kicad-source/eeschema/sch_field.h
2025-09-03 06:45:49 -07:00

451 lines
14 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2022 CERN
* Copyright The 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 CLASS_SCH_FIELD_H
#define CLASS_SCH_FIELD_H
#include <eda_text.h>
#include <sch_item.h>
#include <template_fieldnames.h>
#include <general.h>
#include <string_utils.h>
#include "scintilla_tricks.h"
#include <algorithm>
class SCH_EDIT_FRAME;
class SCH_TEXT;
class SCH_FIELD : public SCH_ITEM, public EDA_TEXT
{
public:
SCH_FIELD(); // For std::map::operator[]
SCH_FIELD( SCH_ITEM* aParent, FIELD_T aFieldId = FIELD_T::USER,
const wxString& aName = wxEmptyString );
SCH_FIELD( SCH_ITEM* aParent, SCH_TEXT* aText );
SCH_FIELD( const SCH_FIELD& aText );
~SCH_FIELD() override
{ }
SCH_FIELD& operator=( const SCH_FIELD& aField );
static bool ClassOf( const EDA_ITEM* aItem )
{
return aItem && SCH_FIELD_T == aItem->Type();
}
wxString GetClass() const override
{
return wxT( "SCH_FIELD" );
}
bool IsType( const std::vector<KICAD_T>& aScanTypes ) const override
{
if( SCH_ITEM::IsType( aScanTypes ) )
return true;
for( KICAD_T scanType : aScanTypes )
{
if( scanType == SCH_FIELD_LOCATE_REFERENCE_T && m_id == FIELD_T::REFERENCE )
return true;
else if ( scanType == SCH_FIELD_LOCATE_VALUE_T && m_id == FIELD_T::VALUE )
return true;
else if ( scanType == SCH_FIELD_LOCATE_FOOTPRINT_T && m_id == FIELD_T::FOOTPRINT )
return true;
else if ( scanType == SCH_FIELD_LOCATE_DATASHEET_T && m_id == FIELD_T::DATASHEET )
return true;
}
return false;
}
wxString GetFriendlyName() const override
{
return _( "Field" );
}
bool IsHypertext() const override;
void DoHypertextAction( EDA_DRAW_FRAME* aFrame ) const override;
/**
* Return the field name (not translated).
*
* @param aUseDefaultName If true return the default field name if the field name is empty.
* @return the name of the field.
*/
wxString GetName( bool aUseDefaultName = true ) const;
/**
* Get a non-language-specific name for a field which can be used for storage, variable
* look-up, etc.
*/
wxString GetCanonicalName() const;
void SetName( const wxString& aName );
void SetText( const wxString& aText ) override;
FIELD_T GetId() const { return m_id; }
int GetOrdinal() const
{
return IsMandatory() ? (int) m_id : m_ordinal;
}
void SetOrdinal( int aOrdinal )
{
m_id = FIELD_T::USER;
m_ordinal = aOrdinal;
}
/**
* Get the field's name as displayed on the schematic or in the symbol fields table. This is
* either the same as GetName() or if the field has a variable for name, the variable name
* with the ${} stripped.
*/
wxString GetShownName() const;
wxString GetShownText( const SCH_SHEET_PATH* aPath, bool aAllowExtraText,
int aDepth = 0 ) const;
wxString GetShownText( bool aAllowExtraText, int aDepth = 0 ) const override;
/**
* Return the text of a field.
*
* If the field is the reference field, the unit number is used to create a pseudo reference
* text. If the base reference field is U, the string U?A will be returned for unit = 1.
*
* @param unit - The package unit number. Only effects reference field.
* @return Field text.
*/
wxString GetFullText( int unit = 1 ) const;
/**
* Return true if both the name and value of the field are empty.
*
* Whitespace does not count as non-empty.
*/
bool IsEmpty()
{
wxString name( m_name );
wxString value( GetText() );
return name.Trim().empty() && value.Trim().empty();
}
int GetSchTextSize() const { return GetTextWidth(); }
void SetSchTextSize( int aSize ) { SetTextSize( VECTOR2I( aSize, aSize ) ); }
COLOR4D GetFieldColor() const;
void SetLastResolvedState( const SCH_ITEM* aItem ) override
{
const SCH_FIELD* aField = dynamic_cast<const SCH_FIELD*>( aItem );
if( aField )
m_lastResolvedColor = aField->m_lastResolvedColor;
}
std::vector<int> ViewGetLayers() const override;
SCH_LAYER_ID GetDefaultLayer() const;
/**
* Adjusters to allow EDA_TEXT to draw/print/etc. text in absolute coords.
