sim_plot_frame.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2016 CERN
 * Copyright (C) 2016-2021 KiCad Developers, see AUTHORS.txt for contributors.
 * @author Tomasz Wlostowski <[email protected]>
 * @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 <wx/debug.h>
#include <wx/stc/stc.h>

#include <project/project_file.h>
#include <sch_edit_frame.h>
#include <eeschema_id.h>
#include <kiway.h>
#include <confirm.h>
#include <bitmaps.h>
#include <wildcards_and_files_ext.h>
#include <widgets/tuner_slider.h>
#include <dialogs/dialog_signal_list.h>
#include "string_utils.h"
#include "netlist_exporter_pspice_sim.h"
#include <pgm_base.h>
#include "ngspice.h"
#include "sim_plot_colors.h"
#include "sim_plot_frame.h"
#include "sim_plot_panel.h"
#include "spice_simulator.h"
#include "spice_reporter.h"
#include <menus_helpers.h>
#include <tool/tool_manager.h>
#include <tools/ee_actions.h>
#include <eeschema_settings.h>
#include <wx/ffile.h>
#include <wx/filedlg.h>
#include <dialog_shim.h>


SIM_PLOT_TYPE operator|( SIM_PLOT_TYPE aFirst, SIM_PLOT_TYPE aSecond )
{
 int res = (int) aFirst | (int) aSecond;

 return (SIM_PLOT_TYPE) res;
}


class SIM_THREAD_REPORTER : public SPICE_REPORTER
{
public:
 SIM_THREAD_REPORTER( SIM_PLOT_FRAME* aParent ) :
 m_parent( aParent )
 {
 }

 REPORTER& Report( const wxString& aText, SEVERITY aSeverity = RPT_SEVERITY_UNDEFINED ) override
 {
 wxCommandEvent* event = new wxCommandEvent( EVT_SIM_REPORT );
 event->SetString( aText );
 wxQueueEvent( m_parent, event );
 return *this;
 }

 bool HasMessage() const override
 {
 return false; // Technically "indeterminate" rather than false.
 }

 void OnSimStateChange( SPICE_SIMULATOR* aObject, SIM_STATE aNewState ) override
 {
 wxCommandEvent* event = nullptr;

 switch( aNewState )
 {
 case SIM_IDLE:
 event = new wxCommandEvent( EVT_SIM_FINISHED );
 break;

 case SIM_RUNNING:
 event = new wxCommandEvent( EVT_SIM_STARTED );
 break;

 default:
 wxFAIL;
 return;
 }

 wxQueueEvent( m_parent, event );
 }

private:
 SIM_PLOT_FRAME* m_parent;
};


SIM_PLOT_FRAME::SIM_PLOT_FRAME( KIWAY* aKiway, wxWindow* aParent ) :
 SIM_PLOT_FRAME_BASE( aParent ),
 m_lastSimPlot( nullptr ),
 m_plotNumber( 0 ),
 m_simFinished( false )
{
 SetKiway( this, aKiway );
 m_signalsIconColorList = nullptr;

 m_schematicFrame = (SCH_EDIT_FRAME*) Kiway().Player( FRAME_SCH, false );

 if( m_schematicFrame == nullptr )
 throw std::runtime_error( "There is no schematic window" );

 // Give an icon
 wxIcon icon;
 icon.CopyFromBitmap( KiBitmap( BITMAPS::simulator ) );
 SetIcon( icon );

 m_simulator = SPICE_SIMULATOR::CreateInstance( "ngspice" );

 if( !m_simulator )
 {
 throw std::runtime_error( "Could not create simulator instance" );
 return;
 }

 // Get the previous size and position of windows:
 LoadSettings( config() );

 // Prepare the color list to plot traces
 SIM_PLOT_COLORS::FillDefaultColorList( GetPlotBgOpt() );

 // Give icons to menuitems
 setIconsForMenuItems();

 m_simulator->Init();

 m_reporter = new SIM_THREAD_REPORTER( this );
 m_simulator->SetReporter( m_reporter );

 // the settings dialog will be created later, on demand.
 // if created in the ctor, for some obscure reason, there is an issue
 // on Windows: when open it, the simulator frame is sent to the background.
 // instead of being behind the dialog frame (as it does)
 m_settingsDlg = nullptr;

 updateNetlistExporter();

 Bind( EVT_SIM_UPDATE, &SIM_PLOT_FRAME::onSimUpdate, this );
 Bind( EVT_SIM_REPORT, &SIM_PLOT_FRAME::onSimReport, this );
 Bind( EVT_SIM_STARTED, &SIM_PLOT_FRAME::onSimStarted, this );
 Bind( EVT_SIM_FINISHED, &SIM_PLOT_FRAME::onSimFinished, this );
 Bind( EVT_SIM_CURSOR_UPDATE, &SIM_PLOT_FRAME::onCursorUpdate, this );

 // Toolbar buttons
 m_toolSimulate = m_toolBar->AddTool( ID_SIM_RUN, _( "Run/Stop Simulation" ),
 KiBitmap( BITMAPS::sim_run ), _( "Run Simulation" ), wxITEM_NORMAL );
 m_toolAddSignals = m_toolBar->AddTool( ID_SIM_ADD_SIGNALS, _( "Add Signals" ),
 KiBitmap( BITMAPS::sim_add_signal ), _( "Add signals to plot" ), wxITEM_NORMAL );
 m_toolProbe = m_toolBar->AddTool( ID_SIM_PROBE, _( "Probe" ),
 KiBitmap( BITMAPS::sim_probe ), _( "Probe signals on the schematic" ), wxITEM_NORMAL );
 m_toolTune = m_toolBar->AddTool( ID_SIM_TUNE, _( "Tune" ),
 KiBitmap( BITMAPS::sim_tune ), _( "Tune component values" ), wxITEM_NORMAL );
 m_toolSettings = m_toolBar->AddTool( wxID_ANY, _( "Sim Parameters" ),
 KiBitmap( BITMAPS::config ), _( "Simulation parameters and settings" ), wxITEM_NORMAL );

 // Start all toolbar buttons except settings as disabled
 m_toolSimulate->Enable( false );
 m_toolAddSignals->Enable( false );
 m_toolProbe->Enable( false );
 m_toolTune->Enable( false );
 m_toolSettings->Enable( true );

 Bind( wxEVT_UPDATE_UI, &SIM_PLOT_FRAME::menuSimulateUpdate, this, m_toolSimulate->GetId() );
 Bind( wxEVT_UPDATE_UI, &SIM_PLOT_FRAME::menuAddSignalsUpdate, this,
  m_toolAddSignals->GetId() );
 Bind( wxEVT_UPDATE_UI, &SIM_PLOT_FRAME::menuProbeUpdate, this, m_toolProbe->GetId() );
 Bind( wxEVT_UPDATE_UI, &SIM_PLOT_FRAME::menuTuneUpdate, this, m_toolTune->GetId() );

 Bind( wxEVT_COMMAND_TOOL_CLICKED, &SIM_PLOT_FRAME::onSimulate, this, m_toolSimulate->GetId() );
 Bind( wxEVT_COMMAND_TOOL_CLICKED, &SIM_PLOT_FRAME::onAddSignal, this,
 m_toolAddSignals->GetId() );
 Bind( wxEVT_COMMAND_TOOL_CLICKED, &SIM_PLOT_FRAME::onProbe, this, m_toolProbe->GetId() );
 Bind( wxEVT_COMMAND_TOOL_CLICKED, &SIM_PLOT_FRAME::onTune, this, m_toolTune->GetId() );
 Bind( wxEVT_COMMAND_TOOL_CLICKED, &SIM_PLOT_FRAME::onSettings, this, m_toolSettings->GetId() );

 Bind( EVT_WORKBOOK_MODIFIED, &SIM_PLOT_FRAME::onWorkbookModified, this );
 Bind( EVT_WORKBOOK_CLR_MODIFIED, &SIM_PLOT_FRAME::onWorkbookClrModified, this );

