dialog_sim_command.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2016-2022 CERN
 * Copyright (C) 2016-2023 KiCad Developers, see AUTHORS.txt for contributors.
 * @author Maciej Suminski <[email protected]>
 *
 * 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, you may find one here:
 * https://www.gnu.org/licenses/gpl-3.0.html
 * or you may search the http://www.gnu.org website for the version 3 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
#include "dialog_sim_command.h"
#include <sim/spice_circuit_model.h>
#include <sim/ngspice.h>
#include <sim/simulator_frame.h>
#include <sim/sim_plot_tab.h>
#include <confirm.h>
#include <eda_pattern_match.h>
 
#include <wx/tokenzr.h>
 
#include <vector>
#include <utility>
 
 
// Helper function to shorten conditions
static bool empty( const wxTextEntryBase* aCtrl )
{
 return aCtrl->GetValue().IsEmpty();
}
 
 
static void setStringSelection( wxChoice* aCtrl, const wxString& aStr )
{
 aCtrl->SetSelection( aCtrl->FindString( aStr ) );
}
 
 
static wxString getStringSelection( const wxChoice* aCtrl )
{
 if( aCtrl->GetSelection() >= 0 )
 return aCtrl->GetString( aCtrl->GetSelection() );
 else
 return wxEmptyString;
}
 
 
DIALOG_SIM_COMMAND::DIALOG_SIM_COMMAND( SIMULATOR_FRAME* aParent,
 std::shared_ptr<SPICE_CIRCUIT_MODEL> aCircuitModel,
 std::shared_ptr<SPICE_SETTINGS>& aSettings ) :
 DIALOG_SIM_COMMAND_BASE( aParent ),
 m_simulatorFrame( aParent ),
 m_circuitModel( aCircuitModel ),
 m_settings( aSettings ),
 m_spiceEmptyValidator( true )
{
 m_simPages->Hide();
 
 m_posIntValidator.SetMin( 1 );
 
 m_acPointsNumber->SetValidator( m_posIntValidator );
 m_acFreqStart->SetValidator( m_spiceValidator );
 m_acFreqStop->SetValidator( m_spiceValidator );
 
 m_spPointsNumber->SetValidator( m_posIntValidator );
 m_spFreqStart->SetValidator( m_spiceValidator );
 m_spFreqStop->SetValidator( m_spiceValidator );
 
 m_dcStart1->SetValidator( m_spiceValidator );
 m_dcStop1->SetValidator( m_spiceValidator );
 m_dcIncr1->SetValidator( m_spiceValidator );
 
 m_dcStart2->SetValidator( m_spiceValidator );
 m_dcStop2->SetValidator( m_spiceValidator );
 m_dcIncr2->SetValidator( m_spiceValidator );
 
 m_noisePointsNumber->SetValidator( m_posIntValidator );
 m_noiseFreqStart->SetValidator( m_spiceValidator );
 m_noiseFreqStop->SetValidator( m_spiceValidator );
 
 m_transStep->SetValidator( m_spiceValidator );
 m_transFinal->SetValidator( m_spiceValidator );
 m_transInitial->SetValidator( m_spiceEmptyValidator );
 m_transMaxStep->SetValidator( m_spiceEmptyValidator );
 
 m_inputSignalsFilter->SetDescriptiveText( _( "Filter" ) );
 
 wxChar type1 = getStringSelection( m_dcSourceType1 ).Upper().GetChar( 0 );
 updateDCSources( type1, m_dcSource1 );
 
 wxChar type2 = getStringSelection( m_dcSourceType2 ).Upper().GetChar( 0 );
 updateDCSources( type2, m_dcSource2 );
 
 // NoiseRef is optional
 m_noiseRef->Append( wxEmptyString );
 
 for( const wxString& net : m_circuitModel->GetNets() )
 {
 m_pzInput->Append( net );
 m_pzInputRef->Append( net );
 m_pzOutput->Append( net );
 m_pzOutputRef->Append( net );
 
 m_noiseMeas->Append( net );
 m_noiseRef->Append( net );
 }
 
 for( const SPICE_ITEM& item : m_circuitModel->GetItems() )
 {
 if( item.model->GetDeviceType() == SIM_MODEL::DEVICE_T::V )
 m_noiseSrc->Append( item.refName );
 }
 
 if( !dynamic_cast<NGSPICE_SETTINGS*>( aSettings.get() ) )
 m_compatibilityModeSizer->Show( false );
 
 int minWidth = GetTextExtent( wxS( "XXX.XXXXXXX" ) ).x;
 m_y1Min->SetMinSize( wxSize( minWidth, -1 ) );
 m_y1Max->SetMinSize( wxSize( minWidth, -1 ) );
 m_y2Min->SetMinSize( wxSize( minWidth, -1 ) );
 m_y2Max->SetMinSize( wxSize( minWidth, -1 ) );
 m_y3Min->SetMinSize( wxSize( minWidth, -1 ) );
 m_y3Max->SetMinSize( wxSize( minWidth, -1 ) );
 
 m_bSizerY1->Show( false );
 m_bSizerY2->Show( false );
 m_bSizerY3->Show( false );
 
