symbol_editor_control.cpp

Go to the documentation of this file.

/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2019 CERN
 * Copyright (C) 2019-2024 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 2
 * 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:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
#include "tools/symbol_editor_control.h"
 
#include <advanced_config.h>
#include <kiway.h>
#include <pgm_base.h>
#include <sch_painter.h>
#include <tool/tool_manager.h>
#include <tool/library_editor_control.h>
#include <tools/ee_actions.h>
#include <lib_symbol_library_manager.h>
#include <symbol_editor/symbol_editor_settings.h>
#include <symbol_viewer_frame.h>
#include <symbol_tree_model_adapter.h>
#include <symbol_lib_table.h>
#include <wildcards_and_files_ext.h>
#include <bitmaps/bitmap_types.h>
#include <confirm.h>
#include <kidialog.h>
#include <launch_ext.h> // To default when file manager setting is empty
#include <gestfich.h> // To open with a text editor
#include <wx/filedlg.h>
#include "string_utils.h"
 
bool SYMBOL_EDITOR_CONTROL::Init()
{
 m_frame = getEditFrame<SCH_BASE_FRAME>();
 m_selectionTool = m_toolMgr->GetTool<EE_SELECTION_TOOL>();
 m_isSymbolEditor = m_frame->IsType( FRAME_SCH_SYMBOL_EDITOR );
 
 if( m_isSymbolEditor )
 {
 LIBRARY_EDITOR_CONTROL* libraryTreeTool = m_toolMgr->GetTool<LIBRARY_EDITOR_CONTROL>();
 CONDITIONAL_MENU& ctxMenu = m_menu->GetMenu();
 SYMBOL_EDIT_FRAME* editFrame = getEditFrame<SYMBOL_EDIT_FRAME>();
 
 wxCHECK( editFrame, false );
 
 auto libSelectedCondition =
 [ editFrame ]( const SELECTION& aSel )
 {
 LIB_ID sel = editFrame->GetTreeLIBID();
 return !sel.GetLibNickname().empty() && sel.GetLibItemName().empty();
 };
 
 // The libInferredCondition allows you to do things like New Symbol and Paste with a
 // symbol selected (in other words, when we know the library context even if the library
 // itself isn't selected.
 auto libInferredCondition =
 [ editFrame ]( const SELECTION& aSel )
 {
 LIB_ID sel = editFrame->GetTreeLIBID();
 return !sel.GetLibNickname().empty();
 };
 
 auto symbolSelectedCondition =
 [ editFrame ]( const SELECTION& aSel )
 {
 LIB_ID sel = editFrame->GetTargetLibId();
 return !sel.GetLibNickname().empty() && !sel.GetLibItemName().empty();
 };
 
/* not used, but used to be used
 auto multiSelectedCondition =
 [ editFrame ]( const SELECTION& aSel )
 {
 return editFrame->GetTreeSelectionCount() > 1;
 };
*/
 auto multiSymbolSelectedCondition =
 [ editFrame ]( const SELECTION& aSel )
 {
 if( editFrame->GetTreeSelectionCount() > 1 )
 {
 for( LIB_ID& sel : editFrame->GetSelectedLibIds() )
 {
 if( !sel.IsValid() )
 return false;
 }
 return true;
 }
 return false;
 };
/* not used, yet
 auto multiLibrarySelectedCondition =
 [ editFrame ]( const SELECTION& aSel )
 {
 if( editFrame->GetTreeSelectionCount() > 1 )
 {
 for( LIB_ID& sel : editFrame->GetSelectedLibIds() )
 {
 if( sel.IsValid() )
 return false;
 }
 return true;
 }
 return false;
 };
*/
 auto canOpenExternally =
 [ editFrame ]( const SELECTION& aSel )
 {
 // The option is shown if the lib has no current edits
 LIB_SYMBOL_LIBRARY_MANAGER& libMgr = editFrame->GetLibManager();
 wxString libName = editFrame->GetTargetLibId().GetLibNickname();
 bool ret = !libMgr.IsLibraryModified( libName );
 return ret;
 };
 
