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kicad/eeschema/sch_bus_entry.cpp

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/*
* 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 <eeschema_config.h>
#include <general.h>
#include <protos.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;
}
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." ) );
EXCHG( m_pos, item->m_pos );
EXCHG( 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, "%s %s", 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;
}
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;
if( aColor >= 0 )
color = aColor;
else
color = GetLayerColor( m_Layer );
GRSetDrawMode( aDC, aDrawMode );
GRLine( aPanel->GetClipBox(), aDC, m_pos.x + aOffset.x, m_pos.y + aOffset.y,
m_End().x + aOffset.x, m_End().y + aOffset.y, GetPenSize(), color );
}
void SCH_BUS_ENTRY_BASE::MirrorX( int aXaxis_position )
{
m_pos.y -= aXaxis_position;
NEGATE( m_pos.y );
m_pos.y += aXaxis_position;
NEGATE( m_size.y );
}
void SCH_BUS_ENTRY_BASE::MirrorY( int aYaxis_position )
{
m_pos.x -= aYaxis_position;
NEGATE( m_pos.x );
m_pos.x += aYaxis_position;
NEGATE( 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::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( 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 '\\';
}
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