 SetupStandardButtons();
}
 
bool DIALOG_SIM_COMMAND::TransferDataToWindow()
{
 if( empty( m_customTxt ) )
 loadDirectives();
 
 m_fixIncludePaths->SetValue( m_settings->GetFixIncludePaths() );
 
 if( NGSPICE_SETTINGS* settings = dynamic_cast<NGSPICE_SETTINGS*>( m_settings.get() ) )
 {
 switch( settings->GetCompatibilityMode() )
 {
 case NGSPICE_COMPATIBILITY_MODE::USER_CONFIG: m_compatibilityMode->SetSelection( 0 ); break;
 case NGSPICE_COMPATIBILITY_MODE::NGSPICE: m_compatibilityMode->SetSelection( 1 ); break;
 case NGSPICE_COMPATIBILITY_MODE::PSPICE: m_compatibilityMode->SetSelection( 2 ); break;
 case NGSPICE_COMPATIBILITY_MODE::LTSPICE: m_compatibilityMode->SetSelection( 3 ); break;
 case NGSPICE_COMPATIBILITY_MODE::LT_PSPICE: m_compatibilityMode->SetSelection( 4 ); break;
 case NGSPICE_COMPATIBILITY_MODE::HSPICE: m_compatibilityMode->SetSelection( 5 ); break;
 default: wxFAIL_MSG( wxString::Format( "Unknown NGSPICE_COMPATIBILITY_MODE %d.",
 settings->GetCompatibilityMode() ) ); break;
 }
 }
 
 return true;
}
 
 
void DIALOG_SIM_COMMAND::OnUpdateUILockY1( wxUpdateUIEvent& event )
{
 event.Enable( m_lockY1->GetValue() );
}
 
 
void DIALOG_SIM_COMMAND::OnUpdateUILockY2( wxUpdateUIEvent& event )
{
 event.Enable( m_lockY2->GetValue() );
}
 
 
void DIALOG_SIM_COMMAND::OnUpdateUILockY3( wxUpdateUIEvent& event )
{
 event.Enable( m_lockY3->GetValue() );
}
 
 
void DIALOG_SIM_COMMAND::SetPlotSettings( const SIM_TAB* aSimTab )
{
 if( const SIM_PLOT_TAB* plotTab = dynamic_cast<const SIM_PLOT_TAB*>( aSimTab ) )
 {
 if( !plotTab->GetLabelY1().IsEmpty() )
 {
 m_bSizerY1->Show( true );
 m_lockY1->SetLabel( wxString::Format( m_lockY1->GetLabel(), plotTab->GetLabelY1() ) );
 m_y1Units->SetLabel( plotTab->GetUnitsY1() );
 
 double min = 0.0, max = 0.0;
 bool locked = plotTab->GetY1Scale( &min, &max );
 m_lockY1->SetValue( locked );
 
 if( !std::isnan( min ) )
 m_y1Min->SetValue( SIM_VALUE::Normalize( min ) );
 
 if( !std::isnan( max ) )
 m_y1Max->SetValue( SIM_VALUE::Normalize( max ) );
 }
 
 if( !plotTab->GetLabelY2().IsEmpty() )
 {
 m_bSizerY2->Show( true );
 m_lockY2->SetLabel( wxString::Format( m_lockY2->GetLabel(), plotTab->GetLabelY2() ) );
 m_y2Units->SetLabel( plotTab->GetUnitsY2() );
 
 double min = 0.0, max = 0.0;
 bool locked = plotTab->GetY2Scale( &min, &max );
 m_lockY2->SetValue( locked );
 
 if( !std::isnan( min ) )
 m_y2Min->SetValue( SIM_VALUE::Normalize( min ) );
 
 if( !std::isnan( max ) )
 m_y2Max->SetValue( SIM_VALUE::Normalize( max ) );
 }
 
 if( !plotTab->GetLabelY3().IsEmpty() )
 {
 m_bSizerY3->Show( true );
 m_lockY3->SetLabel( wxString::Format( m_lockY3->GetLabel(), plotTab->GetLabelY3() ) );
 m_y3Units->SetLabel( plotTab->GetUnitsY3() );
 
 double min = 0.0, max = 0.0;
 bool locked = plotTab->GetY3Scale( &min, &max );
 m_lockY3->SetValue( locked );
 
 if( !std::isnan( min ) )
 m_y3Min->SetValue( SIM_VALUE::Normalize( min ) );
 
 if( !std::isnan( max ) )
 m_y3Max->SetValue( SIM_VALUE::Normalize( max ) );
 }
 
 m_grid->SetValue( plotTab->IsGridShown() );
 m_legend->SetValue( plotTab->IsLegendShown() );
 m_dottedSecondary->SetValue( plotTab->GetDottedSecondary() );
 
