kicad/eeschema/lib_field.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
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* Copyright (C) 2019 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2004-2020 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
*/
/**
* @file lib_field.h
*/
#ifndef CLASS_LIBENTRY_FIELDS_H
#define CLASS_LIBENTRY_FIELDS_H
#include <eda_text.h>
#include <lib_item.h>
class SCH_LEGACY_PLUGIN_CACHE;
/**
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* Field object used in symbol libraries. At least MANDATORY_FIELDS are always present in a
* RAM-resident library symbol. All constructors must ensure this because the symbol property
* editor assumes it.
* <p>
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* A field is a string linked to a symbol. Unlike purely graphical text, fields can be used in
* netlist generation and other tools (BOM).
*
* The first 4 fields have a special meaning:
*
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* 0 = REFERENCE_FIELD
* 1 = VALUE_FIELD
* 2 = FOOTPRINT_FIELD (default Footprint)
* 3 = DATASHEET_FIELD (user doc link)
*
* others = free fields
* </p>
*
* @see enum MANDATORY_FIELD_T
*/
class LIB_FIELD : public LIB_ITEM, public EDA_TEXT
{
int m_id; ///< @see enum MANDATORY_FIELD_T
wxString m_name; ///< Name (not the field text value itself, that is .m_Text)
/**
* Print the field.
* <p>
* If \a aData not NULL, \a aData must point a wxString which is used instead of
* the m_Text
* </p>
*/
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void print( const RENDER_SETTINGS* aSettings, const wxPoint& aOffset, void* aData,
const TRANSFORM& aTransform ) override;
/**
* Calculate the new circle at \a aPosition when editing.
*
* @param aPosition - The position to edit the circle in drawing coordinates.
*/
void CalcEdit( const wxPoint& aPosition ) override;
friend class SCH_LEGACY_PLUGIN_CACHE; // Required to access m_name.
public:
LIB_FIELD( int idfield = 2 );
LIB_FIELD( int aID, const wxString& aName );
LIB_FIELD( LIB_PART * aParent, int idfield = 2 );
// Do not create a copy constructor. The one generated by the compiler is adequate.
~LIB_FIELD();
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wxString GetClass() const override
{
return wxT( "LIB_FIELD" );
}
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wxString GetTypeName() const override
{
return _( "Field" );
}
/**
* Object constructor initialization helper.
*/
void Init( int idfield );
/**
* Returns the field name.
*
* The first four field IDs are reserved and therefore always return their respective
* names.
*
* The user definable fields will return FieldN where N is the ID of the field when the
* m_name member is empyt unless false is passed to \a aUseDefaultName.
*/
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;
/**
* Set a user definable field name to \a aName.
*
* Reserved fields such as value and reference are not renamed. If the field name is
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* changed, the field modified flag is set. If the field is the child of a symbol, the
* parent symbol's modified flag is also set.
*
* @param aName - User defined field name.
*/
void SetName( const wxString& aName );
int GetId() const { return m_id; }
void SetId( int aId ) { m_id = aId; }
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int GetPenWidth() const override;
/**
* Copy parameters of this field to another field. Pointers are not copied.
*
* @param aTarget Target field to copy values to.
*/
void Copy( LIB_FIELD* aTarget ) const;
void ViewGetLayers( int aLayers[], int& aCount ) const override;
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const EDA_RECT GetBoundingBox() const override;
void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
bool HitTest( const wxPoint& aPosition, int aAccuracy = 0 ) const override;
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LIB_FIELD& operator=( const LIB_FIELD& field );
/**
* 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;
SCH_LAYER_ID GetDefaultLayer() const;
void BeginEdit( const wxPoint aStartPoint ) override;
void Offset( const wxPoint& aOffset ) override;
void MoveTo( const wxPoint& aPosition ) override;
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wxPoint GetPosition() const override { return EDA_TEXT::GetTextPos(); }
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void MirrorHorizontal( const wxPoint& aCenter ) override;
void MirrorVertical( const wxPoint& aCenter ) override;
void Rotate( const wxPoint& aCenter, bool aRotateCCW = true ) override;
void Plot( PLOTTER* aPlotter, const wxPoint& aOffset, bool aFill,
const TRANSFORM& aTransform ) const override;
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int GetWidth() const override { return GetTextThickness(); }
void SetWidth( int aWidth ) override { SetTextThickness( aWidth ); }
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wxString GetSelectMenuText( EDA_UNITS aUnits ) const override;
BITMAPS GetMenuImage() const override;
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EDA_ITEM* Clone() const override;
bool IsMandatory() const;
private:
/**
* @copydoc LIB_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 LIB_ITEM& aOther,
LIB_ITEM::COMPARE_FLAGS aCompareFlags = LIB_ITEM::COMPARE_FLAGS::NORMAL ) const override;
};
#endif // CLASS_LIBENTRY_FIELDS_H