sch_field.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2015 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright (C) 2022 CERN
 * Copyright The 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
 */
 
#ifndef CLASS_SCH_FIELD_H
#define CLASS_SCH_FIELD_H
 
 
#include <eda_text.h>
#include <sch_item.h>
#include <template_fieldnames.h>
#include <general.h>
#include <string_utils.h>
#include "scintilla_tricks.h"
 
class SCH_EDIT_FRAME;
class SCH_TEXT;
 
 
class SCH_FIELD : public SCH_ITEM, public EDA_TEXT
{
public:
    SCH_FIELD( const VECTOR2I& aPos, int aFieldId, SCH_ITEM* aParent,
               const wxString& aName = wxEmptyString );
 
    SCH_FIELD( SCH_ITEM* aParent, int aFieldId = INVALID_FIELD,
               const wxString& aName = wxEmptyString );
 
    SCH_FIELD( SCH_TEXT* aText );
 
    SCH_FIELD( const SCH_FIELD& aText );
 
    ~SCH_FIELD() override
    { }
 
    SCH_FIELD& operator=( const SCH_FIELD& aField );
 
    static bool ClassOf( const EDA_ITEM* aItem )
    {
        return aItem && SCH_FIELD_T == aItem->Type();
    }
 
    wxString GetClass() const override
    {
        return wxT( "SCH_FIELD" );
    }
 
    bool IsType( const std::vector<KICAD_T>& aScanTypes ) const override
    {
        if( SCH_ITEM::IsType( aScanTypes ) )
            return true;
 
        for( KICAD_T scanType : aScanTypes )
        {
            if( scanType == SCH_FIELD_LOCATE_REFERENCE_T && m_id == REFERENCE_FIELD )
                return true;
            else if ( scanType == SCH_FIELD_LOCATE_VALUE_T && m_id == VALUE_FIELD )
                return true;
            else if ( scanType == SCH_FIELD_LOCATE_FOOTPRINT_T && m_id == FOOTPRINT_FIELD )
                return true;
            else if ( scanType == SCH_FIELD_LOCATE_DATASHEET_T && m_id == DATASHEET_FIELD )
                return true;
        }
 
        return false;
    }
 
    wxString GetFriendlyName() const override
    {
        return _( "Field" );
    }
 
    bool IsHypertext() const override
    {
        if( GetCanonicalName() == wxT( "Intersheetrefs" ) )
            return true;
 
        return IsURL( GetShownText( false ) );
    }
 
    void DoHypertextAction( EDA_DRAW_FRAME* aFrame ) const override;
 
    wxString GetName( bool aUseDefaultName = true ) const;
 
    wxString GetCanonicalName() const;
 
    void SetName( const wxString& aName );
 
    void SetText( const wxString& aText ) override;
 
    const wxString& GetInternalName() { return m_name; }
 
    int GetId() const { return m_id; }
 
    void SetId( int aId );
 
    wxString GetShownName() const;
    wxString GetShownText( const SCH_SHEET_PATH* aPath, bool aAllowExtraText,
                           int aDepth = 0 ) const;
 
    wxString GetShownText( bool aAllowExtraText, int aDepth = 0 ) const override;
 
    wxString GetFullText( int unit = 1 ) const;
 
    bool IsEmpty()
    {
        wxString name( m_name );
        wxString value( GetText() );
 
        return name.Trim().empty() && value.Trim().empty();
    }
 
    int GetSchTextSize() const { return GetTextWidth(); }
    void SetSchTextSize( int aSize ) { SetTextSize( VECTOR2I( aSize, aSize ) ); }
 
    COLOR4D GetFieldColor() const;
 
    void SetLastResolvedState( const SCH_ITEM* aItem ) override
    {
        const SCH_FIELD* aField = dynamic_cast<const SCH_FIELD*>( aItem );
 
        if( aField )
            m_lastResolvedColor = aField->m_lastResolvedColor;
    }
 
    std::vector<int> ViewGetLayers() const override;
 
    SCH_LAYER_ID GetDefaultLayer() const;
 
    EDA_ANGLE GetDrawRotation() const override;
 
    const BOX2I GetBoundingBox() const override;
 
    bool IsHorizJustifyFlipped() const;
    bool IsVertJustifyFlipped() const;
 
