481 lines
15 KiB
C++
481 lines
15 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, jean-pierre.charras@gipsa-lab.inpg.fr
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* Copyright (C) 2004-2021 KiCad Developers, see change_log.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 <core/kicad_algo.h>
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#include <eeschema_id.h>
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#include <general.h>
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#include <lib_item.h>
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#include <sch_bus_entry.h>
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#include <sch_symbol.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_no_connect.h>
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#include <sch_screen.h>
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#include <sch_sheet.h>
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#include <sch_view.h>
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#include <tool/tool_manager.h>
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#include <tools/ee_actions.h>
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#include <tools/ee_selection_tool.h>
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#include <trigo.h>
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std::vector<wxPoint> SCH_EDIT_FRAME::GetSchematicConnections()
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{
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std::vector<wxPoint> retval;
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for( SCH_ITEM* item : GetScreen()->Items() )
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{
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// Avoid items that are changing
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if( !( item->GetEditFlags() & ( IS_DRAGGED | IS_MOVED | IS_DELETED ) ) )
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{
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std::vector<wxPoint> pts = item->GetConnectionPoints();
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retval.insert( retval.end(), pts.begin(), pts.end() );
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}
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}
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// We always have some overlapping connection points. Drop duplicates here
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std::sort( retval.begin(), retval.end(),
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[]( const wxPoint& a, const wxPoint& b ) -> bool
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{ return a.x < b.x || (a.x == b.x && a.y < b.y); } );
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retval.erase(
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std::unique( retval.begin(), retval.end() ), retval.end() );
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return retval;
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}
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void SCH_EDIT_FRAME::TestDanglingEnds()
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{
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std::function<void( SCH_ITEM* )> changeHandler =
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[&]( SCH_ITEM* aChangedItem ) -> void
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{
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GetCanvas()->GetView()->Update( aChangedItem, KIGFX::REPAINT );
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};
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GetScreen()->TestDanglingEnds( nullptr, &changeHandler );
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}
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bool SCH_EDIT_FRAME::TrimWire( const wxPoint& aStart, const wxPoint& aEnd )
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{
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SCH_SCREEN* screen = GetScreen();
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bool retval = false;
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std::vector<SCH_LINE*> wires;
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EDA_RECT bb( aStart, wxSize( 1, 1 ) );
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bb.Merge( aEnd );
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if( aStart == aEnd )
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return retval;
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// We cannot modify the RTree while iterating, so push the possible
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// wires into a separate structure.
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for( EDA_ITEM* item : screen->Items().Overlapping( bb ) )
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{
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SCH_LINE* line = static_cast<SCH_LINE*>( item );
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if( item->Type() == SCH_LINE_T && line->GetLayer() == LAYER_WIRE )
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wires.push_back( line );
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}
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for( SCH_LINE* line : wires )
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{
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// Don't remove wires that are already deleted or are currently being dragged
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if( line->GetEditFlags() & ( STRUCT_DELETED | IS_DRAGGED | IS_MOVED | SKIP_STRUCT ) )
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continue;
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if( !IsPointOnSegment( line->GetStartPoint(), line->GetEndPoint(), aStart ) ||
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!IsPointOnSegment( line->GetStartPoint(), line->GetEndPoint(), aEnd ) )
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{
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continue;
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}
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// Don't remove entire wires
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if( ( line->GetStartPoint() == aStart && line->GetEndPoint() == aEnd )
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|| ( line->GetStartPoint() == aEnd && line->GetEndPoint() == aStart ) )
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{
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continue;
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}
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// Step 1: break the segment on one end. return_line remains line if not broken.
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// Ensure that *line points to the segment containing aEnd
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SCH_LINE* return_line = line;
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BreakSegment( line, aStart, &return_line );
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if( IsPointOnSegment( return_line->GetStartPoint(), return_line->GetEndPoint(), aEnd ) )
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line = return_line;
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// Step 2: break the remaining segment. return_line remains line if not broken.
