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kicad/eeschema/sch_screen.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2013 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 2008 Wayne Stambaugh <stambaughw@gmail.com>
* Copyright (C) 1992-2021 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
*/
/**
* @file sch_screen.cpp
* @brief Implementation of SCH_SCREEN and SCH_SCREENS classes.
*/
#include <eda_rect.h>
#include <id.h>
#include <kicad_string.h>
#include <kiway.h>
#include <pgm_base.h>
#include <plotter.h>
#include <project.h>
#include <reporter.h>
#include <sch_draw_panel.h>
#include <sch_edit_frame.h>
#include <sch_item.h>
#include <class_library.h>
#include <connection_graph.h>
#include <lib_pin.h>
#include <sch_component.h>
#include <sch_junction.h>
#include <sch_line.h>
#include <sch_marker.h>
#include <sch_sheet.h>
#include <sch_text.h>
#include <schematic.h>
#include <symbol_lib_table.h>
#include <tool/common_tools.h>
#include <algorithm>
// TODO(JE) Debugging only
#include <profile.h>
#include "sch_bus_entry.h"
SCH_SCREEN::SCH_SCREEN( EDA_ITEM* aParent ) :
BASE_SCREEN( aParent, SCH_SCREEN_T ),
m_fileFormatVersionAtLoad( 0 ),
m_paper( wxT( "A4" ) )
{
m_modification_sync = 0;
m_refCount = 0;
m_zoomInitialized = false;
m_LastZoomLevel = 1.0;
// Suitable for schematic only. For symbol_editor and viewlib, must be set to true
m_Center = false;
InitDataPoints( m_paper.GetSizeIU() );
}
SCH_SCREEN::~SCH_SCREEN()
{
clearLibSymbols();
FreeDrawList();
}
SCHEMATIC* SCH_SCREEN::Schematic() const
{
wxCHECK_MSG( GetParent() && GetParent()->Type() == SCHEMATIC_T, nullptr,
"SCH_SCREEN must have a SCHEMATIC parent!" );
return static_cast<SCHEMATIC*>( GetParent() );
}
void SCH_SCREEN::clearLibSymbols()
{
for( auto libSymbol : m_libSymbols )
delete libSymbol.second;
m_libSymbols.clear();
}
void SCH_SCREEN::IncRefCount()
{
m_refCount++;
}
void SCH_SCREEN::DecRefCount()
{
wxCHECK_RET( m_refCount != 0,
wxT( "Screen reference count already zero. Bad programmer!" ) );
m_refCount--;
}
bool SCH_SCREEN::HasItems( KICAD_T aItemType ) const
{
EE_RTREE::EE_TYPE sheets = m_rtree.OfType( aItemType );
return sheets.begin() != sheets.end();
}
void SCH_SCREEN::Append( SCH_ITEM* aItem )
{
if( aItem->Type() != SCH_SHEET_PIN_T && aItem->Type() != SCH_FIELD_T )
{
// Ensure the item can reach the SCHEMATIC through this screen
aItem->SetParent( this );
if( aItem->Type() == SCH_COMPONENT_T )
{
SCH_COMPONENT* symbol = static_cast<SCH_COMPONENT*>( aItem );
if( symbol->GetPartRef() )
{
auto it = m_libSymbols.find( symbol->GetSchSymbolLibraryName() );
if( it == m_libSymbols.end() || !it->second )
{
m_libSymbols[symbol->GetSchSymbolLibraryName()] =
new LIB_PART( *symbol->GetPartRef() );
}
else
{
// The original library symbol may have changed since the last time
// it was added to the schematic. If it has changed, then a new name
// must be created for the library symbol list to prevent all of the
// other schematic symbols referencing that library symbol from changing.
LIB_PART* foundSymbol = it->second;
if( *foundSymbol != *symbol->GetPartRef() )
{
int cnt = 1;
wxString newName;
newName.Printf( "%s_%d", symbol->GetLibId().Format().wx_str(), cnt );
while( m_libSymbols.find( newName ) != m_libSymbols.end() )
{
cnt += 1;
newName.Printf( "%s_%d", symbol->GetLibId().Format().wx_str(), cnt );
}
symbol->SetSchSymbolLibraryName( newName );
m_libSymbols[newName] = new LIB_PART( *symbol->GetPartRef() );
}
}
}
}
m_rtree.insert( aItem );
--m_modification_sync;
}
}
void SCH_SCREEN::Append( SCH_SCREEN* aScreen )
{
wxCHECK_RET( aScreen, "Invalid screen object." );
// No need to descend the hierarchy. Once the top level screen is copied, all of it's
// children are copied as well.
