sch_pin.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2015 Jean-Pierre Charras, jaen-pierre.charras at wanadoo.fr
 * Copyright (C) 2015 Wayne Stambaugh <[email protected]>
 * Copyright (C) 2018 CERN
 * Copyright (C) 2004-2024 KiCad Developers, see AUTHOR.txt for contributors.
 * @author Jon Evans <[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 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, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef SCH_PIN_H
#define SCH_PIN_H
 
#include <pin_type.h>
#include <sch_item.h>
#include <symbol.h>
 
class LIB_SYMBOL;
class SCH_SYMBOL;
 
// Circle diameter drawn at the active end of pins:
#define TARGET_PIN_RADIUS schIUScale.MilsToIU( 15 )
 
 
class SCH_PIN : public SCH_ITEM
{
public:
 struct ALT
 {
 wxString m_Name;
 GRAPHIC_PINSHAPE m_Shape; // Shape drawn around pin
 ELECTRICAL_PINTYPE m_Type; // Electrical type of the pin.
 };
 
 SCH_PIN( LIB_SYMBOL* aParentSymbol );
 
 SCH_PIN( LIB_SYMBOL* aParentSymbol, const wxString& aName, const wxString& aNumber,
 PIN_ORIENTATION aOrientation, ELECTRICAL_PINTYPE aPinType, int aLength,
 int aNameTextSize, int aNumTextSize, int aBodyStyle, const VECTOR2I& aPos, int aUnit );
 
 SCH_PIN( SCH_SYMBOL* aParentSymbol, SCH_PIN* aLibPin );
 
 SCH_PIN( SCH_SYMBOL* aParentSymbol, const wxString& aNumber, const wxString& aAlt,
 const KIID& aUuid );
 
 SCH_PIN( const SCH_PIN& aPin );
 
 ~SCH_PIN() override { }
 
 SCH_PIN& operator=( const SCH_PIN& aPin );
 
 wxString GetClass() const override
 {
 return wxT( "SCH_PIN" );
 }
 
 static bool ClassOf( const EDA_ITEM* aItem )
 {
 return aItem && aItem->Type() == SCH_PIN_T;
 }
 
 wxString GetFriendlyName() const override
 {
 return _( "Pin" );
 }
 
 SCH_PIN* GetLibPin() const { return m_libPin; }
 void SetLibPin( SCH_PIN* aLibPin ) { m_libPin = aLibPin; }
 
 PIN_ORIENTATION GetOrientation() const;
 void SetOrientation( PIN_ORIENTATION aOrientation ) { m_orientation = aOrientation; }
 
 GRAPHIC_PINSHAPE GetShape() const;
 void SetShape( GRAPHIC_PINSHAPE aShape ) { m_shape = aShape; }
 
 int GetLength() const;
 void SetLength( int aLength ) { m_length = aLength; }
 
 void ChangeLength( int aLength );
 
 ELECTRICAL_PINTYPE GetType() const;
 void SetType( ELECTRICAL_PINTYPE aType ) { m_type = aType; }
 wxString GetCanonicalElectricalTypeName() const;
 wxString GetElectricalTypeName() const;
 
 bool IsVisible() const;
 void SetVisible( bool aVisible ) { m_hidden = !aVisible; }
 
 const wxString& GetName() const;
 wxString GetShownName() const;
 void SetName( const wxString& aName );
 
 const wxString& GetNumber() const { return m_number; }
 wxString GetShownNumber() const;
 void SetNumber( const wxString& aNumber );
 
 int GetNameTextSize() const;
 void SetNameTextSize( int aSize );
 
 int GetNumberTextSize() const;
 void SetNumberTextSize( int aSize );
 
 std::map<wxString, ALT>& GetAlternates()
 {
 if( m_libPin )
 return m_libPin->GetAlternates();
 
 return m_alternates;
 }
 
 ALT GetAlt( const wxString& aAlt )
 {
 return GetAlternates()[ aAlt ];
 }
 
 wxString GetAlt() const { return m_alt; }
 void SetAlt( const wxString& aAlt ) { m_alt = aAlt; }
 
 void Print( const SCH_RENDER_SETTINGS* aSettings, int aUnit, int aBodyStyle,
 const VECTOR2I& aOffset, bool aForceNoFill, bool aDimmed ) override;
 