#define GET_STR( val ) EDA_UNIT_UTILS::UI::MessageTextFromValue( unityScale, EDA_UNITS::UNSCALED, \
 val, false /* no units */ )
 
 m_marginLeft->SetValue( GET_STR( plotTab->GetPlotWin()->GetMarginLeft() ) );
 m_marginTop->SetValue( GET_STR( plotTab->GetPlotWin()->GetMarginTop() ) );
 m_marginRight->SetValue( GET_STR( plotTab->GetPlotWin()->GetMarginRight() ) );
 m_marginBottom->SetValue( GET_STR( plotTab->GetPlotWin()->GetMarginBottom() ) );
 }
}
 
 
wxString DIALOG_SIM_COMMAND::evaluateDCControls( wxChoice* aDcSource, wxTextCtrl* aDcStart,
 wxTextCtrl* aDcStop, wxTextCtrl* aDcIncr )
{
 wxString dcSource;
 wxWindow* ctrlWithError = nullptr;
 
 if( aDcSource->GetSelection() >= 0 )
 dcSource = aDcSource->GetString( aDcSource->GetSelection() );
 
 if( dcSource.IsEmpty() )
 {
 DisplayError( this, _( "A DC source must be specified." ) );
 ctrlWithError = aDcSource;
 }
 else if( !aDcStart->Validate() )
 ctrlWithError = aDcStart;
 else if( !aDcStop->Validate() )
 ctrlWithError = aDcStop;
 else if( !aDcIncr->Validate() )
 ctrlWithError = aDcIncr;
 
 if( ctrlWithError )
 {
 ctrlWithError->SetFocus();
 return wxEmptyString;
 }
 
 // pick device name from exporter when something different than temperature is selected
 if( dcSource.Cmp( "TEMP" ) )
 dcSource = m_circuitModel->GetItemName( dcSource );
 
 return wxString::Format( "%s %s %s %s", dcSource,
 SPICE_VALUE( aDcStart->GetValue() ).ToSpiceString(),
 SPICE_VALUE( aDcStop->GetValue() ).ToSpiceString(),
 SPICE_VALUE( aDcIncr->GetValue() ).ToSpiceString() );
}
 
 
bool DIALOG_SIM_COMMAND::TransferDataFromWindow()
{
 if( !wxDialog::TransferDataFromWindow() )
 return false;
 
 // The simulator dependent settings always get transferred.
 if( NGSPICE_SETTINGS* settings = dynamic_cast<NGSPICE_SETTINGS*>( m_settings.get() ) )
 {
 switch( m_compatibilityMode->GetSelection() )
 {
 case 0: settings->SetCompatibilityMode( NGSPICE_COMPATIBILITY_MODE::USER_CONFIG ); break;
 case 1: settings->SetCompatibilityMode( NGSPICE_COMPATIBILITY_MODE::NGSPICE ); break;
 case 2: settings->SetCompatibilityMode( NGSPICE_COMPATIBILITY_MODE::PSPICE ); break;
 case 3: settings->SetCompatibilityMode( NGSPICE_COMPATIBILITY_MODE::LTSPICE ); break;
 case 4: settings->SetCompatibilityMode( NGSPICE_COMPATIBILITY_MODE::LT_PSPICE ); break;
 case 5: settings->SetCompatibilityMode( NGSPICE_COMPATIBILITY_MODE::HSPICE ); break;
 }
 }
 
 wxString previousSimCommand = m_simCommand;
 wxWindow* page = m_simPages->GetCurrentPage();
 
 if( page == m_pgAC ) // AC small-signal analysis
 {
 if( !m_pgAC->Validate() )
 return false;
 
 m_simCommand.Printf( ".ac %s %s %s %s",
 scaleToString( m_acScale->GetSelection() ),
 m_acPointsNumber->GetValue(),
 SPICE_VALUE( m_acFreqStart->GetValue() ).ToSpiceString(),
 SPICE_VALUE( m_acFreqStop->GetValue() ).ToSpiceString() );
 }
 else if( page == m_pgSP ) // S-params analysis
 {
 if( !m_pgSP->Validate() )
 return false;
 
 m_simCommand.Printf( ".sp %s %s %s %s %s", scaleToString( m_spScale->GetSelection() ),
 m_spPointsNumber->GetValue(),
 SPICE_VALUE( m_spFreqStart->GetValue() ).ToSpiceString(),
 SPICE_VALUE( m_spFreqStop->GetValue() ).ToSpiceString(),
 m_spDoNoise ? "1" : "" );
 }
 else if( page == m_pgDC ) // DC transfer analysis
 {
 wxString simCmd = wxString( ".dc " );
 
 wxString src1 = evaluateDCControls( m_dcSource1, m_dcStart1, m_dcStop1, m_dcIncr1 );
 
 if( src1.IsEmpty() )
 return false;
 else
 simCmd += src1;
 
 if( m_dcEnable2->IsChecked() )
 {
 wxString src2 = evaluateDCControls( m_dcSource2, m_dcStart2, m_dcStop2, m_dcIncr2 );
 
 if( src2.IsEmpty() )
 return false;
 else
 simCmd += " " + src2;
 
 if( m_dcSource1->GetStringSelection() == m_dcSource2->GetStringSelection() )
 {
 DisplayError( this, _( "Source 1 and Source 2 must be different." ) );
 return false;
 }
 }
 
 m_simCommand = simCmd;
 }
 else if( page == m_pgFFT ) // Fast Fourier transform
 {
 m_simCommand = wxEmptyString;
 wxString vectors;
 