for( auto aItem : aScreen->m_rtree )
Append( aItem );
aScreen->Clear( false );
}
void SCH_SCREEN::Clear( bool aFree )
{
if( aFree )
{
FreeDrawList();
clearLibSymbols();
}
else
{
m_rtree.clear();
}
// Clear the project settings
m_virtualPageNumber = m_pageCount = 1;
m_titles.Clear();
}
void SCH_SCREEN::FreeDrawList()
{
// We don't know which order we will encounter dependent items (e.g. pins or fields), so
// we store the items to be deleted until we've fully cleared the tree before deleting
std::vector<SCH_ITEM*> delete_list;
std::copy_if( m_rtree.begin(), m_rtree.end(), std::back_inserter( delete_list ),
[]( SCH_ITEM* aItem )
{
return ( aItem->Type() != SCH_SHEET_PIN_T && aItem->Type() != SCH_FIELD_T );
} );
m_rtree.clear();
for( auto item : delete_list )
delete item;
}
void SCH_SCREEN::Update( SCH_ITEM* aItem )
{
if( Remove( aItem ) )
Append( aItem );
}
bool SCH_SCREEN::Remove( SCH_ITEM* aItem )
{
bool retv = m_rtree.remove( aItem );
// Check if the library symbol for the removed schematic symbol is still required.
if( retv && aItem->Type() == SCH_COMPONENT_T )
{
SCH_COMPONENT* removedSymbol = static_cast<SCH_COMPONENT*>( aItem );
bool removeUnusedLibSymbol = true;
for( SCH_ITEM* item : Items().OfType( SCH_COMPONENT_T ) )
{
SCH_COMPONENT* symbol = static_cast<SCH_COMPONENT*>( item );
if( removedSymbol->GetSchSymbolLibraryName() == symbol->GetSchSymbolLibraryName() )
{
removeUnusedLibSymbol = false;
break;
}
}
if( removeUnusedLibSymbol )
{
auto it = m_libSymbols.find( removedSymbol->GetSchSymbolLibraryName() );
if( it != m_libSymbols.end() )
{
delete it->second;
m_libSymbols.erase( it );
}
}
}
return retv;
}
void SCH_SCREEN::DeleteItem( SCH_ITEM* aItem )
{
wxCHECK_RET( aItem, wxT( "Cannot delete invalid item from screen." ) );
// Markers are not saved in the file, no need to flag as modified.
// TODO: Maybe we should have a listing somewhere of items that aren't saved?
if( aItem->Type() != SCH_MARKER_T )
SetModify();
Remove( aItem );
if( aItem->Type() == SCH_SHEET_PIN_T )
{
// This structure is attached to a sheet, get the parent sheet object.
SCH_SHEET_PIN* sheetPin = (SCH_SHEET_PIN*) aItem;
SCH_SHEET* sheet = sheetPin->GetParent();
wxCHECK_RET( sheet, wxT( "Sheet pin parent not properly set, bad programmer!" ) );
sheet->RemovePin( sheetPin );
return;
}
delete aItem;
}
bool SCH_SCREEN::CheckIfOnDrawList( SCH_ITEM* aItem )
{
return m_rtree.contains( aItem, true );
}
SCH_ITEM* SCH_SCREEN::GetItem( const wxPoint& aPosition, int aAccuracy, KICAD_T aType )
{
EDA_RECT bbox;
bbox.SetOrigin( aPosition );
bbox.Inflate( aAccuracy );
for( auto item : Items().Overlapping( aType, bbox ) )
{
if( item->HitTest( aPosition, aAccuracy ) )
return item;
}
return nullptr;
}
std::set<SCH_ITEM*> SCH_SCREEN::MarkConnections( SCH_LINE* aSegment )
{
std::set<SCH_ITEM*> retval;
std::stack<SCH_LINE*> to_search;
wxCHECK_MSG( aSegment && aSegment->Type() == SCH_LINE_T, retval, wxT( "Invalid pointer." ) );
to_search.push( aSegment );
while( !to_search.empty() )
{
SCH_LINE* test_item = to_search.top();
to_search.pop();
for( SCH_ITEM* item : Items().Overlapping( SCH_JUNCTION_T, test_item->GetBoundingBox() ) )
{
if( test_item->IsEndPoint( item->GetPosition() ) )
retval.insert( item );
}
for( SCH_ITEM* item : Items().Overlapping( SCH_LINE_T, test_item->GetBoundingBox() ) )
{
// Skip connecting lines on different layers (e.g. buses)
if( test_item->GetLayer() != item->GetLayer() )
continue;
SCH_LINE* line = static_cast<SCH_LINE*>( item );
if( ( test_item->IsEndPoint( line->GetStartPoint() )
&& !GetPin( line->GetStartPoint(), NULL, true ) )
|| ( test_item->IsEndPoint( line->GetEndPoint() )
&& !GetPin( line->GetEndPoint(), nullptr, true ) ) )
{
auto result = retval.insert( line );
if( result.second )
to_search.push( line );
}
}
}
return retval;
}
bool SCH_SCREEN::IsJunctionNeeded( const wxPoint& aPosition, bool aNew )
{
enum { WIRES, BUSES } layers;
bool has_nonparallel[ sizeof( layers ) ] = { false };
int end_count[ sizeof( layers ) ] = { 0 };
int entry_count = 0;
int pin_count = 0;
std::vector<SCH_LINE*> lines[ sizeof( layers ) ];
for( SCH_ITEM* item : Items().Overlapping( aPosition ) )
{
if( item->GetEditFlags() & STRUCT_DELETED )
continue;
switch( item->Type() )
{
case SCH_JUNCTION_T:
if( aNew && item->HitTest( aPosition ) )
return false;
break;
case SCH_LINE_T:
if( item->HitTest( aPosition, 0 ) )
{
if( item->GetLayer() == LAYER_WIRE )
lines[WIRES].push_back( (SCH_LINE*) item );
else if( item->GetLayer() == LAYER_BUS )
lines[BUSES].push_back( (SCH_LINE*) item );
}
break;
case SCH_BUS_WIRE_ENTRY_T:
case SCH_BUS_BUS_ENTRY_T:
if( item->IsConnected( aPosition ) )
entry_count++;
break;
case SCH_COMPONENT_T:
case SCH_SHEET_T:
if( item->IsConnected( aPosition ) )
pin_count++;
break;
default:
break;
}
}
for( int i : { WIRES, BUSES } )
{
bool removed_overlapping = false;
for( auto line = lines[i].begin(); line < lines[i].end(); line++ )
{
/// A line with a midpoint should be counted as two endpoints for this calculation
/// because the junction will split the line into two if there is another item
/// present at the point.