 // Bind toolbar buttons event to existing menu event handlers, so they behave the same
 Bind( wxEVT_COMMAND_MENU_SELECTED, &SIM_PLOT_FRAME::onSimulate, this,
 m_runSimulation->GetId() );
 Bind( wxEVT_COMMAND_MENU_SELECTED, &SIM_PLOT_FRAME::onAddSignal, this, m_addSignals->GetId() );
 Bind( wxEVT_COMMAND_MENU_SELECTED, &SIM_PLOT_FRAME::onProbe, this, m_probeSignals->GetId() );
 Bind( wxEVT_COMMAND_MENU_SELECTED, &SIM_PLOT_FRAME::onTune, this, m_tuneValue->GetId() );
 Bind( wxEVT_COMMAND_MENU_SELECTED, &SIM_PLOT_FRAME::onShowNetlist, this,
 m_showNetlist->GetId() );
 Bind( wxEVT_COMMAND_MENU_SELECTED, &SIM_PLOT_FRAME::onSettings, this,
 m_boardAdapter->GetId() );

 m_toolBar->Realize();

#ifndef wxHAS_NATIVE_TABART
 // Non-native default tab art has ugly gradients we don't want
 m_workbook->SetArtProvider( new wxAuiSimpleTabArt() );
#endif

 // Ensure new items are taken in account by sizers:
 Layout();

 // resize the subwindows size. At least on Windows, calling wxSafeYield before
 // resizing the subwindows forces the wxSplitWindows size events automatically generated
 // by wxWidgets to be executed before our resize code.
 // Otherwise, the changes made by setSubWindowsSashSize are overwritten by one these
 // events
 wxSafeYield();
 setSubWindowsSashSize();

 // Ensure the window is on top
 Raise();

 initWorkbook();
 updateTitle();
}


SIM_PLOT_FRAME::~SIM_PLOT_FRAME()
{
 m_simulator->SetReporter( nullptr );
 delete m_reporter;
 delete m_signalsIconColorList;

 if( m_settingsDlg )
 m_settingsDlg->Destroy();
}


void SIM_PLOT_FRAME::LoadSettings( APP_SETTINGS_BASE* aCfg )
{
 EESCHEMA_SETTINGS* cfg = dynamic_cast<EESCHEMA_SETTINGS*>( aCfg );
 wxASSERT( cfg );

 if( cfg )
 {
 EDA_BASE_FRAME::LoadSettings( cfg );

 // Read subwindows sizes (should be > 0 )
 m_splitterLeftRightSashPosition = cfg->m_Simulator.plot_panel_width;
 m_splitterPlotAndConsoleSashPosition = cfg->m_Simulator.plot_panel_height;
 m_splitterSignalsSashPosition = cfg->m_Simulator.signal_panel_height;
 m_splitterTuneValuesSashPosition = cfg->m_Simulator.cursors_panel_height;
 m_plotUseWhiteBg = cfg->m_Simulator.white_background;
 }

 PROJECT_FILE& project = Prj().GetProjectFile();

 NGSPICE* currentSim = dynamic_cast<NGSPICE*>( m_simulator.get() );

 if( currentSim )
 m_simulator->Settings() = project.m_SchematicSettings->m_NgspiceSimulatorSettings;
}


void SIM_PLOT_FRAME::SaveSettings( APP_SETTINGS_BASE* aCfg )
{
 EESCHEMA_SETTINGS* cfg = dynamic_cast<EESCHEMA_SETTINGS*>( aCfg );
 wxASSERT( cfg );

 if( cfg )
 {
 EDA_BASE_FRAME::SaveSettings( cfg );

 cfg->m_Simulator.plot_panel_width = m_splitterLeftRight->GetSashPosition();
 cfg->m_Simulator.plot_panel_height = m_splitterPlotAndConsole->GetSashPosition();
 cfg->m_Simulator.signal_panel_height = m_splitterSignals->GetSashPosition();
 cfg->m_Simulator.cursors_panel_height = m_splitterTuneValues->GetSashPosition();
 cfg->m_Simulator.white_background = m_plotUseWhiteBg;
 }

 if( !m_isNonUserClose ) // If we're exiting the project has already been released.
 {
 PROJECT_FILE& project = Prj().GetProjectFile();

 if( project.m_SchematicSettings )
 project.m_SchematicSettings->m_NgspiceSimulatorSettings->SaveToFile();

 if( m_schematicFrame )
 m_schematicFrame->SaveProjectSettings();
 }
}


WINDOW_SETTINGS* SIM_PLOT_FRAME::GetWindowSettings( APP_SETTINGS_BASE* aCfg )
{
 EESCHEMA_SETTINGS* cfg = dynamic_cast<EESCHEMA_SETTINGS*>( aCfg );
 wxASSERT( cfg );

 return cfg ? &cfg->m_Simulator.window : nullptr;
}


void SIM_PLOT_FRAME::initWorkbook()
{
 // Removed for the time being. We cannot run the simulation on simulator launch, as it may
 // take a lot of time, confusing the user.
 // TODO: Change workbook loading routines so that they don't run the simulation until the user
 // initiates it.

 /*if( !m_simulator->Settings()->GetWorkbookFilename().IsEmpty() )
 {
 wxFileName filename = m_simulator->Settings()->GetWorkbookFilename();
 filename.SetPath( Prj().GetProjectPath() );

 if( !loadWorkbook( filename.GetFullPath() ) )
 m_simulator->Settings()->SetWorkbookFilename( "" );
 }*/
}


void SIM_PLOT_FRAME::updateTitle()
{
 wxFileName filename = Prj().AbsolutePath( m_simulator->Settings()->GetWorkbookFilename() );

 bool readOnly = false;
 bool unsaved = false;

 if( filename.IsOk() && filename.FileExists() )
 readOnly = !filename.IsFileWritable();
 else
 unsaved = true;

 wxString title;

 if( m_workbook->IsModified() )
 title = wxT( "*" ) + filename.GetName();
 else
 title = filename.GetName();

 if( readOnly )
 title += wxS( " " ) + _( "[Read Only]" );

 if( unsaved )
 title += wxS( " " ) + _( "[Unsaved]" );

 title += wxT( " \u2014 " ) + _( "Spice Simulator" );

 SetTitle( title );
}


// A small helper struct to handle bitmaps initialization in menus
struct BM_MENU_INIT_ITEM
{
 int m_MenuId;
 BITMAPS m_Bitmap;
};


void SIM_PLOT_FRAME::setIconsForMenuItems()
{
 // Give icons to menuitems of the main menubar
 BM_MENU_INIT_ITEM bm_list[]
 {
 // File menu:
 { wxID_NEW, BITMAPS::simulator },
 { wxID_OPEN, BITMAPS::directory_open },
 { wxID_SAVE, BITMAPS::save },
 { ID_SAVE_AS_IMAGE, BITMAPS::export_file },
 { ID_SAVE_AS_CSV, BITMAPS::export_file },
 { wxID_CLOSE, BITMAPS::exit },

 // simulator menu:
 { ID_MENU_RUN_SIM, BITMAPS::sim_run },
 { ID_MENU_ADD_SIGNAL, BITMAPS::sim_add_signal },
 { ID_MENU_PROBE_SIGNALS, BITMAPS::sim_probe },
 { ID_MENU_TUNE_SIGNALS, BITMAPS::sim_tune },
 { ID_MENU_SHOW_NETLIST, BITMAPS::netlist },
 { ID_MENU_SET_SIMUL, BITMAPS::config },

 // View menu
 { wxID_ZOOM_IN, BITMAPS::zoom_in },
 { wxID_ZOOM_OUT, BITMAPS::zoom_out },
 { wxID_ZOOM_FIT, BITMAPS::zoom_fit_in_page },
 { ID_MENU_SHOW_GRID, BITMAPS::grid },
 { ID_MENU_SHOW_LEGEND, BITMAPS::text },
 { ID_MENU_DOTTED, BITMAPS::add_dashed_line },
 { ID_MENU_WHITE_BG, BITMAPS::swap_layer },

