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456 lines
12 KiB
456 lines
12 KiB
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2004 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 2004-2019 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <fctsys.h>
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#include <gr_basic.h>
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#include <macros.h>
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#include <sch_draw_panel.h>
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#include <trigo.h>
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#include <common.h>
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#include <richio.h>
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#include <plotter.h>
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#include <bitmaps.h>
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#include <eeschema_config.h>
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#include <general.h>
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#include <sch_bus_entry.h>
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#include <sch_line.h>
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#include <sch_text.h>
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#include <settings/color_settings.h>
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SCH_BUS_ENTRY_BASE::SCH_BUS_ENTRY_BASE( KICAD_T aType, const wxPoint& pos, char shape ) :
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SCH_ITEM( NULL, aType )
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{
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m_pos = pos;
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m_size.x = Mils2iu( 100 );
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m_size.y = Mils2iu( 100 );
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if( shape == '/' )
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m_size.y *= -1;
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m_isDanglingStart = m_isDanglingEnd = true;
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}
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SCH_BUS_WIRE_ENTRY::SCH_BUS_WIRE_ENTRY( const wxPoint& pos, char shape ) :
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SCH_BUS_ENTRY_BASE( SCH_BUS_WIRE_ENTRY_T, pos, shape )
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{
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m_Layer = LAYER_WIRE;
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m_connected_bus_item = nullptr;
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}
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SCH_BUS_BUS_ENTRY::SCH_BUS_BUS_ENTRY( const wxPoint& pos, char shape ) :
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SCH_BUS_ENTRY_BASE( SCH_BUS_BUS_ENTRY_T, pos, shape )
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{
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m_Layer = LAYER_BUS;
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m_connected_bus_items[0] = nullptr;
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m_connected_bus_items[1] = nullptr;
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}
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EDA_ITEM* SCH_BUS_WIRE_ENTRY::Clone() const
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{
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return new SCH_BUS_WIRE_ENTRY( *this );
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}
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EDA_ITEM* SCH_BUS_BUS_ENTRY::Clone() const
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{
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return new SCH_BUS_BUS_ENTRY( *this );
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}
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bool SCH_BUS_ENTRY_BASE::doIsConnected( const wxPoint& aPosition ) const
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{
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return ( m_pos == aPosition || m_End() == aPosition );
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}
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wxPoint SCH_BUS_ENTRY_BASE::m_End() const
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{
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return wxPoint( m_pos.x + m_size.x, m_pos.y + m_size.y );
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}
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void SCH_BUS_ENTRY_BASE::SwapData( SCH_ITEM* aItem )
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{
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SCH_BUS_ENTRY_BASE* item = dynamic_cast<SCH_BUS_ENTRY_BASE*>( aItem );
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wxCHECK_RET( item, wxT( "Cannot swap bus entry data with invalid item." ) );
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std::swap( m_pos, item->m_pos );
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std::swap( m_size, item->m_size );
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}
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void SCH_BUS_ENTRY_BASE::ViewGetLayers( int aLayers[], int& aCount ) const
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{
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aCount = 2;
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aLayers[0] = Type() == SCH_BUS_BUS_ENTRY_T ? LAYER_BUS : LAYER_WIRE;
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aLayers[1] = LAYER_SELECTION_SHADOWS;
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}
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const EDA_RECT SCH_BUS_ENTRY_BASE::GetBoundingBox() const
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{
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EDA_RECT box;
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box.SetOrigin( m_pos );
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box.SetEnd( m_End() );
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box.Normalize();
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box.Inflate( GetPenSize() / 2 );
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return box;
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}
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int SCH_BUS_WIRE_ENTRY::GetPenSize() const
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{
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return GetDefaultWireThickness();
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}
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int SCH_BUS_BUS_ENTRY::GetPenSize() const
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{
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return GetDefaultBusThickness();
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}
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void SCH_BUS_WIRE_ENTRY::GetEndPoints( std::vector< DANGLING_END_ITEM >& aItemList )
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{
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DANGLING_END_ITEM item( WIRE_ENTRY_END, this, m_pos );
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aItemList.push_back( item );
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DANGLING_END_ITEM item1( WIRE_ENTRY_END, this, m_End() );
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aItemList.push_back( item1 );
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}
