kicad/eeschema/sch_pin.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2018 CERN
* Copyright (C) 2019-2022 KiCad Developers, see AUTHORS.txt for contributors.
* @author Jon Evans <jon@craftyjon.com>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include <lib_pin.h>
#include <sch_symbol.h>
#include <sch_pin.h>
#include <schematic.h>
#include <schematic_settings.h>
#include <sch_sheet_path.h>
#include <sch_edit_frame.h>
#include "string_utils.h"
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SCH_PIN::SCH_PIN( LIB_PIN* aLibPin, SCH_SYMBOL* aParentSymbol ) :
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SCH_ITEM( aParentSymbol, SCH_PIN_T )
{
m_layer = LAYER_PIN;
m_alt = wxEmptyString;
m_number = aLibPin->GetNumber();
m_libPin = aLibPin;
SetPosition( aLibPin->GetPosition() );
m_isDangling = true;
}
/**
* Create a proxy pin from an alternate pin designation.
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* The LIB_PIN data will be filled in when the pin is resolved (see SCH_SYMBOL::UpdatePins).
*/
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SCH_PIN::SCH_PIN( SCH_SYMBOL* aParentSymbol, const wxString& aNumber, const wxString& aAlt ) :
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SCH_ITEM( aParentSymbol, SCH_PIN_T )
{
m_layer = LAYER_PIN;
m_alt = aAlt;
m_number = aNumber;
m_libPin = nullptr;
m_isDangling = true;
}
SCH_PIN::SCH_PIN( const SCH_PIN& aPin ) :
SCH_ITEM( aPin )
{
m_layer = aPin.m_layer;
m_alt = aPin.m_alt;
m_number = aPin.m_number;
m_libPin = aPin.m_libPin;
m_position = aPin.m_position;
m_isDangling = aPin.m_isDangling;
}
SCH_PIN& SCH_PIN::operator=( const SCH_PIN& aPin )
{
SCH_ITEM::operator=( aPin );
m_alt = aPin.m_alt;
m_number = aPin.m_number;
m_libPin = aPin.m_libPin;
m_position = aPin.m_position;
m_isDangling = aPin.m_isDangling;
return *this;
}
wxString SCH_PIN::GetName() const
{
if( !m_alt.IsEmpty() )
return m_alt;
return m_libPin->GetName();
}
wxString SCH_PIN::GetShownName() const
{
wxString name = m_libPin->GetName();
if( !m_alt.IsEmpty() )
name = m_alt;
if( name == "~" )
return wxEmptyString;
else
return name;
}
wxString SCH_PIN::GetShownNumber() const
{
if( m_number == "~" )
return wxEmptyString;
else
return m_number;
}
ELECTRICAL_PINTYPE SCH_PIN::GetType() const
{
if( !m_alt.IsEmpty() )
return m_libPin->GetAlt( m_alt ).m_Type;
return m_libPin->GetType();
}
GRAPHIC_PINSHAPE SCH_PIN::GetShape() const
{
if( !m_alt.IsEmpty() )
return m_libPin->GetAlt( m_alt ).m_Shape;
return m_libPin->GetShape();
}
int SCH_PIN::GetOrientation() const
{
return m_libPin->GetOrientation();
}
int SCH_PIN::GetLength() const
{
return m_libPin->GetLength();
}
void SCH_PIN::ViewGetLayers( int aLayers[], int& aCount ) const
{
aCount = 3;
aLayers[0] = LAYER_DANGLING;
aLayers[1] = LAYER_DEVICE;
aLayers[2] = LAYER_SELECTION_SHADOWS;
}
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bool SCH_PIN::Matches( const wxFindReplaceData& aSearchData, void* aAuxDat ) const
{
if( !( aSearchData.GetFlags() & FR_SEARCH_ALL_PINS ) )
return false;
return EDA_ITEM::Matches( GetName(), aSearchData )
|| EDA_ITEM::Matches( GetNumber(), aSearchData );
}
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bool SCH_PIN::Replace( const wxFindReplaceData& aSearchData, void* aAuxData )
{
bool isReplaced = false;
/* TODO: waiting on a way to override pins in the schematic...