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// Ensure that *line _also_ contains aStart. This is our overlapping segment
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BreakSegment( line, aEnd, &return_line );
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if( IsPointOnSegment( return_line->GetStartPoint(), return_line->GetEndPoint(), aStart ) )
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line = return_line;
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SaveCopyInUndoList( screen, line, UNDO_REDO::DELETED, true );
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RemoveFromScreen( line, screen );
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retval = true;
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}
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return retval;
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}
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bool SCH_EDIT_FRAME::SchematicCleanUp( SCH_SCREEN* aScreen )
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{
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PICKED_ITEMS_LIST itemList;
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EE_SELECTION_TOOL* selectionTool = m_toolManager->GetTool<EE_SELECTION_TOOL>();
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std::vector<SCH_ITEM*> deletedItems;
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std::vector<SCH_LINE*> lines;
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std::vector<SCH_JUNCTION*> junctions;
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std::vector<SCH_NO_CONNECT*> ncs;
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bool changed = true;
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if( aScreen == nullptr )
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aScreen = GetScreen();
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auto remove_item = [&]( SCH_ITEM* aItem ) -> void
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{
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changed = true;
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aItem->SetFlags( STRUCT_DELETED );
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itemList.PushItem( ITEM_PICKER( aScreen, aItem, UNDO_REDO::DELETED ) );
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deletedItems.push_back( aItem );
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};
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BreakSegmentsOnJunctions( aScreen );
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for( SCH_ITEM* item : aScreen->Items().OfType( SCH_JUNCTION_T ) )
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{
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if( !aScreen->IsJunctionNeeded( item->GetPosition() ) )
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remove_item( item );
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else
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junctions.push_back( static_cast<SCH_JUNCTION*>( item ) );
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}
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for( SCH_ITEM* item : aScreen->Items().OfType( SCH_NO_CONNECT_T ) )
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{
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ncs.push_back( static_cast<SCH_NO_CONNECT*>( item ) );
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}
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alg::for_all_pairs( junctions.begin(), junctions.end(),
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[&]( SCH_JUNCTION* aFirst, SCH_JUNCTION* aSecond )
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{
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if( ( aFirst->GetEditFlags() & STRUCT_DELETED )
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|| ( aSecond->GetEditFlags() & STRUCT_DELETED ) )
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{
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return;
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}
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if( aFirst->GetPosition() == aSecond->GetPosition() )
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remove_item( aSecond );
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} );
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alg::for_all_pairs( ncs.begin(), ncs.end(),
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[&]( SCH_NO_CONNECT* aFirst, SCH_NO_CONNECT* aSecond )
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{
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if( ( aFirst->GetEditFlags() & STRUCT_DELETED )
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|| ( aSecond->GetEditFlags() & STRUCT_DELETED ) )
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{
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return;
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}
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if( aFirst->GetPosition() == aSecond->GetPosition() )
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remove_item( aSecond );
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} );
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while( changed )
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{
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changed = false;
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lines.clear();
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for( SCH_ITEM* item : aScreen->Items().OfType( SCH_LINE_T ) )
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{
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if( item->GetLayer() == LAYER_WIRE || item->GetLayer() == LAYER_BUS )
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lines.push_back( static_cast<SCH_LINE*>( item ) );
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}
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for( auto it1 = lines.begin(); it1 != lines.end(); ++it1 )
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{
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SCH_LINE* firstLine = *it1;
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if( firstLine->GetEditFlags() & STRUCT_DELETED )
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continue;
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if( firstLine->IsNull() )
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{
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remove_item( firstLine );
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continue;
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}
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auto it2 = it1;
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for( ++it2; it2 != lines.end(); ++it2 )
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{
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SCH_LINE* secondLine = *it2;
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if( secondLine->GetFlags() & STRUCT_DELETED )
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continue;
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if( !secondLine->IsParallel( firstLine )
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|| !secondLine->IsStrokeEquivalent( firstLine )
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|| secondLine->GetLayer() != firstLine->GetLayer() )
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{
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continue;
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}
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// Remove identical lines
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if( firstLine->IsEndPoint( secondLine->GetStartPoint() )
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&& firstLine->IsEndPoint( secondLine->GetEndPoint() ) )
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{
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remove_item( secondLine );
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continue;
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}
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// See if we can merge an overlap (or two colinear touching segments with
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// no junction where they meet).
