sch_textbox.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2022-2023 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 <base_units.h>
#include <pgm_base.h>
#include <sch_edit_frame.h>
#include <plotters/plotter.h>
#include <widgets/msgpanel.h>
#include <bitmaps.h>
#include <string_utils.h>
#include <schematic.h>
#include <settings/color_settings.h>
#include <sch_painter.h>
#include <wx/log.h>
#include <dialogs/html_message_box.h>
#include <project/project_file.h>
#include <trigo.h>
#include <sch_textbox.h>
#include <tools/sch_navigate_tool.h>
 
 
SCH_TEXTBOX::SCH_TEXTBOX( SCH_LAYER_ID aLayer, int aLineWidth, FILL_T aFillType,
 const wxString& aText, KICAD_T aType ) :
 SCH_SHAPE( SHAPE_T::RECTANGLE, aLayer, aLineWidth, aFillType, aType ),
 EDA_TEXT( schIUScale, aText )
{
 m_layer = aLayer;
 
 SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );
 SetVertJustify( GR_TEXT_V_ALIGN_TOP );
 SetMultilineAllowed( true );
 
 m_excludedFromSim = false;
 
 int defaultMargin = GetLegacyTextMargin();
 m_marginLeft = defaultMargin;
 m_marginTop = defaultMargin;
 m_marginRight = defaultMargin;
 m_marginBottom = defaultMargin;
}
 
 
SCH_TEXTBOX::SCH_TEXTBOX( const SCH_TEXTBOX& aText ) :
 SCH_SHAPE( aText ),
 EDA_TEXT( aText )
{
 m_excludedFromSim = aText.m_excludedFromSim;
 m_marginLeft = aText.m_marginLeft;
 m_marginTop = aText.m_marginTop;
 m_marginRight = aText.m_marginRight;
 m_marginBottom = aText.m_marginBottom;
}
 
 
int SCH_TEXTBOX::GetLegacyTextMargin() const
{
 if( m_layer == LAYER_DEVICE )
 return KiROUND( GetTextSize().y * 0.8 );
 else
 return KiROUND( GetStroke().GetWidth() / 2.0 ) + KiROUND( GetTextSize().y * 0.75 );
}
 
 
void SCH_TEXTBOX::MirrorHorizontally( int aCenter )
{
 // Text is NOT really mirrored; it just has its justification flipped
 if( GetTextAngle() == ANGLE_HORIZONTAL )
 {
 if( GetHorizJustify() == GR_TEXT_H_ALIGN_LEFT )
 SetHorizJustify( GR_TEXT_H_ALIGN_RIGHT );
 else if( GetHorizJustify() == GR_TEXT_H_ALIGN_RIGHT )
 SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );
 }
}
 
 
void SCH_TEXTBOX::MirrorVertically( int aCenter )
{
 // Text is NOT really mirrored; it just has its justification flipped
 if( GetTextAngle() == ANGLE_VERTICAL )
 {
 if( GetHorizJustify() == GR_TEXT_H_ALIGN_LEFT )
 SetHorizJustify( GR_TEXT_H_ALIGN_RIGHT );
 else if( GetHorizJustify() == GR_TEXT_H_ALIGN_RIGHT )
 SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );
 }
}
 
 
void SCH_TEXTBOX::Rotate( const VECTOR2I& aCenter, bool aRotateCCW )
{
 SCH_SHAPE::Rotate( aCenter, aRotateCCW );
 SetTextAngle( GetTextAngle() == ANGLE_VERTICAL ? ANGLE_HORIZONTAL : ANGLE_VERTICAL );
}
 
 
void SCH_TEXTBOX::Rotate90( bool aClockwise )
{
 SetTextAngle( GetTextAngle() == ANGLE_VERTICAL ? ANGLE_HORIZONTAL : ANGLE_VERTICAL );
}
 
