sch_textbox.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2022 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 <project/net_settings.h>
#include <core/kicad_algo.h>
#include <trigo.h>
#include <sch_textbox.h>
#include <tools/sch_navigate_tool.h>
 
using KIGFX::SCH_RENDER_SETTINGS;
 
 
SCH_TEXTBOX::SCH_TEXTBOX( int aLineWidth, FILL_T aFillType, const wxString& text ) :
 SCH_SHAPE( SHAPE_T::RECT, aLineWidth, aFillType, SCH_TEXTBOX_T ),
 EDA_TEXT( schIUScale, text )
{
 m_layer = LAYER_NOTES;
 
 SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );
 SetVertJustify( GR_TEXT_V_ALIGN_TOP );
 SetMultilineAllowed( true );
}
 
 
SCH_TEXTBOX::SCH_TEXTBOX( const SCH_TEXTBOX& aText ) :
 SCH_SHAPE( aText ),
 EDA_TEXT( aText )
{ }
 
 
int SCH_TEXTBOX::GetTextMargin() const
{
 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 )
 {
 switch( GetHorizJustify() )
 {
 case GR_TEXT_H_ALIGN_LEFT: SetHorizJustify( GR_TEXT_H_ALIGN_RIGHT ); break;
 case GR_TEXT_H_ALIGN_CENTER: break;
 case GR_TEXT_H_ALIGN_RIGHT: SetHorizJustify( GR_TEXT_H_ALIGN_LEFT ); break;
 }
 }
}
 
 
void SCH_TEXTBOX::MirrorVertically( int aCenter )
{
 // Text is NOT really mirrored; it just has its justification flipped
 if( GetTextAngle() == ANGLE_VERTICAL )
 {
 switch( GetHorizJustify() )
 {
 case GR_TEXT_H_ALIGN_LEFT: SetHorizJustify( GR_TEXT_H_ALIGN_RIGHT ); break;
 case GR_TEXT_H_ALIGN_CENTER: break;
 case GR_TEXT_H_ALIGN_RIGHT: SetHorizJustify( GR_TEXT_H_ALIGN_LEFT ); break;
 }
 }
}
 
 
void SCH_TEXTBOX::Rotate( const VECTOR2I& aCenter )
{
 SCH_SHAPE::Rotate( aCenter );
 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
{
 int margin = GetTextMargin();
 BOX2I bbox( m_start, m_end - m_start );
 
 bbox.Normalize();
 
 VECTOR2I pos( bbox.GetLeft() + margin, bbox.GetBottom() - margin );
 
 if( GetTextAngle() == ANGLE_VERTICAL )
 {
 switch( GetHorizJustify() )
 {
 case GR_TEXT_H_ALIGN_LEFT:
 pos.y = bbox.GetBottom() - margin;
 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() + margin;
 break;
 }
 
 switch( GetVertJustify() )
 {
 case GR_TEXT_V_ALIGN_TOP:
 pos.x = bbox.GetLeft() + margin;
 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() - margin;
 break;
 }
 }
 else
 {
 switch( GetHorizJustify() )
 {
 case GR_TEXT_H_ALIGN_LEFT:
 pos.x = bbox.GetLeft() + margin;
 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() - margin;
 break;
 }
 
 switch( GetVertJustify() )
 {
 case GR_TEXT_V_ALIGN_TOP:
 pos.y = bbox.GetTop() + margin;
 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() - margin;
 break;
 }
 }
 
 return pos;
}
 
 
void SCH_TEXTBOX::SwapData( SCH_ITEM* aItem )
{
 SCH_TEXTBOX* item = static_cast<SCH_TEXTBOX*>( aItem );
 
 std::swap( m_layer, item->m_layer );
 
 SwapText( *item );
 SwapAttributes( *item );
 
 SCH_SHAPE::SwapData( aItem );
}
 
 
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;
 