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void SCH_BUS_BUS_ENTRY::GetEndPoints( std::vector< DANGLING_END_ITEM >& aItemList )
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{
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DANGLING_END_ITEM item( BUS_ENTRY_END, this, m_pos );
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aItemList.push_back( item );
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DANGLING_END_ITEM item1( BUS_ENTRY_END, this, m_End() );
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aItemList.push_back( item1 );
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}
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void SCH_BUS_ENTRY_BASE::Print( wxDC* aDC, const wxPoint& aOffset )
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{
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COLOR4D color = GetLayerColor( m_Layer );
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GRLine( nullptr, aDC, m_pos.x + aOffset.x, m_pos.y + aOffset.y, m_End().x + aOffset.x,
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m_End().y + aOffset.y, GetPenSize(), color );
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}
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void SCH_BUS_ENTRY_BASE::MirrorX( int aXaxis_position )
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{
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MIRROR( m_pos.y, aXaxis_position );
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m_size.y = -m_size.y;
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}
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void SCH_BUS_ENTRY_BASE::MirrorY( int aYaxis_position )
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{
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MIRROR( m_pos.x, aYaxis_position );
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m_size.x = -m_size.x;
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}
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void SCH_BUS_ENTRY_BASE::Rotate( wxPoint aPosition )
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{
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RotatePoint( &m_pos, aPosition, 900 );
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RotatePoint( &m_size.x, &m_size.y, 900 );
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}
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bool SCH_BUS_WIRE_ENTRY::UpdateDanglingState( std::vector<DANGLING_END_ITEM>& aItemList,
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const SCH_SHEET_PATH* aPath )
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{
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bool previousStateStart = m_isDanglingStart;
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bool previousStateEnd = m_isDanglingEnd;
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m_isDanglingStart = m_isDanglingEnd = true;
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// Wires and buses are stored in the list as a pair, start and end. This
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// variable holds the start position from one iteration so it can be used
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// when the end position is found.
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wxPoint seg_start;
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// Store the connection type and state for the start (0) and end (1)
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bool has_wire[2] = { false };
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bool has_bus[2] = { false };
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for( DANGLING_END_ITEM& each_item : aItemList )
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{
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if( each_item.GetItem() == this )
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continue;
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switch( each_item.GetType() )
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{
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case WIRE_START_END:
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case WIRE_END_END:
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if( m_pos == each_item.GetPosition() )
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has_wire[0] = true;
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else if( m_End() == each_item.GetPosition() )
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has_wire[1] = true;
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break;
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case BUS_START_END:
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seg_start = each_item.GetPosition();
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break;
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case BUS_END_END:
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if( IsPointOnSegment( seg_start, each_item.GetPosition(), m_pos ) )
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has_bus[0] = true;
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else if( IsPointOnSegment( seg_start, each_item.GetPosition(), m_End() ) )
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has_bus[1] = true;
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break;
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default:
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break;
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}
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}
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// A bus-wire entry is connected at both ends if it has a bus and a wire on its
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// ends. Otherwise, we connect only one end (in the case of a wire-wire or bus-bus)
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if( ( has_wire[0] && has_bus[1] ) || ( has_wire[1] && has_bus[0] ) )
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m_isDanglingEnd = m_isDanglingStart = false;
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else if( has_wire[0] || has_bus[0] )
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m_isDanglingStart = false;
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else if( has_wire[1] || has_bus[1] )
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m_isDanglingEnd = false;
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return (previousStateStart != m_isDanglingStart) || (previousStateEnd != m_isDanglingEnd);
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}
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bool SCH_BUS_BUS_ENTRY::UpdateDanglingState( std::vector<DANGLING_END_ITEM>& aItemList,
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const SCH_SHEET_PATH* aPath )
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{
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bool previousStateStart = m_isDanglingStart;
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bool previousStateEnd = m_isDanglingEnd;
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m_isDanglingStart = m_isDanglingEnd = true;
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// Wires and buses are stored in the list as a pair, start and end. This
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// variable holds the start position from one iteration so it can be used
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// when the end position is found.