 
VECTOR2I SCH_TEXTBOX::GetDrawPos() const
{
 BOX2I bbox;
 
 if( m_layer == LAYER_DEVICE ) // TODO: nuke symbol editor's upside-down coordinate system
 {
 bbox = BOX2I( VECTOR2I( std::min( m_start.x, m_end.x ), std::min( -m_start.y, -m_end.y ) ),
 VECTOR2I( abs( m_end.x - m_start.x ), abs( m_end.y - m_start.y ) ) );
 }
 else
 {
 bbox = BOX2I( m_start, m_end - m_start );
 
 bbox.Normalize();
 }
 
 VECTOR2I pos( bbox.GetLeft() + m_marginLeft, bbox.GetBottom() - m_marginBottom );
 
 if( GetTextAngle().IsVertical() )
 {
 switch( GetHorizJustify() )
 {
 case GR_TEXT_H_ALIGN_LEFT:
 pos.y = bbox.GetBottom() - m_marginBottom;
 break;
 case GR_TEXT_H_ALIGN_CENTER:
 pos.y = ( bbox.GetTop() + bbox.GetBottom() ) / 2;
 break;
 case GR_TEXT_H_ALIGN_RIGHT:
 pos.y = bbox.GetTop() + m_marginTop;
 break;
 case GR_TEXT_H_ALIGN_INDETERMINATE:
 wxFAIL_MSG( wxT( "Indeterminate state legal only in dialogs." ) );
 break;
 }
 
 switch( GetVertJustify() )
 {
 case GR_TEXT_V_ALIGN_TOP:
 pos.x = bbox.GetLeft() + m_marginLeft;
 break;
 case GR_TEXT_V_ALIGN_CENTER:
 pos.x = ( bbox.GetLeft() + bbox.GetRight() ) / 2;
 break;
 case GR_TEXT_V_ALIGN_BOTTOM:
 pos.x = bbox.GetRight() - m_marginRight;
 break;
 case GR_TEXT_V_ALIGN_INDETERMINATE:
 wxFAIL_MSG( wxT( "Indeterminate state legal only in dialogs." ) );
 break;
 }
 }
 else
 {
 switch( GetHorizJustify() )
 {
 case GR_TEXT_H_ALIGN_LEFT:
 pos.x = bbox.GetLeft() + m_marginLeft;
 break;
 case GR_TEXT_H_ALIGN_CENTER:
 pos.x = ( bbox.GetLeft() + bbox.GetRight() ) / 2;
 break;
 case GR_TEXT_H_ALIGN_RIGHT:
 pos.x = bbox.GetRight() - m_marginRight;
 break;
 case GR_TEXT_H_ALIGN_INDETERMINATE:
 wxFAIL_MSG( wxT( "Indeterminate state legal only in dialogs." ) );
 break;
 }
 
 switch( GetVertJustify() )
 {
 case GR_TEXT_V_ALIGN_TOP:
 pos.y = bbox.GetTop() + m_marginTop;
 break;
 case GR_TEXT_V_ALIGN_CENTER:
 pos.y = ( bbox.GetTop() + bbox.GetBottom() ) / 2;
 break;
 case GR_TEXT_V_ALIGN_BOTTOM:
 pos.y = bbox.GetBottom() - m_marginBottom;
 break;
 case GR_TEXT_V_ALIGN_INDETERMINATE:
 wxFAIL_MSG( wxT( "Indeterminate state legal only in dialogs." ) );
 break;
 }
 }
 
 return pos;
}
 
 
void SCH_TEXTBOX::SwapData( SCH_ITEM* aItem )
{
 SCH_SHAPE::SwapData( aItem );
 
 SCH_TEXTBOX* item = static_cast<SCH_TEXTBOX*>( aItem );
 
 std::swap( m_layer, item->m_layer );
 std::swap( m_marginLeft, item->m_marginLeft );
 std::swap( m_marginTop, item->m_marginTop );
 std::swap( m_marginRight, item->m_marginRight );
 std::swap( m_marginBottom, item->m_marginBottom );
 
