/* * This program source code file is part of KICAD, a free EDA CAD application. * * Copyright (C) 2011 Wayne Stambaugh * Copyright (C) 2004-2011 Kicad Developers, see change_log.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 "general.h" #include "transform.h" #include "sch_collectors.h" #include "sch_component.h" #include "sch_line.h" const KICAD_T SCH_COLLECTOR::AllItems[] = { SCH_MARKER_T, SCH_JUNCTION_T, SCH_NO_CONNECT_T, SCH_BUS_ENTRY_T, SCH_LINE_T, SCH_POLYLINE_T, SCH_TEXT_T, SCH_LABEL_T, SCH_GLOBAL_LABEL_T, SCH_HIERARCHICAL_LABEL_T, SCH_FIELD_T, SCH_COMPONENT_T, LIB_PIN_T, SCH_SHEET_PIN_T, SCH_SHEET_T, EOT }; const KICAD_T SCH_COLLECTOR::AllItemsButPins[] = { SCH_MARKER_T, SCH_JUNCTION_T, SCH_NO_CONNECT_T, SCH_BUS_ENTRY_T, SCH_LINE_T, SCH_POLYLINE_T, SCH_TEXT_T, SCH_LABEL_T, SCH_GLOBAL_LABEL_T, SCH_HIERARCHICAL_LABEL_T, SCH_FIELD_T, SCH_COMPONENT_T, SCH_SHEET_PIN_T, SCH_SHEET_T, EOT }; const KICAD_T SCH_COLLECTOR::EditableItems[] = { SCH_TEXT_T, SCH_LABEL_T, SCH_GLOBAL_LABEL_T, SCH_HIERARCHICAL_LABEL_T, SCH_FIELD_T, SCH_COMPONENT_T, SCH_SHEET_PIN_T, SCH_SHEET_T, EOT }; const KICAD_T SCH_COLLECTOR::MovableItems[] = { SCH_MARKER_T, // SCH_JUNCTION_T, SCH_NO_CONNECT_T, SCH_BUS_ENTRY_T, // SCH_LINE_T, SCH_POLYLINE_T, SCH_TEXT_T, SCH_LABEL_T, SCH_GLOBAL_LABEL_T, SCH_HIERARCHICAL_LABEL_T, SCH_FIELD_T, SCH_COMPONENT_T, SCH_SHEET_PIN_T, SCH_SHEET_T, EOT }; const KICAD_T SCH_COLLECTOR::DraggableItems[] = { SCH_JUNCTION_T, SCH_BUS_ENTRY_T, SCH_LINE_T, SCH_POLYLINE_T, SCH_GLOBAL_LABEL_T, SCH_HIERARCHICAL_LABEL_T, SCH_COMPONENT_T, SCH_SHEET_T, EOT }; const KICAD_T SCH_COLLECTOR::RotatableItems[] = { SCH_TEXT_T, SCH_LABEL_T, SCH_GLOBAL_LABEL_T, SCH_HIERARCHICAL_LABEL_T, SCH_FIELD_T, SCH_COMPONENT_T, SCH_SHEET_T, EOT }; const KICAD_T SCH_COLLECTOR::ParentItems[] = { SCH_MARKER_T, SCH_JUNCTION_T, SCH_NO_CONNECT_T, SCH_BUS_ENTRY_T, SCH_LINE_T, SCH_POLYLINE_T, SCH_TEXT_T, SCH_LABEL_T, SCH_GLOBAL_LABEL_T, SCH_HIERARCHICAL_LABEL_T, SCH_COMPONENT_T, SCH_SHEET_PIN_T, SCH_SHEET_T, EOT }; const KICAD_T SCH_COLLECTOR::ComponentsOnly[] = { SCH_COMPONENT_T, EOT }; const KICAD_T SCH_COLLECTOR::SheetsOnly[] = { SCH_SHEET_T, EOT }; const KICAD_T SCH_COLLECTOR::SheetsAndSheetLabels[] = { SCH_SHEET_PIN_T, SCH_SHEET_T, EOT }; SEARCH_RESULT SCH_COLLECTOR::Inspect( EDA_ITEM* aItem, const void* aTestData ) { if( aItem->Type() != LIB_PIN_T && !aItem->HitTest( m_RefPos ) ) return SEARCH_CONTINUE; // Pins have special hit testing requirements that are relative to their parent // SCH_COMPONENT item. if( aItem->Type() == LIB_PIN_T ) { wxCHECK_MSG( aTestData && ( (EDA_ITEM*) aTestData )->Type() == SCH_COMPONENT_T, SEARCH_CONTINUE, wxT( "Cannot inspect invalid data. Bad programmer!" ) ); // Pin hit testing is relative to the components position and orientation in the // schematic. The hit test position must be converted to library coordinates. SCH_COMPONENT* component = (SCH_COMPONENT*) aTestData; TRANSFORM transform = component->GetTransform().InverseTransform(); wxPoint position = transform.TransformCoordinate( m_RefPos - component->m_Pos ); position.y *= -1; // Y axis polarity in schematic is inverted from library. if( !aItem->HitTest( position ) ) return SEARCH_CONTINUE; } Append( aItem ); return SEARCH_CONTINUE; } void SCH_COLLECTOR::Collect( SCH_ITEM* aItem, const KICAD_T aFilterList[], const wxPoint& aPosition ) { Empty(); // empty the collection just in case SetScanTypes( aFilterList ); // remember where the snapshot was taken from and pass refPos to the Inspect() function. SetRefPos( aPosition ); EDA_ITEM::IterateForward( aItem, this, NULL, m_ScanTypes ); } bool SCH_COLLECTOR::IsCorner() const { if( GetCount() != 2 ) return false; if( (m_List[0]->Type() == SCH_LINE_T) && (m_List[1]->Type() == SCH_LINE_T) ) return true; if( (m_List[0]->Type() == SCH_LINE_T) && (m_List[1]->Type() == SCH_BUS_ENTRY_T) ) return true; if( (m_List[0]->Type() == SCH_BUS_ENTRY_T) && (m_List[1]->Type() == SCH_LINE_T) ) return true; return false; } bool SCH_COLLECTOR::IsNode( bool aIncludePins ) const { for( size_t i = 0; i < m_List.size(); i++ ) { SCH_ITEM* item = (SCH_ITEM*) m_List[ i ]; KICAD_T type = item->Type(); if( type == SCH_JUNCTION_T ) continue; if( type == SCH_LINE_T ) { if( item->GetLayer() != LAYER_WIRE ) return false; continue; } if( type == LIB_PIN_T ) { if( !aIncludePins ) return false; continue; } // Any other item types indicate that this collection is not a node. return false; } return true; } bool SCH_COLLECTOR::IsDraggableJunction() const { int wireEndCount = 0; int wireMidPoint = 0; int junctionCount = 0; for( size_t i = 0; i < m_List.size(); i++ ) { SCH_ITEM* item = (SCH_ITEM*) m_List[ i ]; KICAD_T type = item->Type(); if( type == SCH_JUNCTION_T ) { junctionCount++; continue; } if( type == SCH_LINE_T ) { if( item->GetLayer() != LAYER_WIRE ) return false; SCH_LINE* line = (SCH_LINE*) item; if( line->IsEndPoint( m_RefPos ) ) wireEndCount++; else wireMidPoint++; continue; } // Any other item types indicate that this collection is not a draggable junction. return false; } return (wireEndCount >= 3) || ((wireEndCount >= 1) && (wireMidPoint == 1)) || ((wireMidPoint >= 2) && (junctionCount == 1)); }