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SCH_LINE* mergedLine = secondLine->MergeOverlap( aScreen, firstLine, true );
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if( mergedLine != nullptr )
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{
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remove_item( firstLine );
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remove_item( secondLine );
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itemList.PushItem( ITEM_PICKER( aScreen, mergedLine, UNDO_REDO::NEWITEM ) );
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AddToScreen( mergedLine, aScreen );
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if( firstLine->IsSelected() )
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selectionTool->AddItemToSel( mergedLine, true /*quiet mode*/ );
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break;
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}
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}
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}
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}
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for( SCH_ITEM* item : deletedItems )
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{
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if( item->IsSelected() )
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selectionTool->RemoveItemFromSel( item, true /*quiet mode*/ );
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RemoveFromScreen( item, aScreen );
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}
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if( itemList.GetCount() )
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SaveCopyInUndoList( itemList, UNDO_REDO::DELETED, true );
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return itemList.GetCount() > 0;
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}
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bool SCH_EDIT_FRAME::BreakSegment( SCH_LINE* aSegment, const wxPoint& aPoint,
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SCH_LINE** aNewSegment, SCH_SCREEN* aScreen )
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{
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if( aScreen == nullptr )
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aScreen = GetScreen();
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SCH_LINE* newSegment = new SCH_LINE( *aSegment );
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newSegment->SetStartPoint( aPoint );
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AddToScreen( newSegment, aScreen );
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SaveCopyInUndoList( aScreen, newSegment, UNDO_REDO::NEWITEM, true );
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SaveCopyInUndoList( aScreen, aSegment, UNDO_REDO::CHANGED, true );
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UpdateItem( aSegment );
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aSegment->SetEndPoint( aPoint );
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if( aNewSegment )
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*aNewSegment = newSegment;
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return true;
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}
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bool SCH_EDIT_FRAME::BreakSegments( const wxPoint& aPoint, SCH_SCREEN* aScreen )
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{
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static const KICAD_T wiresAndBuses[] = { SCH_LINE_LOCATE_WIRE_T, SCH_LINE_LOCATE_BUS_T, EOT };
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if( aScreen == nullptr )
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aScreen = GetScreen();
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bool brokenSegments = false;
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std::vector<SCH_LINE*> wires;
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for( SCH_ITEM* item : aScreen->Items().Overlapping( SCH_LINE_T, aPoint ) )
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{
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if( item->IsType( wiresAndBuses ) )
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{
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SCH_LINE* wire = static_cast<SCH_LINE*>( item );
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if( IsPointOnSegment( wire->GetStartPoint(), wire->GetEndPoint(), aPoint )
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&& !wire->IsEndPoint( aPoint ) )
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{
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wires.push_back( wire );
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}
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}
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}
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for( SCH_LINE* wire : wires )
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brokenSegments |= BreakSegment( wire, aPoint, NULL, aScreen );
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return brokenSegments;
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}
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bool SCH_EDIT_FRAME::BreakSegmentsOnJunctions( SCH_SCREEN* aScreen )
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{
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if( aScreen == nullptr )
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aScreen = GetScreen();
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bool brokenSegments = false;
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std::set<wxPoint> point_set;
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for( SCH_ITEM* item : aScreen->Items().OfType( SCH_JUNCTION_T ) )
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point_set.insert( item->GetPosition() );
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for( SCH_ITEM* item : aScreen->Items().OfType( SCH_BUS_WIRE_ENTRY_T ) )
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{
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SCH_BUS_WIRE_ENTRY* entry = static_cast<SCH_BUS_WIRE_ENTRY*>( item );
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point_set.insert( entry->GetPosition() );
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point_set.insert( entry->GetEnd() );
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}
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for( const wxPoint& pt : point_set )
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brokenSegments |= BreakSegments( pt, aScreen );
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return brokenSegments;
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}
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void SCH_EDIT_FRAME::DeleteJunction( SCH_ITEM* aJunction, bool aAppend )