 for( int ii = 0; ii < (int) m_inputSignalsList->GetCount(); ++ii )
 {
 if( m_inputSignalsList->IsChecked( ii ) )
 vectors += wxS( " " ) + m_inputSignalsList->GetString( ii );
 }
 
 if( m_linearize->IsChecked() )
 m_simCommand = wxT( "linearize" ) + vectors + wxS( "\n" );
 
 m_simCommand += wxT( "fft" ) + vectors;
 }
 else if( page == m_pgPZ ) // Pole-zero analyses
 {
 wxString input = m_pzInput->GetStringSelection();
 wxString inputRef = m_pzInputRef->GetStringSelection();
 wxString output = m_pzOutput->GetStringSelection();
 wxString outputRef = m_pzOutputRef->GetStringSelection();
 wxString transferFunction = wxS( "vol" );
 wxString analyses = wxS( "pz" );
 
 if( m_pzFunctionType->GetSelection() == 1 )
 transferFunction = wxS( "cur" );
 
 if( m_pzAnalyses->GetSelection() == 1 )
 analyses = wxS( "pol" );
 else if( m_pzAnalyses->GetSelection() == 2 )
 analyses = wxS( "zer" );
 
 m_simCommand.Printf( ".pz %s %s %s %s %s %s",
 input,
 inputRef,
 output,
 outputRef,
 transferFunction,
 analyses );
 }
 else if( page == m_pgNOISE ) // Noise analysis
 {
 wxString output = m_noiseMeas->GetStringSelection();
 wxString ref = m_noiseRef->GetStringSelection();
 wxString noiseSource = m_noiseSrc->GetStringSelection();
 
 if( m_noiseFreqStart->IsEmpty() || m_noiseFreqStop->IsEmpty() )
 {
 DisplayError( this, _( "A frequency range must be specified." ) );
 return false;
 }
 
 if( !ref.IsEmpty() )
 ref = wxS( "," ) + m_circuitModel->GetItemName( ref );
 
 m_simCommand.Printf( ".noise v(%s%s) %s %s %s %s %s %s",
 output,
 ref,
 noiseSource,
 scaleToString( m_noiseScale->GetSelection() ),
 m_noisePointsNumber->GetValue(),
 SPICE_VALUE( m_noiseFreqStart->GetValue() ).ToSpiceString(),
 SPICE_VALUE( m_noiseFreqStop->GetValue() ).ToSpiceString(),
 m_saveAllNoise->GetValue() ? "1" : "" );
 }
 else if( page == m_pgOP ) // DC operating point analysis
 {
 m_simCommand = wxString( ".op" );
 }
 else if( page == m_pgTRAN ) // Transient analysis
 {
 if( !m_pgTRAN->Validate() )
 return false;
 
 const wxString spc = wxS( " " );
 const SPICE_VALUE timeStep( m_transStep->GetValue() );
 const SPICE_VALUE finalTime( m_transFinal->GetValue() );
 
 SPICE_VALUE startTime( 0 );
 
 if( !empty( m_transInitial ) )
 startTime = SPICE_VALUE( m_transInitial->GetValue() );
 
 wxString optionals;
 
 if( m_useInitialConditions->GetValue() )
 optionals = wxS( "uic" );
 
 if( !empty( m_transMaxStep ) )
 {
 optionals = SPICE_VALUE( m_transMaxStep->GetValue() ).ToSpiceString() + spc + optionals;
 }
 else if( !optionals.IsEmpty() )
 {
 SPICE_VALUE maxStep = ( finalTime - startTime ) / 50.0;
 
 if( maxStep > timeStep )
 maxStep = timeStep;
 
 optionals = maxStep.ToSpiceString() + spc + optionals;
 }
 
 if( !empty( m_transInitial ) )
 optionals = startTime.ToSpiceString() + spc + optionals;
 else if( !optionals.IsEmpty() )
 optionals = wxS( "0 " ) + optionals;
 
 m_simCommand.Printf( wxS( ".tran %s %s %s" ), timeStep.ToSpiceString(),
 finalTime.ToSpiceString(), optionals );
 }
 else if( page == m_pgCustom ) // Custom directives
 {
 m_simCommand = m_customTxt->GetValue();
 }
 else
 {
 return false;
 }
 
 if( previousSimCommand != m_simCommand )
 m_simCommand.Trim();
 
 m_settings->SetFixIncludePaths( m_fixIncludePaths->GetValue() );
 
 return true;
}
 
 
void DIALOG_SIM_COMMAND::ApplySettings( SIM_TAB* aTab )
{
 int options = NETLIST_EXPORTER_SPICE::OPTION_DEFAULT_FLAGS;
 
 if( !m_fixIncludePaths->GetValue() )
 options &= ~NETLIST_EXPORTER_SPICE::OPTION_ADJUST_INCLUDE_PATHS;
 
 if( !m_saveAllVoltages->GetValue() )
 options &= ~NETLIST_EXPORTER_SPICE::OPTION_SAVE_ALL_VOLTAGES;
 
 if( !m_saveAllCurrents->GetValue() )
 options &= ~NETLIST_EXPORTER_SPICE::OPTION_SAVE_ALL_CURRENTS;
 
 if( !m_saveAllDissipations->GetValue() )
 options &= ~NETLIST_EXPORTER_SPICE::OPTION_SAVE_ALL_DISSIPATIONS;
 
 if( !m_saveAllEvents->GetValue() )
 options &= ~NETLIST_EXPORTER_SPICE::OPTION_SAVE_ALL_EVENTS;
 
 aTab->SetSimOptions( options );
 m_simulatorFrame->ReloadSimulator( m_simCommand, options );
 