// clang-format off
 ctxMenu.AddItem( EE_ACTIONS::newSymbol, libInferredCondition, 10 );
 ctxMenu.AddItem( EE_ACTIONS::deriveFromExistingSymbol, symbolSelectedCondition, 10 );
 
 ctxMenu.AddSeparator( 10 );
 ctxMenu.AddItem( ACTIONS::save, symbolSelectedCondition || libInferredCondition, 10 );
 ctxMenu.AddItem( EE_ACTIONS::saveLibraryAs, libSelectedCondition, 10 );
 ctxMenu.AddItem( EE_ACTIONS::saveSymbolCopyAs, symbolSelectedCondition, 10 );
 ctxMenu.AddItem( ACTIONS::revert, symbolSelectedCondition || libInferredCondition, 10 );
 
 ctxMenu.AddSeparator( 10 );
 ctxMenu.AddItem( EE_ACTIONS::cutSymbol, symbolSelectedCondition || multiSymbolSelectedCondition, 10 );
 ctxMenu.AddItem( EE_ACTIONS::copySymbol, symbolSelectedCondition || multiSymbolSelectedCondition, 10 );
 ctxMenu.AddItem( EE_ACTIONS::pasteSymbol, libInferredCondition, 10 );
 ctxMenu.AddItem( EE_ACTIONS::duplicateSymbol, symbolSelectedCondition, 10 );
 ctxMenu.AddItem( EE_ACTIONS::renameSymbol, symbolSelectedCondition, 10 );
 ctxMenu.AddItem( EE_ACTIONS::deleteSymbol, symbolSelectedCondition || multiSymbolSelectedCondition, 10 );
 
 ctxMenu.AddSeparator( 100 );
 ctxMenu.AddItem( EE_ACTIONS::importSymbol, libInferredCondition, 100 );
 
 if( ADVANCED_CFG::GetCfg().m_EnableLibWithText )
 {
 ctxMenu.AddSeparator( 200 );
 ctxMenu.AddItem( ACTIONS::openWithTextEditor, canOpenExternally && ( symbolSelectedCondition || libSelectedCondition ), 200 );
 }
 
 if( ADVANCED_CFG::GetCfg().m_EnableLibDir )
 {
 ctxMenu.AddSeparator( 200 );
 ctxMenu.AddItem( ACTIONS::openDirectory, canOpenExternally && ( symbolSelectedCondition || libSelectedCondition ), 200 );
 }
 
 libraryTreeTool->AddContextMenuItems( &ctxMenu );
 }
// clang-format on
 
 return true;
}
 
 
int SYMBOL_EDITOR_CONTROL::AddLibrary( const TOOL_EVENT& aEvent )
{
 bool createNew = aEvent.IsAction( &ACTIONS::newLibrary );
 
 if( m_frame->IsType( FRAME_SCH_SYMBOL_EDITOR ) )
 static_cast<SYMBOL_EDIT_FRAME*>( m_frame )->AddLibraryFile( createNew );
 
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::DdAddLibrary( const TOOL_EVENT& aEvent )
{
 wxString libFile = *aEvent.Parameter<wxString*>();
 
 if( m_frame->IsType( FRAME_SCH_SYMBOL_EDITOR ) )
 static_cast<SYMBOL_EDIT_FRAME*>( m_frame )->DdAddLibrary( libFile );
 
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::EditSymbol( const TOOL_EVENT& aEvent )
{
 if( !m_isSymbolEditor )
 return 0;
 
 SYMBOL_EDIT_FRAME* editFrame = getEditFrame<SYMBOL_EDIT_FRAME>();
 int unit = 0;
 LIB_ID partId = editFrame->GetTreeLIBID( &unit );
 
 editFrame->LoadSymbol( partId.GetLibItemName(), partId.GetLibNickname(), unit );
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::AddSymbol( const TOOL_EVENT& aEvent )
{
 if( !m_isSymbolEditor )
 return 0;
 