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{
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SCH_SCREEN* screen = GetScreen();
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PICKED_ITEMS_LIST undoList;
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EE_SELECTION_TOOL* selectionTool = m_toolManager->GetTool<EE_SELECTION_TOOL>();
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KICAD_T wiresAndBuses[] = { SCH_LINE_LOCATE_WIRE_T, SCH_LINE_LOCATE_BUS_T, EOT };
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auto remove_item = [ & ]( SCH_ITEM* aItem ) -> void
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{
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aItem->SetFlags( STRUCT_DELETED );
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undoList.PushItem( ITEM_PICKER( screen, aItem, UNDO_REDO::DELETED ) );
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};
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remove_item( aJunction );
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RemoveFromScreen( aJunction, screen );
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/// Note that std::list or similar is required here as we may insert values in the
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/// loop below. This will invalidate iterators in a std::vector or std::deque
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std::list<SCH_LINE*> lines;
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for( SCH_ITEM* item : screen->Items().Overlapping( SCH_LINE_T, aJunction->GetPosition() ) )
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{
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SCH_LINE* line = static_cast<SCH_LINE*>( item );
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if( line->IsType( wiresAndBuses ) && line->IsEndPoint( aJunction->GetPosition() )
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&& !( line->GetEditFlags() & STRUCT_DELETED ) )
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lines.push_back( line );
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}
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alg::for_all_pairs( lines.begin(), lines.end(),
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[&]( SCH_LINE* firstLine, SCH_LINE* secondLine )
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{
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if( ( firstLine->GetEditFlags() & STRUCT_DELETED )
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|| ( secondLine->GetEditFlags() & STRUCT_DELETED )
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|| !secondLine->IsParallel( firstLine ) )
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{
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return;
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}
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// Remove identical lines
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if( firstLine->IsEndPoint( secondLine->GetStartPoint() )
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&& firstLine->IsEndPoint( secondLine->GetEndPoint() ) )
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{
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remove_item( firstLine );
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return;
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}
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// Try to merge the remaining lines
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if( SCH_LINE* line = secondLine->MergeOverlap( screen, firstLine, false ) )
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{
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remove_item( firstLine );
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remove_item( secondLine );
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undoList.PushItem( ITEM_PICKER( screen, line, UNDO_REDO::NEWITEM ) );
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AddToScreen( line, screen );
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if( line->IsSelected() )
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selectionTool->AddItemToSel( line, true /*quiet mode*/ );
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lines.push_back( line );
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}
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} );
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SaveCopyInUndoList( undoList, UNDO_REDO::DELETED, aAppend );
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for( SCH_LINE* line : lines )
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{
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if( line->GetEditFlags() & STRUCT_DELETED )
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{
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if( line->IsSelected() )
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selectionTool->RemoveItemFromSel( line, true /*quiet mode*/ );
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RemoveFromScreen( line, screen );
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}
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}
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}
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SCH_JUNCTION* SCH_EDIT_FRAME::AddJunction( SCH_SCREEN* aScreen, const wxPoint& aPos,
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bool aUndoAppend, bool aFinal )
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{
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SCH_JUNCTION* junction = new SCH_JUNCTION( aPos );
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AddToScreen( junction, aScreen );
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SaveCopyInUndoList( aScreen, junction, UNDO_REDO::NEWITEM, aUndoAppend );
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BreakSegments( aPos );
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if( aFinal )
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{
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m_toolManager->PostEvent( EVENTS::SelectedItemsModified );
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TestDanglingEnds();
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OnModify();
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KIGFX::SCH_VIEW* view = GetCanvas()->GetView();
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view->ClearPreview();
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view->ShowPreview( false );
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view->ClearHiddenFlags();
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}
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return junction;
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}
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