kicad/eeschema/sch_bus_entry.cpp

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2011-12-07 14:08:52 +00:00
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2004-2022 KiCad Developers, see AUTHORS.txt for contributors.
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*
* 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 <sch_draw_panel.h>
#include <bitmaps.h>
#include <core/mirror.h>
#include <schematic.h>
#include <geometry/shape_segment.h>
#include <sch_bus_entry.h>
#include <sch_edit_frame.h>
#include <sch_junction.h>
#include <sch_line.h>
#include <sch_label.h>
#include <project/net_settings.h>
#include <project/project_file.h>
#include <settings/color_settings.h>
#include <netclass.h>
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#include <trigo.h>
#include <board_item.h>
#include <advanced_config.h>
#include <connection_graph.h>
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#include "sch_painter.h"
SCH_BUS_ENTRY_BASE::SCH_BUS_ENTRY_BASE( KICAD_T aType, const VECTOR2I& pos, bool aFlipY ) :
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SCH_ITEM( nullptr, aType )
{
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m_pos = pos;
m_size.x = Mils2iu( DEFAULT_SCH_ENTRY_SIZE );
m_size.y = Mils2iu( DEFAULT_SCH_ENTRY_SIZE );
m_stroke.SetWidth( 0 );
m_stroke.SetPlotStyle( PLOT_DASH_TYPE::DEFAULT );
m_stroke.SetColor( COLOR4D::UNSPECIFIED );
if( aFlipY )
m_size.y *= -1;
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m_isDanglingStart = m_isDanglingEnd = true;
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m_lastResolvedWidth = Mils2iu( DEFAULT_WIRE_WIDTH_MILS );
m_lastResolvedLineStyle = PLOT_DASH_TYPE::SOLID;
m_lastResolvedColor = COLOR4D::UNSPECIFIED;
}
SCH_BUS_WIRE_ENTRY::SCH_BUS_WIRE_ENTRY( const VECTOR2I& pos, bool aFlipY ) :
SCH_BUS_ENTRY_BASE( SCH_BUS_WIRE_ENTRY_T, pos, aFlipY )
{
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m_layer = LAYER_WIRE;
m_connected_bus_item = nullptr;
m_lastResolvedWidth = Mils2iu( DEFAULT_WIRE_WIDTH_MILS );
m_lastResolvedLineStyle = PLOT_DASH_TYPE::SOLID;
m_lastResolvedColor = COLOR4D::UNSPECIFIED;
}
SCH_BUS_WIRE_ENTRY::SCH_BUS_WIRE_ENTRY( const VECTOR2I& pos, int aQuadrant ) :
SCH_BUS_ENTRY_BASE( SCH_BUS_WIRE_ENTRY_T, pos, false )
{
switch( aQuadrant )
{
case 1: m_size.x *= 1; m_size.y *= -1; break;
case 2: m_size.x *= 1; m_size.y *= 1; break;
case 3: m_size.x *= -1; m_size.y *= 1; break;
case 4: m_size.x *= -1; m_size.y *= -1; break;
default: wxFAIL_MSG( "SCH_BUS_WIRE_ENTRY ctor: unexpected quadrant" );
}
m_layer = LAYER_WIRE;
m_connected_bus_item = nullptr;
m_lastResolvedWidth = Mils2iu( DEFAULT_WIRE_WIDTH_MILS );
m_lastResolvedLineStyle = PLOT_DASH_TYPE::SOLID;
m_lastResolvedColor = COLOR4D::UNSPECIFIED;
}
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SCH_BUS_BUS_ENTRY::SCH_BUS_BUS_ENTRY( const VECTOR2I& pos, bool aFlipY ) :
SCH_BUS_ENTRY_BASE( SCH_BUS_BUS_ENTRY_T, pos, aFlipY )
{
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m_layer = LAYER_BUS;