 { 0, BITMAPS::INVALID_BITMAP } // Sentinel
 };

 // wxMenuItems are already created and attached to the m_mainMenu wxMenuBar.
 // A problem is the fact setting bitmaps in wxMenuItems after they are attached
 // to a wxMenu do not work in all cases.
 // So the trick is:
 // Remove the wxMenuItem from its wxMenu
 // Set the bitmap
 // Insert the modified wxMenuItem to its previous place
 for( int ii = 0; bm_list[ii].m_MenuId; ++ii )
 {
 wxMenuItem* item = m_mainMenu->FindItem( bm_list[ii].m_MenuId );

 if( !item || ( bm_list[ii].m_Bitmap == BITMAPS::INVALID_BITMAP ) )
 continue;

 wxMenu* menu = item->GetMenu();

 // Calculate the initial index of item inside the wxMenu parent.
 wxMenuItemList& mlist = menu->GetMenuItems();
 int mpos = mlist.IndexOf( item );

 if( mpos >= 0 ) // Should be always the case
 {
 // Modify the bitmap
 menu->Remove( item );
 AddBitmapToMenuItem( item, KiBitmap( bm_list[ii].m_Bitmap ) );

 // Insert item to its the initial index
 menu->Insert( mpos, item );
 }
 }
}


void SIM_PLOT_FRAME::setSubWindowsSashSize()
{
 if( m_splitterLeftRightSashPosition > 0 )
 m_splitterLeftRight->SetSashPosition( m_splitterLeftRightSashPosition );

 if( m_splitterPlotAndConsoleSashPosition > 0 )
 m_splitterPlotAndConsole->SetSashPosition( m_splitterPlotAndConsoleSashPosition );

 if( m_splitterSignalsSashPosition > 0 )
 m_splitterSignals->SetSashPosition( m_splitterSignalsSashPosition );

 if( m_splitterTuneValuesSashPosition > 0 )
 m_splitterTuneValues->SetSashPosition( m_splitterTuneValuesSashPosition );
}


void SIM_PLOT_FRAME::StartSimulation( const wxString& aSimCommand )
{
 wxCHECK_RET( m_exporter->CommandToSimType( getCurrentSimCommand() ) != ST_UNKNOWN,
 "Unknown simulation type" );

 STRING_FORMATTER formatter;

 if( !m_settingsDlg )
 m_settingsDlg = new DIALOG_SIM_SETTINGS( this, m_simulator->Settings() );

 m_simConsole->Clear();
 updateNetlistExporter();

 if( aSimCommand.IsEmpty() )
 m_exporter->SetSimCommand( getCurrentSimCommand() );
 else
 m_exporter->SetSimCommand( aSimCommand );


 if( !m_exporter->Format( &formatter, m_settingsDlg->GetNetlistOptions() ) )
 {
 DisplayErrorMessage( this, _( "There were errors during netlist export, aborted." ) );
 return;
 }

 m_simulator->LoadNetlist( formatter.GetString() );
 updateTuners();
 applyTuners();
 m_simulator->Run();
}


void SIM_PLOT_FRAME::StopSimulation()
{
 m_simulator->Stop();
}


SIM_PANEL_BASE* SIM_PLOT_FRAME::NewPlotPanel( wxString aSimCommand )
{
 SIM_PANEL_BASE* plotPanel = nullptr;
 SIM_TYPE simType = NETLIST_EXPORTER_PSPICE_SIM::CommandToSimType( aSimCommand );

 if( SIM_PANEL_BASE::IsPlottable( simType ) )
 {
 SIM_PLOT_PANEL* panel;
 panel = new SIM_PLOT_PANEL( aSimCommand, m_workbook, this, wxID_ANY );

 panel->GetPlotWin()->EnableMouseWheelPan(
 Pgm().GetCommonSettings()->m_Input.scroll_modifier_zoom != 0 );

 plotPanel = dynamic_cast<SIM_PANEL_BASE*>( panel );
 }
 else
 {
 SIM_NOPLOT_PANEL* panel;
 panel = new SIM_NOPLOT_PANEL( aSimCommand, m_workbook, wxID_ANY );
 plotPanel = dynamic_cast<SIM_PANEL_BASE*>( panel );
 }

 wxString pageTitle( m_simulator->TypeToName( simType, true ) );
 pageTitle.Prepend( wxString::Format( _( "Plot%u - " ), (unsigned int) ++m_plotNumber ) );

 m_workbook->AddPage( dynamic_cast<wxWindow*>( plotPanel ), pageTitle, true );

 return plotPanel;
}


void SIM_PLOT_FRAME::AddVoltagePlot( const wxString& aNetName )
{
 addPlot( aNetName, SPT_VOLTAGE, "V" );
}


void SIM_PLOT_FRAME::AddCurrentPlot( const wxString& aDeviceName, const wxString& aParam )
{
 addPlot( aDeviceName, SPT_CURRENT, aParam );
}


void SIM_PLOT_FRAME::AddTuner( SCH_SYMBOL* aSymbol )
{
 SIM_PANEL_BASE* plotPanel = getCurrentPlotWindow();

 if( !plotPanel )
 return;

 // For now limit the tuner tool to RLC components
 char primitiveType = NETLIST_EXPORTER_PSPICE::GetSpiceField( SF_PRIMITIVE, aSymbol, 0 )[0];

 if( primitiveType != SP_RESISTOR && primitiveType != SP_CAPACITOR
 && primitiveType != SP_INDUCTOR )
 return;

 const wxString componentName = aSymbol->GetField( REFERENCE_FIELD )->GetText();

 // Do not add multiple instances for the same component
 auto tunerIt = std::find_if( m_tuners.begin(), m_tuners.end(), [&]( const TUNER_SLIDER* t )
 {
 return t->GetComponentName() == componentName;
 }
 );

 if( tunerIt != m_tuners.end() )
 return; // We already have it

 try
 {
 TUNER_SLIDER* tuner = new TUNER_SLIDER( this, m_tunePanel, aSymbol );
 m_tuneSizer->Add( tuner );
 m_tuners.push_back( tuner );
 m_tunePanel->Layout();
 }
 catch( const KI_PARAM_ERROR& e )
 {
 // Sorry, no bonus
 DisplayErrorMessage( nullptr, e.What() );
 }
}

void SIM_PLOT_FRAME::UpdateTunerValue( SCH_SYMBOL* aSymbol, int aId, const wxString& aValue )
{
 for( auto& item : m_schematicFrame->GetScreen()->Items().OfType( SCH_SYMBOL_T ) )
 {
 if( item == aSymbol )
 {
 SCH_FIELD* field = aSymbol->GetFieldById( aId );

 if( !field )
 break;

 field->SetText( aValue );

 m_schematicFrame->UpdateItem( aSymbol, false, true );
 m_schematicFrame->OnModify();
 break;
 }
 }

}


void SIM_PLOT_FRAME::RemoveTuner( TUNER_SLIDER* aTuner, bool aErase )
{
 if( aErase )
 m_tuners.remove( aTuner );

 aTuner->Destroy();
 m_tunePanel->Layout();
}


SIM_PLOT_PANEL* SIM_PLOT_FRAME::GetCurrentPlot() const
{
 SIM_PANEL_BASE* curPage = getCurrentPlotWindow();

 return ( ( !curPage || curPage->GetType() == ST_UNKNOWN ) ?
 nullptr :
 dynamic_cast<SIM_PLOT_PANEL*>( curPage ) );
}


const NETLIST_EXPORTER_PSPICE_SIM* SIM_PLOT_FRAME::GetExporter() const
{
 return m_exporter.get();
}


std::shared_ptr<SPICE_SIMULATOR_SETTINGS>& SIM_PLOT_FRAME::GetSimulatorSettings()
{
 wxASSERT( m_simulator->Settings() );

 return m_simulator->Settings();
}


void SIM_PLOT_FRAME::addPlot( const wxString& aName, SIM_PLOT_TYPE aType, const wxString& aParam )
{
 SIM_TYPE simType = m_exporter->GetSimType();

 if( simType == ST_UNKNOWN )
 {
 m_simConsole->AppendText( _( "Error: simulation type not defined!\n" ) );
 m_simConsole->SetInsertionPointEnd();
 return;
 }
 else if( !SIM_PANEL_BASE::IsPlottable( simType ) )
 {
 m_simConsole->AppendText( _( "Error: simulation type doesn't support plotting!\n" ) );
 m_simConsole->SetInsertionPointEnd();
 return;
 }

