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Diffstat (limited to 'eeschema/sch_bus_entry.cpp')
| -rw-r--r-- | eeschema/sch_bus_entry.cpp | 403 |
1 files changed, 403 insertions, 0 deletions
diff --git a/eeschema/sch_bus_entry.cpp b/eeschema/sch_bus_entry.cpp new file mode 100644 index 0000000..9ac8806 --- /dev/null +++ b/eeschema/sch_bus_entry.cpp @@ -0,0 +1,403 @@ +/* + * This program source code file is part of KiCad, a free EDA CAD application. + * + * Copyright (C) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com + * 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 + */ + +/** + * @file sch_bus_entry.cpp + * + */ + +#include <fctsys.h> +#include <gr_basic.h> +#include <macros.h> +#include <class_drawpanel.h> +#include <trigo.h> +#include <common.h> +#include <richio.h> +#include <plot_common.h> +#include <boost/foreach.hpp> + +#include <eeschema_config.h> +#include <general.h> +#include <sch_bus_entry.h> + + +SCH_BUS_ENTRY_BASE::SCH_BUS_ENTRY_BASE( KICAD_T aType, const wxPoint& pos, char shape ) : + SCH_ITEM( NULL, aType ) +{ + m_pos = pos; + m_size.x = 100; + m_size.y = 100; + + if( shape == '/' ) + m_size.y = -100; + + m_isDanglingStart = m_isDanglingEnd = true; +} + +SCH_BUS_WIRE_ENTRY::SCH_BUS_WIRE_ENTRY( const wxPoint& pos, char shape ) : + SCH_BUS_ENTRY_BASE( SCH_BUS_WIRE_ENTRY_T, pos, shape ) +{ + m_Layer = LAYER_WIRE; +} + +SCH_BUS_BUS_ENTRY::SCH_BUS_BUS_ENTRY( const wxPoint& pos, char shape ) : + SCH_BUS_ENTRY_BASE( SCH_BUS_BUS_ENTRY_T, pos, shape ) +{ + m_Layer = LAYER_BUS; +} + +EDA_ITEM* SCH_BUS_WIRE_ENTRY::Clone() const +{ + return new SCH_BUS_WIRE_ENTRY( *this ); +} + +EDA_ITEM* SCH_BUS_BUS_ENTRY::Clone() const +{ + return new SCH_BUS_BUS_ENTRY( *this ); +} + + +wxPoint SCH_BUS_ENTRY_BASE::m_End() const +{ + return wxPoint( m_pos.x + m_size.x, m_pos.y + m_size.y ); +} + + +void SCH_BUS_ENTRY_BASE::SwapData( SCH_ITEM* aItem ) +{ + SCH_BUS_ENTRY_BASE* item = dynamic_cast<SCH_BUS_ENTRY_BASE*>( aItem ); + wxCHECK_RET( item, wxT( "Cannot swap bus entry data with invalid item." ) ); + + std::swap( m_pos, item->m_pos ); + std::swap( m_size, item->m_size ); +} + + +bool SCH_BUS_WIRE_ENTRY::Save( FILE* aFile ) const +{ + if( fprintf( aFile, "Entry Wire Line\n\t%-4d %-4d %-4d %-4d\n", + m_pos.x, m_pos.y, m_End().x, m_End().y ) == EOF ) + return false; + return true; +} + + +bool SCH_BUS_BUS_ENTRY::Save( FILE* aFile ) const +{ + if( fprintf( aFile, "Entry Bus Bus\n\t%-4d %-4d %-4d %-4d\n", + m_pos.x, m_pos.y, m_End().x, m_End().y ) == EOF ) + return false; + return true; +} + + +bool SCH_BUS_ENTRY_BASE::Load( LINE_READER& aLine, wxString& aErrorMsg, + SCH_ITEM **out ) +{ + char Name1[256]; + char Name2[256]; + char* line = (char*) aLine; + *out = NULL; + + while( (*line != ' ' ) && *line ) + line++; + + if( sscanf( line, "%255s %255s", Name1, Name2 ) != 2 ) + { + aErrorMsg.Printf( wxT( "Eeschema file bus entry load error at line %d" ), + aLine.LineNumber() ); + aErrorMsg << wxT( "\n" ) << FROM_UTF8( (char*) aLine ); + return false; + } + + SCH_BUS_ENTRY_BASE *this_new; + if( Name1[0] == 'B' ) + this_new = new SCH_BUS_BUS_ENTRY; + else + this_new = new