kicad/eeschema/sch_field.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, jp.charras at wanadoo.fr
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* Copyright (C) 2004-2021 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 CLASS_SCH_FIELD_H
#define CLASS_SCH_FIELD_H
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#include <eda_text.h>
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#include <sch_item.h>
#include <template_fieldnames.h>
#include <general.h>
class SCH_EDIT_FRAME;
class LIB_FIELD;
/**
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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
* pairs of arbitrary purpose.
*
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* - Field 0 is reserved for the symbol reference.
* - Field 1 is reserved for the symbol value.
* - Field 2 is reserved for the symbol footprint.
* - Field 3 is reserved for the symbol data sheet file.
* - Field 4 and higher are user definable.
*/
class SCH_FIELD : public SCH_ITEM, public EDA_TEXT
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{
public:
SCH_FIELD( const VECTOR2I& aPos, int aFieldId, SCH_ITEM* aParent,
const wxString& aName = wxEmptyString );
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SCH_FIELD( const SCH_FIELD& aText );
~SCH_FIELD()
{ }
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SCH_FIELD& operator=( const SCH_FIELD& aField );
static inline bool ClassOf( const EDA_ITEM* aItem )
{
return aItem && SCH_FIELD_T == aItem->Type();
}
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wxString GetClass() const override
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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
{
if( SCH_ITEM::IsType( aScanTypes ) )
return true;
for( KICAD_T scanType : aScanTypes )
{
if( scanType == SCH_FIELD_LOCATE_REFERENCE_T && m_id == REFERENCE_FIELD )
return true;
else if ( scanType == SCH_FIELD_LOCATE_VALUE_T && m_id == VALUE_FIELD )
return true;
else if ( scanType == SCH_FIELD_LOCATE_FOOTPRINT_T && m_id == FOOTPRINT_FIELD )
return true;
else if ( scanType == SCH_FIELD_LOCATE_DATASHEET_T && m_id == DATASHEET_FIELD )
return true;
}
return false;
}
bool IsHypertext() const override
{
return m_id == 0 && m_parent && m_parent->Type() == SCH_GLOBAL_LABEL_T;
}
void DoHypertextAction( EDA_DRAW_FRAME* aFrame ) const override;
/**
* Return the field name (not translated)..
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*
* @param aUseDefaultName When true return the default field name if the field name is
* empty. Otherwise the default field name is returned.
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* @return the name of the field.
*/
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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;
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void SetName( const wxString& aName ) { m_name = aName; }
int GetId() const { return m_id; }
void SetId( int aId );
wxString GetShownText( int aDepth = 0, bool aAllowExtraText = true ) const override;
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;
}
/**
* Adjusters to allow EDA_TEXT to draw/print/etc. text in absolute coords.
*/
EDA_ANGLE GetDrawRotation() const override;
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const BOX2I GetBoundingBox() const override;
/**
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* 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;
bool IsNameShown() const { return m_showName; }
void SetNameShown( bool aShown = true ) { m_showName = aShown; }
bool CanAutoplace() const { return m_allowAutoPlace; }
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.
*
* Pointers and specific values (position) are not copied.
*
* @param aSource is the LIB_FIELD to read.
*/
void ImportValues( const LIB_FIELD& aSource );
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int GetPenWidth() const override;
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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 Print( const RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset ) override;
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void Move( const VECTOR2I& aMoveVector ) override
{
Offset( aMoveVector );
}
void Rotate( const VECTOR2I& aCenter ) override;
/**
* @copydoc SCH_ITEM::MirrorVertically()
*
* 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
* pure function of the master class.
*/
void MirrorVertically( int aCenter ) override
{
}
/**
* @copydoc SCH_ITEM::MirrorHorizontally()
*
* 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
* pure function of the master class.
*/
void MirrorHorizontally( int aCenter ) override
{
}
bool Matches( const EDA_SEARCH_DATA& aSearchData, void* aAuxData ) const override;
bool Replace( const EDA_SEARCH_DATA& aSearchData, void* aAuxData = nullptr ) override;
wxString GetSelectMenuText( UNITS_PROVIDER* aUnitsProvider ) const override;
void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
BITMAPS GetMenuImage() const override;
bool IsReplaceable() const override;
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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;
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bool HitTest( const BOX2I& aRect, bool aContained, int aAccuracy = 0 ) const override;
void Plot( PLOTTER* aPlotter, bool aBackground ) const override;
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EDA_ITEM* Clone() const override;
bool operator <( const SCH_ITEM& aItem ) const override;
#if defined(DEBUG)
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void Show( int nestLevel, std::ostream& os ) const override { ShowDummy( os ); }
#endif
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protected:
KIFONT::FONT* getDrawFont() const override;
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private:
int m_id; ///< Field index, @see enum MANDATORY_FIELD_T
wxString m_name;
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bool m_showName; ///< Render the field name in addition to its value
bool m_allowAutoPlace; ///< This field can be autoplaced
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mutable bool m_renderCacheValid;
mutable VECTOR2I m_renderCachePos;
mutable std::vector<std::unique_ptr<KIFONT::GLYPH>> m_renderCache;
mutable COLOR4D m_lastResolvedColor;
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};
#endif /* CLASS_SCH_FIELD_H */