kicad/eeschema/sch_sheet_pin.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2006 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
* Copyright (C) 1992-2021 KiCad Developers, see AUTHORS.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 <algorithm>
#include <bitmaps.h>
#include <general.h>
#include <geometry/shape_line_chain.h>
#include <string_utils.h>
#include <plotters/plotter.h>
#include <sch_draw_panel.h>
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#include <sch_edit_frame.h>
#include <sch_sheet.h>
#include <sch_sheet_pin.h>
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#include <sch_painter.h>
#include <schematic.h>
#include <trigo.h>
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SCH_SHEET_PIN::SCH_SHEET_PIN( SCH_SHEET* parent, const VECTOR2I& pos, const wxString& text ) :
SCH_HIERLABEL( pos, text, SCH_SHEET_PIN_T ),
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m_edge( SHEET_SIDE::UNDEFINED )
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{
SetParent( parent );
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wxASSERT( parent );
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m_layer = LAYER_SHEETLABEL;
SetTextPos( pos );
if( parent->IsVerticalOrientation() )
SetSide( SHEET_SIDE::TOP );
else
SetSide( SHEET_SIDE::LEFT );
m_shape = LABEL_FLAG_SHAPE::L_INPUT;
m_isDangling = true;
m_number = 2;
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}
EDA_ITEM* SCH_SHEET_PIN::Clone() const
{
return new SCH_SHEET_PIN( *this );
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}
void SCH_SHEET_PIN::Print( const RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset )
{
// The icon selection is handle by the virtual method CreateGraphicShape called by ::Print
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SCH_HIERLABEL::Print( aSettings, aOffset );
}
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void SCH_SHEET_PIN::SwapData( SCH_ITEM* aItem )
{
wxCHECK_RET( aItem->Type() == SCH_SHEET_PIN_T,
wxString::Format( "SCH_SHEET_PIN object cannot swap data with %s object.",
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aItem->GetClass() ) );
SCH_SHEET_PIN* pin = static_cast<SCH_SHEET_PIN*>( aItem );
SCH_HIERLABEL::SwapData( pin );
std::swap( m_number, pin->m_number );
std::swap( m_edge, pin->m_edge );
}
bool SCH_SHEET_PIN::operator==( const SCH_SHEET_PIN* aPin ) const
{
return aPin == this;
}
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int SCH_SHEET_PIN::GetPenWidth() const
{
if( Schematic() )
return Schematic()->Settings().m_DefaultLineWidth;
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return schIUScale.MilsToIU( DEFAULT_LINE_WIDTH_MILS );
}
void SCH_SHEET_PIN::SetNumber( int aNumber )
{
wxASSERT( aNumber >= 2 );
m_number = aNumber;
}
void SCH_SHEET_PIN::SetSide( SHEET_SIDE aEdge )
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{
SCH_SHEET* Sheet = GetParent();
// use SHEET_UNDEFINED_SIDE to adjust text orientation without changing edge
switch( aEdge )
{
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case SHEET_SIDE::LEFT:
m_edge = aEdge;
SetTextX( Sheet->m_pos.x );
SetTextSpinStyle( TEXT_SPIN_STYLE::RIGHT ); // Orientation horiz inverse
break;
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case SHEET_SIDE::RIGHT:
m_edge = aEdge;
SetTextX( Sheet->m_pos.x + Sheet->m_size.x );
SetTextSpinStyle( TEXT_SPIN_STYLE::LEFT ); // Orientation horiz normal
break;
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case SHEET_SIDE::TOP:
m_edge = aEdge;
SetTextY( Sheet->m_pos.y );
SetTextSpinStyle( TEXT_SPIN_STYLE::BOTTOM ); // Orientation vert BOTTOM
break;
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case SHEET_SIDE::BOTTOM:
m_edge = aEdge;
SetTextY( Sheet->m_pos.y + Sheet->m_size.y );
SetTextSpinStyle( TEXT_SPIN_STYLE::UP ); // Orientation vert UP
break;
default:
break;
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}
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}
enum SHEET_SIDE SCH_SHEET_PIN::GetSide() const
{
return m_edge;
}
void SCH_SHEET_PIN::ConstrainOnEdge( VECTOR2I Pos )
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{
SCH_SHEET* sheet = GetParent();
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if( sheet == nullptr )
return;
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int leftSide = sheet->m_pos.x;
int rightSide = sheet->m_pos.x + sheet->m_size.x;
int topSide = sheet->m_pos.y;
int botSide = sheet->m_pos.y + sheet->m_size.y;
SHAPE_LINE_CHAIN sheetEdge;
sheetEdge.Append( leftSide, topSide );
sheetEdge.Append( rightSide, topSide );
sheetEdge.Append( rightSide, botSide );
sheetEdge.Append( leftSide, botSide );
sheetEdge.Append( leftSide, topSide );
switch( sheetEdge.NearestSegment( Pos ) )
