570 lines
16 KiB
C++
570 lines
16 KiB
C++
/*
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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) 2004-2021 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 <sch_draw_panel.h>
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#include <bitmaps.h>
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#include <core/mirror.h>
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#include <schematic.h>
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#include <sch_bus_entry.h>
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#include <sch_edit_frame.h>
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#include <sch_junction.h>
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#include <sch_line.h>
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#include <sch_text.h>
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#include <project/net_settings.h>
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#include <project/project_file.h>
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#include <settings/color_settings.h>
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#include <netclass.h>
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#include <trigo.h>
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#include <board_item.h>
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#include "sch_painter.h"
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SCH_BUS_ENTRY_BASE::SCH_BUS_ENTRY_BASE( KICAD_T aType, const wxPoint& pos, bool aFlipY ) :
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SCH_ITEM( nullptr, aType )
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{
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m_pos = pos;
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m_size.x = Mils2iu( DEFAULT_SCH_ENTRY_SIZE );
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m_size.y = Mils2iu( DEFAULT_SCH_ENTRY_SIZE );
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m_stroke.SetWidth( 0 );
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m_stroke.SetPlotStyle( PLOT_DASH_TYPE::DEFAULT );
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m_stroke.SetColor( COLOR4D::UNSPECIFIED );
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if( aFlipY )
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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, bool aFlipY ) :
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SCH_BUS_ENTRY_BASE( SCH_BUS_WIRE_ENTRY_T, pos, aFlipY )
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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_WIRE_ENTRY::SCH_BUS_WIRE_ENTRY( const wxPoint& pos, int aQuadrant ) :
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SCH_BUS_ENTRY_BASE( SCH_BUS_WIRE_ENTRY_T, pos, false )
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{
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switch( aQuadrant )
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{
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case 1: m_size.x *= 1; m_size.y *= -1; break;
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case 2: m_size.x *= 1; m_size.y *= 1; break;
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case 3: m_size.x *= -1; m_size.y *= 1; break;
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case 4: m_size.x *= -1; m_size.y *= -1; break;
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default: wxFAIL_MSG( "SCH_BUS_WIRE_ENTRY ctor: unexpected quadrant" );
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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, bool aFlipY ) :
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SCH_BUS_ENTRY_BASE( SCH_BUS_BUS_ENTRY_T, pos, aFlipY )
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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 || GetEnd() == aPosition );
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}
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wxPoint SCH_BUS_ENTRY_BASE::GetEnd() 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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std::swap( m_stroke, item->m_stroke );
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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( GetEnd() );
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box.Normalize();
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box.Inflate( ( GetPenWidth() / 2 ) + 1 );
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return box;
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}
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COLOR4D SCH_BUS_ENTRY_BASE::GetStrokeColor() const
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{
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NETCLASSPTR netclass = NetClass();
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if( netclass && netclass->GetSchematicColor() != COLOR4D::UNSPECIFIED )
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return netclass->GetSchematicColor();
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return m_stroke.GetColor();
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}
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PLOT_DASH_TYPE SCH_BUS_ENTRY_BASE::GetStrokeStyle() const
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{
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NETCLASSPTR netclass = NetClass();
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if( netclass )
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return (PLOT_DASH_TYPE) netclass->GetLineStyle();
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return m_stroke.GetPlotStyle();
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}
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int SCH_BUS_WIRE_ENTRY::GetPenWidth() const
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{
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if( m_stroke.GetWidth() > 0 )
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return m_stroke.GetWidth();
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NETCLASSPTR netclass = NetClass();
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if( netclass )
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return netclass->GetWireWidth();
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if( Schematic() )
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return std::max( Schematic()->Settings().m_DefaultWireThickness, 1 );
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return Mils2iu( DEFAULT_WIRE_WIDTH_MILS );
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}
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int SCH_BUS_BUS_ENTRY::GetPenWidth() const
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{
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if( m_stroke.GetWidth() > 0 )
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return m_stroke.GetWidth();
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NETCLASSPTR netclass = NetClass();
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if( netclass )
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return netclass->GetBusWidth();
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if( Schematic() )
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return std::max( Schematic()->Settings().m_DefaultBusThickness, 1 );
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return Mils2iu( DEFAULT_BUS_WIDTH_MILS );
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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, GetEnd() );
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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, GetEnd() );
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aItemList.push_back( item1 );
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}
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void SCH_BUS_ENTRY_BASE::Print( const RENDER_SETTINGS* aSettings, const wxPoint& aOffset )
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{
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wxDC* DC = aSettings->GetPrintDC();
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COLOR4D color = ( GetStrokeColor() == COLOR4D::UNSPECIFIED ) ?