SCH_BUS_WIRE_ENTRY; + *out = this_new; + + if( !aLine.ReadLine() || sscanf( (char*) aLine, "%d %d %d %d ", + &this_new->m_pos.x, &this_new->m_pos.y, + &this_new->m_size.x, &this_new->m_size.y ) != 4 ) + { + aErrorMsg.Printf( wxT( "Eeschema file bus entry load error at line %d" ), + aLine.LineNumber() ); + aErrorMsg << wxT( "\n" ) << FROM_UTF8( (char*) aLine ); + return false; + } + + this_new->m_size.x -= this_new->m_pos.x; + this_new->m_size.y -= this_new->m_pos.y; + + return true; +} + + +const EDA_RECT SCH_BUS_ENTRY_BASE::GetBoundingBox() const +{ + EDA_RECT box; + + box.SetOrigin( m_pos ); + box.SetEnd( m_End() ); + + box.Normalize(); + box.Inflate( GetPenSize() / 2 ); + + return box; +} + + +int SCH_BUS_WIRE_ENTRY::GetPenSize() const +{ + return GetDefaultLineThickness(); +} + + +int SCH_BUS_BUS_ENTRY::GetPenSize() const +{ + return GetDefaultBusThickness(); +} + + +void SCH_BUS_ENTRY_BASE::Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aOffset, + GR_DRAWMODE aDrawMode, EDA_COLOR_T aColor ) +{ + EDA_COLOR_T color; + EDA_RECT* clipbox = aPanel->GetClipBox(); + + if( aColor >= 0 ) + color = aColor; + else + color = GetLayerColor( m_Layer ); + + GRSetDrawMode( aDC, aDrawMode ); + + GRLine( clipbox, aDC, m_pos.x + aOffset.x, m_pos.y + aOffset.y, + m_End().x + aOffset.x, m_End().y + aOffset.y, GetPenSize(), color ); + + + // Draw pin targets if part is being dragged + bool dragging = aPanel->GetScreen()->GetCurItem() == this && aPanel->IsMouseCaptured(); + + if( m_isDanglingStart || dragging ) + { + GRCircle( clipbox, aDC, m_pos.x + aOffset.x, m_pos.y + aOffset.y, + TARGET_BUSENTRY_RADIUS, 0, color ); + } + + if( m_isDanglingEnd || dragging ) + { + GRCircle( clipbox, aDC, m_End().x + aOffset.x, m_End().y + aOffset.y, + TARGET_BUSENTRY_RADIUS, 0, color ); + } +} + + +void SCH_BUS_ENTRY_BASE::MirrorX( int aXaxis_position ) +{ + MIRROR( m_pos.y, aXaxis_position ); + m_size.y = -m_size.y; +} + + +void SCH_BUS_ENTRY_BASE::MirrorY( int aYaxis_position ) +{ + MIRROR( m_pos.x, aYaxis_position ); + m_size.x = -m_size.x; +} + + +void SCH_BUS_ENTRY_BASE::Rotate( wxPoint aPosition ) +{ + RotatePoint( &m_pos, aPosition, 900 ); + RotatePoint( &m_size.x, &m_size.y, 900 ); +} + + +void SCH_BUS_ENTRY_BASE::GetEndPoints( std::vector< DANGLING_END_ITEM >& aItemList ) +{ + DANGLING_END_ITEM item( ENTRY_END, this, m_pos ); + aItemList.push_back( item ); + + DANGLING_END_ITEM item1( ENTRY_END, this, m_End() ); + aItemList.push_back( item1 ); +} + + +bool SCH_BUS_ENTRY_BASE::IsDanglingStateChanged( std::vector<DANGLING_END_ITEM>& aItemList ) +{ + bool previousStateStart = m_isDanglingStart; + bool previousStateEnd = m_isDanglingEnd; + + m_isDanglingStart = m_isDanglingEnd = true; + + // Wires and buses are stored in the list as a pair, start and end. This + // variable holds the start position from one iteration so it can be used + // when the end position is found. + wxPoint seg_start; + + // Special case: if both items are wires, show as dangling. This is because + // a bus entry between two wires will look like a connection, but does NOT + // actually represent one. We need to clarify this for the