kicad/eeschema/sch_sheet_pin.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
* Copyright (C) 1992-2021 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 SCH_SHEEET_PIN_H
#define SCH_SHEEET_PIN_H
#include <sch_label.h>
class KIID;
class LINE_READER;
class SCH_SHEET;
/**
* Define the edge of the sheet that the sheet pin is positioned.
*
* SHEET_LEFT_SIDE = 0: pin on left side
* SHEET_RIGHT_SIDE = 1: pin on right side
* SHEET_TOP_SIDE = 2: pin on top side
* SHEET_BOTTOM_SIDE =3: pin on bottom side
*
* For compatibility reasons, this does not follow same values as text orientation.
*/
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enum class SHEET_SIDE
{
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LEFT = 0,
RIGHT,
TOP,
BOTTOM,
UNDEFINED
};
/**
* Define a sheet pin (label) used in sheets to create hierarchical schematics.
*
* A SCH_SHEET_PIN is used to create a hierarchical sheet in the same way a
* pin is used in a symbol. It connects the objects in the sheet object
* to the objects in the schematic page to the objects in the page that is
* represented by the sheet. In a sheet object, a SCH_SHEET_PIN must be
* connected to a wire, bus, or label. In the schematic page represented by
* the sheet, it corresponds to a hierarchical label.
*/
class SCH_SHEET_PIN : public SCH_HIERLABEL
{
public:
SCH_SHEET_PIN( SCH_SHEET* parent, const VECTOR2I& pos = VECTOR2I( 0, 0 ),
const wxString& text = wxEmptyString );
// Do not create a copy constructor. The one generated by the compiler is adequate.
~SCH_SHEET_PIN() { }
static inline bool ClassOf( const EDA_ITEM* aItem )
{
return aItem && SCH_SHEET_PIN_T == aItem->Type();
}
wxString GetClass() const override
{
return wxT( "SCH_SHEET_PIN" );
}
bool operator ==( const SCH_SHEET_PIN* aPin ) const;
static SHEET_SIDE GetOppositeSide( SHEET_SIDE aSide )
{
switch( aSide )
{
case SHEET_SIDE::TOP: return SHEET_SIDE::BOTTOM;
case SHEET_SIDE::BOTTOM: return SHEET_SIDE::TOP;
case SHEET_SIDE::LEFT: return SHEET_SIDE::RIGHT;
case SHEET_SIDE::RIGHT: return SHEET_SIDE::LEFT;
default: return SHEET_SIDE::UNDEFINED;
}
}
/**
* Return true for items which are moved with the anchor point at mouse cursor
* and false for items moved with no reference to anchor (usually large items).
*
* @return true for a hierarchical sheet pin.
*/
bool IsMovableFromAnchorPoint() const override { return true; }
void Print( const RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset ) override;
/**
* Calculate the graphic shape (a polygon) associated to the text.
*
* @param aPoints is a buffer to fill with polygon corners coordinates.
* @param aPos is the position of the shape.
*/
void CreateGraphicShape( const RENDER_SETTINGS* aSettings, std::vector<VECTOR2I>& aPoints,
const VECTOR2I& aPos ) const override;
void SwapData( SCH_ITEM* aItem ) override;
int GetPenWidth() const override;
/**
* Get the sheet label number.
*
* @return Number of the sheet label.
*/
int GetNumber() const { return m_number; }
/**
* Set the sheet label number.
*
* @param aNumber New sheet number label.
*/
void SetNumber( int aNumber );
void SetSide( SHEET_SIDE aEdge );
SHEET_SIDE GetSide() const;
/**
* Adjust label position to edge based on proximity to vertical or horizontal edge
* of the parent sheet.
*/
void ConstrainOnEdge( VECTOR2I aPos, bool aAllowEdgeSwitch );
/**
* Get the parent sheet object of this sheet pin.
*
* @return The sheet that is the parent of this sheet pin or NULL if it does
* not have a parent.
*/
SCH_SHEET* GetParent() const { return (SCH_SHEET*) m_parent; }
#if defined(DEBUG)
void Show( int nestLevel, std::ostream& os ) const override;
#endif
// Geometric transforms (used in block operations):
void Move( const VECTOR2I& aMoveVector ) override
{
Offset( aMoveVector );
}
void MirrorVertically( int aCenter ) override;
void MirrorHorizontally( int aCenter ) override;
void Rotate( const VECTOR2I& aCenter ) override;
bool Matches( const EDA_SEARCH_DATA& aSearchData, void* aAuxData ) const override
{
return SCH_ITEM::Matches( GetText(), aSearchData );
}
bool Replace( const EDA_SEARCH_DATA& aSearchData, void* aAuxData = nullptr ) override
{
return EDA_TEXT::Replace( aSearchData );
}
bool IsReplaceable() const override { return true; }
void GetEndPoints( std::vector< DANGLING_END_ITEM >& aItemList ) override;
bool IsConnectable() const override { return true; }
wxString GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const override;
BITMAPS GetMenuImage() const override;
void SetPosition( const VECTOR2I& aPosition ) override
{
ConstrainOnEdge( aPosition, true );
}
bool IsPointClickableAnchor( const VECTOR2I& aPos ) const override
{
return m_isDangling && GetPosition() == aPos;
}
bool HitTest( const VECTOR2I& aPosition, int aAccuracy = 0 ) const override;
EDA_ITEM* Clone() const override;
private:
int m_number; ///< Label number use for saving sheet label to file.
///< Sheet label numbering begins at 2.
///< 0 is reserved for the sheet name.
///< 1 is reserve for the sheet file name.
SHEET_SIDE m_edge;
};
#endif // SCH_SHEEET_PIN_H