kicad/eeschema/sch_pin.cpp

135 lines
3.7 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2018 CERN
* Copyright (C) 2019 KiCad Developers, see change_log.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_component.h>
#include <sch_pin.h>
#include <sch_sheet_path.h>
SCH_PIN::SCH_PIN( LIB_PIN* aLibPin, SCH_COMPONENT* aParentComponent ) :
SCH_ITEM( aParentComponent, SCH_PIN_T ),
m_libPin( aLibPin )
{
SetPosition( aLibPin->GetPosition() );
m_isDangling = true;
}
SCH_PIN::SCH_PIN( const SCH_PIN& aPin ) :
SCH_ITEM( aPin )
{
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_libPin = aPin.m_libPin;
m_position = aPin.m_position;
m_isDangling = aPin.m_isDangling;
return *this;
}
SCH_COMPONENT* SCH_PIN::GetParentComponent() const
{
return static_cast<SCH_COMPONENT*>( GetParent() );
}
wxString SCH_PIN::GetSelectMenuText( EDA_UNITS_T aUnits ) const
{
return wxString::Format( "%s %s",
GetParentComponent()->GetSelectMenuText( aUnits ),
m_libPin->GetSelectMenuText( aUnits ) );
}
void SCH_PIN::GetMsgPanelInfo( EDA_UNITS_T aUnits, MSG_PANEL_ITEMS& aList )
{
m_libPin->GetMsgPanelInfo( aUnits, aList, GetParentComponent() );
}
wxString SCH_PIN::GetDefaultNetName( const SCH_SHEET_PATH aPath )
{
if( m_libPin->IsPowerConnection() )
return m_libPin->GetName();
std::lock_guard<std::mutex> lock( m_netmap_mutex );
if( m_net_name_map.count( aPath ) > 0 )
return m_net_name_map.at( aPath );
wxString name = "Net-(";
name << GetParentComponent()->GetRef( &aPath );
// TODO(JE) do we need adoptTimestamp?
if( /* adoptTimestamp && */ name.Last() == '?' )
name << GetParentComponent()->GetTimeStamp();
name << "-Pad" << m_libPin->GetNumber() << ")";
m_net_name_map[ aPath ] = name;
return name;
}
wxPoint SCH_PIN::GetTransformedPosition() const
{
TRANSFORM t = GetParentComponent()->GetTransform();
return ( t.TransformCoordinate( GetPosition() ) + GetParentComponent()->GetPosition() );
}
const EDA_RECT SCH_PIN::GetBoundingBox() const
{
// Due to pins being relative to their component parent's position, this is unlikely
// to do what a caller wants. Use HitTest() directly instead.
wxFAIL_MSG( "SCH_PINs bounding box is relative to parent component" );
return m_libPin->GetBoundingBox();
}
bool SCH_PIN::HitTest( const wxPoint& aPosition ) const
{
// Pin hit testing is relative to the components position and orientation in the
// schematic. The hit test position must be converted to library coordinates.
TRANSFORM t = GetParentComponent()->GetTransform().InverseTransform();
wxPoint pos = t.TransformCoordinate( aPosition - GetParentComponent()->GetPosition() );
pos.y *= -1; // Y axis polarity in schematic is inverted from library.
return m_libPin->GetBoundingBox().Contains( pos );
}