m_connected_bus_items[0] = nullptr;
m_connected_bus_items[1] = nullptr;
m_lastResolvedWidth = Mils2iu( DEFAULT_WIRE_WIDTH_MILS );
m_lastResolvedLineStyle = PLOT_DASH_TYPE::SOLID;
m_lastResolvedColor = COLOR4D::UNSPECIFIED;
}
EDA_ITEM* SCH_BUS_WIRE_ENTRY::Clone() const
{
return new SCH_BUS_WIRE_ENTRY( *this );
}
EDA_ITEM* SCH_BUS_BUS_ENTRY::Clone() const
{
return new SCH_BUS_BUS_ENTRY( *this );
}
bool SCH_BUS_ENTRY_BASE::doIsConnected( const VECTOR2I& aPosition ) const
{
return ( m_pos == aPosition || GetEnd() == aPosition );
}
VECTOR2I SCH_BUS_ENTRY_BASE::GetEnd() const
{
return VECTOR2I( m_pos.x + m_size.x, m_pos.y + m_size.y );
}
void SCH_BUS_ENTRY_BASE::SwapData( SCH_ITEM* aItem )
{
SCH_BUS_ENTRY_BASE* item = dynamic_cast<SCH_BUS_ENTRY_BASE*>( aItem );
wxCHECK_RET( item, wxT( "Cannot swap bus entry data with invalid item." ) );
std::swap( m_pos, item->m_pos );
std::swap( m_size, item->m_size );
std::swap( m_stroke, item->m_stroke );
std::swap( m_lastResolvedWidth, item->m_lastResolvedWidth );
std::swap( m_lastResolvedLineStyle, item->m_lastResolvedLineStyle );
std::swap( m_lastResolvedColor, item->m_lastResolvedColor );
}
void SCH_BUS_ENTRY_BASE::ViewGetLayers( int aLayers[], int& aCount ) const
{
aCount = 3;
aLayers[0] = LAYER_DANGLING;
aLayers[1] = Type() == SCH_BUS_BUS_ENTRY_T ? LAYER_BUS : LAYER_WIRE;
aLayers[2] = LAYER_SELECTION_SHADOWS;
}
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const BOX2I SCH_BUS_ENTRY_BASE::GetBoundingBox() const
{
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BOX2I bbox( m_pos );
bbox.SetEnd( GetEnd() );
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bbox.Normalize();
bbox.Inflate( ( GetPenWidth() / 2 ) + 1 );
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return bbox;
}
COLOR4D SCH_BUS_ENTRY_BASE::GetBusEntryColor() const
{
if( m_stroke.GetColor() != COLOR4D::UNSPECIFIED )
m_lastResolvedColor = m_stroke.GetColor();
else if( IsConnectable() && !IsConnectivityDirty() )
m_lastResolvedColor = GetEffectiveNetClass()->GetSchematicColor();
return m_lastResolvedColor;
}
void SCH_BUS_ENTRY_BASE::SetPenWidth( int aWidth )
{
m_stroke.SetWidth( aWidth );
m_lastResolvedWidth = aWidth;
}
void SCH_BUS_ENTRY_BASE::SetBusEntryColor( const COLOR4D& aColor )
{
m_stroke.SetColor( aColor );
m_lastResolvedColor = aColor;
}
PLOT_DASH_TYPE SCH_BUS_ENTRY_BASE::GetLineStyle() const
{
if( m_stroke.GetPlotStyle() != PLOT_DASH_TYPE::DEFAULT )
m_lastResolvedLineStyle = m_stroke.GetPlotStyle();
else if( IsConnectable() && !IsConnectivityDirty() )
m_lastResolvedLineStyle = (PLOT_DASH_TYPE) GetEffectiveNetClass()->GetLineStyle();
return m_lastResolvedLineStyle;
}
void SCH_BUS_ENTRY_BASE::SetLineStyle( PLOT_DASH_TYPE aStyle )
{
m_stroke.SetPlotStyle( aStyle );
m_lastResolvedLineStyle = aStyle;
}
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int SCH_BUS_WIRE_ENTRY::GetPenWidth() const
{
if( m_stroke.GetWidth() > 0 )
m_lastResolvedWidth = m_stroke.GetWidth();
else if( IsConnectable() && !IsConnectivityDirty() )