if( !(*line)->IsEndPoint( aPosition ) )
end_count[i] += 2;
else
end_count[i]++;
for( auto second_line = lines[i].end() - 1; second_line > line; second_line-- )
{
if( !(*line)->IsParallel( *second_line ) )
has_nonparallel[i] = true;
else if( !removed_overlapping
&& (*line)->IsSameQuadrant( *second_line, aPosition ) )
{
removed_overlapping = true;
}
}
}
///Overlapping lines that point in the same direction should not be counted
/// as extra end_points.
if( removed_overlapping )
end_count[i]--;
}
// If there are three or more endpoints
if( pin_count && pin_count + end_count[WIRES] > 2 )
return true;
// If wire segments overlap an entry
if( entry_count && entry_count + end_count[WIRES] > 2 )
return true;
// If there is at least one segment that ends on a non-parallel line or
// junction of two other lines
if( has_nonparallel[WIRES] && end_count[WIRES] > 2 )
return true;
// Check for bus - bus junction requirements
if( has_nonparallel[BUSES] && end_count[BUSES] > 2 )
return true;
// Check for bus - bus entry requirements
if( !aNew && entry_count && end_count[BUSES] )
return true;
return false;
}
bool SCH_SCREEN::IsTerminalPoint( const wxPoint& aPosition, int aLayer )
{
wxCHECK_MSG( aLayer == LAYER_NOTES || aLayer == LAYER_BUS || aLayer == LAYER_WIRE, false,
wxT( "Invalid layer type passed to SCH_SCREEN::IsTerminalPoint()." ) );
switch( aLayer )
{
case LAYER_BUS:
{
if( GetBus( aPosition ) )
return true;
SCH_SHEET_PIN* sheetPin = GetSheetPin( aPosition );
if( sheetPin && SCH_CONNECTION::MightBeBusLabel( sheetPin->GetText() )
&& sheetPin->IsConnected( aPosition ) )
{
return true;
}
SCH_TEXT* label = GetLabel( aPosition );
if( label && SCH_CONNECTION::MightBeBusLabel( label->GetText() )
&& label->IsConnected( aPosition ) && label->Type() != SCH_LABEL_T )
{
return true;
}
}
break;
case LAYER_NOTES:
{
if( GetLine( aPosition ) )
return true;
}
break;
case LAYER_WIRE:
{
if( GetItem( aPosition, Mils2iu( 6 ), SCH_BUS_WIRE_ENTRY_T) )
return true;
if( GetItem( aPosition, Mils2iu( 6 ), SCH_BUS_BUS_ENTRY_T) )
return true;
if( GetItem( aPosition, Schematic()->Settings().m_JunctionSize, SCH_JUNCTION_T ) )
return true;
if( GetPin( aPosition, NULL, true ) )
return true;
if( GetWire( aPosition ) )
return true;
SCH_TEXT* label = GetLabel( aPosition );
if( label && !SCH_CONNECTION::MightBeBusLabel( label->GetText() )
&& label->IsConnected( aPosition ) && label->Type() != SCH_LABEL_T )
{
return true;
}
SCH_SHEET_PIN* sheetPin = GetSheetPin( aPosition );
if( sheetPin && sheetPin->IsConnected( aPosition )
&& !SCH_CONNECTION::MightBeBusLabel( sheetPin->GetText() ) )
{
return true;
}
}
break;
default:
break;
}
return false;
}
void SCH_SCREEN::UpdateSymbolLinks( REPORTER* aReporter )
{
wxCHECK_RET( Schematic(), "Cannot call SCH_SCREEN::UpdateSymbolLinks with no SCHEMATIC" );
wxString msg;
std::unique_ptr< LIB_PART > libSymbol;
std::vector<SCH_COMPONENT*> symbols;
SYMBOL_LIB_TABLE* libs = Schematic()->Prj().SchSymbolLibTable();
// This will be a nullptr if an s-expression schematic is loaded.