#define TO_INT( ctrl ) (int) EDA_UNIT_UTILS::UI::ValueFromString( unityScale, EDA_UNITS::UNSCALED, \
 ctrl->GetValue() )
 
 if( SIM_PLOT_TAB* plotTab = dynamic_cast<SIM_PLOT_TAB*>( aTab ) )
 {
 if( !plotTab->GetLabelY1().IsEmpty() )
 {
 plotTab->SetY1Scale( m_lockY1->GetValue(),
 SIM_VALUE::ToDouble( m_y1Min->GetValue().ToStdString() ),
 SIM_VALUE::ToDouble( m_y1Max->GetValue().ToStdString() ) );
 }
 
 if( !plotTab->GetLabelY2().IsEmpty() )
 {
 plotTab->SetY2Scale( m_lockY2->GetValue(),
 SIM_VALUE::ToDouble( m_y2Min->GetValue().ToStdString() ),
 SIM_VALUE::ToDouble( m_y2Max->GetValue().ToStdString() ) );
 }
 
 if( !plotTab->GetLabelY3().IsEmpty() )
 {
 plotTab->SetY3Scale( m_lockY3->GetValue(),
 SIM_VALUE::ToDouble( m_y3Min->GetValue().ToStdString() ),
 SIM_VALUE::ToDouble( m_y3Max->GetValue().ToStdString() ) );
 }
 
 plotTab->GetPlotWin()->LockY( m_lockY1->GetValue()
 || m_lockY2->GetValue()
 || m_lockY3->GetValue() );
 
 plotTab->ShowGrid( m_grid->GetValue() );
 plotTab->ShowLegend( m_legend->GetValue() );
 plotTab->SetDottedSecondary( m_dottedSecondary->GetValue() );
 
 plotTab->GetPlotWin()->SetMarginLeft( TO_INT( m_marginLeft ) );
 plotTab->GetPlotWin()->SetMarginRight( TO_INT( m_marginRight ) );
 plotTab->GetPlotWin()->SetMarginTop( TO_INT( m_marginTop ) );
 plotTab->GetPlotWin()->SetMarginBottom( TO_INT( m_marginBottom ) );
 
 plotTab->GetPlotWin()->AdjustLimitedView();
 plotTab->GetPlotWin()->UpdateAll();
 }
}
 
 
void DIALOG_SIM_COMMAND::updateDCSources( wxChar aType, wxChoice* aSource )
{
 wxString prevSelection;
 
 if( !aSource->IsEmpty() )
 prevSelection = aSource->GetString( aSource->GetSelection() );
 
 std::set<wxString> sourcesList;
 bool enableSrcSelection = true;
 
 if( aType != 'T' )
 {
 for( const SPICE_ITEM& item : m_circuitModel->GetItems() )
 {
 if( ( aType == 'R' && item.model->GetDeviceType() == SIM_MODEL::DEVICE_T::R )
 || ( aType == 'V' && item.model->GetDeviceType() == SIM_MODEL::DEVICE_T::V )
 || ( aType == 'I' && item.model->GetDeviceType() == SIM_MODEL::DEVICE_T::I ) )
 {
 sourcesList.insert( item.refName );
 }
 }
 
 if( aSource == m_dcSource2 && !m_dcEnable2->IsChecked() )
 enableSrcSelection = false;
 }
 else
 {
 prevSelection = wxT( "TEMP" );
 sourcesList.insert( prevSelection );
 enableSrcSelection = false;
 }
 
 aSource->Enable( enableSrcSelection );
 
 aSource->Clear();
 
 for( const wxString& src : sourcesList )
 aSource->Append( src );
 
 // Try to restore the previous selection, if possible
 aSource->SetStringSelection( prevSelection );
}
 
 
void DIALOG_SIM_COMMAND::parseCommand( const wxString& aCommand )
{
 if( aCommand.IsEmpty() )
 return;
 
 if( aCommand == wxT( "*" ) )
 {
 SetTitle( _( "New Simulation Tab" ) );
 
 m_commandType->Clear();
 
 for( SIM_TYPE type : { ST_OP, ST_DC, ST_AC, ST_TRAN, ST_PZ, ST_NOISE, ST_SP, ST_FFT } )
 {
 m_commandType->Append( SPICE_SIMULATOR::TypeToName( type, true )
 + wxT( " \u2014 " )
 + SPICE_SIMULATOR::TypeToName( type, false ) );
 }
 
 m_commandTypeSizer->Show( true );
 m_commandType->SetSelection( 0 );
 m_simPages->SetSelection( m_simPages->FindPage( m_pgOP ) );
 m_simPages->Show();
 return;
 }
 