 SwapText( *item );
 SwapAttributes( *item );
}
 
 
bool SCH_TEXTBOX::operator<( const SCH_ITEM& aItem ) const
{
 if( Type() != aItem.Type() )
 return Type() < aItem.Type();
 
 auto other = static_cast<const SCH_TEXTBOX*>( &aItem );
 
 if( GetLayer() != other->GetLayer() )
 return GetLayer() < other->GetLayer();
 
 if( GetPosition().x != other->GetPosition().x )
 return GetPosition().x < other->GetPosition().x;
 
 if( GetPosition().y != other->GetPosition().y )
 return GetPosition().y < other->GetPosition().y;
 
 if( GetMarginLeft() != other->GetMarginLeft() )
 return GetMarginLeft() < other->GetMarginLeft();
 
 if( GetMarginTop() != other->GetMarginTop() )
 return GetMarginTop() < other->GetMarginTop();
 
 if( GetMarginRight() != other->GetMarginRight() )
 return GetMarginRight() < other->GetMarginRight();
 
 if( GetMarginBottom() != other->GetMarginBottom() )
 return GetMarginBottom() < other->GetMarginBottom();
 
 if( GetExcludedFromSim() != other->GetExcludedFromSim() )
 return GetExcludedFromSim() - other->GetExcludedFromSim();
 
 return GetText() < other->GetText();
}
 
 
KIFONT::FONT* SCH_TEXTBOX::getDrawFont() const
{
 KIFONT::FONT* font = EDA_TEXT::GetFont();
 
 if( !font )
 font = KIFONT::FONT::GetFont( GetDefaultFont(), IsBold(), IsItalic() );
 
 return font;
}
 
 
void SCH_TEXTBOX::Print( const SCH_RENDER_SETTINGS* aSettings, int aUnit, int aBodyStyle,
 const VECTOR2I& aOffset, bool aForceNoFill, bool aDimmed )
{
 if( IsPrivate() )
 return;
 
 wxDC* DC = aSettings->GetPrintDC();
 int penWidth = GetEffectivePenWidth( aSettings );
 bool blackAndWhiteMode = GetGRForceBlackPenState();
 VECTOR2I pt1 = GetStart();
 VECTOR2I pt2 = GetEnd();
 COLOR4D color = GetStroke().GetColor();
 COLOR4D bg = aSettings->GetBackgroundColor();
 LINE_STYLE lineStyle = GetStroke().GetLineStyle();
 
 if( bg == COLOR4D::UNSPECIFIED || GetGRForceBlackPenState() )
 bg = COLOR4D::WHITE;
 
 if( GetFillMode() == FILL_T::FILLED_WITH_COLOR && !blackAndWhiteMode && !aForceNoFill )
 GRFilledRect( DC, pt1, pt2, 0, GetFillColor(), GetFillColor() );
 
 if( penWidth > 0 )
 {
 penWidth = std::max( penWidth, aSettings->GetMinPenWidth() );
 
 if( blackAndWhiteMode || color == COLOR4D::UNSPECIFIED )
 color = aSettings->GetLayerColor( m_layer );
 
 if( aDimmed )
 {
 color.Desaturate( );
 color = color.Mix( bg, 0.5f );
 }
 
 if( lineStyle == LINE_STYLE::DEFAULT )
 lineStyle = LINE_STYLE::SOLID;
 
 if( lineStyle == LINE_STYLE::SOLID )
 {
 GRRect( DC, pt1, pt2, penWidth, color );
 }
 else
 {
 std::vector<SHAPE*> shapes = MakeEffectiveShapes( true );
 
 for( SHAPE* shape : shapes )
 {
 STROKE_PARAMS::Stroke( shape, lineStyle, penWidth, aSettings,
 [&]( const VECTOR2I& a, const VECTOR2I& b )
 {
 if( m_layer == LAYER_DEVICE )
 {
 VECTOR2I ptA = aSettings->TransformCoordinate( a ) + aOffset;
 VECTOR2I ptB = aSettings->TransformCoordinate( b ) + aOffset;
 GRLine( DC, ptA.x, ptA.y, ptB.x, ptB.y, penWidth, color );
 }
 else
 {
 GRLine( DC, a.x, a.y, b.x, b.y, penWidth, color );
 }
 } );
 }
 
 for( SHAPE* shape : shapes )
 delete shape;
 }
 }
 
 color = GetTextColor();
 
 if( blackAndWhiteMode || color == COLOR4D::UNSPECIFIED )
 color = aSettings->GetLayerColor( m_layer );
 
 if( aDimmed )
 {
 color.Desaturate( );
 color = color.Mix( bg, 0.5f );
 }
 
 if( m_layer == LAYER_DEVICE )
 {
 SCH_TEXTBOX temp( *this );
 
 if( aSettings->m_Transform.y1 )
 {
 temp.SetTextAngle( temp.GetTextAngle() == ANGLE_HORIZONTAL ? ANGLE_VERTICAL
 : ANGLE_HORIZONTAL );
 }
 