 SYMBOL_EDIT_FRAME* editFrame = getEditFrame<SYMBOL_EDIT_FRAME>();
 LIB_ID target = editFrame->GetTargetLibId();
 const wxString& libName = target.GetLibNickname();
 wxString msg;
 
 if( libName.IsEmpty() )
 {
 msg.Printf( _( "No symbol library selected." ) );
 m_frame->ShowInfoBarError( msg );
 return 0;
 }
 
 if( editFrame->GetLibManager().IsLibraryReadOnly( libName ) )
 {
 msg.Printf( _( "Symbol library '%s' is not writable." ), libName );
 m_frame->ShowInfoBarError( msg );
 return 0;
 }
 
 if( aEvent.IsAction( &EE_ACTIONS::newSymbol ) )
 editFrame->CreateNewSymbol();
 else if( aEvent.IsAction( &EE_ACTIONS::deriveFromExistingSymbol ) )
 editFrame->CreateNewSymbol( target.GetLibItemName() );
 else if( aEvent.IsAction( &EE_ACTIONS::importSymbol ) )
 editFrame->ImportSymbol();
 
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::Save( const TOOL_EVENT& aEvt )
{
 if( !m_isSymbolEditor )
 return 0;
 
 SYMBOL_EDIT_FRAME* editFrame = getEditFrame<SYMBOL_EDIT_FRAME>();
 
 if( aEvt.IsAction( &EE_ACTIONS::save ) )
 editFrame->Save();
 else if( aEvt.IsAction( &EE_ACTIONS::saveLibraryAs ) )
 editFrame->SaveLibraryAs();
 else if( aEvt.IsAction( &EE_ACTIONS::saveSymbolCopyAs ) )
 editFrame->SaveSymbolCopyAs();
 else if( aEvt.IsAction( &EE_ACTIONS::saveAll ) )
 editFrame->SaveAll();
 
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::Revert( const TOOL_EVENT& aEvent )
{
 if( m_frame->IsType( FRAME_SCH_SYMBOL_EDITOR ) )
 static_cast<SYMBOL_EDIT_FRAME*>( m_frame )->Revert();
 
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::OpenDirectory( const TOOL_EVENT& aEvent )
{
 if( !m_isSymbolEditor )
 return 0;
 
 SYMBOL_EDIT_FRAME* editFrame = getEditFrame<SYMBOL_EDIT_FRAME>();
 LIB_SYMBOL_LIBRARY_MANAGER& libMgr = editFrame->GetLibManager();
 
 LIB_ID libId = editFrame->GetTreeLIBID();
 
 wxString libName = libId.GetLibNickname();
 wxString libItemName = libMgr.GetLibrary( libName )->GetFullURI( true );
 
 wxFileName fileName( libItemName );
 
 wxString filePath = wxEmptyString;
 
 COMMON_SETTINGS* cfg = Pgm().GetCommonSettings();
 
 wxString explCommand = cfg->m_System.file_explorer;
 
 if( explCommand.IsEmpty() )
 {
 filePath = fileName.GetFullPath().BeforeLast( wxFileName::GetPathSeparator() );
 
 if( !filePath.IsEmpty() && wxDirExists( filePath ) )
 LaunchExternal( filePath );
 return 0;
 }
 
 if( !explCommand.EndsWith( "%F" ) )
 {
 wxMessageBox( _( "Missing/malformed file explorer argument '%F' in common settings." ) );
 return 0;
 }
 
 filePath = fileName.GetFullPath();
 filePath.Replace( wxS( "\"" ), wxS( "_" ) );
 
 wxString fileArg = '"' + filePath + '"';
 
 explCommand.Replace( wxT( "%F" ), fileArg );
 
 if( !explCommand.IsEmpty() )
 wxExecute( explCommand );
 
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::OpenWithTextEditor( const TOOL_EVENT& aEvent )
{
 if( !m_isSymbolEditor )
 return 0;
 
 SYMBOL_EDIT_FRAME* editFrame = getEditFrame<SYMBOL_EDIT_FRAME>();
 LIB_SYMBOL_LIBRARY_MANAGER& libMgr = editFrame->GetLibManager();
 wxString textEditorName = Pgm().GetTextEditor();
 
 if( textEditorName.IsEmpty() )
 {
 wxMessageBox( _( "No text editor selected in KiCad. Please choose one." ) );
 return 0;
 }
 