 // Create a new plot if the current one displays a different type
 SIM_PLOT_PANEL* plotPanel = GetCurrentPlot();

 if( !plotPanel || plotPanel->GetType() != simType )
 {
 plotPanel =
 dynamic_cast<SIM_PLOT_PANEL*>( NewPlotPanel( m_exporter->GetUsedSimCommand() ) );
 }

 wxASSERT( plotPanel );

 if( !plotPanel ) // Something is wrong
 return;

 bool updated = false;
 SIM_PLOT_TYPE xAxisType = getXAxisType( simType );

 if( xAxisType == SPT_LIN_FREQUENCY || xAxisType == SPT_LOG_FREQUENCY )
 {
 int baseType = aType & ~( SPT_AC_MAG | SPT_AC_PHASE );

 // Add two plots: magnitude & phase
 updated |= updatePlot( aName, ( SIM_PLOT_TYPE )( baseType | SPT_AC_MAG ), aParam,
 plotPanel );
 updated |= updatePlot( aName, ( SIM_PLOT_TYPE )( baseType | SPT_AC_PHASE ), aParam,
 plotPanel );
 }
 else
 {
 updated = updatePlot( aName, aType, aParam, plotPanel );
 }

 if( updated )
 {
 updateSignalList();
 }
}


void SIM_PLOT_FRAME::removePlot( const wxString& aPlotName )
{
 SIM_PLOT_PANEL* plotPanel = GetCurrentPlot();

 if( !plotPanel )
 return;

 wxASSERT( plotPanel->TraceShown( aPlotName ) );
 m_workbook->DeleteTrace( plotPanel, aPlotName );
 plotPanel->GetPlotWin()->Fit();

 updateSignalList();
 wxCommandEvent dummy;
 onCursorUpdate( dummy );
}


void SIM_PLOT_FRAME::updateNetlistExporter()
{
 m_exporter.reset( new NETLIST_EXPORTER_PSPICE_SIM( &m_schematicFrame->Schematic() ) );

 if( m_settingsDlg )
 m_settingsDlg->SetNetlistExporter( m_exporter.get() );
}


bool SIM_PLOT_FRAME::updatePlot( const wxString& aName, SIM_PLOT_TYPE aType, const wxString& aParam,
 SIM_PLOT_PANEL* aPlotPanel )
{
 SIM_TYPE simType = m_exporter->GetSimType();
 wxString spiceVector = m_exporter->ComponentToVector( aName, aType, aParam );

 wxString plotTitle = wxString::Format( "%s(%s)", aParam, aName );
 if( aType & SPT_AC_MAG )
 plotTitle += " (mag)";
 else if( aType & SPT_AC_PHASE )
 plotTitle += " (phase)";

 if( !SIM_PANEL_BASE::IsPlottable( simType ) )
 {
 // There is no plot to be shown
 m_simulator->Command( wxString::Format( "print %s", spiceVector ).ToStdString() );

 return false;
 }

 // First, handle the x axis
 wxString xAxisName( m_simulator->GetXAxis( simType ) );

 if( xAxisName.IsEmpty() )
 return false;

 auto data_x = m_simulator->GetMagPlot( (const char*) xAxisName.c_str() );
 unsigned int size = data_x.size();

 if( data_x.empty() )
 return false;

 std::vector<double> data_y;

 // Now, Y axis data
 switch( m_exporter->GetSimType() )
 {
 case ST_AC:
 wxASSERT_MSG( !( ( aType & SPT_AC_MAG ) && ( aType & SPT_AC_PHASE ) ),
 "Cannot set both AC_PHASE and AC_MAG bits" );

 if( aType & SPT_AC_MAG )
 data_y = m_simulator->GetMagPlot( (const char*) spiceVector.c_str() );
 else if( aType & SPT_AC_PHASE )
 data_y = m_simulator->GetPhasePlot( (const char*) spiceVector.c_str() );
 else
 wxASSERT_MSG( false, "Plot type missing AC_PHASE or AC_MAG bit" );

 break;

 case ST_NOISE:
 case ST_DC:
 case ST_TRANSIENT:
 data_y = m_simulator->GetMagPlot( (const char*) spiceVector.c_str() );
 break;

 default:
 wxASSERT_MSG( false, "Unhandled plot type" );
 return false;
 }

 if( data_y.size() != size )
 return false;

 // If we did a two-source DC analysis, we need to split the resulting vector and add traces
 // for each input step
 SPICE_DC_PARAMS source1, source2;

 if( m_exporter->GetSimType() == ST_DC &&
 m_exporter->ParseDCCommand( m_exporter->GetUsedSimCommand(), &source1, &source2 ) )
 {
 if( !source2.m_source.IsEmpty() )
 {
 // Source 1 is the inner loop, so lets add traces for each Source 2 (outer loop) step
 SPICE_VALUE v = source2.m_vstart;
 wxString name;

 size_t offset = 0;
 size_t outer = ( size_t )( ( source2.m_vend - v ) / source2.m_vincrement ).ToDouble();
 size_t inner = data_x.size() / ( outer + 1 );

 wxASSERT( data_x.size() % ( outer + 1 ) == 0 );

 for( size_t idx = 0; idx <= outer; idx++ )
 {
 name = wxString::Format( "%s (%s = %s V)", plotTitle, source2.m_source,
 v.ToString() );

 std::vector<double> sub_x( data_x.begin() + offset,
 data_x.begin() + offset + inner );
 std::vector<double> sub_y( data_y.begin() + offset,
 data_y.begin() + offset + inner );

 m_workbook->AddTrace( aPlotPanel, name, aName, inner, sub_x.data(), sub_y.data(),
 aType, aParam );

 v = v + source2.m_vincrement;
 offset += inner;
 }

 return true;
 }
 }

 m_workbook->AddTrace( aPlotPanel, plotTitle, aName, size, data_x.data(), data_y.data(), aType,
 aParam );

 return true;
}


void SIM_PLOT_FRAME::updateSignalList()
{
 m_signals->ClearAll();

 SIM_PLOT_PANEL* plotPanel = GetCurrentPlot();

 if( !plotPanel )
 return;

 wxSize size = m_signals->GetClientSize();
 m_signals->AppendColumn( _( "Signal" ), wxLIST_FORMAT_LEFT, size.x );

 // Build an image list, to show the color of the corresponding trace
 // in the plot panel
 // This image list is used for trace and cursor lists
 wxMemoryDC bmDC;
 const int isize = bmDC.GetCharHeight();

 if( m_signalsIconColorList == nullptr )
 m_signalsIconColorList = new wxImageList( isize, isize, false );
 else
 m_signalsIconColorList->RemoveAll();

 for( const auto& trace : GetCurrentPlot()->GetTraces() )
 {
 wxBitmap bitmap( isize, isize );
 bmDC.SelectObject( bitmap );
 wxColour tcolor = trace.second->GetPen().GetColour();

 wxColour bgColor = m_signals->wxWindow::GetBackgroundColour();
 bmDC.SetPen( wxPen( bgColor ) );
 bmDC.SetBrush( wxBrush( bgColor ) );
 bmDC.DrawRectangle( 0, 0, isize, isize ); // because bmDC.Clear() does not work in wxGTK

 bmDC.SetPen( wxPen( tcolor ) );
 bmDC.SetBrush( wxBrush( tcolor ) );
 bmDC.DrawRectangle( 0, isize / 4 + 1, isize, isize / 2 );

 bmDC.SelectObject( wxNullBitmap ); // Needed to initialize bitmap

 bitmap.SetMask( new wxMask( bitmap, *wxBLACK ) );
 m_signalsIconColorList->Add( bitmap );
 }

 if( bmDC.IsOk() )
 {
 bmDC.SetBrush( wxNullBrush );
 bmDC.SetPen( wxNullPen );
 }

 m_signals->SetImageList( m_signalsIconColorList, wxIMAGE_LIST_SMALL );