 SIM_TYPE simType = SPICE_CIRCUIT_MODEL::CommandToSimType( aCommand );
 
 SetTitle( SPICE_SIMULATOR::TypeToName( simType, true )
 + wxT( " \u2014 " )
 + SPICE_SIMULATOR::TypeToName( simType, false ) );
 
 m_commandTypeSizer->Show( false );
 
 wxStringTokenizer tokenizer( aCommand, wxS( " \t\n\r" ), wxTOKEN_STRTOK );
 wxString token = tokenizer.GetNextToken().Lower();
 
 switch( simType )
 {
 case ST_AC:
 m_simPages->SetSelection( m_simPages->FindPage( m_pgAC ) );
 
 token = tokenizer.GetNextToken().Lower();
 
 for( SCALE_TYPE candidate : { DECADE, OCTAVE, LINEAR } )
 {
 if( scaleToString( candidate ) == token )
 {
 m_acScale->SetSelection( candidate );
 break;
 }
 }
 
 m_acPointsNumber->SetValue( tokenizer.GetNextToken() );
 m_acFreqStart->SetValue( SPICE_VALUE( tokenizer.GetNextToken() ).ToSpiceString() );
 m_acFreqStop->SetValue( SPICE_VALUE( tokenizer.GetNextToken() ).ToSpiceString() );
 break;
 
 case ST_SP:
 m_simPages->SetSelection( m_simPages->FindPage( m_pgSP ) );
 
 token = tokenizer.GetNextToken().Lower();
 
 for( SCALE_TYPE candidate : { DECADE, OCTAVE, LINEAR } )
 {
 if( scaleToString( candidate ) == token )
 {
 m_spScale->SetSelection( candidate );
 break;
 }
 }
 
 m_spPointsNumber->SetValue( tokenizer.GetNextToken() );
 m_spFreqStart->SetValue( SPICE_VALUE( tokenizer.GetNextToken() ).ToSpiceString() );
 m_spFreqStop->SetValue( SPICE_VALUE( tokenizer.GetNextToken() ).ToSpiceString() );
 
 if( tokenizer.HasMoreTokens() )
 m_spDoNoise->SetValue( SPICE_VALUE( tokenizer.GetNextToken() ).ToSpiceString() == "1" );
 
 break;
 
 case ST_DC:
 {
 m_simPages->SetSelection( m_simPages->FindPage( m_pgDC ) );
 
 SPICE_DC_PARAMS src1, src2;
 src2.m_vincrement = SPICE_VALUE( -1 );
 
 m_circuitModel->ParseDCCommand( aCommand, &src1, &src2 );
 
 if( src1.m_source.IsSameAs( wxT( "TEMP" ), false ) )
 setStringSelection( m_dcSourceType1, wxT( "TEMP" ) );
 else
 setStringSelection( m_dcSourceType1, src1.m_source.GetChar( 0 ) );
 
 updateDCSources( src1.m_source.GetChar( 0 ), m_dcSource1 );
 m_dcSource1->SetStringSelection( src1.m_source );
 m_dcStart1->SetValue( src1.m_vstart.ToSpiceString() );
 m_dcStop1->SetValue( src1.m_vend.ToSpiceString() );
 m_dcIncr1->SetValue( src1.m_vincrement.ToSpiceString() );
 
 if( src2.m_vincrement.ToDouble() != -1 )
 {
 if( src2.m_source.IsSameAs( wxT( "TEMP" ), false ) )
 setStringSelection( m_dcSourceType2, wxT( "TEMP" ) );
 else
 setStringSelection( m_dcSourceType2, src2.m_source.GetChar( 0 ) );
 
 updateDCSources( src2.m_source.GetChar( 0 ), m_dcSource2 );
 m_dcSource2->SetStringSelection( src2.m_source );
 m_dcStart2->SetValue( src2.m_vstart.ToSpiceString() );
 m_dcStop2->SetValue( src2.m_vend.ToSpiceString() );
 m_dcIncr2->SetValue( src2.m_vincrement.ToSpiceString() );
 
 m_dcEnable2->SetValue( true );
 }
 
 break;
 }
 
 case ST_PZ:
 {
 m_simPages->SetSelection( m_simPages->FindPage( m_pgPZ ) );
 
 wxString transferFunction;
 wxString input, inputRef;
 wxString output, outputRef;
 SPICE_PZ_ANALYSES analyses;
 
 m_circuitModel->ParsePZCommand( aCommand, &transferFunction, &input, &inputRef, &output,
 &outputRef, &analyses );
 
 m_pzInput->SetStringSelection( input );
 m_pzInputRef->SetStringSelection( inputRef );
 m_pzOutput->SetStringSelection( output );
 m_pzOutputRef->SetStringSelection( outputRef );
 
 m_pzFunctionType->SetSelection( transferFunction.Lower() == "cur" ? 1 : 0 );
 
 if( analyses.m_Poles && analyses.m_Zeros )
 m_pzAnalyses->SetSelection( 0 );
 else if( analyses.m_Poles )
 m_pzAnalyses->SetSelection( 1 );
 else
 m_pzAnalyses->SetSelection( 2 );
 