 LIB_ID libId = editFrame->GetTreeLIBID();
 wxString libName = libId.GetLibNickname();
 wxString tempFName = libMgr.GetLibrary( libName )->GetFullURI( true ).wc_str();
 
 if( !tempFName.IsEmpty() )
 ExecuteFile( textEditorName, tempFName, nullptr, false );
 
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::CutCopyDelete( const TOOL_EVENT& aEvt )
{
 if( !m_isSymbolEditor )
 return 0;
 
 SYMBOL_EDIT_FRAME* editFrame = getEditFrame<SYMBOL_EDIT_FRAME>();
 
 if( aEvt.IsAction( &EE_ACTIONS::cutSymbol ) || aEvt.IsAction( &EE_ACTIONS::copySymbol ) )
 editFrame->CopySymbolToClipboard();
 
 if( aEvt.IsAction( &EE_ACTIONS::cutSymbol ) || aEvt.IsAction( &EE_ACTIONS::deleteSymbol ) )
 {
 bool hasWritableLibs = false;
 wxString msg;
 
 for( LIB_ID& sel : editFrame->GetSelectedLibIds() )
 {
 const wxString& libName = sel.GetLibNickname();
 
 if( editFrame->GetLibManager().IsLibraryReadOnly( libName ) )
 msg.Printf( _( "Symbol library '%s' is not writable." ), libName );
 else
 hasWritableLibs = true;
 }
 
 if( !msg.IsEmpty() )
 m_frame->ShowInfoBarError( msg );
 
 if( !hasWritableLibs )
 return 0;
 
 editFrame->DeleteSymbolFromLibrary();
 }
 
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::DuplicateSymbol( const TOOL_EVENT& aEvent )
{
 if( !m_isSymbolEditor )
 return 0;
 
 SYMBOL_EDIT_FRAME* editFrame = getEditFrame<SYMBOL_EDIT_FRAME>();
 LIB_ID sel = editFrame->GetTargetLibId();
 // DuplicateSymbol() is called to duplicate a symbol, or to paste a previously
 // saved symbol in clipboard
 bool isPasteAction = aEvent.IsAction( &EE_ACTIONS::pasteSymbol );
 wxString msg;
 
 if( !sel.IsValid() && !isPasteAction )
 {
 // When duplicating a symbol, a source symbol must exists.
 msg.Printf( _( "No symbol selected" ) );
 m_frame->ShowInfoBarError( msg );
 return 0;
 }
 
 const wxString& libName = sel.GetLibNickname();
 
 if( editFrame->GetLibManager().IsLibraryReadOnly( libName ) )
 {
 msg.Printf( _( "Symbol library '%s' is not writable." ), libName );
 m_frame->ShowInfoBarError( msg );
 return 0;
 }
 
 editFrame->DuplicateSymbol( isPasteAction );
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::RenameSymbol( const TOOL_EVENT& aEvent )
{
 if( !m_isSymbolEditor )
 return 0;
 
 SYMBOL_EDIT_FRAME* editFrame = getEditFrame<SYMBOL_EDIT_FRAME>();
 LIB_SYMBOL_LIBRARY_MANAGER& libMgr = editFrame->GetLibManager();
 LIBRARY_EDITOR_CONTROL* libTool = m_toolMgr->GetTool<LIBRARY_EDITOR_CONTROL>();
 
 LIB_ID libId = editFrame->GetTreeLIBID();
 wxString libName = libId.GetLibNickname();
 wxString oldName = libId.GetLibItemName();
 wxString newName;
 wxString msg;
 
 if( !libMgr.LibraryExists( libName ) )
 return 0;
 
 if( !libTool->RenameLibrary( _( "Change Symbol Name" ), oldName,
 [&]( const wxString& aNewName )
 {
 newName = EscapeString( aNewName, CTX_LIBID );
 
 if( newName.IsEmpty() )
 {
 wxMessageBox( _( "Symbol must have a name." ) );
 return false;
 }
 
 if( libMgr.SymbolExists( newName, libName ) )
 {
 msg = wxString::Format( _( "Symbol '%s' already exists in library '%s'." ),
 newName, libName );
 