 // Fill the signals listctrl. Keep the order of names and
 // the order of icon color identical, because the icons
 // are also used in cursor list, and the color index is
 // calculated from the trace name index
 int imgidx = 0;

 for( const auto& trace : plotPanel->GetTraces() )
 {
 m_signals->InsertItem( imgidx, trace.first, imgidx );
 imgidx++;
 }
}


void SIM_PLOT_FRAME::updateTuners()
{
 const auto& spiceItems = m_exporter->GetSpiceItems();

 for( auto it = m_tuners.begin(); it != m_tuners.end(); /* iteration inside the loop */ )
 {
 const wxString& ref = (*it)->GetComponentName();

 if( std::find_if( spiceItems.begin(), spiceItems.end(), [&]( const SPICE_ITEM& item )
 {
 return item.m_refName == ref;
 }) == spiceItems.end() )
 {
 // The component does not exist anymore, remove the associated tuner
 TUNER_SLIDER* tuner = *it;
 it = m_tuners.erase( it );
 RemoveTuner( tuner, false );
 }
 else
 {
 ++it;
 }
 }
}


void SIM_PLOT_FRAME::applyTuners()
{
 for( auto& tuner : m_tuners )
 {
 std::string command( "alter @" + tuner->GetSpiceName()
 + "=" + tuner->GetValue().ToSpiceString() );

 m_simulator->Command( command );
 }
}


bool SIM_PLOT_FRAME::loadWorkbook( const wxString& aPath )
{
 m_workbook->DeleteAllPages();

 wxTextFile file( aPath );

#define DISPLAY_LOAD_ERROR( fmt ) DisplayErrorMessage( this, wxString::Format( _( fmt ), \
 file.GetCurrentLine()+1 ) )

 if( !file.Open() )
 return false;

 long plotsCount;

 if( !file.GetFirstLine().ToLong( &plotsCount ) ) // GetFirstLine instead of GetNextLine
 {
 DISPLAY_LOAD_ERROR( "Error loading workbook: Line %d is not an integer." );
 file.Close();

 return false;
 }

 for( long i = 0; i < plotsCount; ++i )
 {
 long plotType, tracesCount;

 if( !file.GetNextLine().ToLong( &plotType ) )
 {
 DISPLAY_LOAD_ERROR( "Error loading workbook: Line %d is not an integer." );
 file.Close();

 return false;
 }

 wxString simCommand = UnescapeString( file.GetNextLine() );
 NewPlotPanel( simCommand );
 StartSimulation( simCommand );

 // Perform simulation, so plots can be added with values
 do
 {
 wxThread::This()->Sleep( 50 );
 }
 while( m_simulator->IsRunning() );

 if( !file.GetNextLine().ToLong( &tracesCount ) )
 {
 DISPLAY_LOAD_ERROR( "Error loading workbook: Line %d is not an integer." );
 file.Close();

 return false;
 }

 for( long j = 0; j < tracesCount; ++j )
 {
 long traceType;
 wxString name, param;

 if( !file.GetNextLine().ToLong( &traceType ) )
 {
 DISPLAY_LOAD_ERROR( "Error loading workbook: Line %d is not an integer." );
 file.Close();

 return false;
 }

 name = file.GetNextLine();

 if( name.IsEmpty() )
 {
 DISPLAY_LOAD_ERROR( "Error loading workbook: Line %d is empty." );
 file.Close();

 return false;
 }

 param = file.GetNextLine();

 if( param.IsEmpty() )
 {
 DISPLAY_LOAD_ERROR( "Error loading workbook: Line %d is empty." );
 file.Close();

 return false;
 }

 addPlot( name, (SIM_PLOT_TYPE) traceType, param );
 }
 }

 file.Close();

 wxFileName filename( aPath );
 filename.MakeRelativeTo( Prj().GetProjectPath() );

 // Remember the loaded workbook filename.
 m_simulator->Settings()->SetWorkbookFilename( filename.GetFullPath() );

 // Successfully loading a workbook does not count as modifying it.
 m_workbook->ClrModified();
 return true;
}


bool SIM_PLOT_FRAME::saveWorkbook( const wxString& aPath )
{
 wxFileName filename = aPath;
 filename.SetExt( WorkbookFileExtension );

 wxTextFile file( filename.GetFullPath() );

 if( file.Exists() )
 {
 if( !file.Open() )
 return false;

 file.Clear();
 }
 else
 {
 file.Create();
 }

 file.AddLine( wxString::Format( "%llu", m_workbook->GetPageCount() ) );

 for( size_t i = 0; i < m_workbook->GetPageCount(); i++ )
 {
 const SIM_PANEL_BASE* basePanel = dynamic_cast<const SIM_PANEL_BASE*>( m_workbook->GetPage( i ) );

 if( !basePanel )
 {
 file.AddLine( wxString::Format( "%llu", 0ull ) );
 continue;
 }

 file.AddLine( wxString::Format( "%d", basePanel->GetType() ) );
 file.AddLine( EscapeString( m_workbook->GetSimCommand( basePanel ), CTX_LINE ) );

 const SIM_PLOT_PANEL* plotPanel = dynamic_cast<const SIM_PLOT_PANEL*>( basePanel );

 if( !plotPanel )
 {
 file.AddLine( wxString::Format( "%llu", 0ull ) );
 continue;
 }

 file.AddLine( wxString::Format( "%llu", plotPanel->GetTraces().size() ) );

 for( const auto& trace : plotPanel->GetTraces() )
 {
 file.AddLine( wxString::Format( "%d", trace.second->GetType() ) );
 file.AddLine( trace.second->GetName() );
 file.AddLine( trace.second->GetParam() );
 }
 }

 bool res = file.Write();
 file.Close();

 // Store the filename of the last saved workbook.
 if( res )
 {
 filename.MakeRelativeTo( Prj().GetProjectPath() );
 m_simulator->Settings()->SetWorkbookFilename( filename.GetFullPath() );
 }

 m_workbook->ClrModified();
 return res;
}


wxString SIM_PLOT_FRAME::getDefaultFilename()
{
 wxFileName filename = m_simulator->Settings()->GetWorkbookFilename();

 if( filename.GetName().IsEmpty() )
 {
 if( Prj().GetProjectName().IsEmpty() )
 {
 filename.SetName( _( "noname" ) );
 filename.SetExt( WorkbookFileExtension );
 }
 else
 {
 filename.SetName( Prj().GetProjectName() );
 filename.SetExt( WorkbookFileExtension );
 }
 }

 return filename.GetFullName();
}


wxString SIM_PLOT_FRAME::getDefaultPath()
{
 wxFileName path = m_simulator->Settings()->GetWorkbookFilename();

 path.Normalize( wxPATH_NORM_ALL, Prj().GetProjectPath() );
 return path.GetPath();
}