 break;
 }
 
 case ST_NOISE:
 {
 m_simPages->SetSelection( m_simPages->FindPage( m_pgNOISE ) );
 
 wxString output;
 wxString ref;
 wxString source;
 wxString scale;
 SPICE_VALUE pts;
 SPICE_VALUE fStart;
 SPICE_VALUE fStop;
 bool saveAll;
 
 m_circuitModel->ParseNoiseCommand( aCommand, &output, &ref, &source, &scale, &pts,
 &fStart, &fStop, &saveAll );
 
 m_noiseMeas->SetStringSelection( output );
 m_noiseRef->SetStringSelection( ref );
 m_noiseSrc->SetStringSelection( source );
 
 for( SCALE_TYPE candidate : { DECADE, OCTAVE, LINEAR } )
 {
 if( scaleToString( candidate ) == scale )
 {
 m_noiseScale->SetSelection( candidate );
 break;
 }
 }
 
 m_noisePointsNumber->SetValue( pts.ToSpiceString() );
 m_noiseFreqStart->SetValue( fStart.ToSpiceString() );
 m_noiseFreqStop->SetValue( fStop.ToSpiceString() );
 
 m_saveAllNoise->SetValue( saveAll );
 break;
 }
 
 case ST_TRAN:
 m_simPages->SetSelection( m_simPages->FindPage( m_pgTRAN ) );
 
 // If the fields below are empty, it will be caught by the exception handler
 m_transStep->SetValue( SPICE_VALUE( tokenizer.GetNextToken() ).ToSpiceString() );
 m_transFinal->SetValue( SPICE_VALUE( tokenizer.GetNextToken() ).ToSpiceString() );
 
 // Initial time is an optional field
 token = tokenizer.GetNextToken();
 
 if( !token.IsEmpty() )
 m_transInitial->SetValue( SPICE_VALUE( token ).ToSpiceString() );
 
 // Max step is an optional field
 token = tokenizer.GetNextToken();
 
 if( !token.IsEmpty() )
 m_transMaxStep->SetValue( SPICE_VALUE( token ).ToSpiceString() );
 
 // uic is an optional field
 token = tokenizer.GetNextToken();
 
 if( token.IsSameAs( wxS( "uic" ) ) )
 m_useInitialConditions->SetValue( true );
 
 break;
 
 case ST_OP:
 m_simPages->SetSelection( m_simPages->FindPage( m_pgOP ) );
 break;
 
 case ST_FFT:
 {
 m_simPages->SetSelection( m_simPages->FindPage( m_pgFFT ) );
 
 while( tokenizer.HasMoreTokens() )
 m_fftInputSignals.insert( tokenizer.GetNextToken() );
 
 break;
 }
 
 default:
 m_simPages->SetSelection( m_simPages->FindPage( m_pgCustom ) );
 break;
 }
 
 m_simPages->Show();
}
 
 
void DIALOG_SIM_COMMAND::OnCommandType( wxCommandEvent& event )
{
 int sel = ST_UNKNOWN;
 wxString str = m_commandType->GetString( event.GetSelection() );
 
 for( int type = ST_UNKNOWN; type < ST_LAST; ++type )
 {
 if( str.StartsWith( SPICE_SIMULATOR::TypeToName( (SIM_TYPE) type, true ) ) )
 sel = type;
 }
 
 switch( sel )
 {
 case ST_AC: m_simPages->SetSelection( m_simPages->FindPage( m_pgAC ) ); break;
 case ST_SP: m_simPages->SetSelection( m_simPages->FindPage( m_pgSP ) ); break;
 case ST_DC: m_simPages->SetSelection( m_simPages->FindPage( m_pgDC ) ); break;
 case ST_PZ: m_simPages->SetSelection( m_simPages->FindPage( m_pgPZ ) ); break;
 case ST_NOISE: m_simPages->SetSelection( m_simPages->FindPage( m_pgNOISE ) ); break;
 case ST_TRAN: m_simPages->SetSelection( m_simPages->FindPage( m_pgTRAN ) ); break;
 case ST_OP: m_simPages->SetSelection( m_simPages->FindPage( m_pgOP ) ); break;
 case ST_FFT: m_simPages->SetSelection( m_simPages->FindPage( m_pgFFT ) ); break;
 default: m_simPages->SetSelection( m_simPages->FindPage( m_pgCustom ) ); break;
 }
}
 
 
void DIALOG_SIM_COMMAND::onSwapDCSources( wxCommandEvent& event )
{
 std::vector<std::pair<wxTextEntry*, wxTextEntry*>> textCtrl = { { m_dcStart1, m_dcStart2 },
 { m_dcStop1, m_dcStop2 },
 { m_dcIncr1, m_dcIncr2 } };
 
 for( auto& couple : textCtrl )
 {
 wxString tmp = couple.first->GetValue();
 couple.first->SetValue( couple.second->GetValue() );
 couple.second->SetValue( tmp );
 }
 
 int src1 = m_dcSource1->GetSelection();
 int src2 = m_dcSource2->GetSelection();
 
 int sel = m_dcSourceType1->GetSelection();
 m_dcSourceType1->SetSelection( m_dcSourceType2->GetSelection() );
 m_dcSourceType2->SetSelection( sel );
 