    GR_TEXT_H_ALIGN_T GetEffectiveHorizJustify() const;
    GR_TEXT_V_ALIGN_T GetEffectiveVertJustify() const;
 
    void SetEffectiveHorizJustify( GR_TEXT_H_ALIGN_T );
    void SetEffectiveVertJustify( GR_TEXT_V_ALIGN_T );
 
    bool IsNameShown() const { return m_showName; }
    void SetNameShown( bool aShown = true ) { m_showName = aShown; }
 
    bool IsNamedVariable() const { return m_isNamedVariable; }
 
    bool CanAutoplace() const { return m_allowAutoPlace; }
    void SetCanAutoplace( bool aCanPlace ) { m_allowAutoPlace = aCanPlace; }
 
    void SwapData( SCH_ITEM* aItem ) override;
 
    int GetPenWidth() const override;
 
    bool IsAutoAdded() const { return m_autoAdded; }
    void SetAutoAdded( bool aAutoAdded ) { m_autoAdded = aAutoAdded; }
 
    bool ShowInChooser() const { return m_showInChooser; }
    void SetShowInChooser( bool aShow = true ) { m_showInChooser = aShow; }
 
    void ClearCaches() override;
    void ClearRenderCache() override;
 
    std::vector<std::unique_ptr<KIFONT::GLYPH>>*
    GetRenderCache( const wxString& forResolvedText, const VECTOR2I& forPosition,
                    TEXT_ATTRIBUTES& aAttrs ) const;
 
    void Move( const VECTOR2I& aMoveVector ) override
    {
        Offset( aMoveVector );
    }
 
    void Rotate( const VECTOR2I& aCenter, bool aRotateCCW ) override;
 
    void MirrorVertically( int aCenter ) override;
    void MirrorHorizontally( int aCenter ) override;
 
    void BeginEdit( const VECTOR2I& aStartPoint ) override;
    void CalcEdit( const VECTOR2I& aPosition ) override;
 
    void OnScintillaCharAdded( SCINTILLA_TRICKS* aScintillaTricks,
                               wxStyledTextEvent &aEvent ) const;
 
    bool Matches( const EDA_SEARCH_DATA& aSearchData, void* aAuxData ) const override;
 
    bool Replace( const EDA_SEARCH_DATA& aSearchData, void* aAuxData = nullptr ) override;
 
    wxString GetItemDescription( UNITS_PROVIDER* aUnitsProvider, bool aFull ) const override;
    void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
 
    BITMAPS GetMenuImage() const override;
 
    bool IsReplaceable() const override;
 
    VECTOR2I GetLibPosition() const { return EDA_TEXT::GetTextPos(); }
 
    VECTOR2I GetPosition() const override;
    void     SetPosition( const VECTOR2I& aPosition ) override;
 
    VECTOR2I GetParentPosition() const;
 
    bool HitTest( const VECTOR2I& aPosition, int aAccuracy = 0 ) const override;
    bool HitTest( const BOX2I& aRect, bool aContained, int aAccuracy = 0 ) const override;
 
    void Print( const SCH_RENDER_SETTINGS* aSettings, int aUnit, int aBodyStyle,
                const VECTOR2I& aOffset, bool aForceNoFill, bool aDimmed ) override;
 
    void Plot( PLOTTER* aPlotter, bool aBackground, const SCH_PLOT_OPTS& aPlotOpts,
               int aUnit, int aBodyStyle, const VECTOR2I& aOffset, bool aDimmed ) override;
 
    EDA_ITEM* Clone() const override;
 
    void ImportValues( const SCH_FIELD& aSource );
 
    void Copy( SCH_FIELD* aTarget ) const;
 
    bool IsMandatory() const;
 
    bool operator <( const SCH_ITEM& aItem ) const override;
 
    double Similarity( const SCH_ITEM& aItem ) const override;
 
    bool operator==( const SCH_ITEM& aItem ) const override;
    bool operator==( const SCH_FIELD& aItem ) const;
 
#if defined(DEBUG)
    void Show( int nestLevel, std::ostream& os ) const override { ShowDummy( os ); }
#endif
 
protected:
    KIFONT::FONT* getDrawFont() const override;
 
    const KIFONT::METRICS& getFontMetrics() const override { return GetFontMetrics(); }
 
    int compare( const SCH_ITEM& aOther, int aCompareFlags = 0 ) const override;
 
private:
    int      m_id;         
 
    wxString m_name;
 
    bool     m_showName;        
    bool     m_allowAutoPlace;  
    bool     m_isNamedVariable; 
 
    bool     m_autoAdded;       
    bool     m_showInChooser;   
 
    mutable bool                                        m_renderCacheValid;
    mutable VECTOR2I                                    m_renderCachePos;
    mutable std::vector<std::unique_ptr<KIFONT::GLYPH>> m_renderCache;
 
    mutable COLOR4D                                     m_lastResolvedColor;
};
 
 
#endif /* CLASS_SCH_FIELD_H */