 // NB: GetDrawPos() will want Symbol Editor (upside-down) coordinates
 temp.SetStart( VECTOR2I( pt1.x, -pt1.y ) );
 temp.SetEnd( VECTOR2I( pt2.x, -pt2.y ) );
 
 GRPrintText( DC, temp.GetDrawPos(), color, temp.GetShownText( true ), temp.GetTextAngle(),
 temp.GetTextSize(), temp.GetHorizJustify(), temp.GetVertJustify(), penWidth,
 temp.IsItalic(), temp.IsBold(), getDrawFont(), GetFontMetrics() );
 }
 else
 {
 EDA_TEXT::Print( aSettings, aOffset, color );
 }
}
 
 
wxString SCH_TEXTBOX::GetShownText( const SCH_SHEET_PATH* aPath, bool aAllowExtraText,
 int aDepth ) const
{
 SCH_SHEET* sheet = nullptr;
 
 if( aPath )
 sheet = aPath->Last();
 
 std::function<bool( wxString* )> textResolver =
 [&]( wxString* token ) -> bool
 {
 if( sheet )
 {
 if( sheet->ResolveTextVar( aPath, token, aDepth + 1 ) )
 return true;
 }
 
 return false;
 };
 
 wxString text = EDA_TEXT::GetShownText( aAllowExtraText, aDepth );
 
 if( HasTextVars() )
 {
 if( aDepth < 10 )
 text = ExpandTextVars( text, &textResolver );
 }
 
 VECTOR2I size = GetEnd() - GetStart();
 int colWidth;
 
 if( GetTextAngle().IsVertical() )
 colWidth = abs( size.y ) - ( GetMarginTop() + GetMarginBottom() );
 else
 colWidth = abs( size.x ) - ( GetMarginLeft() + GetMarginRight() );
 
 getDrawFont()->LinebreakText( text, colWidth, GetTextSize(), GetTextThickness(), IsBold(),
 IsItalic() );
 
 return text;
}
 
 
bool SCH_TEXTBOX::HitTest( const VECTOR2I& aPosition, int aAccuracy ) const
{
 BOX2I rect = GetBoundingBox();
 
 rect.Inflate( aAccuracy );
 
 return rect.Contains( aPosition );
}
 
 
bool SCH_TEXTBOX::HitTest( const BOX2I& aRect, bool aContained, int aAccuracy ) const
{
 BOX2I rect = aRect;
 
 rect.Inflate( aAccuracy );
 
 if( aContained )
 return rect.Contains( GetBoundingBox() );
 
 return rect.Intersects( GetBoundingBox() );
}
 
 
void SCH_TEXTBOX::DoHypertextAction( EDA_DRAW_FRAME* aFrame ) const
{
 wxCHECK_MSG( IsHypertext(), /* void */,
 wxT( "Calling a hypertext menu on a SCH_TEXTBOX with no hyperlink?" ) );
 
 SCH_NAVIGATE_TOOL* navTool = aFrame->GetToolManager()->GetTool<SCH_NAVIGATE_TOOL>();
 navTool->HypertextCommand( m_hyperlink );
}
 
 
wxString SCH_TEXTBOX::GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const
{
 return wxString::Format( _( "Text Box" ) );
}
 
 
BITMAPS SCH_TEXTBOX::GetMenuImage() const
{
 return BITMAPS::add_textbox;
}
 
 
void SCH_TEXTBOX::Plot( PLOTTER* aPlotter, bool aBackground, const SCH_PLOT_OPTS& aPlotOpts,
 int aUnit, int aBodyStyle, const VECTOR2I& aOffset, bool aDimmed )
{
 if( IsPrivate() )
 return;
 
 if( aBackground )
 {
 SCH_SHAPE::Plot( aPlotter, aBackground, aPlotOpts, aUnit, aBodyStyle, aOffset, aDimmed );
 return;
 }
 