PART_LIBS* legacyLibs = Schematic()->Prj().SchLibs();
for( auto item : Items().OfType( SCH_COMPONENT_T ) )
symbols.push_back( static_cast<SCH_COMPONENT*>( item ) );
// Remove them from the R tree. There bounding box size may change.
for( auto symbol : symbols )
Remove( symbol );
// Clear all existing symbol links.
clearLibSymbols();
for( auto symbol : symbols )
{
LIB_PART* tmp = nullptr;
libSymbol.reset();
// If the symbol is already in the internal library, map the symbol to it.
auto it = m_libSymbols.find( symbol->GetSchSymbolLibraryName() );
if( ( it != m_libSymbols.end() ) )
{
if( aReporter )
{
msg.Printf( _( "Setting schematic symbol '%s %s' library identifier "
"to '%s'. " ),
symbol->GetField( REFERENCE_FIELD )->GetText(),
symbol->GetField( VALUE_FIELD )->GetText(),
symbol->GetLibId().Format().wx_str() );
aReporter->ReportTail( msg, RPT_SEVERITY_INFO );
}
// Internal library symbols are already flattened so just make a copy.
symbol->SetLibSymbol( new LIB_PART( *it->second ) );
continue;
}
if( !symbol->GetLibId().IsValid() )
{
if( aReporter )
{
msg.Printf( _( "Schematic symbol reference '%s' library identifier is not "
"valid. Unable to link library symbol." ),
symbol->GetLibId().Format().wx_str() );
aReporter->ReportTail( msg, RPT_SEVERITY_WARNING );
}
continue;
}
// LIB_TABLE_BASE::LoadSymbol() throws an IO_ERROR if the the library nickname
// is not found in the table so check if the library still exists in the table
// before attempting to load the symbol.
if( !libs->HasLibrary( symbol->GetLibId().GetLibNickname() ) && !legacyLibs )
{
if( aReporter )
{
msg.Printf( _( "Symbol library '%s' not found and no fallback cache "
"library available. Unable to link library symbol." ),
symbol->GetLibId().GetLibNickname().wx_str() );
aReporter->ReportTail( msg, RPT_SEVERITY_WARNING );
}
continue;
}
if( libs->HasLibrary( symbol->GetLibId().GetLibNickname() ) )
{
try
{
tmp = libs->LoadSymbol( symbol->GetLibId() );
}
catch( const IO_ERROR& ioe )
{
if( aReporter )
{
msg.Printf( _( "I/O error %s resolving library symbol %s" ), ioe.What(),
symbol->GetLibId().Format().wx_str() );
aReporter->ReportTail( msg, RPT_SEVERITY_ERROR );
}
}
}
if( !tmp && legacyLibs )
{
// If here, only the cache library should be loaded if the loaded schematic
// is the legacy file format.
wxCHECK2( legacyLibs->GetLibraryCount() == 1, continue );
PART_LIB& legacyCacheLib = legacyLibs->at( 0 );
// ...and it better be the cache library.
wxCHECK2( legacyCacheLib.IsCache(), continue );
wxString id = symbol->GetLibId().Format();
id.Replace( ':', '_' );
if( aReporter )
{
msg.Printf( _( "Falling back to cache to set symbol '%s:%s' link '%s'." ),
symbol->GetField( REFERENCE_FIELD )->GetText(),
symbol->GetField( VALUE_FIELD )->GetText(),
id );
aReporter->ReportTail( msg, RPT_SEVERITY_WARNING );
}
tmp = legacyCacheLib.FindPart( id );
}
if( tmp )
{
// We want a full symbol not just the top level child symbol.
libSymbol = tmp->Flatten();
libSymbol->SetParent();
m_libSymbols.insert( { symbol->GetSchSymbolLibraryName(),
new LIB_PART( *libSymbol.get() ) } );
if( aReporter )
{
msg.Printf( _( "Setting schematic symbol '%s %s' library identifier to '%s'." ),
symbol->GetField( REFERENCE_FIELD )->GetText(),
symbol->GetField( VALUE_FIELD )->GetText(),
symbol->GetLibId().Format().wx_str() );
aReporter->ReportTail( msg, RPT_SEVERITY_INFO );
}
}
else
{
if( aReporter )
{
msg.Printf( _( "No library symbol found for schematic symbol '%s %s'." ),
symbol->GetField( REFERENCE_FIELD )->GetText(),
symbol->GetField( VALUE_FIELD )->GetText() );
aReporter->ReportTail( msg, RPT_SEVERITY_ERROR );
}
}
symbol->SetLibSymbol( libSymbol.release() );
}
// Changing the symbol may adjust the bbox of the symbol. This re-inserts the
// item with the new bbox
for( auto symbol : symbols )
Append( symbol );
}
void SCH_SCREEN::UpdateLocalLibSymbolLinks()
{
std::vector<SCH_COMPONENT*> symbols;
for( SCH_ITEM* item : Items().OfType( SCH_COMPONENT_T ) )
symbols.push_back( static_cast<SCH_COMPONENT*>( item ) );
for( SCH_COMPONENT* symbol : symbols )
{
// Changing the symbol may adjust the bbox of the symbol; remove and reinsert it afterwards.
