kicad/eeschema/sch_bus_entry.cpp

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/*
* 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) 2004-2020 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 <sch_bus_entry.h>
#include <sch_edit_frame.h>
#include <sch_junction.h>
#include <sch_line.h>
#include <sch_text.h>
#include <settings/color_settings.h>
#include <netclass.h>
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#include <trigo.h>
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#include "sch_painter.h"
SCH_BUS_ENTRY_BASE::SCH_BUS_ENTRY_BASE( KICAD_T aType, const wxPoint& pos, bool aFlipY ) :
SCH_ITEM( NULL, aType )
{
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m_pos = pos;
m_size.x = Mils2iu( DEFAULT_SCH_ENTRY_SIZE );
m_size.y = Mils2iu( DEFAULT_SCH_ENTRY_SIZE );
if( aFlipY )
m_size.y *= -1;
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m_isDanglingStart = m_isDanglingEnd = true;
}
SCH_BUS_WIRE_ENTRY::SCH_BUS_WIRE_ENTRY( const wxPoint& 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;
}
SCH_BUS_BUS_ENTRY::SCH_BUS_BUS_ENTRY( const wxPoint& 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;
}
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 wxPoint& aPosition ) const
{
return ( m_pos == aPosition || GetEnd() == aPosition );
}
wxPoint SCH_BUS_ENTRY_BASE::GetEnd() const
{
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return wxPoint( 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 );
}
void SCH_BUS_ENTRY_BASE::ViewGetLayers( int aLayers[], int& aCount ) const
{
aCount = 2;
aLayers[0] = Type() == SCH_BUS_BUS_ENTRY_T ? LAYER_BUS : LAYER_WIRE;
aLayers[1] = LAYER_SELECTION_SHADOWS;
}
const EDA_RECT SCH_BUS_ENTRY_BASE::GetBoundingBox() const
{
EDA_RECT box;
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box.SetOrigin( m_pos );
box.SetEnd( GetEnd() );
box.Normalize();
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box.Inflate( ( GetPenWidth() / 2 ) + 1 );
return box;
}
COLOR4D SCH_BUS_ENTRY_BASE::GetStrokeColor() const
{
NETCLASSPTR netclass = NetClass();
if( netclass && netclass->GetSchematicColor() != COLOR4D::UNSPECIFIED )
return netclass->GetSchematicColor();
return m_stroke.GetColor();
}
PLOT_DASH_TYPE SCH_BUS_ENTRY_BASE::GetStrokeStyle() const
{
NETCLASSPTR netclass = NetClass();
if( netclass )
return (PLOT_DASH_TYPE) netclass->GetLineStyle();
return m_stroke.GetPlotStyle();
}
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int SCH_BUS_WIRE_ENTRY::GetPenWidth() const
{
NETCLASSPTR netclass = NetClass();
if( netclass )
return netclass->GetWireWidth();
if( m_stroke.GetWidth() == 0 && Schematic() )
return std::max( Schematic()->Settings().m_DefaultWireThickness, 1 );
return ( m_stroke.GetWidth() == 0 ) ? 1 : m_stroke.GetWidth();
}
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int SCH_BUS_BUS_ENTRY::GetPenWidth() const
{
NETCLASSPTR netclass = NetClass();
if( netclass )
return netclass->GetBusWidth();
if( m_stroke.GetWidth() == 0 && Schematic() )
return std::max( Schematic()->Settings().m_DefaultBusThickness, 1 );
return ( m_stroke.GetWidth() == 0 ) ? 1 : m_stroke.GetWidth();
}
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 );
}
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void SCH_BUS_ENTRY_BASE::Print( RENDER_SETTINGS* aSettings, const wxPoint& aOffset )
{
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wxDC* DC = aSettings->GetPrintDC();
COLOR4D color = ( GetStrokeColor() == COLOR4D::UNSPECIFIED ) ?
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aSettings->GetLayerColor( m_layer ) : GetStrokeColor();
int penWidth = ( GetPenWidth() == 0 ) ? aSettings->GetDefaultPenWidth() : GetPenWidth();
GRLine( nullptr, DC, m_pos.x + aOffset.x, m_pos.y + aOffset.y, GetEnd().x + aOffset.x,
GetEnd().y + aOffset.y, penWidth, color,
GetwxPenStyle( (PLOT_DASH_TYPE) GetStrokeStyle() ) );
}
void SCH_BUS_ENTRY_BASE::MirrorX( int aXaxis_position )
{
MIRROR( m_pos.y, aXaxis_position );
m_size.y = -m_size.y;
}
void SCH_BUS_ENTRY_BASE::MirrorY( int aYaxis_position )
{
MIRROR( m_pos.x, aYaxis_position );
m_size.x = -m_size.x;
}
void SCH_BUS_ENTRY_BASE::Rotate( wxPoint aPosition )
{
RotatePoint( &m_pos, aPosition, 900 );
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RotatePoint( &m_size.x, &m_size.y, 900 );
}
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;
// Wires and buses are stored in the list as a pair, start and end. This
// variable holds the start position from one iteration so it can be used
// when the end position is found.