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{
case 0: SetSide( SHEET_SIDE::TOP ); break;
case 1: SetSide( SHEET_SIDE::RIGHT ); break;
case 2: SetSide( SHEET_SIDE::BOTTOM ); break;
case 3: SetSide( SHEET_SIDE::LEFT ); break;
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default: wxASSERT( "Invalid segment number" );
}
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switch( GetSide() )
{
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case SHEET_SIDE::RIGHT:
case SHEET_SIDE::LEFT:
SetTextY( Pos.y );
if( GetTextPos().y < topSide )
SetTextY( topSide );
if( GetTextPos().y > botSide )
SetTextY( botSide );
break;
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case SHEET_SIDE::BOTTOM:
case SHEET_SIDE::TOP:
SetTextX( Pos.x );
if( GetTextPos().x < leftSide )
SetTextX( leftSide );
if( GetTextPos().x > rightSide )
SetTextX( rightSide );
break;
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case SHEET_SIDE::UNDEFINED:
wxASSERT( "Undefined sheet side" );
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}
}
void SCH_SHEET_PIN::MirrorVertically( int aCenter )
{
int p = GetTextPos().y - aCenter;
SetTextY( aCenter - p );
switch( m_edge )
{
case SHEET_SIDE::TOP: SetSide( SHEET_SIDE::BOTTOM ); break;
case SHEET_SIDE::BOTTOM: SetSide( SHEET_SIDE::TOP ); break;
default: break;
}
}
void SCH_SHEET_PIN::MirrorHorizontally( int aCenter )
{
int p = GetTextPos().x - aCenter;
SetTextX( aCenter - p );
switch( m_edge )
{
case SHEET_SIDE::LEFT: SetSide( SHEET_SIDE::RIGHT ); break;
case SHEET_SIDE::RIGHT: SetSide( SHEET_SIDE::LEFT ); break;
default: break;
}
}
void SCH_SHEET_PIN::Rotate( const VECTOR2I& aCenter )
{
VECTOR2I pt = GetTextPos();
VECTOR2I delta = pt - aCenter;
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RotatePoint( pt, aCenter, ANGLE_90 );
SHEET_SIDE oldSide = GetSide();
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ConstrainOnEdge( pt );
// If the new side is the same as the old side, instead mirror across the center of that side.
if( GetSide() == oldSide )
{
switch( GetSide() )
{
case SHEET_SIDE::TOP:
case SHEET_SIDE::BOTTOM:
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SetTextPos( VECTOR2I( aCenter.x - delta.x, GetTextPos().y ) );
break;
case SHEET_SIDE::LEFT:
case SHEET_SIDE::RIGHT:
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SetTextPos( VECTOR2I( GetTextPos().x, aCenter.y - delta.y ) );
break;
default:
break;
}
}
// If the new side is opposite to the old side, instead mirror across the center of an adjacent
// side.
else if( GetSide() == GetOppositeSide( oldSide ) )
{
switch( GetSide() )
{
case SHEET_SIDE::TOP:
case SHEET_SIDE::BOTTOM:
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SetTextPos( VECTOR2I( aCenter.x + delta.x, GetTextPos().y ) );
break;
case SHEET_SIDE::LEFT:
case SHEET_SIDE::RIGHT:
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SetTextPos( VECTOR2I( GetTextPos().x, aCenter.y + delta.y ) );
break;
default:
break;
}
}
}
void SCH_SHEET_PIN::CreateGraphicShape( const RENDER_SETTINGS* aSettings,
std::vector<VECTOR2I>& aPoints, const VECTOR2I& aPos ) const
{
/*
* These are the same icon shapes as SCH_HIERLABEL but the graphic icon is slightly
* different in 2 cases:
* for INPUT type the icon is the OUTPUT shape of SCH_HIERLABEL
* for OUTPUT type the icon is the INPUT shape of SCH_HIERLABEL
*/
LABEL_FLAG_SHAPE shape = m_shape;
switch( shape )
{
case LABEL_FLAG_SHAPE::L_INPUT: shape = LABEL_FLAG_SHAPE::L_OUTPUT; break;
case LABEL_FLAG_SHAPE::L_OUTPUT: shape = LABEL_FLAG_SHAPE::L_INPUT; break;
default: break;
}
SCH_HIERLABEL::CreateGraphicShape( aSettings, aPoints, aPos, shape );
}
void SCH_SHEET_PIN::GetEndPoints( std::vector<DANGLING_END_ITEM>& aItemList )
{
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DANGLING_END_ITEM item( SHEET_LABEL_END, this, GetTextPos() );
aItemList.push_back( item );
}
wxString SCH_SHEET_PIN::GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const
{
return wxString::Format( _( "Hierarchical Sheet Pin %s" ),
KIUI::EllipsizeMenuText( GetShownText() ) );
}
BITMAPS SCH_SHEET_PIN::GetMenuImage() const
{
return BITMAPS::add_hierar_pin;
}
bool SCH_SHEET_PIN::HitTest( const VECTOR2I& aPoint, int aAccuracy ) const
{
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BOX2I rect = GetBoundingBox();
rect.Inflate( aAccuracy );
return rect.Contains( aPoint );
}
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#if defined(DEBUG)
void SCH_SHEET_PIN::Show( int nestLevel, std::ostream& os ) const
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{
// XML output:
NestedSpace( nestLevel, os ) << '<' << GetClass().Lower().mb_str() << ">"
<< " pin_name=\"" << TO_UTF8( GetText() )
<< '"' << "/>\n" << std::flush;
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}
#endif