m_rtree.remove( symbol );
auto it = m_libSymbols.find( symbol->GetSchSymbolLibraryName() );
LIB_PART* libSymbol = nullptr;
if( it != m_libSymbols.end() )
libSymbol = new LIB_PART( *it->second );
symbol->SetLibSymbol( libSymbol );
m_rtree.insert( symbol );
}
}
void SCH_SCREEN::Print( const RENDER_SETTINGS* aSettings )
{
// Ensure links are up to date, even if a library was reloaded for some reason:
std::vector<SCH_ITEM*> junctions;
std::vector<SCH_ITEM*> bitmaps;
std::vector<SCH_ITEM*> other;
for( SCH_ITEM* item : Items() )
{
if( item->IsMoving() || item->IsResized() )
continue;
if( item->Type() == SCH_JUNCTION_T )
junctions.push_back( item );
else if( item->Type() == SCH_BITMAP_T )
bitmaps.push_back( item );
else
other.push_back( item );
}
/// Sort to ensure plot-order consistency with screen drawing
std::sort( other.begin(), other.end(),
[]( const SCH_ITEM* a, const SCH_ITEM* b )
{
if( a->Type() == b->Type() )
return a->GetLayer() > b->GetLayer();
return a->Type() > b->Type();
} );
for( SCH_ITEM* item : bitmaps )
item->Print( aSettings, wxPoint( 0, 0 ) );
for( SCH_ITEM* item : other )
item->Print( aSettings, wxPoint( 0, 0 ) );
for( SCH_ITEM* item : junctions )
item->Print( aSettings, wxPoint( 0, 0 ) );
}
void SCH_SCREEN::Plot( PLOTTER* aPlotter )
{
// Ensure links are up to date, even if a library was reloaded for some reason:
std::vector< SCH_ITEM* > junctions;
std::vector< SCH_ITEM* > bitmaps;
std::vector< SCH_ITEM* > other;
for( auto item : Items() )
{
if( item->IsMoving() || item->IsResized() )
continue;
if( item->Type() == SCH_JUNCTION_T )
junctions.push_back( item );
else if( item->Type() == SCH_BITMAP_T )
bitmaps.push_back( item );
else
other.push_back( item );
}
/// Sort to ensure plot-order consistency with screen drawing
std::sort( other.begin(), other.end(),
[]( const SCH_ITEM* a, const SCH_ITEM* b )
{
if( a->Type() == b->Type() )
return a->GetLayer() > b->GetLayer();
return a->Type() > b->Type();
} );
int defaultPenWidth = aPlotter->RenderSettings()->GetDefaultPenWidth();
// Bitmaps are drawn first to ensure they are in the background
// This is particularly important for the wxPostscriptDC (used in *nix printers) as
// the bitmap PS command clears the screen
for( SCH_ITEM* item : bitmaps )
{
aPlotter->SetCurrentLineWidth( std::max( item->GetPenWidth(), defaultPenWidth ) );
item->Plot( aPlotter );
}
for( SCH_ITEM* item : other )
{
aPlotter->SetCurrentLineWidth( std::max( item->GetPenWidth(), defaultPenWidth ) );
item->Plot( aPlotter );
}
for( SCH_ITEM* item : junctions )
{
aPlotter->SetCurrentLineWidth( std::max( item->GetPenWidth(), defaultPenWidth ) );
item->Plot( aPlotter );
}
}
void SCH_SCREEN::ClearDrawingState()
{
for( SCH_ITEM* item : Items() )
item->ClearTempFlags();
}
LIB_PIN* SCH_SCREEN::GetPin( const wxPoint& aPosition, SCH_COMPONENT** aSymbol,
bool aEndPointOnly )
{
SCH_COMPONENT* candidate = NULL;
LIB_PIN* pin = NULL;
for( SCH_ITEM* item : Items().Overlapping( SCH_COMPONENT_T, aPosition ) )
{
candidate = static_cast<SCH_COMPONENT*>( item );
if( aEndPointOnly )
{
pin = NULL;
if( !candidate->GetPartRef() )
continue;
for( pin = candidate->GetPartRef()->GetNextPin(); pin;
pin = candidate->GetPartRef()->GetNextPin( pin ) )
{
// Skip items not used for this part.