m_lastResolvedWidth = GetEffectiveNetClass()->GetWireWidth();
return m_lastResolvedWidth;
}
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int SCH_BUS_BUS_ENTRY::GetPenWidth() const
{
if( m_stroke.GetWidth() > 0 )
m_lastResolvedWidth = m_stroke.GetWidth();
else if( IsConnectable() && !IsConnectivityDirty() )
m_lastResolvedWidth = GetEffectiveNetClass()->GetBusWidth();
return m_lastResolvedWidth;
}
void SCH_BUS_WIRE_ENTRY::GetEndPoints( std::vector< DANGLING_END_ITEM >& aItemList )
{
DANGLING_END_ITEM item( WIRE_ENTRY_END, this, m_pos );
aItemList.push_back( item );
DANGLING_END_ITEM item1( WIRE_ENTRY_END, this, GetEnd() );
aItemList.push_back( item1 );
}
void SCH_BUS_BUS_ENTRY::GetEndPoints( std::vector< DANGLING_END_ITEM >& aItemList )
{
DANGLING_END_ITEM item( BUS_ENTRY_END, this, m_pos );
aItemList.push_back( item );
DANGLING_END_ITEM item1( BUS_ENTRY_END, this, GetEnd() );
aItemList.push_back( item1 );
}
void SCH_BUS_ENTRY_BASE::Print( const RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset )
{
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wxDC* DC = aSettings->GetPrintDC();
COLOR4D color = ( GetBusEntryColor() == COLOR4D::UNSPECIFIED ) ?
aSettings->GetLayerColor( m_layer ) : GetBusEntryColor();
VECTOR2I start = m_pos + aOffset;
VECTOR2I end = GetEnd() + aOffset;
int penWidth = ( GetPenWidth() == 0 ) ? aSettings->GetDefaultPenWidth() : GetPenWidth();
if( GetLineStyle() <= PLOT_DASH_TYPE::FIRST_TYPE )
{
GRLine( DC, start.x, start.y, end.x, end.y, penWidth, color );
}
else
{
SHAPE_SEGMENT segment( start, end );
STROKE_PARAMS::Stroke( &segment, GetLineStyle(), penWidth, aSettings,
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[&]( const VECTOR2I& a, const VECTOR2I& b )
{
GRLine( DC, a.x, a.y, b.x, b.y, penWidth, color );
} );
}
}
void SCH_BUS_ENTRY_BASE::MirrorVertically( int aCenter )
{
MIRROR( m_pos.y, aCenter );
m_size.y = -m_size.y;
}
void SCH_BUS_ENTRY_BASE::MirrorHorizontally( int aCenter )
{
MIRROR( m_pos.x, aCenter );
m_size.x = -m_size.x;
}
void SCH_BUS_ENTRY_BASE::Rotate( const VECTOR2I& aCenter )
{
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RotatePoint( m_pos, aCenter, ANGLE_90 );
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RotatePoint( &m_size.x, &m_size.y, ANGLE_90 );
}
bool SCH_BUS_WIRE_ENTRY::UpdateDanglingState( std::vector<DANGLING_END_ITEM>& aItemList,
const SCH_SHEET_PATH* aPath )
{
bool previousStateStart = m_isDanglingStart;
bool previousStateEnd = m_isDanglingEnd;
m_isDanglingStart = m_isDanglingEnd = true;
// Store the connection type and state for the start (0) and end (1)
bool has_wire[2] = { false };
bool has_bus[2] = { false };
for( unsigned ii = 0; ii < aItemList.size(); ii++ )
{
DANGLING_END_ITEM& item = aItemList[ii];
if( item.GetItem() == this )
continue;
switch( item.GetType() )
{
case WIRE_END:
if( m_pos == item.GetPosition() )
has_wire[0] = true;
else if( GetEnd() == item.GetPosition() )
has_wire[1] = true;
break;
case BUS_END:
{
// The bus has created 2 DANGLING_END_ITEMs, one per end.
