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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) 2004-2021 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <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 <project/net_settings.h>
#include <project/project_file.h>
#include <settings/color_settings.h>
#include <netclass.h>
#include <trigo.h>
#include <board_item.h>
#include <advanced_config.h>
#include <connection_graph.h>
#include "sch_painter.h"
SCH_BUS_ENTRY_BASE::SCH_BUS_ENTRY_BASE( KICAD_T aType, const wxPoint& pos, bool aFlipY ) :
SCH_ITEM( nullptr, aType )
{
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;
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 )
{
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 wxPoint& 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;
}
SCH_BUS_BUS_ENTRY::SCH_BUS_BUS_ENTRY( const wxPoint& pos, bool aFlipY ) :
SCH_BUS_ENTRY_BASE( SCH_BUS_BUS_ENTRY_T, pos, aFlipY )
{
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 wxPoint& aPosition ) const
{
return ( m_pos == aPosition || GetEnd() == aPosition );
}
wxPoint SCH_BUS_ENTRY_BASE::GetEnd() const
{
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 );
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 = 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;
box.SetOrigin( m_pos );
box.SetEnd( GetEnd() );
box.Normalize();
box.Inflate( ( GetPenWidth() / 2 ) + 1 );
return box;
}
COLOR4D SCH_BUS_ENTRY_BASE::GetStrokeColor() const
{
if( m_stroke.GetColor() != COLOR4D::UNSPECIFIED )
{
m_lastResolvedColor = m_stroke.GetColor();
}
else if( IsConnectable() && !IsConnectivityDirty() )
{
NETCLASSPTR netclass = NetClass();
if( netclass )
m_lastResolvedColor = netclass->GetSchematicColor();
}
else
{
wxASSERT_MSG( !IsConnectable()
|| !ADVANCED_CFG::GetCfg().m_RealTimeConnectivity
|| !Schematic() || !Schematic()->ConnectionGraph()->m_allowRealTime,
"Connectivity shouldn't be dirty if realtime connectivity is on!" );
}
return m_lastResolvedColor;
}
PLOT_DASH_TYPE SCH_BUS_ENTRY_BASE::GetStrokeStyle() const
{
if( m_stroke.GetPlotStyle() != PLOT_DASH_TYPE::DEFAULT )
{
m_lastResolvedLineStyle = m_stroke.GetPlotStyle();
}
else if( IsConnectable() && !IsConnectivityDirty() )
{
NETCLASSPTR netclass = NetClass();
if( netclass )
m_lastResolvedLineStyle = static_cast<PLOT_DASH_TYPE>( netclass->GetLineStyle() );
}
else
{
wxASSERT_MSG( !IsConnectable()
|| !ADVANCED_CFG::GetCfg().m_RealTimeConnectivity
|| !Schematic() || !Schematic()->ConnectionGraph()->m_allowRealTime,
"Connectivity shouldn't be dirty if realtime connectivity is on!" );
}
return m_lastResolvedLineStyle;
}
int SCH_BUS_WIRE_ENTRY::GetPenWidth() const
{
if( m_stroke.GetWidth() > 0 )
{
m_lastResolvedWidth = m_stroke.GetWidth();
}
else if( IsConnectable() && !IsConnectivityDirty() )
{
NETCLASSPTR netclass = NetClass();
if( netclass )
m_lastResolvedWidth = netclass->GetWireWidth();
}
return m_lastResolvedWidth;
}
int SCH_BUS_BUS_ENTRY::GetPenWidth() const
{
if( m_stroke.GetWidth() > 0 )
{
m_lastResolvedWidth = m_stroke.GetWidth();
}
else if( IsConnectable() && !IsConnectivityDirty() )
{
NETCLASSPTR netclass = NetClass();
if( netclass )
m_lastResolvedWidth = netclass->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 wxPoint& aOffset )
{
wxDC* DC = aSettings->GetPrintDC();
COLOR4D color = ( GetStrokeColor() == COLOR4D::UNSPECIFIED ) ?
