409 lines
10 KiB
C++
409 lines
10 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, jp.charras at wanadoo.fr
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* Copyright (C) 2004-2017 KiCad Developers, see AUTHORS.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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/**
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* @file sch_bus_entry.cpp
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*
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*/
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#include <fctsys.h>
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#include <gr_basic.h>
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#include <macros.h>
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#include <class_drawpanel.h>
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#include <trigo.h>
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#include <common.h>
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#include <richio.h>
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#include <class_plotter.h>
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#include <bitmaps.h>
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#include <eeschema_config.h>
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#include <general.h>
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#include <sch_bus_entry.h>
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SCH_BUS_ENTRY_BASE::SCH_BUS_ENTRY_BASE( KICAD_T aType, const wxPoint& pos, char shape ) :
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SCH_ITEM( NULL, aType )
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{
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m_pos = pos;
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m_size.x = 100;
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m_size.y = 100;
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if( shape == '/' )
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m_size.y = -100;
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m_isDanglingStart = m_isDanglingEnd = true;
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}
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SCH_BUS_WIRE_ENTRY::SCH_BUS_WIRE_ENTRY( const wxPoint& pos, char shape ) :
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SCH_BUS_ENTRY_BASE( SCH_BUS_WIRE_ENTRY_T, pos, shape )
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{
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m_Layer = LAYER_WIRE;
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}
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SCH_BUS_BUS_ENTRY::SCH_BUS_BUS_ENTRY( const wxPoint& pos, char shape ) :
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SCH_BUS_ENTRY_BASE( SCH_BUS_BUS_ENTRY_T, pos, shape )
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{
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m_Layer = LAYER_BUS;
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}
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EDA_ITEM* SCH_BUS_WIRE_ENTRY::Clone() const
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{
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return new SCH_BUS_WIRE_ENTRY( *this );
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}
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EDA_ITEM* SCH_BUS_BUS_ENTRY::Clone() const
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{
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return new SCH_BUS_BUS_ENTRY( *this );
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}
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wxPoint SCH_BUS_ENTRY_BASE::m_End() const
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{
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return wxPoint( m_pos.x + m_size.x, m_pos.y + m_size.y );
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}
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void SCH_BUS_ENTRY_BASE::SwapData( SCH_ITEM* aItem )
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{
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SCH_BUS_ENTRY_BASE* item = dynamic_cast<SCH_BUS_ENTRY_BASE*>( aItem );
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wxCHECK_RET( item, wxT( "Cannot swap bus entry data with invalid item." ) );
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std::swap( m_pos, item->m_pos );
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std::swap( m_size, item->m_size );
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}
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bool SCH_BUS_WIRE_ENTRY::Save( FILE* aFile ) const
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{
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if( fprintf( aFile, "Entry Wire Line\n\t%-4d %-4d %-4d %-4d\n",
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m_pos.x, m_pos.y, m_End().x, m_End().y ) == EOF )
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return false;
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return true;
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}
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bool SCH_BUS_BUS_ENTRY::Save( FILE* aFile ) const
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{
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if( fprintf( aFile, "Entry Bus Bus\n\t%-4d %-4d %-4d %-4d\n",
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m_pos.x, m_pos.y, m_End().x, m_End().y ) == EOF )
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return false;
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return true;
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}
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bool SCH_BUS_ENTRY_BASE::Load( LINE_READER& aLine, wxString& aErrorMsg,
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SCH_ITEM **out )
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{
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char Name1[256];
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char Name2[256];
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char* line = (char*) aLine;
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*out = NULL;
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while( (*line != ' ' ) && *line )
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line++;
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if( sscanf( line, "%255s %255s", Name1, Name2 ) != 2 )
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{
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aErrorMsg.Printf( wxT( "Eeschema file bus entry load error at line %d" ),
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aLine.LineNumber() );
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aErrorMsg << wxT( "\n" ) << FROM_UTF8( (char*) aLine );
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return false;
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}
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SCH_BUS_ENTRY_BASE *this_new;
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if( Name1[0] == 'B' )
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this_new = new SCH_BUS_BUS_ENTRY;
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else
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this_new = new SCH_BUS_WIRE_ENTRY;
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*out = this_new;
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if( !aLine.ReadLine() || sscanf( (char*) aLine, "%d %d %d %d ",