*/
EDA_ANGLE GetDrawRotation() const override;
KIFONT::FONT* GetDrawFont( const RENDER_SETTINGS* aSettings ) const override;
const BOX2I GetBoundingBox() const override;
/**
* Return whether the field will be rendered with the horizontal justification
* inverted due to rotation or mirroring of the parent.
*/
bool IsHorizJustifyFlipped() const;
bool IsVertJustifyFlipped() const;
GR_TEXT_H_ALIGN_T GetEffectiveHorizJustify() const;
GR_TEXT_V_ALIGN_T GetEffectiveVertJustify() const;
void SetEffectiveHorizJustify( GR_TEXT_H_ALIGN_T );
void SetEffectiveVertJustify( GR_TEXT_V_ALIGN_T );
bool IsNameShown() const { return m_showName; }
void SetNameShown( bool aShown = true ) { m_showName = aShown; }
/**
* Generated fields are fields whose names are variables like ${VAR}.
*
* The shown name of these fields is VAR and the value is resolved from
* ${VAR}
*/
bool IsGeneratedField() const { return m_isGeneratedField; }
bool CanAutoplace() const { return m_allowAutoPlace; }
void SetCanAutoplace( bool aCanPlace ) { m_allowAutoPlace = aCanPlace; }
void swapData( SCH_ITEM* aItem ) override;
int GetPenWidth() const override;
bool IsAutoAdded() const { return m_autoAdded; }
void SetAutoAdded( bool aAutoAdded ) { m_autoAdded = aAutoAdded; }
bool ShowInChooser() const { return m_showInChooser; }
void SetShowInChooser( bool aShow = true ) { m_showInChooser = aShow; }
void ClearCaches() override;
void ClearRenderCache() override;
std::vector<std::unique_ptr<KIFONT::GLYPH>>*
GetRenderCache( const wxString& forResolvedText, const VECTOR2I& forPosition,
TEXT_ATTRIBUTES& aAttrs ) const;
void Move( const VECTOR2I& aMoveVector ) override
{
Offset( aMoveVector );
}
void Rotate( const VECTOR2I& aCenter, bool aRotateCCW ) override;
void MirrorVertically( int aCenter ) override;
void MirrorHorizontally( int aCenter ) override;
void BeginEdit( const VECTOR2I& aStartPoint ) override;
void CalcEdit( const VECTOR2I& aPosition ) override;
void OnScintillaCharAdded( SCINTILLA_TRICKS* aScintillaTricks,
wxStyledTextEvent &aEvent ) const;
bool Matches( const EDA_SEARCH_DATA& aSearchData, void* aAuxData ) const override;
bool Replace( const EDA_SEARCH_DATA& aSearchData, void* aAuxData = nullptr ) override;
wxString GetItemDescription( UNITS_PROVIDER* aUnitsProvider, bool aFull ) const override;
void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
BITMAPS GetMenuImage() const override;
bool IsReplaceable() const override;
VECTOR2I GetLibPosition() const { return EDA_TEXT::GetTextPos(); }
VECTOR2I GetPosition() const override;
void SetPosition( const VECTOR2I& aPosition ) override;
VECTOR2I GetParentPosition() const;
bool HitTest( const VECTOR2I& aPosition, int aAccuracy = 0 ) const override;
bool HitTest( const BOX2I& aRect, bool aContained, int aAccuracy = 0 ) const override;
bool HitTest( const SHAPE_LINE_CHAIN& aPoly, bool aContained ) const override;
void Plot( PLOTTER* aPlotter, bool aBackground, const SCH_PLOT_OPTS& aPlotOpts,
int aUnit, int aBodyStyle, const VECTOR2I& aOffset, bool aDimmed ) override;
EDA_ITEM* Clone() const override;
/**
* Copy parameters from a SCH_FIELD source.
*
* @note Pointers and specific values (position) are not copied.
*
* @param aSource is the SCH_FIELD to read.
*/
void ImportValues( const SCH_FIELD& aSource );
/**
* Copy parameters of this field to another field.
*
* @note Pointers are not copied.
*
* @param aTarget Target field to copy values to.