isReplaced |= EDA_ITEM::Replace( aSearchData, m_name );
isReplaced |= EDA_ITEM::Replace( aSearchData, m_number );
*/
return isReplaced;
}
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SCH_SYMBOL* SCH_PIN::GetParentSymbol() const
{
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return static_cast<SCH_SYMBOL*>( GetParent() );
}
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wxString SCH_PIN::GetSelectMenuText( EDA_UNITS aUnits ) const
{
return wxString::Format( "%s %s",
GetParentSymbol()->GetSelectMenuText( aUnits ),
m_libPin->GetSelectMenuText( aUnits ) );
}
void SCH_PIN::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList )
{
EDA_UNITS units = aFrame->GetUserUnits();
wxString msg;
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aList.emplace_back( _( "Type" ), _( "Pin" ) );
if( m_libPin->GetConvert() == LIB_ITEM::LIB_CONVERT::BASE )
msg = _( "no" );
else if( m_libPin->GetConvert() == LIB_ITEM::LIB_CONVERT::DEMORGAN )
msg = _( "yes" );
else
msg = wxT( "?" );
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aList.emplace_back( _( "Converted" ), msg );
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aList.emplace_back( _( "Name" ), GetShownName() );
aList.emplace_back( _( "Number" ), GetShownNumber() );
aList.emplace_back( _( "Type" ), ElectricalPinTypeGetText( GetType() ) );
aList.emplace_back( _( "Style" ), PinShapeGetText( GetShape() ) );
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aList.emplace_back( _( "Visible" ), IsVisible() ? _( "Yes" ) : _( "No" ) );
aList.emplace_back( _( "Length" ), MessageTextFromValue( units, GetLength() ), true );
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int i = PinOrientationIndex( GetOrientation() );
aList.emplace_back( _( "Orientation" ), PinOrientationName( (unsigned) i ) );
SCH_EDIT_FRAME* schframe = dynamic_cast<SCH_EDIT_FRAME*>( aFrame );
SCH_SHEET_PATH* currentSheet = schframe ? &schframe->GetCurrentSheet() : nullptr;
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SCH_SYMBOL* symbol = GetParentSymbol();
aList.emplace_back( symbol->GetRef( currentSheet ), symbol->GetValue( currentSheet, true ) );
#if defined(DEBUG)
if( !IsConnectivityDirty() && dynamic_cast<SCH_EDIT_FRAME*>( aFrame ) )
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{
SCH_CONNECTION* conn = Connection();
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if( conn )
conn->AppendInfoToMsgPanel( aList );
}
#endif
}
void SCH_PIN::ClearDefaultNetName( const SCH_SHEET_PATH* aPath )
{
std::lock_guard<std::recursive_mutex> lock( m_netmap_mutex );
if( aPath )
m_net_name_map.erase( *aPath );
else
m_net_name_map.clear();
}
wxString SCH_PIN::GetDefaultNetName( const SCH_SHEET_PATH& aPath, bool aForceNoConnect )
{
if( m_libPin->IsPowerConnection() )
return m_libPin->GetName();
std::lock_guard<std::recursive_mutex> lock( m_netmap_mutex );
auto it = m_net_name_map.find( aPath );
if( it != m_net_name_map.end() )
{
if( it->second.second == aForceNoConnect )
return it->second.first;
}
wxString name = "Net-(";
if( aForceNoConnect || GetType() == ELECTRICAL_PINTYPE::PT_NC )
name = ( "unconnected-(" );
bool annotated = true;
// Use timestamp for unannotated symbols
if( GetParentSymbol()->GetRef( &aPath, false ).Last() == '?' )
{
name << GetParentSymbol()->m_Uuid.AsString();
name << "-Pad" << m_libPin->GetNumber() << ")";
annotated = false;
}
else if( !m_libPin->GetShownName().IsEmpty()
&& m_libPin->GetShownName() != m_libPin->GetShownNumber() )
{
// Pin names might not be unique between different units so we must have the
// unit token in the reference designator
name << GetParentSymbol()->GetRef( &aPath, true );
name << "-" << EscapeString( m_libPin->GetShownName(), CTX_NETNAME ) << ")";
}
else
{
// Pin numbers are unique, so we skip the unit token
name << GetParentSymbol()->GetRef( &aPath, false );
name << "-Pad" << EscapeString( m_libPin->GetShownNumber(), CTX_NETNAME ) << ")";
}
if( annotated )
m_net_name_map[ aPath ] = std::make_pair( name, aForceNoConnect );
return name;
}
VECTOR2I SCH_PIN::GetTransformedPosition() const
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{
TRANSFORM t = GetParentSymbol()->GetTransform();
return t.TransformCoordinate( GetLocalPosition() ) + GetParentSymbol()->GetPosition();
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}
const EDA_RECT SCH_PIN::GetBoundingBox() const
{
TRANSFORM t = GetParentSymbol()->GetTransform();
EDA_RECT r = m_libPin->GetBoundingBox();
r.RevertYAxis();
r = t.TransformCoordinate( r );
r.Offset( GetParentSymbol()->GetPosition() );
return r;
}
bool SCH_PIN::HitTest( const VECTOR2I& aPosition, int aAccuracy ) const
{
// When looking for an "exact" hit aAccuracy will be 0 which works poorly if the pin has
// no pin number or name. Give it a floor.
if( Schematic() )
aAccuracy = std::max( aAccuracy, Schematic()->Settings().m_PinSymbolSize / 4 );
EDA_RECT rect = GetBoundingBox();
return rect.Inflate( aAccuracy ).Contains( aPosition );
}
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EDA_ITEM* SCH_PIN::Clone() const
{
return new SCH_PIN( *this );
}
bool SCH_PIN::ConnectionPropagatesTo( const EDA_ITEM* aItem ) const
{
// Reciprocal checking is done in CONNECTION_GRAPH anyway
return !( m_libPin->GetType() == ELECTRICAL_PINTYPE::PT_NC );
}