 SCH_SHEET_PATH* sheet = Schematic() ? &Schematic()->CurrentSheet() : nullptr;
 SCH_RENDER_SETTINGS* renderSettings = getRenderSettings( aPlotter );
 int penWidth = GetEffectivePenWidth( renderSettings );
 COLOR4D color = GetStroke().GetColor();
 COLOR4D bg = renderSettings->GetBackgroundColor();
 LINE_STYLE lineStyle = GetStroke().GetLineStyle();
 
 if( penWidth > 0 )
 {
 if( !aPlotter->GetColorMode() || color == COLOR4D::UNSPECIFIED )
 color = renderSettings->GetLayerColor( m_layer );
 
 if( aDimmed )
 {
 color.Desaturate( );
 color = color.Mix( bg, 0.5f );
 }
 
 if( lineStyle == LINE_STYLE::DEFAULT )
 lineStyle = LINE_STYLE::SOLID;
 
 aPlotter->SetColor( color );
 aPlotter->SetDash( penWidth, lineStyle );
 aPlotter->Rect( m_start, m_end, FILL_T::NO_FILL, penWidth );
 aPlotter->SetDash( penWidth, LINE_STYLE::SOLID );
 }
 
 KIFONT::FONT* font = getDrawFont();
 
 color = GetTextColor();
 
 if( !aPlotter->GetColorMode() || color == COLOR4D::UNSPECIFIED )
 color = renderSettings->GetLayerColor( m_layer );
 
 if( bg == COLOR4D::UNSPECIFIED || !aPlotter->GetColorMode() )
 bg = COLOR4D::WHITE;
 
 if( aDimmed )
 {
 color.Desaturate( );
 color = color.Mix( bg, 0.5f );
 }
 
 penWidth = GetEffectiveTextPenWidth( renderSettings->GetDefaultPenWidth() );
 penWidth = std::max( penWidth, renderSettings->GetMinPenWidth() );
 aPlotter->SetCurrentLineWidth( penWidth );
 
 std::vector<VECTOR2I> positions;
 wxArrayString strings_list;
 wxStringSplit( GetShownText( sheet, true ), strings_list, '\n' );
 positions.reserve( strings_list.Count() );
 
 if( m_layer == LAYER_DEVICE )
 {
 VECTOR2I start = renderSettings->TransformCoordinate( m_start ) + aOffset;
 VECTOR2I end = renderSettings->TransformCoordinate( m_end ) + aOffset;
 SCH_TEXTBOX temp( *this );
 
 if( renderSettings->m_Transform.y1 )
 {
 temp.SetTextAngle( temp.GetTextAngle() == ANGLE_HORIZONTAL ? ANGLE_VERTICAL
 : ANGLE_HORIZONTAL );
 }
 
 // NB: GetDrawPos() will want Symbol Editor (upside-down) coordinates
 temp.SetStart( VECTOR2I( start.x, -start.y ) );
 temp.SetEnd( VECTOR2I( end.x, -end.y ) );
 temp.GetLinePositions( positions, (int) strings_list.Count() );
 }
 else
 {
 GetLinePositions( positions, (int) strings_list.Count() );
 }
 
 TEXT_ATTRIBUTES attrs = GetAttributes();
 attrs.m_StrokeWidth = penWidth;
 attrs.m_Multiline = false;
 
 for( unsigned ii = 0; ii < strings_list.Count(); ii++ )
 {
 aPlotter->PlotText( positions[ii], color, strings_list.Item( ii ), attrs, font,
 GetFontMetrics() );
 }
 
 if( HasHyperlink() )
 aPlotter->HyperlinkBox( GetBoundingBox(), GetHyperlink() );
}
 
 
void SCH_TEXTBOX::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList )
{
 // Don't use GetShownText() here; we want to show the user the variable references
 aList.emplace_back( _( "Text Box" ), KIUI::EllipsizeStatusText( aFrame, GetText() ) );
 
 if( m_excludedFromSim )
 aList.emplace_back( _( "Exclude from" ), _( "Simulation" ) );
 
 aList.emplace_back( _( "Font" ), GetFont() ? GetFont()->GetName() : _( "Default" ) );
 