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aSettings->GetLayerColor( m_layer ) : GetStrokeColor();
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wxPoint start = m_pos + aOffset;
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wxPoint end = GetEnd() + aOffset;
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int penWidth = ( GetPenWidth() == 0 ) ? aSettings->GetDefaultPenWidth() : GetPenWidth();
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if( GetStrokeStyle() <= PLOT_DASH_TYPE::FIRST_TYPE )
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{
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GRLine( nullptr, DC, start.x, start.y, end.x, end.y, penWidth, color );
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}
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else
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{
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EDA_RECT clip( (wxPoint) start, wxSize( end.x - start.x, end.y - start.y ) );
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clip.Normalize();
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double theta = atan2( end.y - start.y, end.x - start.x );
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double strokes[] = { 1.0, dash_gap_len( penWidth ), 1.0, dash_gap_len( penWidth ) };
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switch( GetStrokeStyle() )
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{
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default:
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case PLOT_DASH_TYPE::DASH:
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strokes[0] = strokes[2] = dash_mark_len( penWidth );
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break;
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case PLOT_DASH_TYPE::DOT:
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strokes[0] = strokes[2] = dot_mark_len( penWidth );
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break;
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case PLOT_DASH_TYPE::DASHDOT:
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strokes[0] = dash_mark_len( penWidth );
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strokes[2] = dot_mark_len( penWidth );
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break;
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}
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for( size_t i = 0; i < 10000; ++i )
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{
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// Calculations MUST be done in doubles to keep from accumulating rounding
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// errors as we go.
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wxPoint next( start.x + strokes[ i % 4 ] * cos( theta ),
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start.y + strokes[ i % 4 ] * sin( theta ) );
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// Drawing each segment can be done rounded to ints.
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wxPoint segStart( KiROUND( start.x ), KiROUND( start.y ) );
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wxPoint segEnd( KiROUND( next.x ), KiROUND( next.y ) );
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if( ClipLine( &clip, segStart.x, segStart.y, segEnd.x, segEnd.y ) )
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break;
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else if( i % 2 == 0 )
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GRLine( nullptr, DC, segStart.x, segStart.y, segEnd.x, segEnd.y, penWidth, color );
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start = next;
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}
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}
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}
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void SCH_BUS_ENTRY_BASE::MirrorVertically( int aCenter )
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{
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MIRROR( m_pos.y, aCenter );
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m_size.y = -m_size.y;
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}
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void SCH_BUS_ENTRY_BASE::MirrorHorizontally( int aCenter )
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{
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MIRROR( m_pos.x, aCenter );
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m_size.x = -m_size.x;
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}
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void SCH_BUS_ENTRY_BASE::Rotate( const wxPoint& aCenter )
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{
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RotatePoint( &m_pos, aCenter, 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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// 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( unsigned ii = 0; ii < aItemList.size(); ii++ )
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{
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DANGLING_END_ITEM& item = aItemList[ii];
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if( item.GetItem() == this )
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continue;
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switch( item.GetType() )
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{
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case WIRE_END:
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if( m_pos == item.GetPosition() )
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has_wire[0] = true;
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else if( GetEnd() == item.GetPosition() )
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has_wire[1] = true;
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break;
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case BUS_END:
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{
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// The bus has created 2 DANGLING_END_ITEMs, one per end.
