sch_screen.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2009 Jean-Pierre Charras, [email protected]
 * Copyright (C) 1992-2021 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
 */

#ifndef SCREEN_H
#define SCREEN_H

#include <memory>
#include <stddef.h>
#include <unordered_set>
#include <vector>
#include <wx/arrstr.h>
#include <wx/chartype.h>
#include <wx/gdicmn.h>
#include <wx/string.h>

#include <base_screen.h>
#include <core/typeinfo.h>
#include <kiid.h>
#include <kiway_holder.h>
#include <layer_ids.h>
#include <marker_base.h>
#include <page_info.h>
#include <template_fieldnames.h>
#include <title_block.h>

#include <lib_id.h>
#include <sch_symbol.h> // SYMBOL_INSTANCE_REFERENCE
#include <sch_reference_list.h>
#include <sch_rtree.h>
#include <sch_sheet.h>
#include <sch_sheet_path.h>

class BUS_ALIAS;
class EDA_ITEM;
class LIB_SYMBOL;
class LIB_PIN;
class SCH_SYMBOL;
class SCH_LINE;
class SCH_TEXT;
class PLOTTER;
class REPORTER;
class SCH_EDIT_FRAME;
class SCH_SHEET;
class SCH_SHEET_LIST;
class SCH_SEXPR_PARSER;
class SCH_SEXPR_PLUGIN;

enum SCH_LINE_TEST_T
{
 ENTIRE_LENGTH_T,
 END_POINTS_ONLY_T,
 EXCLUDE_END_POINTS_T
};


#define NB_MAX_SHEET 500

struct PICKED_SYMBOL
{
 LIB_ID LibId;
 int Unit;
 int Convert;

 std::vector<std::pair<int, wxString>> Fields;

 PICKED_SYMBOL() : Unit( 1 ), Convert( 1 )
 {
 }
};

class SCH_SCREEN : public BASE_SCREEN
{
public:
 SCH_SCREEN( EDA_ITEM* aParent = nullptr );

 ~SCH_SCREEN();

 SCHEMATIC* Schematic() const;

 EE_RTREE& Items() { return m_rtree; }
 const EE_RTREE& Items() const { return m_rtree; }

 bool IsEmpty() const
 {
 return m_rtree.empty();
 }

 bool HasItems( KICAD_T aItemType ) const;

 bool HasSheets() const { return HasItems( SCH_SHEET_T ); }

 static bool ClassOf( const EDA_ITEM* aItem );

 virtual wxString GetClass() const override
 {
 return wxT( "SCH_SCREEN" );
 }

 void SetFileFormatVersionAtLoad( int aVersion ) { m_fileFormatVersionAtLoad = aVersion; }
 int GetFileFormatVersionAtLoad() const { return m_fileFormatVersionAtLoad; }

 const PAGE_INFO& GetPageSettings() const { return m_paper; }
 void SetPageSettings( const PAGE_INFO& aPageSettings ) { m_paper = aPageSettings; }

 void SetFileName( const wxString& aFileName );

 const wxString& GetFileName() const { return m_fileName; }

 void SetFileReadOnly( bool aIsReadOnly ) { m_isReadOnly = aIsReadOnly; }
 bool IsReadOnly() const { return m_isReadOnly; }

 void SetFileExists( bool aFileExists ) { m_fileExists = aFileExists; }
 bool FileExists() const { return m_fileExists; }

 const wxPoint& GetAuxOrigin() const { return m_aux_origin; }
 void SetAuxOrigin( const wxPoint& aPosition ) { m_aux_origin = aPosition; }

 const TITLE_BLOCK& GetTitleBlock() const { return m_titles; }

 void SetTitleBlock( const TITLE_BLOCK& aTitleBlock ) { m_titles = aTitleBlock; }

 void DecRefCount();
 void IncRefCount();
 int GetRefCount() const { return m_refCount; }

 void SetConnectivityDirty();

 std::vector<SCH_SHEET_PATH>& GetClientSheetPaths()
 {
 return m_clientSheetPathList;
 }

 void Append( SCH_ITEM* aItem );

 void Append( SCH_SCREEN* aScreen );

 void Clear( bool aFree = true );

 void FreeDrawList();