if( candidate->GetUnit() && pin->GetUnit() &&
( pin->GetUnit() != candidate->GetUnit() ) )
continue;
if( candidate->GetConvert() && pin->GetConvert() &&
( pin->GetConvert() != candidate->GetConvert() ) )
continue;
if( candidate->GetPinPhysicalPosition( pin ) == aPosition )
break;
}
if( pin )
break;
}
else
{
pin = (LIB_PIN*) candidate->GetDrawItem( aPosition, LIB_PIN_T );
if( pin )
break;
}
}
if( pin && aSymbol )
*aSymbol = candidate;
return pin;
}
SCH_SHEET_PIN* SCH_SCREEN::GetSheetPin( const wxPoint& aPosition )
{
SCH_SHEET_PIN* sheetPin = nullptr;
for( SCH_ITEM* item : Items().OfType( SCH_SHEET_T ) )
{
auto sheet = static_cast<SCH_SHEET*>( item );
sheetPin = sheet->GetPin( aPosition );
if( sheetPin )
break;
}
return sheetPin;
}
size_t SCH_SCREEN::CountConnectedItems( const wxPoint& aPos, bool aTestJunctions )
{
size_t count = 0;
for( SCH_ITEM* item : Items() )
{
if( ( item->Type() != SCH_JUNCTION_T || aTestJunctions ) && item->IsConnected( aPos ) )
count++;
}
return count;
}
void SCH_SCREEN::ClearAnnotation( SCH_SHEET_PATH* aSheetPath )
{
for( SCH_ITEM* item : Items().OfType( SCH_COMPONENT_T ) )
{
SCH_COMPONENT* symbol = static_cast<SCH_COMPONENT*>( item );
symbol->ClearAnnotation( aSheetPath );
}
}
void SCH_SCREEN::EnsureAlternateReferencesExist()
{
if( GetClientSheetPaths().size() <= 1 ) // No need for alternate reference
return;
for( SCH_ITEM* item : Items().OfType( SCH_COMPONENT_T ) )
{
SCH_COMPONENT* symbol = static_cast<SCH_COMPONENT*>( item );
// Add (when not existing) all sheet path entries
for( const SCH_SHEET_PATH& sheet : GetClientSheetPaths() )
symbol->AddSheetPathReferenceEntryIfMissing( sheet.Path() );
}
}
void SCH_SCREEN::GetHierarchicalItems( std::vector<SCH_ITEM*>* aItems )
{
static KICAD_T hierarchicalTypes[] = { SCH_COMPONENT_T, SCH_SHEET_T, SCH_GLOBAL_LABEL_T, EOT };
for( SCH_ITEM* item : Items() )
{
if( item->IsType( hierarchicalTypes ) )
aItems->push_back( item );
}
}
void SCH_SCREEN::GetSheets( std::vector<SCH_ITEM*>* aItems )
{
for( SCH_ITEM* item : Items().OfType( SCH_SHEET_T ) )
aItems->push_back( item );
std::sort( aItems->begin(), aItems->end(),
[]( EDA_ITEM* a, EDA_ITEM* b ) -> bool
{
if( a->GetPosition().x == b->GetPosition().x )
return a->GetPosition().y < b->GetPosition().y;
else
return a->GetPosition().x < b->GetPosition().x;
} );
}
void SCH_SCREEN::TestDanglingEnds( const SCH_SHEET_PATH* aPath,
std::function<void( SCH_ITEM* )>* aChangedHandler )
{
std::vector<DANGLING_END_ITEM> endPoints;
for( SCH_ITEM* item : Items() )
item->GetEndPoints( endPoints );
for( SCH_ITEM* item : Items() )
{
if( item->UpdateDanglingState( endPoints, aPath ) )
{
if( aChangedHandler )
(*aChangedHandler)( item );
}
}
}
SCH_LINE* SCH_SCREEN::GetLine( const wxPoint& aPosition, int aAccuracy, int aLayer,
SCH_LINE_TEST_T aSearchType )
{
// an accuracy of 0 had problems with rounding errors; use at least 1
aAccuracy = std::max( aAccuracy, 1 );
for( SCH_ITEM* item : Items() )
{
if( item->Type() != SCH_LINE_T )
continue;
if( item->GetLayer() != aLayer )
continue;
if( !item->HitTest( aPosition, aAccuracy ) )
continue;
switch( aSearchType )
{
case ENTIRE_LENGTH_T:
return (SCH_LINE*) item;
case EXCLUDE_END_POINTS_T:
if( !( (SCH_LINE*) item )->IsEndPoint( aPosition ) )
return (SCH_LINE*) item;
break;
case END_POINTS_ONLY_T:
if( ( (SCH_LINE*) item )->IsEndPoint( aPosition ) )
return (SCH_LINE*) item;
}
}
return NULL;
}
SCH_TEXT* SCH_SCREEN::GetLabel( const wxPoint& aPosition, int aAccuracy )
{
for( SCH_ITEM* item : Items().Overlapping( aPosition, aAccuracy ) )
{
switch( item->Type() )
{
case SCH_LABEL_T:
case SCH_GLOBAL_LABEL_T:
case SCH_HIER_LABEL_T:
if( item->HitTest( aPosition, aAccuracy ) )
return (SCH_TEXT*) item;
break;
default:
;
}
}
return NULL;
}
void SCH_SCREEN::AddLibSymbol( LIB_PART* aLibSymbol )
{
wxCHECK( aLibSymbol, /* void */ );
wxString libSymbolName = aLibSymbol->GetLibId().Format().wx_str();
auto it = m_libSymbols.find( libSymbolName );
if( it != m_libSymbols.end() )
{
delete it->second;
m_libSymbols.erase( it );
}
m_libSymbols[libSymbolName] = aLibSymbol;
}
void SCH_SCREEN::AddBusAlias( std::shared_ptr<BUS_ALIAS> aAlias )
{
m_aliases.insert( aAlias );
}
#if defined(DEBUG)
void SCH_SCREEN::Show( int nestLevel, std::ostream& os ) const
{
// for now, make it look like XML, expand on this later.