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&this_new->m_pos.x, &this_new->m_pos.y,
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&this_new->m_size.x, &this_new->m_size.y ) != 4 )
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{
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aErrorMsg.Printf( wxT( "Eeschema file bus entry load error at line %d" ),
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aLine.LineNumber() );
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aErrorMsg << wxT( "\n" ) << FROM_UTF8( (char*) aLine );
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return false;
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}
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this_new->m_size.x -= this_new->m_pos.x;
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this_new->m_size.y -= this_new->m_pos.y;
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return true;
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}
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const EDA_RECT SCH_BUS_ENTRY_BASE::GetBoundingBox() const
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{
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EDA_RECT box;
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box.SetOrigin( m_pos );
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box.SetEnd( m_End() );
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box.Normalize();
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box.Inflate( GetPenSize() / 2 );
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return box;
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}
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int SCH_BUS_WIRE_ENTRY::GetPenSize() const
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{
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return GetDefaultLineThickness();
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}
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int SCH_BUS_BUS_ENTRY::GetPenSize() const
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{
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return GetDefaultBusThickness();
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}
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void SCH_BUS_ENTRY_BASE::Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aOffset,
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GR_DRAWMODE aDrawMode, COLOR4D aColor )
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{
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COLOR4D color;
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EDA_RECT* clipbox = aPanel->GetClipBox();
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if( aColor != COLOR4D::UNSPECIFIED )
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color = aColor;
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else
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color = GetLayerColor( GetState( BRIGHTENED ) ? LAYER_BRIGHTENED : m_Layer );
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GRSetDrawMode( aDC, aDrawMode );
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GRLine( clipbox, aDC, m_pos.x + aOffset.x, m_pos.y + aOffset.y,
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m_End().x + aOffset.x, m_End().y + aOffset.y, GetPenSize(), color );
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// Draw pin targets if part is being dragged
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bool dragging = aPanel->GetScreen()->GetCurItem() == this && aPanel->IsMouseCaptured();
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if( m_isDanglingStart || dragging )
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{
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GRCircle( clipbox, aDC, m_pos.x + aOffset.x, m_pos.y + aOffset.y,
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TARGET_BUSENTRY_RADIUS, 0, color );
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}
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if( m_isDanglingEnd || dragging )
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{
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GRCircle( clipbox, aDC, m_End().x + aOffset.x, m_End().y + aOffset.y,
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TARGET_BUSENTRY_RADIUS, 0, color );
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}
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}
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void SCH_BUS_ENTRY_BASE::MirrorX( int aXaxis_position )
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{
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MIRROR( m_pos.y, aXaxis_position );
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m_size.y = -m_size.y;
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}
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void SCH_BUS_ENTRY_BASE::MirrorY( int aYaxis_position )
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{
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MIRROR( m_pos.x, aYaxis_position );
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m_size.x = -m_size.x;
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}
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void SCH_BUS_ENTRY_BASE::Rotate( wxPoint aPosition )
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{
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RotatePoint( &m_pos, aPosition, 900 );
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RotatePoint( &m_size.x, &m_size.y, 900 );
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}
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void SCH_BUS_ENTRY_BASE::GetEndPoints( std::vector< DANGLING_END_ITEM >& aItemList )
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{
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DANGLING_END_ITEM item( ENTRY_END, this, m_pos );
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aItemList.push_back( item );
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DANGLING_END_ITEM item1( ENTRY_END, this, m_End() );
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aItemList.push_back( item1 );
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}
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bool SCH_BUS_ENTRY_BASE::IsDanglingStateChanged( std::vector<DANGLING_END_ITEM>& aItemList )
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{
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bool previousStateStart = m_isDanglingStart;
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bool previousStateEnd = m_isDanglingEnd;
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m_isDanglingStart = m_isDanglingEnd = true;
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// Wires and buses are stored in the list as a pair, start and end. This
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// variable holds the start position from one iteration so it can be used
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// when the end position is found.
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wxPoint seg_start;
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// Special case: if both items are wires, show as dangling. This is because
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// a bus entry between two wires will look like a connection, but does NOT
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// actually represent one. We need to clarify this for the user.