aSettings->GetLayerColor( m_layer ) : GetStrokeColor();
wxPoint start = m_pos + aOffset;
wxPoint end = GetEnd() + aOffset;
int penWidth = ( GetPenWidth() == 0 ) ? aSettings->GetDefaultPenWidth() : GetPenWidth();
if( GetStrokeStyle() <= PLOT_DASH_TYPE::FIRST_TYPE )
{
GRLine( nullptr, DC, start.x, start.y, end.x, end.y, penWidth, color );
}
else
{
EDA_RECT clip( (wxPoint) start, wxSize( end.x - start.x, end.y - start.y ) );
clip.Normalize();
double theta = atan2( end.y - start.y, end.x - start.x );
double strokes[] = { 1.0, dash_gap_len( penWidth ), 1.0, dash_gap_len( penWidth ) };
switch( GetStrokeStyle() )
{
default:
case PLOT_DASH_TYPE::DASH:
strokes[0] = strokes[2] = dash_mark_len( penWidth );
break;
case PLOT_DASH_TYPE::DOT:
strokes[0] = strokes[2] = dot_mark_len( penWidth );
break;
case PLOT_DASH_TYPE::DASHDOT:
strokes[0] = dash_mark_len( penWidth );
strokes[2] = dot_mark_len( penWidth );
break;
}
for( size_t i = 0; i < 10000; ++i )
{
// Calculations MUST be done in doubles to keep from accumulating rounding
// errors as we go.
wxPoint next( start.x + strokes[ i % 4 ] * cos( theta ),
start.y + strokes[ i % 4 ] * sin( theta ) );
// Drawing each segment can be done rounded to ints.
wxPoint segStart( KiROUND( start.x ), KiROUND( start.y ) );
wxPoint segEnd( KiROUND( next.x ), KiROUND( next.y ) );
if( ClipLine( &clip, segStart.x, segStart.y, segEnd.x, segEnd.y ) )
break;
else if( i % 2 == 0 )
GRLine( nullptr, DC, segStart.x, segStart.y, segEnd.x, segEnd.y, penWidth, color );
start = next;
}
}
}
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 wxPoint& aCenter )
{
RotatePoint( &m_pos, aCenter, 900 );
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;
// 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<wxPoint> SCH_BUS_ENTRY_BASE::GetConnectionPoints() const
{
return { m_pos, GetEnd() };
}
wxString SCH_BUS_WIRE_ENTRY::GetSelectMenuText( EDA_UNITS aUnits ) const
{
return wxString( _( "Bus to Wire Entry" ) );
}
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 wxPoint& aPosition, int aAccuracy ) const
{
// Insure minimum accuracy
if( aAccuracy == 0 )
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 ) const
{
auto* settings = static_cast<KIGFX::SCH_RENDER_SETTINGS*>( aPlotter->RenderSettings() );
COLOR4D color = ( GetStrokeColor() == COLOR4D::UNSPECIFIED ) ?
settings->GetLayerColor( m_layer ) : GetStrokeColor();
int penWidth = ( GetPenWidth() == 0 ) ? settings->GetDefaultPenWidth() : GetPenWidth();
penWidth = std::max( penWidth, settings->GetMinPenWidth() );
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,
std::vector<MSG_PANEL_ITEM>& aList )
{
wxString msg;
switch( GetLayer() )
{
default:
case LAYER_WIRE: msg = _( "Wire" ); break;
case LAYER_BUS: msg = _( "Bus" ); break;
}
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() )
{
NET_SETTINGS& netSettings = Schematic()->Prj().GetProjectFile().NetSettings();
wxString netname = conn->Name();
wxString netclassName = netSettings.m_NetClasses.GetDefaultPtr()->GetName();
if( netSettings.m_NetClassAssignments.count( netname ) )
netclassName = netSettings.m_NetClassAssignments[ netname ];
aList.emplace_back( _( "Assigned Netclass" ), netclassName );
}
}
}
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;
}
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