 PIN_ORIENTATION PinDrawOrient( const TRANSFORM& aTransform ) const;
 
#if defined(DEBUG)
 void Show( int nestLevel, std::ostream& os ) const override;
#endif
 
 bool HitTest( const VECTOR2I& aPosition, int aAccuracy = 0 ) const override;
 
 bool HitTest( const BOX2I& aRect, bool aContained, int aAccuracy = 0 ) const override;
 
 void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
 
 const BOX2I ViewBBox() const override;
 
 void ViewGetLayers( int aLayers[], int& aCount ) const override;
 
 /* Cannot use a default parameter here as it will not be compatible with the virtual. */
 const BOX2I GetBoundingBox() const override
 {
 return GetBoundingBox( false, true, m_flags & SHOW_ELEC_TYPE );
 }
 
 BOX2I GetBoundingBox( bool aIncludeLabelsOnInvisiblePins, bool aIncludeNameAndNumber,
 bool aIncludeElectricalType ) const;
 
 bool IsGlobalPower() const
 {
 return GetType() == ELECTRICAL_PINTYPE::PT_POWER_IN
 && ( !IsVisible() || GetParentSymbol()->IsPower() );
 }
 
 int GetPenWidth() const override { return 0; }
 
 void Move( const VECTOR2I& aOffset ) override;
 
 VECTOR2I GetPosition() const override;
 VECTOR2I GetLocalPosition() const { return m_position; }
 void SetPosition( const VECTOR2I& aPos ) override { m_position = aPos; }
 
 // For properties system
 int GetX() const { return m_position.x; }
 void SetX( int aX ) { m_position.x = aX; }
 int GetY() const { return m_position.y; }
 void SetY( int aY ) { m_position.y = aY; }
 
 VECTOR2I GetPinRoot() const;
 
 void MirrorHorizontally( int aCenter ) override;
 void MirrorVertically( int aCenter ) override;
 void Rotate( const VECTOR2I& aCenter, bool aRotateCCW = true ) override;
 
 void PlotPinTexts( PLOTTER *aPlotter, const VECTOR2I &aPinPos, PIN_ORIENTATION aPinOrient,
 int aTextInside, bool aDrawPinNum, bool aDrawPinName, bool aDimmed ) const;
 
 void PlotPinType( PLOTTER *aPlotter, const VECTOR2I &aPosition, PIN_ORIENTATION aOrientation,
 bool aDimmed ) const;
 
 void Plot( PLOTTER* aPlotter, bool aBackground, const SCH_PLOT_OPTS& aPlotOpts,
 int aUnit, int aBodyStyle, const VECTOR2I& aOffset, bool aDimmed ) override;
 
 BITMAPS GetMenuImage() const override;
 
 wxString GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const override;
 wxString GetItemDescription( UNITS_PROVIDER* aUnitsProvider, ALT* aAlt ) const;
 
 EDA_ITEM* Clone() const override;
 
 void CalcEdit( const VECTOR2I& aPosition ) override;
 
 bool Matches( const EDA_SEARCH_DATA& aSearchData, void* aAuxData ) const override;
 
 bool Replace( const EDA_SEARCH_DATA& aSearchData, void* aAuxData ) override;
 
 static wxString GetCanonicalElectricalTypeName( ELECTRICAL_PINTYPE aType );
 
 bool IsConnectable() const override { return true; }
 
 bool HasConnectivityChanges( const SCH_ITEM* aItem,
 const SCH_SHEET_PATH* aInstance = nullptr ) const override;
 
 void ClearDefaultNetName( const SCH_SHEET_PATH* aPath );
 wxString GetDefaultNetName( const SCH_SHEET_PATH& aPath, bool aForceNoConnect = false );
 
