sch_bus_entry.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2004 Jean-Pierre Charras, [email protected]
 * Copyright (C) 2004-2021 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
 */
 
#ifndef _SCH_BUS_ENTRY_H_
#define _SCH_BUS_ENTRY_H_
 
#include <gal/color4d.h>
#include <sch_item.h>
 
#define TARGET_BUSENTRY_RADIUS schIUScale.MilsToIU( 12 ) // Circle diameter drawn at the ends
 
 
class SCH_BUS_ENTRY_BASE : public SCH_ITEM
{
public:
 SCH_BUS_ENTRY_BASE( KICAD_T aType, const VECTOR2I& pos = VECTOR2I( 0, 0 ),
 bool aFlipY = false );
 
 bool IsDanglingStart() const { return m_isDanglingStart; }
 bool IsDanglingEnd() const { return m_isDanglingEnd; }
 
 // Do not create a copy constructor. The one generated by the compiler is adequate.
 
 ~SCH_BUS_ENTRY_BASE() { }
 
 void SetLastResolvedState( const SCH_ITEM* aItem ) override
 {
 const SCH_BUS_ENTRY_BASE* aEntry = dynamic_cast<const SCH_BUS_ENTRY_BASE*>( aItem );
 
 if( aEntry )
 {
 m_lastResolvedWidth = aEntry->m_lastResolvedWidth;
 m_lastResolvedLineStyle = aEntry->m_lastResolvedLineStyle;
 m_lastResolvedColor = aEntry->m_lastResolvedColor;
 }
 }
 
 bool IsMovableFromAnchorPoint() const override { return false; }
 
 VECTOR2I GetEnd() const;
 
 VECTOR2I GetSize() const { return m_size; }
 void SetSize( const VECTOR2I& aSize ) { m_size = aSize; }
 
 void SetPenWidth( int aWidth );
 
 virtual bool HasLineStroke() const override { return true; }
 virtual STROKE_PARAMS GetStroke() const override { return m_stroke; }
 virtual void SetStroke( const STROKE_PARAMS& aStroke ) override { m_stroke = aStroke; }
 
 PLOT_DASH_TYPE GetLineStyle() const;
 void SetLineStyle( PLOT_DASH_TYPE aStyle );
 
 COLOR4D GetBusEntryColor() const;
 void SetBusEntryColor( const COLOR4D& aColor );
 
 void SwapData( SCH_ITEM* aItem ) override;
 
 void ViewGetLayers( int aLayers[], int& aCount ) const override;
 
 void Print( const RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset ) override;
 
 const BOX2I GetBoundingBox() const override;
 
 void Move( const VECTOR2I& aMoveVector ) override
 {
 m_pos += aMoveVector;
 }
 
 void MirrorHorizontally( int aCenter ) override;
 void MirrorVertically( int aCenter ) override;
 void Rotate( const VECTOR2I& aCenter ) override;
 
 bool IsDangling() const override;
 
 bool IsConnectable() const override { return true; }
 
 std::vector<VECTOR2I> GetConnectionPoints() const override;
 
 VECTOR2I GetPosition() const override { return m_pos; }
 void SetPosition( const VECTOR2I& aPosition ) override { m_pos = aPosition; }
 
 bool HitTest( const VECTOR2I& aPosition, int aAccuracy = 0 ) const override;
 bool IsPointClickableAnchor( const VECTOR2I& aPos ) const override
 {
 return ( GetPosition() == aPos && IsDanglingStart() )
 || ( GetEnd() == aPos && IsDanglingEnd() );
 }
 
 bool HitTest( const BOX2I& aRect, bool aContained, int aAccuracy = 0 ) const override;
 
 void Plot( PLOTTER* aPlotter, bool aBackground ) const override;
 
 void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
 
 bool operator <( const SCH_ITEM& aItem ) const override;
 
#if defined(DEBUG)
 void Show( int nestLevel, std::ostream& os ) const override { ShowDummy( os ); }
#endif
 
private:
 bool doIsConnected( const VECTOR2I& aPosition ) const override;
 
protected:
 VECTOR2I m_pos;
 VECTOR2I m_size;
 bool m_isDanglingStart;
 bool m_isDanglingEnd;
 STROKE_PARAMS m_stroke;
 
 // If real-time connectivity gets disabled (due to being too slow on a particular
 // design), we can no longer rely on getting the NetClass to find netclass-specific
 // linestyles, linewidths and colors.
 mutable PLOT_DASH_TYPE m_lastResolvedLineStyle;
 mutable int m_lastResolvedWidth;
 mutable COLOR4D m_lastResolvedColor;
};
 
class SCH_BUS_WIRE_ENTRY : public SCH_BUS_ENTRY_BASE
{
public:
 SCH_BUS_WIRE_ENTRY( const VECTOR2I& pos = VECTOR2I( 0, 0 ), bool aFlipY = false );
 
 SCH_BUS_WIRE_ENTRY( const VECTOR2I& pos, int aQuadrant );
 
 ~SCH_BUS_WIRE_ENTRY() { }
 
 static inline bool ClassOf( const EDA_ITEM* aItem )
 {
 return aItem && SCH_BUS_WIRE_ENTRY_T == aItem->Type();
  }
 
 wxString GetClass() const override
 {
 return wxT( "SCH_BUS_WIRE_ENTRY" );
 }
 
 int GetPenWidth() const override;
 
 void GetEndPoints( std::vector< DANGLING_END_ITEM >& aItemList ) override;
 
 bool CanConnect( const SCH_ITEM* aItem ) const override
 {
 return aItem->Type() == SCH_LINE_T &&
 ( aItem->GetLayer() == LAYER_WIRE || aItem->GetLayer() == LAYER_BUS );
 }
 
 wxString GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const override;
 
 EDA_ITEM* Clone() const override;
 
 virtual bool ConnectionPropagatesTo( const EDA_ITEM* aItem ) const override;
 
 BITMAPS GetMenuImage() const override;
 
 bool UpdateDanglingState( std::vector<DANGLING_END_ITEM>& aItemList,
 const SCH_SHEET_PATH* aPath = nullptr ) override;
 
 SCH_ITEM* m_connected_bus_item;
};
 
class SCH_BUS_BUS_ENTRY : public SCH_BUS_ENTRY_BASE
{
public:
 SCH_BUS_BUS_ENTRY( const VECTOR2I& pos = VECTOR2I( 0, 0 ), bool aFlipY = false );
 
 ~SCH_BUS_BUS_ENTRY() { }
 
 static inline bool ClassOf( const EDA_ITEM* aItem )
 {
 return aItem && SCH_BUS_BUS_ENTRY_T == aItem->Type();
 }
 
 wxString GetClass() const override
 {
 return wxT( "SCH_BUS_BUS_ENTRY" );
 }
 
 int GetPenWidth() const override;
 
 void GetEndPoints( std::vector< DANGLING_END_ITEM >& aItemList ) override;
 
 bool CanConnect( const SCH_ITEM* aItem ) const override
 {
 return aItem->Type() == SCH_LINE_T && aItem->GetLayer() == LAYER_BUS;
 }
 
 wxString GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const override;
 
 EDA_ITEM* Clone() const override;
 
 BITMAPS GetMenuImage() const override;
 
 bool UpdateDanglingState( std::vector<DANGLING_END_ITEM>& aItemList,
 const SCH_SHEET_PATH* aPath = nullptr ) override;
 
 SCH_ITEM* m_connected_bus_items[2];
};
 
#endif // _SCH_BUS_ENTRY_H_