 wxString textStyle[] = { _( "Normal" ), _( "Italic" ), _( "Bold" ), _( "Bold Italic" ) };
 int style = IsBold() && IsItalic() ? 3 : IsBold() ? 2 : IsItalic() ? 1 : 0;
 aList.emplace_back( _( "Style" ), textStyle[style] );
 
 aList.emplace_back( _( "Text Size" ), aFrame->MessageTextFromValue( GetTextWidth() ) );
 
 aList.emplace_back( _( "Box Width" ),
 aFrame->MessageTextFromValue( std::abs( GetEnd().x - GetStart().x ) ) );
 
 aList.emplace_back( _( "Box Height" ),
 aFrame->MessageTextFromValue( std::abs( GetEnd().y - GetStart().y ) ) );
 
 m_stroke.GetMsgPanelInfo( aFrame, aList );
}
 
 
bool SCH_TEXTBOX::operator==( const SCH_ITEM& aOther ) const
{
 if( Type() != aOther.Type() )
 return false;
 
 const SCH_TEXTBOX& other = static_cast<const SCH_TEXTBOX&>( aOther );
 
 if( m_excludedFromSim != other.m_excludedFromSim )
 return false;
 
 if( GetMarginLeft() != other.GetMarginLeft() )
 return false;
 
 if( GetMarginTop() != other.GetMarginTop() )
 return false;
 
 if( GetMarginRight() != other.GetMarginRight() )
 return false;
 
 if( GetMarginBottom() != other.GetMarginBottom() )
 return false;
 
 return SCH_SHAPE::operator==( aOther ) && EDA_TEXT::operator==( other );
}
 
 
double SCH_TEXTBOX::Similarity( const SCH_ITEM& aOther ) const
{
 if( m_Uuid == aOther.m_Uuid )
 return 1.0;
 
 if( aOther.Type() != Type() )
 return 0.0;
 
 auto other = static_cast<const SCH_TEXTBOX&>( aOther );
 
 double similarity = SimilarityBase( other );
 
 if( m_excludedFromSim != other.m_excludedFromSim )
 similarity *= 0.9;
 
 if( GetMarginLeft() != other.GetMarginLeft() )
 similarity *= 0.9;
 
 if( GetMarginTop() != other.GetMarginTop() )
 similarity *= 0.9;
 
 if( GetMarginRight() != other.GetMarginRight() )
 similarity *= 0.9;
 
 if( GetMarginBottom() != other.GetMarginBottom() )
 similarity *= 0.9;
 
 similarity *= SCH_SHAPE::Similarity( aOther );
 similarity *= EDA_TEXT::Similarity( other );
 
 return similarity;
}
 
 
int SCH_TEXTBOX::compare( const SCH_ITEM& aOther, int aCompareFlags ) const
{
 wxASSERT( aOther.Type() == SCH_TEXTBOX_T );
 
 int retv = SCH_SHAPE::compare( aOther, aCompareFlags );
 
 if( retv )
 return retv;
 
 const SCH_TEXTBOX* tmp = static_cast<const SCH_TEXTBOX*>( &aOther );
 
 int result = GetText().CmpNoCase( tmp->GetText() );
 
 if( result != 0 )
 return result;
 
 if( GetTextWidth() != tmp->GetTextWidth() )
 return GetTextWidth() - tmp->GetTextWidth();
 
 if( GetTextHeight() != tmp->GetTextHeight() )
 return GetTextHeight() - tmp->GetTextHeight();
 
 if( IsBold() != tmp->IsBold() )
 return IsBold() - tmp->IsBold();
 
 if( IsItalic() != tmp->IsItalic() )
 return IsItalic() - tmp->IsItalic();
 
 if( GetHorizJustify() != tmp->GetHorizJustify() )
 return GetHorizJustify() - tmp->GetHorizJustify();
 
 if( GetTextAngle().AsTenthsOfADegree() != tmp->GetTextAngle().AsTenthsOfADegree() )
 return GetTextAngle().AsTenthsOfADegree() - tmp->GetTextAngle().AsTenthsOfADegree();
 
 if( GetMarginLeft() != tmp->GetMarginLeft() )
 return GetMarginLeft() - tmp->GetMarginLeft();
 