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bool start_is_wire = false;
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bool end_is_wire = false;
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for( DANGLING_END_ITEM& each_item : aItemList )
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{
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if( each_item.GetItem() == this )
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continue;
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switch( each_item.GetType() )
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{
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case WIRE_START_END:
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case BUS_START_END:
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seg_start = each_item.GetPosition();
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break;
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case WIRE_END_END:
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if( IsPointOnSegment( seg_start, each_item.GetPosition(), m_pos ) )
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start_is_wire = true;
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if( IsPointOnSegment( seg_start, each_item.GetPosition(), m_End() ) )
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end_is_wire = true;
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// Fall through
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case BUS_END_END:
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if( IsPointOnSegment( seg_start, each_item.GetPosition(), m_pos ) )
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m_isDanglingStart = false;
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if( IsPointOnSegment( seg_start, each_item.GetPosition(), m_End() ) )
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m_isDanglingEnd = false;
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break;
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default:
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break;
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}
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}
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// See above: show as dangling if joining two wires
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if( start_is_wire && end_is_wire )
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m_isDanglingStart = m_isDanglingEnd = true;
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return (previousStateStart != m_isDanglingStart) || (previousStateEnd != m_isDanglingEnd);
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}
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bool SCH_BUS_ENTRY_BASE::IsDangling() const
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{
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return m_isDanglingStart || m_isDanglingEnd;
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}
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bool SCH_BUS_ENTRY_BASE::IsSelectStateChanged( const wxRect& aRect )
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{
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bool previousState = IsSelected();
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// If either end of the bus entry is inside the selection rectangle, the entire
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// bus entry is selected. Bus entries have a fixed length and angle.
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if( aRect.Contains( m_pos ) || aRect.Contains( m_End() ) )
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SetFlags( SELECTED );
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else
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ClearFlags( SELECTED );
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return previousState != IsSelected();
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}
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void SCH_BUS_ENTRY_BASE::GetConnectionPoints( std::vector< wxPoint >& aPoints ) const
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{
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aPoints.push_back( m_pos );
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aPoints.push_back( m_End() );
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}
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wxString SCH_BUS_WIRE_ENTRY::GetSelectMenuText() const
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{
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return wxString( _( "Bus to Wire Entry" ) );
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}
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wxString SCH_BUS_BUS_ENTRY::GetSelectMenuText() const
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{
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return wxString( _( "Bus to Bus Entry" ) );
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}
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BITMAP_DEF SCH_BUS_ENTRY_BASE::GetMenuImage() const
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{
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return add_entry_xpm;
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}
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bool SCH_BUS_ENTRY_BASE::HitTest( const wxPoint& aPosition, int aAccuracy ) const
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{
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return TestSegmentHit( aPosition, m_pos, m_End(), aAccuracy );
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}
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bool SCH_BUS_ENTRY_BASE::HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy ) const
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{
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EDA_RECT rect = aRect;
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rect.Inflate( aAccuracy );
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if( aContained )
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return rect.Contains( GetBoundingBox() );
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return rect.Intersects( GetBoundingBox() );
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}
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void SCH_BUS_ENTRY_BASE::Plot( PLOTTER* aPlotter )
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{
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aPlotter->SetCurrentLineWidth( GetPenSize() );
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aPlotter->SetColor( GetLayerColor( GetLayer() ) );
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aPlotter->MoveTo( m_pos );
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aPlotter->FinishTo( m_End() );
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}
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/* SetBusEntryShape:
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* Set the shape of the bus entry.
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* aShape = ascii code '/' or '\'
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*/
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void SCH_BUS_ENTRY_BASE::SetBusEntryShape( char aShape )
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{
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switch( aShape )
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{
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case '\\':
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if( m_size.y < 0 )
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m_size.y = -m_size.y;
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break;
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case '/':
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if( m_size.y > 0 )
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m_size.y = -m_size.y;
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break;
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}
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}
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/* GetBusEntryShape:
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* return the shape of the bus entry, as an ascii code '/' or '\'
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*/
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char SCH_BUS_ENTRY_BASE::GetBusEntryShape() const
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{
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if( GetSize().y < 0 )
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return '/';
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else
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return '\\';
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}
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