 KIDIALOG errorDlg( m_frame, msg, _( "Confirmation" ),
 wxOK | wxCANCEL | wxICON_WARNING );
 errorDlg.SetOKLabel( _( "Overwrite" ) );
 
 return errorDlg.ShowModal() == wxID_OK;
 }
 
 return true;
 } ) )
 {
 return 0; // cancelled by user
 }
 
 LIB_SYMBOL* libSymbol = libMgr.GetBufferedSymbol( oldName, libName );
 bool isCurrentSymbol = editFrame->IsCurrentSymbol( libId );
 
 if( !libSymbol )
 return 0;
 
 libSymbol->SetName( newName );
 
 if( libSymbol->GetFieldById( VALUE_FIELD )->GetText() == oldName )
 libSymbol->GetFieldById( VALUE_FIELD )->SetText( newName );
 
 libMgr.UpdateSymbolAfterRename( libSymbol, newName, libName );
 libMgr.SetSymbolModified( newName, libName );
 
 if( isCurrentSymbol && editFrame->GetCurSymbol())
 {
 libSymbol = editFrame->GetCurSymbol();
 
 libSymbol->SetName( newName );
 
 if( libSymbol->GetFieldById( VALUE_FIELD )->GetText() == oldName )
 libSymbol->GetFieldById( VALUE_FIELD )->SetText( newName );
 
 editFrame->RebuildView();
 editFrame->OnModify();
 editFrame->UpdateTitle();
 
 // N.B. The view needs to be rebuilt first as the Symbol Properties change may
 // invalidate the view pointers by rebuilting the field table
 editFrame->UpdateMsgPanel();
 }
 
 wxDataViewItem treeItem = libMgr.GetAdapter()->FindItem( libId );
 editFrame->UpdateLibraryTree( treeItem, libSymbol );
 editFrame->FocusOnLibId( LIB_ID( libName, newName ) );
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::OnDeMorgan( const TOOL_EVENT& aEvent )
{
 int bodyStyle = aEvent.IsAction( &EE_ACTIONS::showDeMorganStandard ) ? BODY_STYLE::BASE
 : BODY_STYLE::DEMORGAN;
 
 if( m_frame->IsType( FRAME_SCH_SYMBOL_EDITOR ) )
 {
 m_toolMgr->RunAction( ACTIONS::cancelInteractive );
 m_toolMgr->RunAction( EE_ACTIONS::clearSelection );
 
 SYMBOL_EDIT_FRAME* symbolEditor = static_cast<SYMBOL_EDIT_FRAME*>( m_frame );
 symbolEditor->SetBodyStyle( bodyStyle );
 
 m_toolMgr->ResetTools( TOOL_BASE::MODEL_RELOAD );
 symbolEditor->RebuildView();
 }
 else if( m_frame->IsType( FRAME_SCH_VIEWER ) )
 {
 SYMBOL_VIEWER_FRAME* symbolViewer = static_cast<SYMBOL_VIEWER_FRAME*>( m_frame );
 symbolViewer->SetUnitAndBodyStyle( symbolViewer->GetUnit(), bodyStyle );
 }
 
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::ToggleProperties( const TOOL_EVENT& aEvent )
{
 if( m_frame->IsType( FRAME_SCH_SYMBOL_EDITOR ) )
 getEditFrame<SYMBOL_EDIT_FRAME>()->ToggleProperties();
 
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::ShowElectricalTypes( const TOOL_EVENT& aEvent )
{
 SCH_RENDER_SETTINGS* renderSettings = m_frame->GetRenderSettings();
 renderSettings->m_ShowPinsElectricalType = !renderSettings->m_ShowPinsElectricalType;
 
 // Update canvas
 m_frame->GetCanvas()->GetView()->UpdateAllItems( KIGFX::REPAINT );
 m_frame->GetCanvas()->Refresh();
 
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::ShowPinNumbers( const TOOL_EVENT& aEvent )
{
 SCH_RENDER_SETTINGS* renderSettings = m_frame->GetRenderSettings();
 renderSettings->m_ShowPinNumbers = !renderSettings->m_ShowPinNumbers;
 