NestedSpace( nestLevel, os ) << '<' << GetClass().Lower().mb_str() << ">\n";
for( const SCH_ITEM* item : Items() )
item->Show( nestLevel + 1, os );
NestedSpace( nestLevel, os ) << "</" << GetClass().Lower().mb_str() << ">\n";
}
#endif
SCH_SCREENS::SCH_SCREENS( SCH_SHEET* aSheet )
{
m_index = 0;
buildScreenList( aSheet );
}
SCH_SCREENS::~SCH_SCREENS()
{
}
SCH_SCREEN* SCH_SCREENS::GetFirst()
{
m_index = 0;
if( m_screens.size() > 0 )
return m_screens[0];
return NULL;
}
SCH_SCREEN* SCH_SCREENS::GetNext()
{
if( m_index < m_screens.size() )
m_index++;
return GetScreen( m_index );
}
SCH_SCREEN* SCH_SCREENS::GetScreen( unsigned int aIndex ) const
{
if( aIndex < m_screens.size() )
return m_screens[ aIndex ];
return NULL;
}
SCH_SHEET* SCH_SCREENS::GetSheet( unsigned int aIndex ) const
{
if( aIndex < m_sheets.size() )
return m_sheets[ aIndex ];
return NULL;
}
void SCH_SCREENS::addScreenToList( SCH_SCREEN* aScreen, SCH_SHEET* aSheet )
{
if( aScreen == NULL )
return;
for( const SCH_SCREEN* screen : m_screens )
{
if( screen == aScreen )
return;
}
m_screens.push_back( aScreen );
m_sheets.push_back( aSheet );
}
void SCH_SCREENS::buildScreenList( SCH_SHEET* aSheet )
{
if( aSheet && aSheet->Type() == SCH_SHEET_T )
{
SCH_SCREEN* screen = aSheet->GetScreen();
addScreenToList( screen, aSheet );
for( SCH_ITEM* item : screen->Items().OfType( SCH_SHEET_T ) )
buildScreenList( static_cast<SCH_SHEET*>( item ) );
}
}
void SCH_SCREENS::ClearAnnotationOfNewSheetPaths( SCH_SHEET_LIST& aInitialSheetPathList )
{
SCH_SCREEN* first = GetFirst();
if( !first )
return;
SCHEMATIC* sch = first->Schematic();
wxCHECK_RET( sch, "Null schematic in SCH_SCREENS::ClearAnnotationOfNewSheetPaths" );
// Clear the annotation for symbols inside new sheetpaths not already in aInitialSheetList
SCH_SCREENS screensList( sch->Root() ); // The list of screens, shared by sheet paths
screensList.BuildClientSheetPathList(); // build the shared by sheet paths, by screen
// Search for new sheet paths, not existing in aInitialSheetPathList
// and existing in sheetpathList
for( SCH_SHEET_PATH& sheetpath : sch->GetSheets() )
{
bool path_exists = false;
for( const SCH_SHEET_PATH& existing_sheetpath: aInitialSheetPathList )
{
if( existing_sheetpath.Path() == sheetpath.Path() )
{
path_exists = true;
break;
}
}
if( !path_exists )
{
// A new sheet path is found: clear the annotation corresponding to this new path:
SCH_SCREEN* curr_screen = sheetpath.LastScreen();
// Clear annotation and create the AR for this path, if not exists,
// when the screen is shared by sheet paths.
// Otherwise ClearAnnotation do nothing, because the F1 field is used as
// reference default value and takes the latest displayed value
curr_screen->EnsureAlternateReferencesExist();
curr_screen->ClearAnnotation( &sheetpath );
}
}
}
int SCH_SCREENS::ReplaceDuplicateTimeStamps()
{
std::vector<SCH_ITEM*> items;
int count = 0;
auto timestamp_cmp = []( const EDA_ITEM* a, const EDA_ITEM* b ) -> bool
{
return a->m_Uuid < b->m_Uuid;
};
std::set<EDA_ITEM*, decltype( timestamp_cmp )> unique_stamps( timestamp_cmp );
for( SCH_SCREEN* screen : m_screens )
screen->GetHierarchicalItems( &items );
if( items.size() < 2 )
return 0;
for( EDA_ITEM* item : items )
{
if( !unique_stamps.insert( item ).second )
{
// Reset to fully random UUID. This may lose reference, but better to be
// deterministic about it rather than to have duplicate UUIDs with random
// side-effects.