wxPoint seg_start;
// Store the connection type and state for the start (0) and end (1)
bool has_wire[2] = { false };
bool has_bus[2] = { false };
for( DANGLING_END_ITEM& each_item : aItemList )
{
if( each_item.GetItem() == this )
continue;
switch( each_item.GetType() )
{
case WIRE_START_END:
case WIRE_END_END:
if( m_pos == each_item.GetPosition() )
has_wire[0] = true;
else if( GetEnd() == each_item.GetPosition() )
has_wire[1] = true;
break;
case BUS_START_END:
seg_start = each_item.GetPosition();
break;
case BUS_END_END:
if( IsPointOnSegment( seg_start, each_item.GetPosition(), m_pos ) )
has_bus[0] = true;
else if( IsPointOnSegment( seg_start, each_item.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;
// Wires and buses are stored in the list as a pair, start and end. This
// variable holds the start position from one iteration so it can be used
// when the end position is found.
wxPoint seg_start;
for( DANGLING_END_ITEM& each_item : aItemList )
{
if( each_item.GetItem() == this )
continue;
switch( each_item.GetType() )
{
case BUS_START_END:
seg_start = each_item.GetPosition();
break;
case BUS_END_END:
if( IsPointOnSegment( seg_start, each_item.GetPosition(), m_pos ) )
m_isDanglingStart = false;
if( IsPointOnSegment( seg_start, each_item.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<wxPoint> 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" ) );
}
BITMAP_DEF SCH_BUS_WIRE_ENTRY::GetMenuImage() const
{
return add_line2bus_xpm;
}
BITMAP_DEF SCH_BUS_BUS_ENTRY::GetMenuImage() const
{
return add_bus2bus_xpm;
}
bool SCH_BUS_ENTRY_BASE::HitTest( const wxPoint& 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 );
}
bool SCH_BUS_ENTRY_BASE::HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy ) const
{
EDA_RECT rect = aRect;
rect.Inflate( aAccuracy );
if( aContained )
return rect.Contains( GetBoundingBox() );
return rect.Intersects( GetBoundingBox() );
}
void SCH_BUS_ENTRY_BASE::Plot( PLOTTER* aPlotter )
{
auto* settings = static_cast<KIGFX::SCH_RENDER_SETTINGS*>( aPlotter->RenderSettings() );
COLOR4D color = ( GetStrokeColor() == COLOR4D::UNSPECIFIED ) ?
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settings->GetLayerColor( m_layer ) : GetStrokeColor();
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( GetStrokeStyle() );
aPlotter->MoveTo( m_pos );
aPlotter->FinishTo( GetEnd() );
}
void SCH_BUS_ENTRY_BASE::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, MSG_PANEL_ITEMS& aList )
{
wxString msg;
switch( GetLayer() )
{
default:
case LAYER_WIRE: msg = _( "Wire" ); break;
case LAYER_BUS: msg = _( "Bus" ); break;
}
aList.push_back( MSG_PANEL_ITEM( _( "Bus Entry Type" ), msg ) );
SCH_EDIT_FRAME* frame = dynamic_cast<SCH_EDIT_FRAME*>( aFrame );
if( !frame )
return;
if( SCH_CONNECTION* conn = Connection() )
conn->AppendInfoToMsgPanel( aList );
}
bool SCH_BUS_ENTRY_BASE::operator <( const SCH_ITEM& aItem ) const
{
if( Type() != aItem.Type() )
return Type() < aItem.Type();
auto component = static_cast<const SCH_BUS_ENTRY_BASE*>( &aItem );
if( GetLayer() != component->GetLayer() )
return GetLayer() < component->GetLayer();
if( GetPosition().x != component->GetPosition().x )
return GetPosition().x < component->GetPosition().x;
if( GetPosition().y != component->GetPosition().y )
return GetPosition().y < component->GetPosition().y;
if( GetEnd().x != component->GetEnd().x )
return GetEnd().x < component->GetEnd().x;
return GetEnd().y < component->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;
}