 // Update canvas
 m_frame->GetCanvas()->GetView()->UpdateAllItems( KIGFX::REPAINT );
 m_frame->GetCanvas()->Refresh();
 
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::ToggleSyncedPinsMode( const TOOL_EVENT& aEvent )
{
 if( !m_isSymbolEditor )
 return 0;
 
 SYMBOL_EDIT_FRAME* editFrame = getEditFrame<SYMBOL_EDIT_FRAME>();
 editFrame->m_SyncPinEdit = !editFrame->m_SyncPinEdit;
 
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::ToggleHiddenPins( const TOOL_EVENT& aEvent )
{
 if( !m_isSymbolEditor )
 return 0;
 
 SYMBOL_EDITOR_SETTINGS* cfg = m_frame->libeditconfig();
 cfg->m_ShowHiddenPins = !cfg->m_ShowHiddenPins;
 
 getEditFrame<SYMBOL_EDIT_FRAME>()->GetRenderSettings()->m_ShowHiddenPins =
 cfg->m_ShowHiddenPins;
 
 getView()->UpdateAllItems( KIGFX::REPAINT );
 m_frame->GetCanvas()->Refresh();
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::ToggleHiddenFields( const TOOL_EVENT& aEvent )
{
 if( !m_isSymbolEditor )
 return 0;
 
 SYMBOL_EDITOR_SETTINGS* cfg = m_frame->libeditconfig();
 cfg->m_ShowHiddenFields = !cfg->m_ShowHiddenFields;
 
 // TODO: Why is this needed in symbol edit and not in schematic edit?
 getEditFrame<SYMBOL_EDIT_FRAME>()->GetRenderSettings()->m_ShowHiddenFields =
 cfg->m_ShowHiddenFields;
 
 getView()->UpdateAllItems( KIGFX::REPAINT );
 m_frame->GetCanvas()->Refresh();
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::TogglePinAltIcons( const TOOL_EVENT& aEvent )
{
 if( !m_isSymbolEditor )
 return 0;
 
 SYMBOL_EDITOR_SETTINGS& cfg = *m_frame->libeditconfig();
 cfg.m_ShowPinAltIcons = !cfg.m_ShowPinAltIcons;
 
 m_frame->GetRenderSettings()->m_ShowPinAltIcons = cfg.m_ShowPinAltIcons;
 
 getView()->UpdateAllItems( KIGFX::REPAINT );
 m_frame->GetCanvas()->Refresh();
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::ExportView( const TOOL_EVENT& aEvent )
{
 if( !m_isSymbolEditor )
 return 0;
 
 SYMBOL_EDIT_FRAME* editFrame = getEditFrame<SYMBOL_EDIT_FRAME>();
 LIB_SYMBOL* symbol = editFrame->GetCurSymbol();
 
 if( !symbol )
 {
 wxMessageBox( _( "No symbol to export" ) );
 return 0;
 }
 
 wxFileName fn( symbol->GetName() );
 fn.SetExt( "png" );
 
 wxString projectPath = wxPathOnly( m_frame->Prj().GetProjectFullName() );
 
 wxFileDialog dlg( editFrame, _( "Export View as PNG" ), projectPath, fn.GetFullName(),
 FILEEXT::PngFileWildcard(), wxFD_SAVE | wxFD_OVERWRITE_PROMPT );
 
 if( dlg.ShowModal() == wxID_OK && !dlg.GetPath().IsEmpty() )
 {
 // calling wxYield is mandatory under Linux, after closing the file selector dialog
 // to refresh the screen before creating the PNG or JPEG image from screen
 wxYield();
 
 if( !editFrame->SaveCanvasImageToFile( dlg.GetPath(), BITMAP_TYPE::PNG ) )
 {
 wxMessageBox( wxString::Format( _( "Can't save file '%s'." ), dlg.GetPath() ) );
 }
 }
 
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::ExportSymbolAsSVG( const TOOL_EVENT& aEvent )
{
 if( !m_isSymbolEditor )
 return 0;
 
