kicad/pcbnew/board_connected_item.cpp

223 lines
7.5 KiB
C++

/*
* 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) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 1992-2020 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
*/
#include <fctsys.h>
#include <class_board.h>
#include <class_board_item.h>
#include <connectivity/connectivity_data.h>
using namespace std::placeholders;
BOARD_CONNECTED_ITEM::BOARD_CONNECTED_ITEM( BOARD_ITEM* aParent, KICAD_T idtype ) :
BOARD_ITEM( aParent, idtype ), m_netinfo( NETINFO_LIST::OrphanedItem() )
{
m_localRatsnestVisible = true;
}
bool BOARD_CONNECTED_ITEM::SetNetCode( int aNetCode, bool aNoAssert )
{
if( !IsOnCopperLayer() )
aNetCode = 0;
// if aNetCode < 0 ( typically NETINFO_LIST::FORCE_ORPHANED )
// or no parent board,
// set the m_netinfo to the dummy NETINFO_LIST::ORPHANED
BOARD* board = GetBoard();
if( ( aNetCode >= 0 ) && board )
m_netinfo = board->FindNet( aNetCode );
else
m_netinfo = NETINFO_LIST::OrphanedItem();
if( !aNoAssert )
wxASSERT( m_netinfo );
return ( m_netinfo != NULL );
}
// This method returns the Default netclass for nets which don't have their own.
NETCLASS* BOARD_CONNECTED_ITEM::GetEffectiveNetclass() const
{
// NB: we must check the net first, as when it is 0 GetNetClass() will return the
// orphaned net netclass, not the default netclass.
if( m_netinfo->GetNet() == 0 )
return GetBoard()->GetDesignSettings().GetDefault();
else
return GetNetClass();
}
/*
* Clearances exist in a hiearchy. If a given level is specified then the remaining levels
* are NOT consulted.
*
* LEVEL 1: (highest priority) local overrides (pad, footprint, etc.)
* LEVEL 2: Rules
* LEVEL 3: Accumulated local settings, netclass settings, & board design settings
*/
int BOARD_CONNECTED_ITEM::GetClearance( PCB_LAYER_ID aLayer, BOARD_ITEM* aItem,
wxString* aSource ) const
{
BOARD* board = GetBoard();
int clearance = 0;
wxString source;
wxString* localSource = aSource ? &source : nullptr;
BOARD_CONNECTED_ITEM* second = dynamic_cast<BOARD_CONNECTED_ITEM*>( aItem );
// No clearance if "this" is not (yet) linked to a board therefore no available netclass
if( !board )
return clearance;
// LEVEL 1: local overrides (pad, footprint, etc.)
//
if( GetLocalClearanceOverrides() > clearance )
clearance = GetLocalClearanceOverrides( localSource );
if( second && second->GetLocalClearanceOverrides() > clearance )
clearance = second->GetLocalClearanceOverrides( localSource );
if( clearance )
{
if( aSource )
*aSource = *localSource;
return clearance;
}
// LEVEL 2: Rules
//
if( GetRuleClearance( aItem, aLayer, &clearance, aSource ) )
return clearance;
// LEVEL 3: Accumulated local settings, netclass settings, & board design settings
//
BOARD_DESIGN_SETTINGS& bds = board->GetDesignSettings();
NETCLASS* netclass = GetEffectiveNetclass();
NETCLASS* secondNetclass = second ? second->GetEffectiveNetclass() : nullptr;
if( bds.m_MinClearance > clearance )
{
if( aSource )
*aSource = _( "board minimum" );
clearance = bds.m_MinClearance;
}
if( netclass && netclass->GetClearance() > clearance )
clearance = netclass->GetClearance( aSource );
if( secondNetclass && secondNetclass->GetClearance() > clearance )
clearance = secondNetclass->GetClearance( aSource );
if( aItem && aItem->GetLayer() == Edge_Cuts && bds.m_CopperEdgeClearance > clearance )
{
if( aSource )
*aSource = _( "board edge" );
clearance = bds.m_CopperEdgeClearance;
}
if( GetLocalClearance() > clearance )
clearance = GetLocalClearance( aSource );
if( second && second->GetLocalClearance() > clearance )
clearance = second->GetLocalClearance( aSource );
return clearance;
}
bool BOARD_CONNECTED_ITEM::GetRuleClearance( BOARD_ITEM* aItem, PCB_LAYER_ID aLayer,
int* aClearance, wxString* aSource ) const
{
const DRC_CONSTRAINT* constraint = GetConstraint( this, aItem, DRC_RULE_ID_CLEARANCE, aLayer,
aSource );
if( constraint )
{
if( aSource )
*aSource = wxString::Format( _( "'%s' rule" ), *aSource );
*aClearance = constraint->m_Value.Min();
return true;
}
return false;
}
// Note: do NOT return a std::shared_ptr from this. It is used heavily in DRC, and the
// std::shared_ptr stuff shows up large in performance profiling.
NETCLASS* BOARD_CONNECTED_ITEM::GetNetClass() const
{
NETCLASS* netclass = m_netinfo->GetNetClass();
if( netclass )
return netclass;
else
return GetBoard()->GetDesignSettings().GetDefault();
}
wxString BOARD_CONNECTED_ITEM::GetNetClassName() const
{
return m_netinfo->GetClassName();
}
static struct BOARD_CONNECTED_ITEM_DESC
{
BOARD_CONNECTED_ITEM_DESC()
{
ENUM_MAP<PCB_LAYER_ID>& layerEnum = ENUM_MAP<PCB_LAYER_ID>::Instance();
if( layerEnum.Choices().GetCount() == 0 )
{
layerEnum.Undefined( UNDEFINED_LAYER );
for( LSEQ seq = LSET::AllLayersMask().Seq(); seq; ++seq )
layerEnum.Map( *seq, LSET::Name( *seq ) );
}
PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
REGISTER_TYPE( BOARD_CONNECTED_ITEM );
propMgr.InheritsAfter( TYPE_HASH( BOARD_CONNECTED_ITEM ), TYPE_HASH( BOARD_ITEM ) );
propMgr.ReplaceProperty( TYPE_HASH( BOARD_ITEM ), _( "Layer" ),
new PROPERTY_ENUM<BOARD_CONNECTED_ITEM, PCB_LAYER_ID, BOARD_ITEM>( _( "Layer" ),
&BOARD_CONNECTED_ITEM::SetLayer, &BOARD_CONNECTED_ITEM::GetLayer ) );
propMgr.AddProperty( new PROPERTY_ENUM<BOARD_CONNECTED_ITEM, int>( _( "Net" ),
&BOARD_CONNECTED_ITEM::SetNetCode, &BOARD_CONNECTED_ITEM::GetNetCode ) );
propMgr.AddProperty( new PROPERTY<BOARD_CONNECTED_ITEM, wxString>( _( "NetName" ),
NO_SETTER( BOARD_CONNECTED_ITEM, wxString ), &BOARD_CONNECTED_ITEM::GetNetname ) );
propMgr.AddProperty( new PROPERTY<BOARD_CONNECTED_ITEM, wxString>( _( "NetClass" ),
NO_SETTER( BOARD_CONNECTED_ITEM, wxString ), &BOARD_CONNECTED_ITEM::GetNetClassName ) );
}
} _BOARD_CONNECTED_ITEM_DESC;