m_wavelengthMediumCtrl->GetValue();
 
 if( input.ToDouble( &value ) )
 {
 if( value > 0 )
 {
 value *= m_wavelengthMediumUnit->GetUnitScale();
 m_updatingWavelengthMedium = true;
 update( SPEED_LIGHT / value / sqrt( m_permittivity * m_permeability ) );
 }
 }
};
 
void PANEL_WAVELENGTH::OnPermittivityChange( wxCommandEvent& event )
{
 double value;
 wxString input = m_permittivityCtrl->GetValue();
 
 if( input.ToDouble( &value ) )
 {
 if( value >= 1 )
 {
 m_permittivity = value;
 update( m_frequency );
 }
 }
}
 
void PANEL_WAVELENGTH::OnPermeabilityChange( wxCommandEvent& event )
{
 double value;
 wxString input = m_permeabilityCtrl->GetValue();
 
 if( input.ToDouble( &value ) )
 {
 if( value >= 1 )
 {
 m_permeability = value;
 update( m_frequency );
 }
 }
}
 
void PANEL_WAVELENGTH::OnButtonPermittivity( wxCommandEvent& event )
{
 wxArrayString list = StandardRelativeDielectricConstantList();
 list.Add( "" ); // Add an empty line for no selection
 
 // Find the previous choice index:
 wxString prevChoiceStr = m_permittivityCtrl->GetValue();
 int prevChoice = 0;
 findMatch( list, prevChoiceStr, prevChoice );
 
 int index = wxGetSingleChoiceIndex( wxEmptyString, _( "Relative Dielectric Constants" ), list,
 prevChoice );
 
 if( index >= 0 && !list.Item( index ).IsEmpty() )
 {
 m_permittivityCtrl->SetValue( list.Item( index ).BeforeFirst( ' ' ) );
 // wx automatically calls onPermittivity()
 }
}