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DANGLING_END_ITEM& nextItem = aItemList[++ii];
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if( IsPointOnSegment( item.GetPosition(), nextItem.GetPosition(), m_pos ) )
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has_bus[0] = true;
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else if( IsPointOnSegment( item.GetPosition(), nextItem.GetPosition(), GetEnd() ) )
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has_bus[1] = true;
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}
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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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for( unsigned ii = 0; ii < aItemList.size(); ii++ )
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{
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DANGLING_END_ITEM& item = aItemList[ii];
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if( item.GetItem() == this )
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continue;
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switch( item.GetType() )
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{
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case BUS_END:
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{
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// The bus has created 2 DANGLING_END_ITEMs, one per end.
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DANGLING_END_ITEM& nextItem = aItemList[++ii];
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if( IsPointOnSegment( item.GetPosition(), nextItem.GetPosition(), m_pos ) )
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m_isDanglingStart = false;
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if( IsPointOnSegment( item.GetPosition(), nextItem.GetPosition(), GetEnd() ) )
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m_isDanglingEnd = false;
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}
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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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std::vector<wxPoint> SCH_BUS_ENTRY_BASE::GetConnectionPoints() const
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{
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return { m_pos, GetEnd() };
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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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BITMAPS SCH_BUS_WIRE_ENTRY::GetMenuImage() const
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{
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return BITMAPS::add_line2bus;
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}
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BITMAPS SCH_BUS_BUS_ENTRY::GetMenuImage() const
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{
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return BITMAPS::add_bus2bus;
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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 = ( GetPenWidth() / 2 ) + 4;
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return TestSegmentHit( aPosition, m_pos, GetEnd(), 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 ) const
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{
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auto* settings = static_cast<KIGFX::SCH_RENDER_SETTINGS*>( aPlotter->RenderSettings() );
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COLOR4D color = ( GetStrokeColor() == COLOR4D::UNSPECIFIED ) ?
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settings->GetLayerColor( m_layer ) : GetStrokeColor();
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int penWidth = ( GetPenWidth() == 0 ) ? settings->GetDefaultPenWidth() : GetPenWidth();
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penWidth = std::max( penWidth, settings->GetMinPenWidth() );
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aPlotter->SetCurrentLineWidth( penWidth );
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aPlotter->SetColor( color );
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aPlotter->SetDash( GetStrokeStyle() );
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aPlotter->MoveTo( m_pos );
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aPlotter->FinishTo( GetEnd() );
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}
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void SCH_BUS_ENTRY_BASE::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame,
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std::vector<MSG_PANEL_ITEM>& 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.emplace_back( _( "Bus Entry Type" ), msg );
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SCH_CONNECTION* conn = dynamic_cast<SCH_EDIT_FRAME*>( aFrame ) ? Connection() : nullptr;
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if( conn )
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{
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conn->AppendInfoToMsgPanel( aList );
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if( !conn->IsBus() )
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{
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NET_SETTINGS& netSettings = Schematic()->Prj().GetProjectFile().NetSettings();
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wxString netname = conn->Name();
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wxString netclassName = netSettings.m_NetClasses.GetDefaultPtr()->GetName();
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if( netSettings.m_NetClassAssignments.count( netname ) )
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netclassName = netSettings.m_NetClassAssignments[ netname ];
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aList.emplace_back( _( "Assigned Netclass" ), netclassName );
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}
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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 symbol = static_cast<const SCH_BUS_ENTRY_BASE*>( &aItem );
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if( GetLayer() != symbol->GetLayer() )
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return GetLayer() < symbol->GetLayer();
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if( GetPosition().x != symbol->GetPosition().x )
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return GetPosition().x < symbol->GetPosition().x;
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if( GetPosition().y != symbol->GetPosition().y )
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return GetPosition().y < symbol->GetPosition().y;
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if( GetEnd().x != symbol->GetEnd().x )
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return GetEnd().x < symbol->GetEnd().x;
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return GetEnd().y < symbol->GetEnd().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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// Same for bus junctions
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if( ( aItem->Type() == SCH_JUNCTION_T ) &&
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( static_cast<const SCH_JUNCTION*>( aItem )->GetLayer() == LAYER_BUS_JUNCTION ) )
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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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