 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 RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset )
{
 wxDC* DC = aSettings->GetPrintDC();
 int penWidth = GetPenWidth();
 bool blackAndWhiteMode = GetGRForceBlackPenState();
 VECTOR2I pt1 = GetStart();
 VECTOR2I pt2 = GetEnd();
 COLOR4D color = GetStroke().GetColor();
 PLOT_DASH_TYPE lineStyle = GetStroke().GetPlotStyle();
 
 if( GetFillMode() == FILL_T::FILLED_WITH_COLOR && !blackAndWhiteMode )
 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( lineStyle == PLOT_DASH_TYPE::DEFAULT )
 lineStyle = PLOT_DASH_TYPE::SOLID;
 
 if( lineStyle == PLOT_DASH_TYPE::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 )
 {
 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 );
 
 EDA_TEXT::Print( aSettings, aOffset, color );
}
 
 
wxString SCH_TEXTBOX::GetShownText( int aDepth, bool aAllowExtraText ) const
{
 std::function<bool( wxString* )> textResolver =
 [&]( wxString* token ) -> bool
 {
 if( SCH_SHEET* sheet = Schematic()->CurrentSheet().Last() )
 {
 if( sheet->ResolveTextVar( token, aDepth + 1 ) )
 return true;
 }
 
 return false;
 };
 
 wxString text = EDA_TEXT::GetShownText();
 
 if( HasTextVars() )
 {
 if( aDepth < 10 )
 text = ExpandTextVars( text, &textResolver );
 }
 
 KIFONT::FONT* font = GetFont();
 
 if( !font )
 font = KIFONT::FONT::GetFont( GetDefaultFont(), IsBold(), IsItalic() );
 
 VECTOR2D size = GetEnd() - GetStart();
 int colWidth = GetTextAngle() == ANGLE_HORIZONTAL ? size.x : size.y;
 
 colWidth = abs( colWidth ) - GetTextMargin() * 2;
 font->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 */,
 "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( _( "Graphic Text Box" ) );
}
 
 
BITMAPS SCH_TEXTBOX::GetMenuImage() const
{
 return BITMAPS::add_textbox;
}
 
 
void SCH_TEXTBOX::Plot( PLOTTER* aPlotter, bool aBackground ) const
{
 if( aBackground )
 {
 SCH_SHAPE::Plot( aPlotter, aBackground );
 return;
 }
 
 RENDER_SETTINGS* settings = aPlotter->RenderSettings();
 int penWidth = GetPenWidth();
 COLOR4D color = GetStroke().GetColor();
 PLOT_DASH_TYPE lineStyle = GetStroke().GetPlotStyle();
 
 if( penWidth > 0 )
 {
 penWidth = std::max( penWidth, settings->GetMinPenWidth() );
 
 if( !aPlotter->GetColorMode() || color == COLOR4D::UNSPECIFIED )
 color = settings->GetLayerColor( m_layer );
 
 if( lineStyle == PLOT_DASH_TYPE::DEFAULT )
 lineStyle = PLOT_DASH_TYPE::SOLID;
 
 aPlotter->SetColor( color );
 aPlotter->SetDash( penWidth, lineStyle );
 aPlotter->Rect( m_start, m_end, FILL_T::NO_FILL, penWidth );
 aPlotter->SetDash( penWidth, PLOT_DASH_TYPE::SOLID );
 }
 
 KIFONT::FONT* font = GetFont();
 
 if( !font )
 font = KIFONT::FONT::GetFont( settings->GetDefaultFont(), IsBold(), IsItalic() );
 
 color = GetTextColor();
 
 if( !aPlotter->GetColorMode() || color == COLOR4D::UNSPECIFIED )
 color = settings->GetLayerColor( m_layer );
 
 penWidth = GetEffectiveTextPenWidth( settings->GetDefaultPenWidth() );
 penWidth = std::max( penWidth, settings->GetMinPenWidth() );
 aPlotter->SetCurrentLineWidth( penWidth );
 
 std::vector<VECTOR2I> positions;
 wxArrayString strings_list;
 wxStringSplit( GetShownText(), strings_list, '\n' );
 positions.reserve( strings_list.Count() );
 
 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 );
 }
 
 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() ) );
 
 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 );
}