 SYMBOL_EDIT_FRAME* editFrame = getEditFrame<SYMBOL_EDIT_FRAME>();
 LIB_SYMBOL* symbol = editFrame->GetCurSymbol();
 
 if( !symbol )
 {
 wxMessageBox( _( "No symbol to export" ) );
 return 0;
 }
 
 wxFileName fn( symbol->GetName() );
 fn.SetExt( FILEEXT::SVGFileExtension );
 
 wxString pro_dir = wxPathOnly( m_frame->Prj().GetProjectFullName() );
 
 wxString fullFileName = wxFileSelector( _( "SVG File Name" ), pro_dir, fn.GetFullName(),
 FILEEXT::SVGFileExtension, FILEEXT::SVGFileWildcard(),
 wxFD_SAVE,
 m_frame );
 
 if( !fullFileName.IsEmpty() )
 {
 PAGE_INFO pageSave = editFrame->GetScreen()->GetPageSettings();
 PAGE_INFO pageTemp = pageSave;
 
 BOX2I symbolBBox = symbol->GetUnitBoundingBox( editFrame->GetUnit(),
 editFrame->GetBodyStyle(), false );
 
 // Add a small margin (10% of size)to the plot bounding box
 symbolBBox.Inflate( symbolBBox.GetSize().x * 0.1, symbolBBox.GetSize().y * 0.1 );
 
 pageTemp.SetWidthMils( schIUScale.IUToMils( symbolBBox.GetSize().x ) );
 pageTemp.SetHeightMils( schIUScale.IUToMils( symbolBBox.GetSize().y ) );
 
 // Add an offet to plot the symbol centered on the page.
 VECTOR2I plot_offset = symbolBBox.GetOrigin();
 
 editFrame->GetScreen()->SetPageSettings( pageTemp );
 editFrame->SVGPlotSymbol( fullFileName, -plot_offset );
 editFrame->GetScreen()->SetPageSettings( pageSave );
 }
 
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::AddSymbolToSchematic( const TOOL_EVENT& aEvent )
{
 LIB_SYMBOL* libSymbol = nullptr;
 LIB_ID libId;
 int unit, bodyStyle;
 
 if( m_isSymbolEditor )
 {
 SYMBOL_EDIT_FRAME* editFrame = getEditFrame<SYMBOL_EDIT_FRAME>();
 
 libSymbol = editFrame->GetCurSymbol();
 unit = editFrame->GetUnit();
 bodyStyle = editFrame->GetBodyStyle();
 
 if( libSymbol )
 libId = libSymbol->GetLibId();
 }
 else
 {
 SYMBOL_VIEWER_FRAME* viewerFrame = getEditFrame<SYMBOL_VIEWER_FRAME>();
 
 libSymbol = viewerFrame->GetSelectedSymbol();
 unit = viewerFrame->GetUnit();
 bodyStyle = viewerFrame->GetBodyStyle();
 
 if( libSymbol )
 libId = libSymbol->GetLibId();
 }
 
 if( libSymbol )
 {
 SCH_EDIT_FRAME* schframe = (SCH_EDIT_FRAME*) m_frame->Kiway().Player( FRAME_SCH, false );
 
 if( !schframe ) // happens when the schematic editor is not active (or closed)
 {
 DisplayErrorMessage( m_frame, _( "No schematic currently open." ) );
 return 0;
 }
 
 wxWindow* blocking_dialog = schframe->Kiway().GetBlockingDialog();
 
 if( blocking_dialog )
 {
 blocking_dialog->Raise();
 wxBell();
 return 0;
 }
 
 wxCHECK( libSymbol->GetLibId().IsValid(), 0 );
 
 SCH_SYMBOL* symbol = new SCH_SYMBOL( *libSymbol, libId, &schframe->GetCurrentSheet(),
 unit, bodyStyle );
 
 symbol->SetParent( schframe->GetScreen() );
 
 if( schframe->eeconfig()->m_AutoplaceFields.enable )
 symbol->AutoplaceFields( /* aScreen */ nullptr, /* aManual */ false );
 
 schframe->Raise();
 schframe->GetToolManager()->PostAction( EE_ACTIONS::placeSymbol, symbol );
 }
 
 return 0;
}
 
 
int SYMBOL_EDITOR_CONTROL::ChangeUnit( const TOOL_EVENT& aEvent )
{
 if( !m_isSymbolEditor )
 return 0;
 