SIM_PLOT_TYPE SIM_PLOT_FRAME::getXAxisType( SIM_TYPE aType ) const
{
 switch( aType )
 {
 case ST_AC: return SPT_LIN_FREQUENCY;
 case ST_DC: return SPT_SWEEP;
 case ST_TRANSIENT: return SPT_TIME;
 default:
 wxASSERT_MSG( false, "Unhandled simulation type" );
 return (SIM_PLOT_TYPE) 0;
 }
}


void SIM_PLOT_FRAME::menuNewPlot( wxCommandEvent& aEvent )
{
 SIM_TYPE type = m_exporter->GetSimType();

 if( SIM_PANEL_BASE::IsPlottable( type ) )
 NewPlotPanel( m_exporter->GetUsedSimCommand() );
}


void SIM_PLOT_FRAME::menuOpenWorkbook( wxCommandEvent& event )
{
 wxFileDialog openDlg( this, _( "Open simulation workbook" ), getDefaultPath(), "",
 WorkbookFileWildcard(), wxFD_OPEN | wxFD_FILE_MUST_EXIST );

 if( openDlg.ShowModal() == wxID_CANCEL )
 return;

 loadWorkbook( openDlg.GetPath() );
}


void SIM_PLOT_FRAME::menuSaveWorkbook( wxCommandEvent& event )
{
 if( !m_workbook->IsModified() )
 return;

 wxString filename = m_simulator->Settings()->GetWorkbookFilename();

 if( filename.IsEmpty() )
 {
 menuSaveWorkbookAs( event );
 return;
 }

 saveWorkbook( Prj().AbsolutePath( m_simulator->Settings()->GetWorkbookFilename() ) );
}


void SIM_PLOT_FRAME::menuSaveWorkbookAs( wxCommandEvent& event )
{
 wxFileDialog saveAsDlg( this, _( "Save Simulation Workbook As" ), getDefaultPath(),
 getDefaultFilename(), WorkbookFileWildcard(),
 wxFD_SAVE | wxFD_OVERWRITE_PROMPT );

 if( saveAsDlg.ShowModal() == wxID_CANCEL )
 return;

 saveWorkbook( Prj().AbsolutePath( saveAsDlg.GetPath() ) );
}


void SIM_PLOT_FRAME::menuSaveImage( wxCommandEvent& event )
{
 if( !GetCurrentPlot() )
 return;

 wxFileDialog saveDlg( this, _( "Save Plot as Image" ), "", "", PngFileWildcard(),
 wxFD_SAVE | wxFD_OVERWRITE_PROMPT );

 if( saveDlg.ShowModal() == wxID_CANCEL )
 return;

 GetCurrentPlot()->GetPlotWin()->SaveScreenshot( saveDlg.GetPath(), wxBITMAP_TYPE_PNG );
}


void SIM_PLOT_FRAME::menuSaveCsv( wxCommandEvent& event )
{
 if( !GetCurrentPlot() )
 return;

 const wxChar SEPARATOR = ';';

 wxFileDialog saveDlg( this, _( "Save Plot Data" ), "", "", CsvFileWildcard(),
 wxFD_SAVE | wxFD_OVERWRITE_PROMPT );

 if( saveDlg.ShowModal() == wxID_CANCEL )
 return;

 wxFFile out( saveDlg.GetPath(), "wb" );
 bool timeWritten = false;

 for( const auto& t : GetCurrentPlot()->GetTraces() )
 {
 const TRACE* trace = t.second;

 if( !timeWritten )
 {
 out.Write( wxString::Format( "Time%c", SEPARATOR ) );

 for( double v : trace->GetDataX() )
 out.Write( wxString::Format( "%g%c", v, SEPARATOR ) );

 out.Write( "\r\n" );
 timeWritten = true;
 }

 out.Write( wxString::Format( "%s%c", t.first, SEPARATOR ) );

 for( double v : trace->GetDataY() )
 out.Write( wxString::Format( "%g%c", v, SEPARATOR ) );

 out.Write( "\r\n" );
 }

 out.Close();
}


void SIM_PLOT_FRAME::menuZoomIn( wxCommandEvent& event )
{
 if( GetCurrentPlot() )
 GetCurrentPlot()->GetPlotWin()->ZoomIn();
}


void SIM_PLOT_FRAME::menuZoomOut( wxCommandEvent& event )
{
 if( GetCurrentPlot() )
 GetCurrentPlot()->GetPlotWin()->ZoomOut();
}


void SIM_PLOT_FRAME::menuZoomFit( wxCommandEvent& event )
{
 if( GetCurrentPlot() )
 GetCurrentPlot()->GetPlotWin()->Fit();
}


void SIM_PLOT_FRAME::menuShowGrid( wxCommandEvent& event )
{
 SIM_PLOT_PANEL* plot = GetCurrentPlot();

 if( plot )
 plot->ShowGrid( !plot->IsGridShown() );
}


void SIM_PLOT_FRAME::menuShowGridUpdate( wxUpdateUIEvent& event )
{
 SIM_PLOT_PANEL* plot = GetCurrentPlot();

 event.Check( plot ? plot->IsGridShown() : false );
}


void SIM_PLOT_FRAME::menuShowLegend( wxCommandEvent& event )
{
 SIM_PLOT_PANEL* plot = GetCurrentPlot();

 if( plot )
 plot->ShowLegend( !plot->IsLegendShown() );
}


void SIM_PLOT_FRAME::menuShowLegendUpdate( wxUpdateUIEvent& event )
{
 SIM_PLOT_PANEL* plot = GetCurrentPlot();
 event.Check( plot ? plot->IsLegendShown() : false );
}


void SIM_PLOT_FRAME::menuShowDotted( wxCommandEvent& event )
{
 SIM_PLOT_PANEL* plot = GetCurrentPlot();

 if( plot )
 plot->SetDottedCurrentPhase( !plot->GetDottedCurrentPhase() );
}


void SIM_PLOT_FRAME::menuShowDottedUpdate( wxUpdateUIEvent& event )
{
 SIM_PLOT_PANEL* plot = GetCurrentPlot();

 event.Check( plot ? plot->GetDottedCurrentPhase() : false );
}


void SIM_PLOT_FRAME::menuWhiteBackground( wxCommandEvent& event )
{
 m_plotUseWhiteBg = not m_plotUseWhiteBg;

 // Rebuild the color list to plot traces
 SIM_PLOT_COLORS::FillDefaultColorList( GetPlotBgOpt() );

 // Now send changes to all SIM_PLOT_PANEL
 for( size_t page = 0; page < m_workbook->GetPageCount(); page++ )
 {
 wxWindow* curPage = m_workbook->GetPage( page );

 // ensure it is truly a plot panel and not the (zero plots) placeholder
 // which is only SIM_PLOT_PANEL_BASE
 SIM_PLOT_PANEL* panel = dynamic_cast<SIM_PLOT_PANEL*>( curPage );

 if( panel )
 panel->UpdatePlotColors();
 }
}


void SIM_PLOT_FRAME::menuSimulateUpdate( wxUpdateUIEvent& event )
{
 event.Enable( m_exporter->CommandToSimType( getCurrentSimCommand() ) != ST_UNKNOWN );
}


void SIM_PLOT_FRAME::menuAddSignalsUpdate( wxUpdateUIEvent& event )
{
 event.Enable( m_simFinished );
}


void SIM_PLOT_FRAME::menuProbeUpdate( wxUpdateUIEvent& event )
{
 event.Enable( m_simFinished );
}


void SIM_PLOT_FRAME::menuTuneUpdate( wxUpdateUIEvent& event )
{
 event.Enable( m_simFinished );
}


void SIM_PLOT_FRAME::onPlotClose( wxAuiNotebookEvent& event )
{
}


void SIM_PLOT_FRAME::onPlotClosed( wxAuiNotebookEvent& event )
{
 if( m_workbook->GetPageCount() == 0 )
 {
 m_signals->ClearAll();
 m_cursors->ClearAll();
 }
 else
 {
 updateSignalList();
 wxCommandEvent dummy;
 onCursorUpdate( dummy );
 }
}


void SIM_PLOT_FRAME::onPlotChanged( wxAuiNotebookEvent& event )
{
 updateSignalList();
 wxCommandEvent dummy;
 onCursorUpdate( dummy );
}


void SIM_PLOT_FRAME::onPlotDragged( wxAuiNotebookEvent& event )
{
}


void SIM_PLOT_FRAME::onSignalDblClick( wxMouseEvent& event )
{
 // Remove signal from the plot panel when double clicked
 long idx = m_signals->GetFocusedItem();