 SCH_ITEM* GetItem( const wxPoint& aPosition, int aAccuracy = 0,
 KICAD_T aType = SCH_LOCATE_ANY_T ) const;

 void UpdateSymbolLinks( REPORTER* aReporter = nullptr );

 void UpdateLocalLibSymbolLinks();

 void Print( const RENDER_SETTINGS* aSettings );

 void Plot( PLOTTER* aPlotter ) const;

 bool Remove( SCH_ITEM* aItem );

 void Update( SCH_ITEM* aItem );

 void DeleteItem( SCH_ITEM* aItem );

 bool CheckIfOnDrawList( const SCH_ITEM* aItem ) const;

 void TestDanglingEnds( const SCH_SHEET_PATH* aPath = nullptr,
 std::function<void( SCH_ITEM* )>* aChangedHandler = nullptr ) const;

 std::set<SCH_ITEM*> MarkConnections( SCH_LINE* aSegment );

 void ClearDrawingState();

 size_t CountConnectedItems( const wxPoint& aPos, bool aTestJunctions ) const;

 bool IsJunction( const wxPoint& aPosition ) const;

 bool IsExplicitJunction( const wxPoint& aPosition ) const;

 bool IsExplicitJunctionNeeded( const wxPoint& aPosition ) const;

 bool IsExplicitJunctionAllowed( const wxPoint& aPosition ) const;

 bool IsTerminalPoint( const wxPoint& aPosition, int aLayer ) const;

 LIB_PIN* GetPin( const wxPoint& aPosition, SCH_SYMBOL** aSymbol = nullptr,
 bool aEndPointOnly = false ) const;

 SCH_SHEET_PIN* GetSheetPin( const wxPoint& aPosition ) const;

 void ClearAnnotation( SCH_SHEET_PATH* aSheetPath );

 void EnsureAlternateReferencesExist();

 void GetHierarchicalItems( std::vector<SCH_ITEM*>* aItems ) const;

 void GetSheets( std::vector<SCH_ITEM*>* aItems ) const;

 SCH_LINE* GetLine( const wxPoint& aPosition, int aAccuracy = 0, int aLayer = LAYER_NOTES,
 SCH_LINE_TEST_T aSearchType = ENTIRE_LENGTH_T ) const;

 SCH_LINE* GetWire( const wxPoint& aPosition, int aAccuracy = 0,
 SCH_LINE_TEST_T aSearchType = ENTIRE_LENGTH_T ) const
 {
 return GetLine( aPosition, aAccuracy, LAYER_WIRE, aSearchType );
 }

 SCH_LINE* GetBus( const wxPoint& aPosition, int aAccuracy = 0,
 SCH_LINE_TEST_T aSearchType = ENTIRE_LENGTH_T ) const
 {
 return GetLine( aPosition, aAccuracy, LAYER_BUS, aSearchType );
 }

 SCH_TEXT* GetLabel( const wxPoint& aPosition, int aAccuracy = 0 ) const;

 std::map<wxString, LIB_SYMBOL*>& GetLibSymbols() { return m_libSymbols; }
 const std::map<wxString, LIB_SYMBOL*>& GetLibSymbols() const { return m_libSymbols; }

 void AddLibSymbol( LIB_SYMBOL* aLibSymbol );

 void AddBusAlias( std::shared_ptr<BUS_ALIAS> aAlias );

 void ClearBusAliases()
 {
 m_aliases.clear();
 }

 std::unordered_set< std::shared_ptr<BUS_ALIAS> > GetBusAliases() const
 {
 return m_aliases;
 }

 const std::vector<SYMBOL_INSTANCE_REFERENCE>& GetSymbolInstances() const
 {
 return m_symbolInstances;
 }