DANGLING_END_ITEM& nextItem = aItemList[++ii];
if( IsPointOnSegment( item.GetPosition(), nextItem.GetPosition(), m_pos ) )
has_bus[0] = true;
else if( IsPointOnSegment( item.GetPosition(), nextItem.GetPosition(), GetEnd() ) )
has_bus[1] = true;
}
break;
default:
break;
}
}
// A bus-wire entry is connected at both ends if it has a bus and a wire on its
// ends. Otherwise, we connect only one end (in the case of a wire-wire or bus-bus)
if( ( has_wire[0] && has_bus[1] ) || ( has_wire[1] && has_bus[0] ) )
m_isDanglingEnd = m_isDanglingStart = false;
else if( has_wire[0] || has_bus[0] )
m_isDanglingStart = false;
else if( has_wire[1] || has_bus[1] )
m_isDanglingEnd = false;
return (previousStateStart != m_isDanglingStart) || (previousStateEnd != m_isDanglingEnd);
}
bool SCH_BUS_BUS_ENTRY::UpdateDanglingState( std::vector<DANGLING_END_ITEM>& aItemList,
const SCH_SHEET_PATH* aPath )
{
bool previousStateStart = m_isDanglingStart;
bool previousStateEnd = m_isDanglingEnd;
m_isDanglingStart = m_isDanglingEnd = true;
for( unsigned ii = 0; ii < aItemList.size(); ii++ )
{
DANGLING_END_ITEM& item = aItemList[ii];
if( item.GetItem() == this )
continue;
switch( item.GetType() )
{
case BUS_END:
{
// The bus has created 2 DANGLING_END_ITEMs, one per end.
DANGLING_END_ITEM& nextItem = aItemList[++ii];
if( IsPointOnSegment( item.GetPosition(), nextItem.GetPosition(), m_pos ) )
m_isDanglingStart = false;
if( IsPointOnSegment( item.GetPosition(), nextItem.GetPosition(), GetEnd() ) )
m_isDanglingEnd = false;
}
break;
default:
break;
}
}
return (previousStateStart != m_isDanglingStart) || (previousStateEnd != m_isDanglingEnd);
}
bool SCH_BUS_ENTRY_BASE::IsDangling() const
{
return m_isDanglingStart || m_isDanglingEnd;
}
std::vector<VECTOR2I> SCH_BUS_ENTRY_BASE::GetConnectionPoints() const
{
return { m_pos, GetEnd() };
}
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wxString SCH_BUS_WIRE_ENTRY::GetSelectMenuText( EDA_UNITS aUnits ) const
{
return wxString( _( "Bus to Wire Entry" ) );
}
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wxString SCH_BUS_BUS_ENTRY::GetSelectMenuText( EDA_UNITS aUnits ) const
{
return wxString( _( "Bus to Bus Entry" ) );
}
BITMAPS SCH_BUS_WIRE_ENTRY::GetMenuImage() const
{
return BITMAPS::add_line2bus;
}
BITMAPS SCH_BUS_BUS_ENTRY::GetMenuImage() const
{
return BITMAPS::add_bus2bus;
}
bool SCH_BUS_ENTRY_BASE::HitTest( const VECTOR2I& aPosition, int aAccuracy ) const
{
// Insure minimum accuracy
if( aAccuracy == 0 )
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aAccuracy = ( GetPenWidth() / 2 ) + 4;
return TestSegmentHit( aPosition, m_pos, GetEnd(), aAccuracy );
}
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bool SCH_BUS_ENTRY_BASE::HitTest( const BOX2I& aRect, bool aContained, int aAccuracy ) const
{
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BOX2I rect = aRect;
rect.Inflate( aAccuracy );
if( aContained )
return rect.Contains( GetBoundingBox() );
return rect.Intersects( GetBoundingBox() );
