kicad/eeschema/sch_field.h

233 lines
6.9 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
* Copyright (C) 2004-2011 KiCad Developers, see change_log.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 sch_field.h
* @brief Definition of the SCH_FIELD class for Eeschema.
*/
#ifndef CLASS_SCH_FIELD_H
#define CLASS_SCH_FIELD_H
#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>Field 4 and higher are user defineable.</li></ul>
*/
class SCH_FIELD : public SCH_ITEM, public EDA_TEXT
{
int m_id; ///< Field index, @see enum NumFieldType
wxString m_name;
public:
SCH_FIELD( const wxPoint& aPos, int aFieldId, SCH_COMPONENT* aParent,
wxString aName = wxEmptyString );
// Do not create a copy constructor. The one generated by the compiler is adequate.
~SCH_FIELD();
virtual wxString GetClass() const
{
return wxT( "SCH_FIELD" );
}
/**
* Function GetName
* returns the field name.
*
* @param aUseDefaultName When true return the default field name if the field name is
* empty. Otherwise the default field name is returned.
* @return A wxString object containing the name of the field.
*/
wxString GetName( bool aUseDefaultName = true ) const;
void SetName( const wxString& aName ) { m_name = aName; }
int GetId() const { return m_id; }
void SetId( int aId ) { m_id = aId; }
/**
* Function GetText
* overrides the default implementation to allow for the part suffix to be added
* to the reference designator field if the component has multiple parts.
*
* @return a const wxString object containing the field's string.
*/
virtual const wxString GetText() const;
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 aItem
*
* @param aItem The field to exchange data with.
*/
virtual void SwapData( SCH_ITEM* aItem );
/**
* 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 );
/**
* Function GetPenSize
* @return the size of the "pen" that be used to draw or plot this item
*/
int GetPenSize() const;
/**
* 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;
}
/**
* Function Draw
*/
void Draw( EDA_DRAW_PANEL* aPanel,
wxDC* aDC,
const wxPoint& aOffset,
int aDrawMode,
int aColor = -1 );
/**
* Function Save
* writes the data structures for this object out to a FILE in "*.sch"
* format.
* @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 */
}
/**
* @copydoc EDA_ITEM::Matches(wxFindReplaceData&,void*,wxPoint*)
*/
virtual bool Matches( wxFindReplaceData& aSearchData,
void* aAuxData, wxPoint* aFindLocation );
/**
* @copydoc EDA_ITEM::Replace(wxFindReplaceData&,void*)
*/
virtual bool Replace( wxFindReplaceData& aSearchData, void* aAuxData = NULL );
virtual wxString GetSelectMenuText() const;
virtual BITMAP_DEF GetMenuImage() const;
/**
* @copydoc EDA_ITEM::IsReplaceable()
*/
virtual bool IsReplaceable() const { return true; }
#if defined(DEBUG)
void Show( int nestLevel, std::ostream& os ) const { ShowDummy( os ); } // override
#endif
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 );
virtual wxPoint doGetPosition() const;
virtual void doSetPosition( const wxPoint& aPosition );
};
#endif /* CLASS_SCH_FIELD_H */