311 lines
10 KiB
C++
311 lines
10 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2015 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 2022 CERN
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* Copyright (C) 2004-2023 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef CLASS_SCH_FIELD_H
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#define CLASS_SCH_FIELD_H
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#include <eda_text.h>
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#include <sch_item.h>
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#include <template_fieldnames.h>
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#include <general.h>
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#include "scintilla_tricks.h"
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class SCH_EDIT_FRAME;
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class LIB_FIELD;
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/**
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* Instances are attached to a symbol or sheet and provide a place for the symbol's value,
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* reference designator, footprint, , a sheet's name, filename, and user definable name-value
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* pairs of arbitrary purpose.
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*
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* - Field 0 is reserved for the symbol reference.
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* - Field 1 is reserved for the symbol value.
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* - Field 2 is reserved for the symbol footprint.
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* - Field 3 is reserved for the symbol data sheet file.
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* - Field 4 and higher are user definable.
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*/
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class SCH_FIELD : public SCH_ITEM, public EDA_TEXT
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{
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public:
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SCH_FIELD( const VECTOR2I& aPos, int aFieldId, SCH_ITEM* aParent,
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const wxString& aName = wxEmptyString );
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SCH_FIELD( SCH_ITEM* aParent, int aFieldId, const wxString& aName = wxEmptyString );
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SCH_FIELD( const SCH_FIELD& aText );
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~SCH_FIELD()
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{ }
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SCH_FIELD& operator=( const SCH_FIELD& aField );
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static inline bool ClassOf( const EDA_ITEM* aItem )
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{
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return aItem && SCH_FIELD_T == aItem->Type();
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}
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wxString GetClass() const override
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{
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return wxT( "SCH_FIELD" );
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}
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bool IsType( const std::vector<KICAD_T>& aScanTypes ) const override
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{
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if( SCH_ITEM::IsType( aScanTypes ) )
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return true;
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for( KICAD_T scanType : aScanTypes )
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{
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if( scanType == SCH_FIELD_LOCATE_REFERENCE_T && m_id == REFERENCE_FIELD )
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return true;
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else if ( scanType == SCH_FIELD_LOCATE_VALUE_T && m_id == VALUE_FIELD )
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return true;
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else if ( scanType == SCH_FIELD_LOCATE_FOOTPRINT_T && m_id == FOOTPRINT_FIELD )
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return true;
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else if ( scanType == SCH_FIELD_LOCATE_DATASHEET_T && m_id == DATASHEET_FIELD )
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return true;
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}
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return false;
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}
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bool IsHypertext() const override
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{
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return GetCanonicalName() == wxT( "Intersheetrefs" );
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}
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void DoHypertextAction( EDA_DRAW_FRAME* aFrame ) const override;
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/**
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* Return the field name (not translated)..
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*
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* @param aUseDefaultName When true return the default field name if the field name is
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* empty. Otherwise the default field name is returned.
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* @return the name of the field.
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*/
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wxString GetName( bool aUseDefaultName = true ) const;
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/**
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* Get a non-language-specific name for a field which can be used for storage, variable
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* look-up, etc.
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*/
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wxString GetCanonicalName() const;
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void SetName( const wxString& aName );
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void SetText( const wxString& aText ) override;
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/**
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* Get the initial name of the field set at creation (or set by SetName()).
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* This is the raw field name with no translation and no change.
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*/
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const wxString& GetInternalName() { return m_name; }
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int GetId() const { return m_id; }
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void SetId( int aId );
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/**
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* Gets the fields name as displayed on the schematic or
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* in the symbol fields table. This is either the same as GetName() or
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* if the field has a variable for name, the variable namer with the ${} stripped.
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*/
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wxString GetShownName() const;
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wxString GetShownText( const SCH_SHEET_PATH* aPath, bool aAllowExtraText,
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int aDepth = 0 ) const;
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wxString GetShownText( bool aAllowExtraText, int aDepth = 0 ) const override;
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/**
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* Return true if both the name and value of the field are empty. Whitespace
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* does not count as non-empty
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*/
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bool IsEmpty()
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{
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wxString name( m_name );
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wxString value( GetText() );
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return name.Trim().empty() && value.Trim().empty();
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}
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COLOR4D GetFieldColor() const;
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void SetLastResolvedState( const SCH_ITEM* aItem ) override
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{
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const SCH_FIELD* aField = dynamic_cast<const SCH_FIELD*>( aItem );
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if( aField )
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m_lastResolvedColor = aField->m_lastResolvedColor;
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}
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void ViewGetLayers( int aLayers[], int& aCount ) const override;
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/**
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* Adjusters to allow EDA_TEXT to draw/print/etc. text in absolute coords.
