kicad/eeschema/sch_field.h

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/**
* @file sch_field.h
* @brief Definition of the SCH_FIELD class for Eeschema.
*/
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#ifndef CLASS_SCH_FIELD_H
#define CLASS_SCH_FIELD_H
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#include "sch_item_struct.h"
#include "general.h"
class SCH_EDIT_FRAME;
class SCH_COMPONENT;
class LIB_FIELD;
/**
* Class SCH_FIELD
* instances are attached to a component and provide a place for the component's value,
* reference designator, footprint, and user definable name-value pairs of arbitrary purpose.
*
* <ul> <li>Field 0 is reserved for the component reference.</li>
* <li>Field 1 is reserved for the component value.</li>
* <li>Field 2 is reserved for the component footprint.</li>
* <li>Field 3 is reserved for the component data sheet file.</li>
* <li>Fields 4 and higher are user defineable.</li></ul>
*/
class SCH_FIELD : public SCH_ITEM, public EDA_TEXT
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{
public:
int m_FieldId; ///< Field index, @see enum NumFieldType
wxString m_Name;
bool m_AddExtraText; /**< for REFERENCE, add extra info
* (for REFERENCE: add part selection text */
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public:
SCH_FIELD( const wxPoint& aPos, int aFieldId, SCH_COMPONENT* aParent,
wxString aName = wxEmptyString );
SCH_FIELD( const SCH_FIELD& aField );
~SCH_FIELD();
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virtual wxString GetClass() const
{
return wxT( "SCH_FIELD" );
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}
/**
* Function GetName
* returns the field name. If the field name is empty, the default field name is
* returned. Field names are VALUE, REFERENCE, etc.
* @return The name of the field.
*/
wxString GetName() const;
int GetId() const { return m_FieldId; }
void Place( SCH_EDIT_FRAME* frame, wxDC* DC );
EDA_RECT GetBoundingBox() const;
/**
* Function IsVoid
* returns true if the field is either empty or holds "~".
*/
bool IsVoid() const
{
size_t len = m_Text.Len();
return len == 0 || ( len == 1 && m_Text[0] == wxChar( '~' ) );
}
/**
* Function SwapData
* exchanges the date between the field and \a aField.
*
* @param aField The field to exchange data with.
*/
void SwapData( SCH_FIELD* aField );
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/**
* Function ImportValues
* copy parameters from a source.
* Pointers and specific values (position) are not copied
* @param aSource = the LIB_FIELD to read
*/
void ImportValues( const LIB_FIELD& aSource );
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/**
* Function GetPenSize
* @return the size of the "pen" that be used to draw or plot this item
*/
int GetPenSize() const;
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/**
* Function IsVisible
* @return true is this field is visible, false if flagged invisible
*/
bool IsVisible() const
{
return (m_Attributs & TEXT_NO_VISIBLE) == 0 ? true : false;
}
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/**
* Function Draw
*/
void Draw( EDA_DRAW_PANEL* aPanel,
wxDC* aDC,
const wxPoint& aOffset,
int aDrawMode,
int aColor = -1 );
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/**
* Function Save
* writes the data structures for this object out to a FILE in "*.sch"
* format.
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* @param aFile The FILE to write to.
* @return bool - true if success writing else false.
*/
bool Save( FILE* aFile ) const;
// Geometric transforms (used in block operations):
/** virtual function Move
* move item to a new position.
* @param aMoveVector = the displacement vector
*/
virtual void Move( const wxPoint& aMoveVector )
{
m_Pos += aMoveVector;
}
virtual void Rotate( wxPoint rotationPoint );
virtual void Mirror_X( int aXaxis_position )
{
/* Do Nothing: fields are never mirrored alone.
* they are moved when the parent component is mirrored
* this function is only needed by the virtual pure function of the
* master class */
}
/** virtual function Mirror_Y
* mirror item relative to an Y axis
* @param aYaxis_position = the y axis position
*/
virtual void Mirror_Y( int aYaxis_position )
{
/* Do Nothing: fields are never mirrored alone.
* they are moved when the parent component is mirrored
* this function is only needed by the virtual pure function of the
* master class */
}
/**
* Compare schematic field text against search string.
*
* @param aSearchData - Criteria to search against.
* @param aAuxData - a pointer on auxiliary data, if needed.
* the sheet path is needed for REFERENCE field because m_Text
* value is just the value displayed, and in complex hierarchies
* this is only one of all references (one per sheet path)
* @param aFindLocation - a wxPoint where to put the location of matched item. can be NULL.
* @return True if this field text matches the search criteria.
*/
virtual bool Matches( wxFindReplaceData& aSearchData,
void* aAuxData, wxPoint* aFindLocation );
virtual wxString GetSelectMenuText() const;
virtual BITMAP_DEF GetMenuImage() const;
private:
virtual bool doHitTest( const wxPoint& aPoint, int aAccuracy ) const;
virtual bool doHitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy ) const;
virtual EDA_ITEM* doClone() const;
virtual void doPlot( PLOTTER* aPlotter );
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};
#endif /* CLASS_SCH_FIELD_H */