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wxPoint seg_start;
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for( DANGLING_END_ITEM& each_item : aItemList )
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{
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if( each_item.GetItem() == this )
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continue;
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switch( each_item.GetType() )
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{
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case BUS_START_END:
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seg_start = each_item.GetPosition();
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break;
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case BUS_END_END:
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if( IsPointOnSegment( seg_start, each_item.GetPosition(), m_pos ) )
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m_isDanglingStart = false;
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if( IsPointOnSegment( seg_start, each_item.GetPosition(), m_End() ) )
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m_isDanglingEnd = false;
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break;
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default:
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break;
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}
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}
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return (previousStateStart != m_isDanglingStart) || (previousStateEnd != m_isDanglingEnd);
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}
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bool SCH_BUS_ENTRY_BASE::IsDangling() const
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{
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return m_isDanglingStart || m_isDanglingEnd;
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}
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void SCH_BUS_ENTRY_BASE::GetConnectionPoints( std::vector< wxPoint >& aPoints ) const
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{
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aPoints.push_back( m_pos );
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aPoints.push_back( m_End() );
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}
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wxString SCH_BUS_WIRE_ENTRY::GetSelectMenuText( EDA_UNITS aUnits ) const
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{
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return wxString( _( "Bus to Wire Entry" ) );
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}
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wxString SCH_BUS_BUS_ENTRY::GetSelectMenuText( EDA_UNITS aUnits ) const
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{
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return wxString( _( "Bus to Bus Entry" ) );
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}
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BITMAP_DEF SCH_BUS_WIRE_ENTRY::GetMenuImage() const
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{
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return add_line2bus_xpm;
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}
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BITMAP_DEF SCH_BUS_BUS_ENTRY::GetMenuImage() const
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{
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return add_bus2bus_xpm;
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}
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bool SCH_BUS_ENTRY_BASE::HitTest( const wxPoint& aPosition, int aAccuracy ) const
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{
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// Insure minimum accuracy
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if( aAccuracy == 0 )
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aAccuracy = ( GetPenSize() / 2 ) + 4;
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return TestSegmentHit( aPosition, m_pos, m_End(), aAccuracy );
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}
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bool SCH_BUS_ENTRY_BASE::HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy ) const
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{
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EDA_RECT rect = aRect;
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rect.Inflate( aAccuracy );
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if( aContained )
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return rect.Contains( GetBoundingBox() );
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return rect.Intersects( GetBoundingBox() );
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}
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void SCH_BUS_ENTRY_BASE::Plot( PLOTTER* aPlotter )
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{
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aPlotter->SetCurrentLineWidth( GetPenSize() );
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aPlotter->SetColor( aPlotter->ColorSettings()->GetColor( GetLayer() ) );
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aPlotter->MoveTo( m_pos );
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aPlotter->FinishTo( m_End() );
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}
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void SCH_BUS_ENTRY_BASE::SetBusEntryShape( char aShape )
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{
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switch( aShape )
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{
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case '\\':
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if( m_size.y < 0 )
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m_size.y = -m_size.y;
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break;
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case '/':
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if( m_size.y > 0 )
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m_size.y = -m_size.y;
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break;
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}
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}
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char SCH_BUS_ENTRY_BASE::GetBusEntryShape() const
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{
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if( GetSize().y < 0 )
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return '/';
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else
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return '\\';
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}
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void SCH_BUS_ENTRY_BASE::GetMsgPanelInfo( EDA_UNITS aUnits, MSG_PANEL_ITEMS& aList )
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{
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wxString msg;
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switch( GetLayer() )
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{
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default:
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case LAYER_WIRE: msg = _( "Wire" ); break;
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case LAYER_BUS: msg = _( "Bus" ); break;
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}
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aList.push_back( MSG_PANEL_ITEM( _( "Bus Entry Type" ), msg, DARKCYAN ) );
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if( auto conn = Connection( *g_CurrentSheet ) )
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{
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#if defined(DEBUG)
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conn->AppendDebugInfoToMsgPanel( aList );
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#else
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conn->AppendInfoToMsgPanel( aList );
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#endif
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}
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}
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bool SCH_BUS_ENTRY_BASE::operator <( const SCH_ITEM& aItem ) const
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{
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if( Type() != aItem.Type() )
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return Type() < aItem.Type();
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auto component = static_cast<const SCH_BUS_ENTRY_BASE*>( &aItem );
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if( GetLayer() != component->GetLayer() )
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return GetLayer() < component->GetLayer();
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if( GetPosition().x != component->GetPosition().x )
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return GetPosition().x < component->GetPosition().x;
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if( GetPosition().y != component->GetPosition().y )
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return GetPosition().y < component->GetPosition().y;
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if( m_End().x != component->m_End().x )
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return m_End().x < component->m_End().x;
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return m_End().y < component->m_End().y;
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}
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bool SCH_BUS_WIRE_ENTRY::ConnectionPropagatesTo( const EDA_ITEM* aItem ) const
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{
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// Don't generate connections between bus entries and buses, since there is
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// a connectivity change at that point (e.g. A[7..0] to A7)
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if( ( aItem->Type() == SCH_LINE_T ) &&
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( static_cast<const SCH_LINE*>( aItem )->GetLayer() == LAYER_BUS ) )
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{
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return false;
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}
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// Don't generate connections between bus entries and bus labels that happen
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// to land at the same point on the bus wire as this bus entry
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if( ( aItem->Type() == SCH_LABEL_T ) &&
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SCH_CONNECTION::IsBusLabel( static_cast<const SCH_LABEL*>( aItem )->GetText() ) )
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{
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return false;
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}
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// Don't generate connections between two bus-wire entries
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if( aItem->Type() == SCH_BUS_WIRE_ENTRY_T )
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return false;
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return true;
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}
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