 wxChar type1 = getStringSelection( m_dcSourceType1 ).Upper().GetChar( 0 );
 updateDCSources( type1, m_dcSource1 );
 wxChar type2 = getStringSelection( m_dcSourceType2 ).Upper().GetChar( 0 );
 updateDCSources( type2, m_dcSource2 );
 
 m_dcSource1->SetSelection( src2 );
 m_dcSource2->SetSelection( src1 );
 
 updateDCUnits( type1, m_src1DCStartValUnit, m_src1DCEndValUnit, m_src1DCStepUnit );
 updateDCUnits( type2, m_src2DCStartValUnit, m_src2DCEndValUnit, m_src2DCStepUnit );
}
 
 
void DIALOG_SIM_COMMAND::onDCSource1Selected( wxCommandEvent& event )
{
 wxChar type = m_dcSourceType1->GetString( m_dcSourceType1->GetSelection() ).Upper()[ 0 ];
 updateDCSources( type, m_dcSource1 );
 updateDCUnits( type, m_src1DCStartValUnit, m_src1DCEndValUnit, m_src1DCStepUnit );
}
 
 
void DIALOG_SIM_COMMAND::onDCSource2Selected( wxCommandEvent& event )
{
 wxChar type = m_dcSourceType2->GetString( m_dcSourceType2->GetSelection() ).Upper()[ 0 ];
 updateDCSources( type, m_dcSource2 );
 updateDCUnits( type, m_src2DCStartValUnit, m_src2DCEndValUnit, m_src2DCStepUnit );
}
 
 
void DIALOG_SIM_COMMAND::onDCEnableSecondSource( wxCommandEvent& event )
{
 bool is2ndSrcEnabled = m_dcEnable2->IsChecked();
 wxChar type = '?';
 
 if( is2ndSrcEnabled )
 {
 wxString fullType = getStringSelection( m_dcSourceType2 ).Upper();
 
 if( fullType.Length() > 0 )
 type = fullType.GetChar( 0 );
 }
 
 m_dcSourceType2->Enable( is2ndSrcEnabled );
 m_dcSource2->Enable( is2ndSrcEnabled && type != 'T' );
 m_dcStart2->Enable( is2ndSrcEnabled );
 m_dcStop2->Enable( is2ndSrcEnabled );
 m_dcIncr2->Enable( is2ndSrcEnabled );
}
 
 
void DIALOG_SIM_COMMAND::updateDCUnits( wxChar aType, wxStaticText* aStartValUnit,
 wxStaticText* aEndValUnit, wxStaticText* aStepUnit )
{
 wxString unit;
 
 switch( aType )
 {
 case 'V': unit = wxS( "V" ); break;
 case 'I': unit = wxS( "A" ); break;
 case 'R': unit = wxS( "Ω" ); break;
 case 'T': unit = wxS( "°C" ); break;
 }
 
 aStartValUnit->SetLabel( unit );
 aEndValUnit->SetLabel( unit );
 aStepUnit->SetLabel( unit );
 
 m_pgDC->Refresh();
}
 
 
void DIALOG_SIM_COMMAND::loadDirectives()
{
 if( m_circuitModel )
 m_customTxt->SetValue( m_circuitModel->GetSchTextSimCommand() );
}
 
 
void DIALOG_SIM_COMMAND::OnFilterText( wxCommandEvent& aEvent )
{
 for( int ii = 0; ii < (int) m_inputSignalsList->GetCount(); ++ii )
 {
 if( m_inputSignalsList->IsChecked( ii ) )
 m_fftInputSignals.insert( m_inputSignalsList->GetString( ii ) );
 else
 m_fftInputSignals.erase( m_inputSignalsList->GetString( ii ) );
 }
 
 m_inputSignalsList->Clear();
 
 wxString aFilter = m_inputSignalsFilter->GetValue();
 
 if( aFilter.IsEmpty() )
 aFilter = wxS( "*" );
 
 EDA_COMBINED_MATCHER matcher( aFilter.Upper(), CTX_SIGNAL );
 
 for( const wxString& signal : m_simulatorFrame->Signals() )
 {
 if( matcher.Find( signal.Upper() ) )
 {
 m_inputSignalsList->Append( signal );
 
 if( m_fftInputSignals.count( signal ) )
 m_inputSignalsList->Check( m_inputSignalsList->GetCount() - 1 );
 }
 }
}
 
 
void DIALOG_SIM_COMMAND::OnFilterMouseMoved( wxMouseEvent& aEvent )
{
 wxPoint pos = aEvent.GetPosition();
 wxRect ctrlRect = m_inputSignalsFilter->GetScreenRect();
 int buttonWidth = ctrlRect.GetHeight(); // Presume buttons are square
 
 if( m_inputSignalsFilter->IsSearchButtonVisible() && pos.x < buttonWidth )
 SetCursor( wxCURSOR_ARROW );
 else if( m_inputSignalsFilter->IsCancelButtonVisible() && pos.x > ctrlRect.GetWidth() - buttonWidth )
 SetCursor( wxCURSOR_ARROW );
 else
 SetCursor( wxCURSOR_IBEAM );
}