 bool IsDangling() const override
 {
 if( GetType() == ELECTRICAL_PINTYPE::PT_NC || GetType() == ELECTRICAL_PINTYPE::PT_NIC )
 return false;
 
 return m_isDangling;
 }
 
 void SetIsDangling( bool isDangling ) { m_isDangling = isDangling; }
 
 bool IsStacked( const SCH_PIN* aPin ) const;
 
 bool IsPointClickableAnchor( const VECTOR2I& aPos ) const override
 {
 return m_isDangling && GetPosition() == aPos;
 }
 
 bool ConnectionPropagatesTo( const EDA_ITEM* aItem ) const override;
 
 const wxString& GetOperatingPoint() const { return m_operatingPoint; }
 void SetOperatingPoint( const wxString& aText ) { m_operatingPoint = aText; }
 
 double Similarity( const SCH_ITEM& aOther ) const override;
 
 bool operator==( const SCH_ITEM& aOther ) const override;
 bool operator!=( const SCH_ITEM& aOther ) const { return !operator==( aOther ); }
 bool operator<( const SCH_PIN& aRhs ) const { return compare( aRhs, EQUALITY ) < 0; }
 bool operator>( const SCH_PIN& aRhs ) const { return compare( aRhs, EQUALITY ) > 0; }
 
protected:
 wxString getItemDescription( ALT* aAlt ) const;
 
 struct EXTENTS_CACHE
 {
 KIFONT::FONT* m_Font = nullptr;
 int m_FontSize = 0;
 VECTOR2I m_Extents;
 };
 
 void validateExtentsCache( KIFONT::FONT* aFont, int aSize, const wxString& aText,
 EXTENTS_CACHE* aCache ) const;
 
 void printPinSymbol( const SCH_RENDER_SETTINGS *aSettings, const VECTOR2I &aPos,
 PIN_ORIENTATION aOrientation, bool aDimmed );
 
 void printPinTexts( const RENDER_SETTINGS* aSettings, const VECTOR2I& aPinPos,
 PIN_ORIENTATION aPinOrient, int aTextInside, bool aDrawPinNum,
 bool aDrawPinName, bool aDimmed );
 
 void printPinElectricalTypeName( const RENDER_SETTINGS* aSettings, const VECTOR2I& aPosition,
 PIN_ORIENTATION aOrientation, bool aDimmed );
 std::ostream& operator<<( std::ostream& aStream );
 
private:
 int compare( const SCH_ITEM& aOther, int aCompareFlags = 0 ) const override;
 
protected:
 SCH_PIN* m_libPin; // The corresponding pin in the LIB_SYMBOL
 // (nullptr for a pin *in* the LIB_SYMBOL)
 
 std::map<wxString, ALT> m_alternates; // Map of alternate name to ALT structure
 // (only valid for pins in LIB_SYMBOLS)
 
 VECTOR2I m_position; // Position of the pin.
 std::optional<int> m_length; // Length of the pin.
 PIN_ORIENTATION m_orientation; // Pin orientation (Up, Down, Left, Right)
 GRAPHIC_PINSHAPE m_shape; // Shape drawn around pin
 ELECTRICAL_PINTYPE m_type; // Electrical type of the pin.
 std::optional<bool> m_hidden;
 wxString m_name;
 wxString m_number;
 std::optional<int> m_numTextSize; // Pin num and Pin name sizes
 std::optional<int> m_nameTextSize;
 wxString m_alt; // The current alternate for an instance
 
 wxString m_operatingPoint;
 
 mutable EXTENTS_CACHE m_numExtentsCache;
 mutable EXTENTS_CACHE m_nameExtentsCache;
 
 bool m_isDangling;
 
 std::recursive_mutex m_netmap_mutex;
 std::map<const SCH_SHEET_PATH, std::pair<wxString, bool>> m_net_name_map;
};
 
 
#endif // SCH_PIN_H