const_cast<KIID&>( item->m_Uuid ) = KIID();
count++;
}
}
return count;
}
void SCH_SCREENS::DeleteMarker( SCH_MARKER* aMarker )
{
for( SCH_SCREEN* screen = GetFirst(); screen; screen = GetNext() )
{
for( SCH_ITEM* item : screen->Items().OfType( SCH_MARKER_T ) )
{
if( item == aMarker )
{
screen->DeleteItem( item );
return;
}
}
}
}
void SCH_SCREENS::DeleteMarkers( enum MARKER_BASE::TYPEMARKER aMarkerType, int aErrorCode,
bool aIncludeExclusions )
{
for( SCH_SCREEN* screen = GetFirst(); screen; screen = GetNext() )
{
std::vector<SCH_ITEM*> markers;
for( SCH_ITEM* item : screen->Items().OfType( SCH_MARKER_T ) )
{
SCH_MARKER* marker = static_cast<SCH_MARKER*>( item );
std::shared_ptr<RC_ITEM>rcItem = marker->GetRCItem();
if( marker->GetMarkerType() == aMarkerType
&& ( aErrorCode == ERCE_UNSPECIFIED || rcItem->GetErrorCode() == aErrorCode )
&& ( !marker->IsExcluded() || aIncludeExclusions ) )
{
markers.push_back( item );
}
}
for( SCH_ITEM* marker : markers )
screen->DeleteItem( marker );
}
}
void SCH_SCREENS::DeleteAllMarkers( enum MARKER_BASE::TYPEMARKER aMarkerType,
bool aIncludeExclusions )
{
DeleteMarkers( aMarkerType, ERCE_UNSPECIFIED, aIncludeExclusions );
}
void SCH_SCREENS::UpdateSymbolLinks( REPORTER* aReporter )
{
for( SCH_SCREEN* screen = GetFirst(); screen; screen = GetNext() )
screen->UpdateSymbolLinks( aReporter );
SCH_SCREEN* first = GetFirst();
if( !first )
return;
SCHEMATIC* sch = first->Schematic();
wxCHECK_RET( sch, "Null schematic in SCH_SCREENS::UpdateSymbolLinks" );
SCH_SHEET_LIST sheets = sch->GetSheets();
// All of the library symbols have been replaced with copies so the connection graph
// pointers are stale.
if( sch->ConnectionGraph() )
sch->ConnectionGraph()->Recalculate( sheets, true );
}
bool SCH_SCREENS::HasNoFullyDefinedLibIds()
{
SCH_SCREEN* screen;
unsigned cnt = 0;
for( screen = GetFirst(); screen; screen = GetNext() )
{
for( auto item : screen->Items().OfType( SCH_COMPONENT_T ) )
{
cnt++;
SCH_COMPONENT* symbol = static_cast<SCH_COMPONENT*>( item );
if( !symbol->GetLibId().GetLibNickname().empty() )
return false;
}
}
return cnt != 0;
}
size_t SCH_SCREENS::GetLibNicknames( wxArrayString& aLibNicknames )
{
for( SCH_SCREEN* screen = GetFirst(); screen; screen = GetNext() )
{
for( auto item : screen->Items().OfType( SCH_COMPONENT_T ) )
{
SCH_COMPONENT* symbol = static_cast<SCH_COMPONENT*>( item );
const UTF8& nickname = symbol->GetLibId().GetLibNickname();
if( !nickname.empty() && ( aLibNicknames.Index( nickname ) == wxNOT_FOUND ) )
aLibNicknames.Add( nickname );
}
}
return aLibNicknames.GetCount();
}
int SCH_SCREENS::ChangeSymbolLibNickname( const wxString& aFrom, const wxString& aTo )
{
SCH_SCREEN* screen;
int cnt = 0;
for( screen = GetFirst(); screen; screen = GetNext() )
{
for( auto item : screen->Items().OfType( SCH_COMPONENT_T ) )
{
auto symbol = static_cast<SCH_COMPONENT*>( item );
if( symbol->GetLibId().GetLibNickname() != aFrom )
continue;
LIB_ID id = symbol->GetLibId();
id.SetLibNickname( aTo );
symbol->SetLibId( id );
cnt++;
}
}
return cnt;
}
bool SCH_SCREENS::HasSchematic( const wxString& aSchematicFileName )
{
for( const SCH_SCREEN* screen = GetFirst(); screen; screen = GetNext() )
{
if( screen->GetFileName() == aSchematicFileName )
return true;
}
return false;
}
bool SCH_SCREENS::CanCauseCaseSensitivityIssue( const wxString& aSchematicFileName ) const
{
wxString lhsLower;
wxString rhsLower;
wxFileName lhs;
wxFileName rhs = aSchematicFileName;
wxCHECK( rhs.IsAbsolute(), false );
for( const SCH_SCREEN* screen : m_screens )
{
lhs = screen->GetFileName();
if( lhs.GetPath() != rhs.GetPath() )
continue;
lhsLower = lhs.GetFullName().Lower();
rhsLower = rhs.GetFullName().Lower();
if( lhsLower == rhsLower && lhs.GetFullName() != rhs.GetFullName() )
return true;
}
return false;
}
void SCH_SCREENS::BuildClientSheetPathList()
{
SCH_SCREEN* first = GetFirst();
if( !first )
return;
SCHEMATIC* sch = first->Schematic();
wxCHECK_RET( sch, "Null schematic in SCH_SCREENS::BuildClientSheetPathList" );
for( SCH_SCREEN* curr_screen = GetFirst(); curr_screen; curr_screen = GetNext() )
curr_screen->GetClientSheetPaths().clear();
for( SCH_SHEET_PATH& sheetpath : sch->GetSheets() )
{
SCH_SCREEN* used_screen = sheetpath.LastScreen();
// SEarch for the used_screen in list and add this unique sheet path:
for( SCH_SCREEN* curr_screen = GetFirst(); curr_screen; curr_screen = GetNext() )
{
if( used_screen == curr_screen )
{
curr_screen->GetClientSheetPaths().push_back( sheetpath );
break;
}
}
}
}
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