}
void SCH_BUS_ENTRY_BASE::Plot( PLOTTER* aPlotter, bool aBackground ) const
{
if( aBackground )
return;
auto* settings = static_cast<KIGFX::SCH_RENDER_SETTINGS*>( aPlotter->RenderSettings() );
COLOR4D color = ( GetBusEntryColor() == COLOR4D::UNSPECIFIED )
? settings->GetLayerColor( m_layer )
: GetBusEntryColor();
int penWidth = ( GetPenWidth() == 0 ) ? settings->GetDefaultPenWidth() : GetPenWidth();
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penWidth = std::max( penWidth, settings->GetMinPenWidth() );
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aPlotter->SetCurrentLineWidth( penWidth );
aPlotter->SetColor( color );
aPlotter->SetDash( penWidth, GetLineStyle() );
aPlotter->MoveTo( m_pos );
aPlotter->FinishTo( GetEnd() );
aPlotter->SetDash( penWidth, PLOT_DASH_TYPE::SOLID );
}
void SCH_BUS_ENTRY_BASE::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame,
std::vector<MSG_PANEL_ITEM>& aList )
{
wxString msg;
switch( GetLayer() )
{
default:
case LAYER_WIRE: msg = _( "Wire" ); break;
case LAYER_BUS: msg = _( "Bus" ); break;
}
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aList.emplace_back( _( "Bus Entry Type" ), msg );
SCH_CONNECTION* conn = nullptr;
if( !IsConnectivityDirty() && dynamic_cast<SCH_EDIT_FRAME*>( aFrame ) )
conn = Connection();
if( conn )
{
conn->AppendInfoToMsgPanel( aList );
if( !conn->IsBus() )
aList.emplace_back( _( "Resolved Netclass" ), GetEffectiveNetClass()->GetName() );
}
}
bool SCH_BUS_ENTRY_BASE::operator <( const SCH_ITEM& aItem ) const
{
if( Type() != aItem.Type() )
return Type() < aItem.Type();
auto symbol = static_cast<const SCH_BUS_ENTRY_BASE*>( &aItem );
if( GetLayer() != symbol->GetLayer() )
return GetLayer() < symbol->GetLayer();
if( GetPosition().x != symbol->GetPosition().x )
return GetPosition().x < symbol->GetPosition().x;
if( GetPosition().y != symbol->GetPosition().y )
return GetPosition().y < symbol->GetPosition().y;
if( GetEnd().x != symbol->GetEnd().x )
return GetEnd().x < symbol->GetEnd().x;
return GetEnd().y < symbol->GetEnd().y;
}
bool SCH_BUS_WIRE_ENTRY::ConnectionPropagatesTo( const EDA_ITEM* aItem ) const
{
// Don't generate connections between bus entries and buses, since there is
// a connectivity change at that point (e.g. A[7..0] to A7)
if( ( aItem->Type() == SCH_LINE_T ) &&
( static_cast<const SCH_LINE*>( aItem )->GetLayer() == LAYER_BUS ) )
{
return false;
}
// Same for bus junctions
if( ( aItem->Type() == SCH_JUNCTION_T ) &&
( static_cast<const SCH_JUNCTION*>( aItem )->GetLayer() == LAYER_BUS_JUNCTION ) )
{
return false;
}
// Don't generate connections between bus entries and bus labels that happen
// to land at the same point on the bus wire as this bus entry
if( ( aItem->Type() == SCH_LABEL_T ) &&
SCH_CONNECTION::IsBusLabel( static_cast<const SCH_LABEL*>( aItem )->GetText() ) )
{
return false;
}
// Don't generate connections between two bus-wire entries
if( aItem->Type() == SCH_BUS_WIRE_ENTRY_T )
return false;
return true;
}