user. + bool start_is_wire = false; + bool end_is_wire = false; + + BOOST_FOREACH( DANGLING_END_ITEM& each_item, aItemList ) + { + if( each_item.GetItem() == this ) + continue; + + switch( each_item.GetType() ) + { + case WIRE_START_END: + case BUS_START_END: + seg_start = each_item.GetPosition(); + break; + + case WIRE_END_END: + if( IsPointOnSegment( seg_start, each_item.GetPosition(), m_pos ) ) + start_is_wire = true; + if( IsPointOnSegment( seg_start, each_item.GetPosition(), m_End() ) ) + end_is_wire = true; + // Fall through + + case BUS_END_END: + if( IsPointOnSegment( seg_start, each_item.GetPosition(), m_pos ) ) + m_isDanglingStart = false; + if( IsPointOnSegment( seg_start, each_item.GetPosition(), m_End() ) ) + m_isDanglingEnd = false; + break; + default: + break; + } + } + + // See above: show as dangling if joining two wires + if( start_is_wire && end_is_wire ) + m_isDanglingStart = m_isDanglingEnd = true; + + return (previousStateStart != m_isDanglingStart) || (previousStateEnd != m_isDanglingEnd); +} + + +bool SCH_BUS_ENTRY_BASE::IsDangling() const +{ + return m_isDanglingStart || m_isDanglingEnd; +} + + +bool SCH_BUS_ENTRY_BASE::IsSelectStateChanged( const wxRect& aRect ) +{ + bool previousState = IsSelected(); + + // If either end of the bus entry is inside the selection rectangle, the entire + // bus entry is selected. Bus entries have a fixed length and angle. + if( aRect.Contains( m_pos ) || aRect.Contains( m_End() ) ) + SetFlags( SELECTED ); + else + ClearFlags( SELECTED ); + + return previousState != IsSelected(); +} + + +void SCH_BUS_ENTRY_BASE::GetConnectionPoints( std::vector< wxPoint >& aPoints ) const +{ + aPoints.push_back( m_pos ); + aPoints.push_back( m_End() ); +} + + +wxString SCH_BUS_WIRE_ENTRY::GetSelectMenuText() const +{ + return wxString( _( "Bus to Wire Entry" ) ); +} + + +wxString SCH_BUS_BUS_ENTRY::GetSelectMenuText() const +{ + return wxString( _( "Bus to Bus Entry" ) ); +} + + +bool SCH_BUS_ENTRY_BASE::HitTest( const wxPoint& aPosition, int aAccuracy ) const +{ + return TestSegmentHit( aPosition, m_pos, m_End(), aAccuracy ); +} + + +bool SCH_BUS_ENTRY_BASE::HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy ) const +{ + EDA_RECT rect = aRect; + + rect.Inflate( aAccuracy ); + + if( aContained ) + return rect.Contains( GetBoundingBox() ); + + return rect.Intersects( GetBoundingBox() ); +} + + +void SCH_BUS_ENTRY_BASE::Plot( PLOTTER* aPlotter ) +{ + aPlotter->SetCurrentLineWidth( GetPenSize() ); + aPlotter->SetColor( GetLayerColor( GetLayer() ) ); + aPlotter->MoveTo( m_pos ); + aPlotter->FinishTo( m_End() ); +} + +/* SetBusEntryShape: + * Set the shape of the bus entry. + * aShape = ascii code '/' or '\' + */ +void SCH_BUS_ENTRY_BASE::SetBusEntryShape( char aShape ) +{ + switch( aShape ) + { + case '\\': + if( m_size.y < 0 ) + m_size.y = -m_size.y; + break; + + case '/': + if( m_size.y > 0 ) + m_size.y = -m_size.y; + break; + } +} + + +/* GetBusEntryShape: + * return the shape of the bus entry, as an ascii code '/' or '\' + */ +char SCH_BUS_ENTRY_BASE::GetBusEntryShape() const +{ + if( GetSize().y < 0 ) + return '/'; + else + return '\\'; +} + |