 if( GetMarginTop() != tmp->GetMarginTop() )
 return GetMarginTop() - tmp->GetMarginTop();
 
 if( GetMarginRight() != tmp->GetMarginRight() )
 return GetMarginRight() - tmp->GetMarginRight();
 
 if( GetMarginBottom() != tmp->GetMarginBottom() )
 return GetMarginBottom() - tmp->GetMarginBottom();
 
 return 0;
}
 
 
static struct SCH_TEXTBOX_DESC
{
 SCH_TEXTBOX_DESC()
 {
 PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
 REGISTER_TYPE( SCH_TEXTBOX );
 
 propMgr.AddTypeCast( new TYPE_CAST<SCH_TEXTBOX, SCH_SHAPE> );
 propMgr.AddTypeCast( new TYPE_CAST<SCH_TEXTBOX, EDA_SHAPE> );
 propMgr.AddTypeCast( new TYPE_CAST<SCH_TEXTBOX, EDA_TEXT> );
 propMgr.InheritsAfter( TYPE_HASH( SCH_TEXTBOX ), TYPE_HASH( SCH_SHAPE ) );
 propMgr.InheritsAfter( TYPE_HASH( SCH_TEXTBOX ), TYPE_HASH( EDA_SHAPE ) );
 propMgr.InheritsAfter( TYPE_HASH( SCH_TEXTBOX ), TYPE_HASH( EDA_TEXT ) );
 
 propMgr.Mask( TYPE_HASH( SCH_TEXTBOX ), TYPE_HASH( EDA_SHAPE ), _HKI( "Shape" ) );
 
 propMgr.Mask( TYPE_HASH( SCH_TEXTBOX ), TYPE_HASH( EDA_TEXT ), _HKI( "Visible" ) );
 propMgr.Mask( TYPE_HASH( SCH_TEXTBOX ), TYPE_HASH( EDA_TEXT ), _HKI( "Width" ) );
 propMgr.Mask( TYPE_HASH( SCH_TEXTBOX ), TYPE_HASH( EDA_TEXT ), _HKI( "Height" ) );
 propMgr.Mask( TYPE_HASH( SCH_TEXTBOX ), TYPE_HASH( EDA_TEXT ), _HKI( "Thickness" ) );
 
 const wxString marginProps = _( "Margins" );
 
 propMgr.AddProperty( new PROPERTY<SCH_TEXTBOX, int>( _HKI( "Margin Left" ),
 &SCH_TEXTBOX::SetMarginLeft, &SCH_TEXTBOX::GetMarginLeft,
 PROPERTY_DISPLAY::PT_SIZE ),
 marginProps );
 propMgr.AddProperty( new PROPERTY<SCH_TEXTBOX, int>( _HKI( "Margin Top" ),
 &SCH_TEXTBOX::SetMarginTop, &SCH_TEXTBOX::GetMarginTop,
 PROPERTY_DISPLAY::PT_SIZE ),
 marginProps );
 propMgr.AddProperty( new PROPERTY<SCH_TEXTBOX, int>( _HKI( "Margin Right" ),
 &SCH_TEXTBOX::SetMarginRight, &SCH_TEXTBOX::GetMarginRight,
 PROPERTY_DISPLAY::PT_SIZE ),
 marginProps );
 propMgr.AddProperty( new PROPERTY<SCH_TEXTBOX, int>( _HKI( "Margin Bottom" ),
 &SCH_TEXTBOX::SetMarginBottom, &SCH_TEXTBOX::GetMarginBottom,
 PROPERTY_DISPLAY::PT_SIZE ),
 marginProps );
 
 propMgr.AddProperty( new PROPERTY<SCH_TEXTBOX, int>( _HKI( "Text Size" ),
 &SCH_TEXTBOX::SetSchTextSize, &SCH_TEXTBOX::GetSchTextSize,
 PROPERTY_DISPLAY::PT_SIZE ),
 _HKI( "Text Properties" ) );
 
 propMgr.Mask( TYPE_HASH( SCH_TEXTBOX ), TYPE_HASH( EDA_TEXT ), _HKI( "Orientation" ) );
 }
} _SCH_TEXTBOX_DESC;