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*/
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EDA_ANGLE GetDrawRotation() const override;
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const BOX2I GetBoundingBox() const override;
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/**
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* Return whether the field will be rendered with the horizontal justification
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* inverted due to rotation or mirroring of the parent.
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*/
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bool IsHorizJustifyFlipped() const;
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bool IsVertJustifyFlipped() const;
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GR_TEXT_H_ALIGN_T GetEffectiveHorizJustify() const;
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GR_TEXT_V_ALIGN_T GetEffectiveVertJustify() const;
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bool IsNameShown() const { return m_showName; }
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void SetNameShown( bool aShown = true ) { m_showName = aShown; }
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/**
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* Named variables are fields whose names are variables like ${VAR}.
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*
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* The shown name of these fields is VAR and the value is resolved from
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* ${VAR}
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*/
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bool IsNamedVariable() const { return m_isNamedVariable; }
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bool CanAutoplace() const { return m_allowAutoPlace; }
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void SetCanAutoplace( bool aCanPlace ) { m_allowAutoPlace = aCanPlace; }
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void SwapData( SCH_ITEM* aItem ) override;
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/**
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* Copy parameters from a LIB_FIELD source.
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*
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* Pointers and specific values (position) are not copied.
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*
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* @param aSource is the LIB_FIELD to read.
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*/
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void ImportValues( const LIB_FIELD& aSource );
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int GetPenWidth() const override;
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void ClearCaches() override;
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void ClearRenderCache() override;
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std::vector<std::unique_ptr<KIFONT::GLYPH>>*
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GetRenderCache( const wxString& forResolvedText, const VECTOR2I& forPosition,
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TEXT_ATTRIBUTES& aAttrs ) const;
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void Print( const RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset ) override;
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void Move( const VECTOR2I& aMoveVector ) override
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{
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Offset( aMoveVector );
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}
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void Rotate( const VECTOR2I& aCenter ) override;
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/**
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* @copydoc SCH_ITEM::MirrorVertically()
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*
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* This overload does nothing. Fields are never mirrored alone. They are moved
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* when the parent symbol is mirrored. This function is only needed by the
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* pure function of the master class.
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*/
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void MirrorVertically( int aCenter ) override
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{
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}
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/**
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* @copydoc SCH_ITEM::MirrorHorizontally()
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*
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* This overload does nothing. Fields are never mirrored alone. They are moved
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* when the parent symbol is mirrored. This function is only needed by the
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* pure function of the master class.
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*/
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void MirrorHorizontally( int aCenter ) override
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{
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}
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void OnScintillaCharAdded( SCINTILLA_TRICKS* aScintillaTricks, wxStyledTextEvent &aEvent ) const;
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bool Matches( const EDA_SEARCH_DATA& aSearchData, void* aAuxData ) const override;
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bool Replace( const EDA_SEARCH_DATA& aSearchData, void* aAuxData = nullptr ) override;
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wxString GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const override;
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void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
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BITMAPS GetMenuImage() const override;
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bool IsReplaceable() const override;
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VECTOR2I GetLibPosition() const { return EDA_TEXT::GetTextPos(); }
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VECTOR2I GetPosition() const override;
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void SetPosition( const VECTOR2I& aPosition ) override;
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VECTOR2I GetParentPosition() const;
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bool HitTest( const VECTOR2I& aPosition, int aAccuracy = 0 ) const override;
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bool HitTest( const BOX2I& aRect, bool aContained, int aAccuracy = 0 ) const override;
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void Plot( PLOTTER* aPlotter, bool aBackground,
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const SCH_PLOT_SETTINGS& aPlotSettings ) const override;
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EDA_ITEM* Clone() const override;
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bool operator <( const SCH_ITEM& aItem ) const override;
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double Similarity( const SCH_ITEM& aItem ) const override;
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bool operator==( const SCH_ITEM& aItem ) const override;
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#if defined(DEBUG)
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void Show( int nestLevel, std::ostream& os ) const override { ShowDummy( os ); }
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#endif
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protected:
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KIFONT::FONT* getDrawFont() const override;
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const KIFONT::METRICS& getFontMetrics() const override { return GetFontMetrics(); }
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private:
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int m_id; ///< Field index, @see enum MANDATORY_FIELD_T
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wxString m_name;
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bool m_showName; ///< Render the field name in addition to its value
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bool m_allowAutoPlace; ///< This field can be autoplaced
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bool m_isNamedVariable; ///< If the field name is a variable name, e.g. ${DNP}
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///< then the value field is forced to be the same as the name
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mutable bool m_renderCacheValid;
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mutable VECTOR2I m_renderCachePos;
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mutable std::vector<std::unique_ptr<KIFONT::GLYPH>> m_renderCache;
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mutable COLOR4D m_lastResolvedColor;
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};
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#endif /* CLASS_SCH_FIELD_H */
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