 if( idx != wxNOT_FOUND )
 removePlot( m_signals->GetItemText( idx, 0 ) );
}


void SIM_PLOT_FRAME::onSignalRClick( wxListEvent& event )
{
 int idx = event.GetIndex();

 if( idx != wxNOT_FOUND )
 m_signals->Select( idx );

 idx = m_signals->GetFirstSelected();

 if( idx != wxNOT_FOUND )
 {
 const wxString& netName = m_signals->GetItemText( idx, 0 );
 SIGNAL_CONTEXT_MENU ctxMenu( netName, this );
 m_signals->PopupMenu( &ctxMenu );
 }
}


void SIM_PLOT_FRAME::onWorkbookModified( wxCommandEvent& event )
{
 updateTitle();
}


void SIM_PLOT_FRAME::onWorkbookClrModified( wxCommandEvent& event )
{
 updateTitle();
}


void SIM_PLOT_FRAME::onSimulate( wxCommandEvent& event )
{
 if( m_simulator->IsRunning() )
 StopSimulation();
 else
 StartSimulation();
}


void SIM_PLOT_FRAME::onSettings( wxCommandEvent& event )
{
 SIM_PANEL_BASE* plotPanelWindow = getCurrentPlotWindow();

 if( !m_settingsDlg )
 m_settingsDlg = new DIALOG_SIM_SETTINGS( this, m_simulator->Settings() );

 // Initial processing is required to e.g. display a list of power sources
 updateNetlistExporter();

 if( !m_exporter->ProcessNetlist( NET_ALL_FLAGS ) )
 {
 DisplayErrorMessage( this, _( "There were errors during netlist export, aborted." ) );
 return;
 }

 if( m_workbook->GetPageIndex( plotPanelWindow ) != wxNOT_FOUND )
 m_settingsDlg->SetSimCommand( m_workbook->GetSimCommand( plotPanelWindow ) );

 if( m_settingsDlg->ShowModal() == wxID_OK )
 {
 wxString oldCommand;

 if( m_workbook->GetPageIndex( plotPanelWindow ) != wxNOT_FOUND )
 oldCommand = m_workbook->GetSimCommand( plotPanelWindow );
 else
 oldCommand = wxString();

 wxString newCommand = m_settingsDlg->GetSimCommand();
 SIM_TYPE newSimType = NETLIST_EXPORTER_PSPICE_SIM::CommandToSimType( newCommand );

 // If it is a new simulation type, open a new plot
 // For the DC sim, check if sweep source type has changed (char 4 will contain 'v',
 // 'i', 'r' or 't'.
 if( !plotPanelWindow
 || ( plotPanelWindow && plotPanelWindow->GetType() != newSimType )
 || ( newSimType == ST_DC
 && oldCommand.Lower().GetChar( 4 ) != newCommand.Lower().GetChar( 4 ) ) )
 {
 plotPanelWindow = NewPlotPanel( newCommand );
 }
 else
 {
 // Update simulation command in the current plot
 m_workbook->SetSimCommand( plotPanelWindow, newCommand );
 }

 m_simulator->Init();
 }
}


void SIM_PLOT_FRAME::onAddSignal( wxCommandEvent& event )
{
 wxCHECK_RET( m_simFinished, "No simulation results available" );

 SIM_PLOT_PANEL* plotPanel = GetCurrentPlot();

 if( !plotPanel || !m_exporter || plotPanel->GetType() != m_exporter->GetSimType() )
 {
 DisplayInfoMessage( this, _( "You need to run plot-providing simulation first." ) );
 return;
 }

 DIALOG_SIGNAL_LIST dialog( this, m_exporter.get() );
 dialog.ShowModal();
}


void SIM_PLOT_FRAME::onProbe( wxCommandEvent& event )
{
 wxCHECK_RET( m_simFinished, "No simulation results available" );

 if( m_schematicFrame == nullptr )
 return;

 m_schematicFrame->GetToolManager()->RunAction( EE_ACTIONS::simProbe );
 m_schematicFrame->Raise();
}


void SIM_PLOT_FRAME::onTune( wxCommandEvent& event )
{
 wxCHECK_RET( m_simFinished, "No simulation results available" );

 if( m_schematicFrame == nullptr )
 return;

 m_schematicFrame->GetToolManager()->RunAction( EE_ACTIONS::simTune );
 m_schematicFrame->Raise();
}


void SIM_PLOT_FRAME::onShowNetlist( wxCommandEvent& event )
{
 class NETLIST_VIEW_DIALOG : public DIALOG_SHIM
 {
 public:
 enum
 {
 MARGIN_LINE_NUMBERS
 };

 void onClose( wxCloseEvent& evt )
 {
 wxPostEvent( this, wxCommandEvent( wxEVT_COMMAND_BUTTON_CLICKED, wxID_CANCEL ) );
 }

 NETLIST_VIEW_DIALOG( wxWindow* parent, wxString source) :
 DIALOG_SHIM( parent, wxID_ANY, "SPICE Netlist",
 wxDefaultPosition, wxDefaultSize,
 wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER )
 {
 wxStyledTextCtrl* text = new wxStyledTextCtrl( this, wxID_ANY );
 text->SetMinSize( wxSize( 600, 400 ) );

 text->SetMarginWidth( MARGIN_LINE_NUMBERS, 50 );
 text->StyleSetForeground( wxSTC_STYLE_LINENUMBER, wxColour( 75, 75, 75 ) );
 text->StyleSetBackground( wxSTC_STYLE_LINENUMBER, wxColour( 220, 220, 220 ) );
 text->SetMarginType( MARGIN_LINE_NUMBERS, wxSTC_MARGIN_NUMBER );

 wxFont fixedFont = KIUI::GetMonospacedUIFont();

 for( size_t i = 0; i < wxSTC_STYLE_MAX; ++i )
 text->StyleSetFont( i, fixedFont );

 text->StyleClearAll(); // Addresses a bug in wx3.0 where styles are not correctly set

 text->SetWrapMode( wxSTC_WRAP_WORD );

 text->SetText( source );

 text->SetLexer( wxSTC_LEX_SPICE );

 wxBoxSizer* sizer = new wxBoxSizer( wxVERTICAL );
 sizer->Add( text, 1, wxEXPAND );
 SetSizer( sizer );

 Connect( wxEVT_CLOSE_WINDOW, wxCloseEventHandler( NETLIST_VIEW_DIALOG::onClose ),
 nullptr, this );

 finishDialogSettings();
 }
 };

 if( m_schematicFrame == nullptr || m_simulator == nullptr )
 return;

 NETLIST_VIEW_DIALOG dlg( this, m_simulator->GetNetlist() );
 dlg.ShowModal();
}


bool SIM_PLOT_FRAME::canCloseWindow( wxCloseEvent& aEvent )
{
 if( m_workbook->IsModified() )
 {
 wxFileName filename = m_simulator->Settings()->GetWorkbookFilename();

 if( filename.GetName().IsEmpty() )
 {
 if( Prj().GetProjectName().IsEmpty() )
 filename.SetFullName( wxT( "noname.wbk" ) );
 else
 filename.SetFullName( Prj().GetProjectName() + wxT( ".wbk" ) );
 }

 wxString fullFilename = filename.GetFullName();
 wxString msg = _( "Save changes to '%s' before closing?" );

 return HandleUnsavedChanges( this, wxString::Format( msg, fullFilename ),
 [&]() -> bool
 {
 return saveWorkbook( Prj().AbsolutePath( fullFilename ) );
 } );
 }

 return true;
}


void SIM_PLOT_FRAME::doCloseWindow()
{
 if( m_simulator->IsRunning() )
 m_simulator->Stop();

 // Cancel a running simProbe or simTune tool
 m_schematicFrame->GetToolManager()->RunAction( ACTIONS::cancelInteractive );