 const std::vector<SCH_SHEET_INSTANCE>& GetSheetInstances() const
 {
 return m_sheetInstances;
 }

 const KIID& GetUuid() const { return m_uuid; }

 void AssignNewUuid() { m_uuid = KIID(); }

#if defined(DEBUG)
 void Show( int nestLevel, std::ostream& os ) const override;
#endif

 double m_LastZoomLevel;

private:
 bool doIsJunction( const wxPoint& aPosition, bool aBreakCrossings,
 bool* aHasExplicitJunctionDot, bool* aHasBusEntry ) const;

private:
 friend SCH_EDIT_FRAME; // Only to populate m_symbolInstances.
 friend SCH_SEXPR_PARSER; // Only to load instance information from schematic file.
 friend SCH_SEXPR_PLUGIN; // Only to save the loaded instance information to schematic file.

 void clearLibSymbols();

 wxString m_fileName; // File used to load the screen.
 int m_fileFormatVersionAtLoad;
 int m_refCount; // Number of sheets referencing this screen.
 // Delete when it goes to zero.
 std::vector<SCH_SHEET_PATH> m_clientSheetPathList;


 PAGE_INFO m_paper; // The size of the paper to print or plot on.
 TITLE_BLOCK m_titles;
 wxPoint m_aux_origin; // Origin used for drill & place files by Pcbnew.
 EE_RTREE m_rtree;

 int m_modification_sync; // Inequality with SYMBOL_LIBS::GetModificationHash()
 // will trigger ResolveAll().

 bool m_zoomInitialized; // Set to true once the zoom value is initialized with
 // `InitZoom()`.

 bool m_isReadOnly; 

 bool m_fileExists;

 std::unordered_set< std::shared_ptr< BUS_ALIAS > > m_aliases;

 std::map<wxString, LIB_SYMBOL*> m_libSymbols;

 std::vector<SYMBOL_INSTANCE_REFERENCE> m_symbolInstances;
 std::vector<SCH_SHEET_INSTANCE> m_sheetInstances;

 KIID m_uuid;
};


class SCH_SCREENS
{
public:
 SCH_SCREENS( SCH_SHEET* aSheet );
 SCH_SCREENS( SCH_SHEET& aSheet ) : SCH_SCREENS( &aSheet ) {}
 ~SCH_SCREENS();
 size_t GetCount() const { return m_screens.size(); }
 SCH_SCREEN* GetFirst();
 SCH_SCREEN* GetNext();
 SCH_SCREEN* GetScreen( unsigned int aIndex ) const;
 SCH_SHEET* GetSheet( unsigned int aIndex ) const;

 void ClearAnnotationOfNewSheetPaths( SCH_SHEET_LIST& aInitialSheetPathList );

 int ReplaceDuplicateTimeStamps();

 void DeleteAllMarkers( enum MARKER_BASE::TYPEMARKER aMarkerType, bool aIncludeExclusions );

 void DeleteMarkers( enum MARKER_BASE::TYPEMARKER aMarkerTyp, int aErrorCode,
 bool aIncludeExclusions = true );

 void DeleteMarker( SCH_MARKER* aMarker );

 void UpdateSymbolLinks( REPORTER* aReporter = nullptr );

 void ClearEditFlags();

 bool HasNoFullyDefinedLibIds();

 size_t GetLibNicknames( wxArrayString& aLibNicknames );

 int ChangeSymbolLibNickname( const wxString& aFrom, const wxString& aTo );

 bool HasSchematic( const wxString& aSchematicFileName );

 void BuildClientSheetPathList();

 bool CanCauseCaseSensitivityIssue( const wxString& aSchematicFileName ) const;

private:
 void addScreenToList( SCH_SCREEN* aScreen, SCH_SHEET* aSheet );
 void buildScreenList( SCH_SHEET* aSheet);

 std::vector< SCH_SCREEN* > m_screens;
 std::vector< SCH_SHEET* > m_sheets;
 unsigned int m_index;
};

#endif /* SCREEN_H */