*/
void Copy( SCH_FIELD* aTarget ) const;
bool IsMandatory() const;
bool operator <( const SCH_ITEM& aItem ) const override;
double Similarity( const SCH_ITEM& aItem ) const override;
bool operator==( const SCH_ITEM& aItem ) const override;
bool operator==( const SCH_FIELD& aItem ) const;
#if defined(DEBUG)
void Show( int nestLevel, std::ostream& os ) const override { ShowDummy( os ); }
#endif
protected:
friend class SCH_IO_KICAD_SEXPR_PARSER;
const KIFONT::METRICS& getFontMetrics() const override { return GetFontMetrics(); }
/**
* @copydoc SCH_ITEM::compare()
*
* The field specific sort order is as follows:
*
* - Field ID, REFERENCE, VALUE, etc.
* - Field string, case insensitive compare.
* - Field horizontal (X) position.
* - Field vertical (Y) position.
* - Field width.
* - Field height.
*/
int compare( const SCH_ITEM& aOther, int aCompareFlags = 0 ) const override;
void setId( FIELD_T aId );
private:
FIELD_T m_id; ///< Field id, @see enum FIELD_T
int m_ordinal; ///< Sort order for non-mandatory fields
wxString m_name;
bool m_showName; ///< Render the field name in addition to its value
bool m_allowAutoPlace; ///< This field can be autoplaced
bool m_isGeneratedField; ///< If the field name is a variable name (e.g. ${DNP}) then
///< the value field is forced to be the same as the name
bool m_autoAdded; ///< Was this field automatically added to a LIB_SYMBOL?
bool m_showInChooser; ///< This field is available as a data column for the chooser
mutable bool m_renderCacheValid;
mutable VECTOR2I m_renderCachePos;
mutable std::vector<std::unique_ptr<KIFONT::GLYPH>> m_renderCache;
mutable COLOR4D m_lastResolvedColor;
};
inline int NextFieldOrdinal( const std::vector<SCH_FIELD>& aFields )
{
int ordinal = 42; // Arbitrarily larger than any mandatory FIELD_T id
for( const SCH_FIELD& field : aFields )
ordinal = std::max( ordinal, field.GetOrdinal() + 1 );
return ordinal;
}
inline const SCH_FIELD* FindField( const std::vector<SCH_FIELD>& aFields, FIELD_T aFieldId )
{
for( const SCH_FIELD& field : aFields )
{
if( field.GetId() == aFieldId )
return &field;
}
return nullptr;
}
inline SCH_FIELD* FindField( std::vector<SCH_FIELD>& aFields, FIELD_T aFieldId )
{
auto& constFields = const_cast<const std::vector<SCH_FIELD>&>( aFields );
return const_cast<SCH_FIELD*>( FindField( constFields, aFieldId ) );
}
inline const SCH_FIELD* FindField( const std::vector<SCH_FIELD>& aFields,
const wxString& aFieldName )
{
for( const SCH_FIELD& field : aFields )
{
if( field.GetName() == aFieldName )
return &field;
}
return nullptr;
}
inline SCH_FIELD* FindField( std::vector<SCH_FIELD>& aFields, const wxString& aFieldName )
{
auto& constFields = const_cast<const std::vector<SCH_FIELD>&>( aFields );
return const_cast<SCH_FIELD*>( FindField( constFields, aFieldName ) );
}
inline wxString GetFieldValue( const std::vector<SCH_FIELD>* aFields, FIELD_T aFieldType )
{
if( !aFields )
return wxEmptyString;
if( const SCH_FIELD* field = FindField( *aFields, aFieldType ) )
return field->GetText();
return wxEmptyString;
}
inline std::string GetFieldValue( const std::vector<SCH_FIELD>* aFields,
const wxString& aFieldName, bool aResolve, int aDepth )
{
if( !aFields )
return "";
if( const SCH_FIELD* field = FindField( *aFields, aFieldName ) )
return ( aResolve ? field->GetShownText( false, aDepth ) : field->GetText() ).ToStdString();
return "";
}
inline void SetFieldValue( std::vector<SCH_FIELD>& aFields, const wxString& aFieldName,
const std::string& aValue, bool aIsVisible = true )
{
if( aValue == "" )
{
std::erase_if( aFields, [&]( const SCH_FIELD& field )
{
return field.GetName() == aFieldName;
} );
return;
}
if( SCH_FIELD* field = FindField( aFields, aFieldName ) )
{
field->SetText( aValue );
return;
}
SCH_ITEM* parent = static_cast<SCH_ITEM*>( aFields.at( 0 ).GetParent() );
aFields.emplace_back( parent, FIELD_T::USER, aFieldName );
aFields.back().SetText( aValue );
aFields.back().SetVisible( aIsVisible );
}
#endif /* CLASS_SCH_FIELD_H */