 SYMBOL_EDIT_FRAME* editFrame = getEditFrame<SYMBOL_EDIT_FRAME>();
 const int deltaUnit = aEvent.Parameter<int>();
 
 const int nUnits = editFrame->GetCurSymbol()->GetUnitCount();
 const int newUnit = ( ( editFrame->GetUnit() - 1 + deltaUnit + nUnits ) % nUnits ) + 1;
 
 editFrame->SetUnit( newUnit );
 
 return 0;
}
 
 
void SYMBOL_EDITOR_CONTROL::setTransitions()
{
 // clang-format off
 Go( &SYMBOL_EDITOR_CONTROL::AddLibrary, ACTIONS::newLibrary.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::AddLibrary, ACTIONS::addLibrary.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::AddSymbol, EE_ACTIONS::newSymbol.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::AddSymbol, EE_ACTIONS::deriveFromExistingSymbol.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::AddSymbol, EE_ACTIONS::importSymbol.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::EditSymbol, EE_ACTIONS::editSymbol.MakeEvent() );
 
 Go( &SYMBOL_EDITOR_CONTROL::DdAddLibrary, ACTIONS::ddAddLibrary.MakeEvent() );
 
 Go( &SYMBOL_EDITOR_CONTROL::Save, ACTIONS::save.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::Save, EE_ACTIONS::saveLibraryAs.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::Save, EE_ACTIONS::saveSymbolCopyAs.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::Save, ACTIONS::saveAll.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::Revert, ACTIONS::revert.MakeEvent() );
 
 Go( &SYMBOL_EDITOR_CONTROL::DuplicateSymbol, EE_ACTIONS::duplicateSymbol.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::RenameSymbol, EE_ACTIONS::renameSymbol.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::CutCopyDelete, EE_ACTIONS::deleteSymbol.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::CutCopyDelete, EE_ACTIONS::cutSymbol.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::CutCopyDelete, EE_ACTIONS::copySymbol.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::DuplicateSymbol, EE_ACTIONS::pasteSymbol.MakeEvent() );
 
 Go( &SYMBOL_EDITOR_CONTROL::OpenWithTextEditor, ACTIONS::openWithTextEditor.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::OpenDirectory, ACTIONS::openDirectory.MakeEvent() );
 
 Go( &SYMBOL_EDITOR_CONTROL::ExportView, EE_ACTIONS::exportSymbolView.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::ExportSymbolAsSVG, EE_ACTIONS::exportSymbolAsSVG.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::AddSymbolToSchematic, EE_ACTIONS::addSymbolToSchematic.MakeEvent() );
 
 Go( &SYMBOL_EDITOR_CONTROL::OnDeMorgan, EE_ACTIONS::showDeMorganStandard.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::OnDeMorgan, EE_ACTIONS::showDeMorganAlternate.MakeEvent() );
 
 Go( &SYMBOL_EDITOR_CONTROL::ShowElectricalTypes, EE_ACTIONS::showElectricalTypes.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::ShowPinNumbers, EE_ACTIONS::showPinNumbers.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::ToggleSyncedPinsMode, EE_ACTIONS::toggleSyncedPinsMode.MakeEvent() );
 
 Go( &SYMBOL_EDITOR_CONTROL::ToggleProperties, ACTIONS::showProperties.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::ToggleHiddenPins, EE_ACTIONS::showHiddenPins.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::ToggleHiddenFields, EE_ACTIONS::showHiddenFields.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::TogglePinAltIcons, EE_ACTIONS::togglePinAltIcons.MakeEvent() );
 
 Go( &SYMBOL_EDITOR_CONTROL::ChangeUnit, EE_ACTIONS::previousUnit.MakeEvent() );
 Go( &SYMBOL_EDITOR_CONTROL::ChangeUnit, EE_ACTIONS::nextUnit.MakeEvent() );
 // clang-format on
}