 SaveSettings( config() );
 Destroy();
}


void SIM_PLOT_FRAME::onCursorUpdate( wxCommandEvent& event )
{
 wxSize size = m_cursors->GetClientSize();
 SIM_PLOT_PANEL* plotPanel = GetCurrentPlot();
 m_cursors->ClearAll();

 if( !plotPanel )
 return;

 if( m_signalsIconColorList )
 m_cursors->SetImageList(m_signalsIconColorList, wxIMAGE_LIST_SMALL);

 // Fill the signals listctrl
 m_cursors->AppendColumn( _( "Signal" ), wxLIST_FORMAT_LEFT, size.x / 2 );
 const long X_COL = m_cursors->AppendColumn( plotPanel->GetLabelX(), wxLIST_FORMAT_LEFT,
 size.x / 4 );

 wxString labelY1 = plotPanel->GetLabelY1();
 wxString labelY2 = plotPanel->GetLabelY2();
 wxString labelY;

 if( !labelY2.IsEmpty() )
 labelY = labelY1 + " / " + labelY2;
 else
 labelY = labelY1;

 const long Y_COL = m_cursors->AppendColumn( labelY, wxLIST_FORMAT_LEFT, size.x / 4 );

 // Update cursor values
 int itemidx = 0;

 for( const auto& trace : plotPanel->GetTraces() )
 {
 if( CURSOR* cursor = trace.second->GetCursor() )
 {
 // Find the right icon color in list.
 // It is the icon used in m_signals list for the same trace
 long iconColor = m_signals->FindItem( -1, trace.first );

 const wxRealPoint coords = cursor->GetCoords();
 long idx = m_cursors->InsertItem( itemidx++, trace.first, iconColor );
 m_cursors->SetItem( idx, X_COL, SPICE_VALUE( coords.x ).ToSpiceString() );
 m_cursors->SetItem( idx, Y_COL, SPICE_VALUE( coords.y ).ToSpiceString() );
 }
 }
}


void SIM_PLOT_FRAME::onSimStarted( wxCommandEvent& aEvent )
{
 m_toolBar->SetToolNormalBitmap( ID_SIM_RUN, KiBitmap( BITMAPS::sim_stop ) );
 SetCursor( wxCURSOR_ARROWWAIT );
}


void SIM_PLOT_FRAME::onSimFinished( wxCommandEvent& aEvent )
{
 m_toolBar->SetToolNormalBitmap( ID_SIM_RUN, KiBitmap( BITMAPS::sim_run ) );
 SetCursor( wxCURSOR_ARROW );

 SIM_TYPE simType = m_exporter->GetSimType();

 if( simType == ST_UNKNOWN )
 return;

 SIM_PANEL_BASE* plotPanelWindow = getCurrentPlotWindow();

 if( !plotPanelWindow || plotPanelWindow->GetType() != simType )
 plotPanelWindow = NewPlotPanel( m_exporter->GetUsedSimCommand() );

 if( m_simulator->IsRunning() )
 return;

 // If there are any signals plotted, update them
 if( SIM_PANEL_BASE::IsPlottable( simType ) )
 {
 SIM_PLOT_PANEL* plotPanel = dynamic_cast<SIM_PLOT_PANEL*>( plotPanelWindow );
 wxCHECK_RET( plotPanel, "not a SIM_PLOT_PANEL" );

 struct TRACE_DESC
 {
 wxString m_name; 
 SIM_PLOT_TYPE m_type; 
 wxString m_param; 
 };

 std::vector<struct TRACE_DESC> traceInfo;

 // Get information about all the traces on the plot, remove and add again
 for( auto& trace : plotPanel->GetTraces() )
 {
 struct TRACE_DESC placeholder;
 placeholder.m_name = trace.second->GetName();
 placeholder.m_type = trace.second->GetType();
 placeholder.m_param = trace.second->GetParam();

 traceInfo.push_back( placeholder );
 }

 for( auto& trace : traceInfo )
 {
 if( !updatePlot( trace.m_name, trace.m_type, trace.m_param, plotPanel ) )
 removePlot( trace.m_name );
 }

 updateSignalList();
 plotPanel->GetPlotWin()->UpdateAll();
 plotPanel->ResetScales();
 }
 else if( simType == ST_OP )
 {
 m_simConsole->AppendText( _( "\n\nSimulation results:\n\n" ) );
 m_simConsole->SetInsertionPointEnd();

 for( const auto& vec : m_simulator->AllPlots() )
 {
 std::vector<double> val_list = m_simulator->GetRealPlot( vec, 1 );

 if( val_list.size() == 0 ) // The list of values can be empty!
 continue;

 double val = val_list.at( 0 );
 wxString outLine, signal;
 SIM_PLOT_TYPE type = m_exporter->VectorToSignal( vec, signal );

 const size_t tab = 25; //characters
 size_t padding = ( signal.length() < tab ) ? ( tab - signal.length() ) : 1;

 outLine.Printf( wxT( "%s%s" ),
 ( signal + wxT( ":" ) ).Pad( padding, wxUniChar( ' ' ) ),
 SPICE_VALUE( val ).ToSpiceString() );

 outLine.Append( type == SPT_CURRENT ? "A\n" : "V\n" );

 m_simConsole->AppendText( outLine );
 m_simConsole->SetInsertionPointEnd();

 // @todo display calculated values on the schematic
 }
 }

 m_simFinished = true;
}


void SIM_PLOT_FRAME::onSimUpdate( wxCommandEvent& aEvent )
{
 if( m_simulator->IsRunning() )
 StopSimulation();

 if( GetCurrentPlot() != m_lastSimPlot )
 {
 // We need to rerun simulation, as the simulator currently stores
 // results for another plot
 StartSimulation();
 }
 else
 {
 // Incremental update
 m_simConsole->Clear();

 // Do not export netlist, it is already stored in the simulator
 applyTuners();
 m_simulator->Run();
 }
}


void SIM_PLOT_FRAME::onSimReport( wxCommandEvent& aEvent )
{
 m_simConsole->AppendText( aEvent.GetString() + "\n" );
 m_simConsole->SetInsertionPointEnd();
}


SIM_PLOT_FRAME::SIGNAL_CONTEXT_MENU::SIGNAL_CONTEXT_MENU( const wxString& aSignal,
 SIM_PLOT_FRAME* aPlotFrame ) :
 m_signal( aSignal ),
 m_plotFrame( aPlotFrame )
{
 SIM_PLOT_PANEL* plot = m_plotFrame->GetCurrentPlot();

 AddMenuItem( this, HIDE_SIGNAL, _( "Hide Signal" ), _( "Erase the signal from plot screen" ),
 KiBitmap( BITMAPS::trash ) );

 TRACE* trace = plot->GetTrace( m_signal );

 if( trace->HasCursor() )
 AddMenuItem( this, HIDE_CURSOR, _( "Hide Cursor" ), KiBitmap( BITMAPS::pcb_target ) );
 else
 AddMenuItem( this, SHOW_CURSOR, _( "Show Cursor" ), KiBitmap( BITMAPS::pcb_target ) );

 Connect( wxEVT_COMMAND_MENU_SELECTED, wxMenuEventHandler( SIGNAL_CONTEXT_MENU::onMenuEvent ),
 nullptr, this );
}


void SIM_PLOT_FRAME::SIGNAL_CONTEXT_MENU::onMenuEvent( wxMenuEvent& aEvent )
{
 SIM_PLOT_PANEL* plot = m_plotFrame->GetCurrentPlot();

 switch( aEvent.GetId() )
 {
 case HIDE_SIGNAL:
 m_plotFrame->removePlot( m_signal );
 break;

 case SHOW_CURSOR:
 plot->EnableCursor( m_signal, true );
 break;

 case HIDE_CURSOR:
 plot->EnableCursor( m_signal, false );
 break;
 }
}


wxDEFINE_EVENT( EVT_SIM_UPDATE, wxCommandEvent );
wxDEFINE_EVENT( EVT_SIM_REPORT, wxCommandEvent );

wxDEFINE_EVENT( EVT_SIM_STARTED, wxCommandEvent );
wxDEFINE_EVENT( EVT_SIM_FINISHED, wxCommandEvent );