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578 lines
18 KiB
578 lines
18 KiB
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2015 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 1992-2017 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* @file sch_sheet.h
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* @brief Definition of the SCH_SHEET class for Eeschema.
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*/
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#ifndef SCH_SHEEET_H
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#define SCH_SHEEET_H
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#include <boost/ptr_container/ptr_vector.hpp>
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#include <sch_text.h>
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class LINE_READER;
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class SCH_SCREEN;
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class SCH_SHEET;
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class SCH_SHEET_PIN;
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class SCH_SHEET_PATH;
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class DANGLING_END_ITEM;
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class SCH_EDIT_FRAME;
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class NETLIST_OBJECT_LIST;
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#define MIN_SHEET_WIDTH 500
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#define MIN_SHEET_HEIGHT 150
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/**
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* Define a sheet pin (label) used in sheets to create hierarchical schematics.
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*
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* A SCH_SHEET_PIN is used to create a hierarchical sheet in the same way a
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* pin is used in a component. It connects the objects in the sheet object
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* to the objects in the schematic page to the objects in the page that is
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* represented by the sheet. In a sheet object, a SCH_SHEET_PIN must be
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* connected to a wire, bus, or label. In the schematic page represented by
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* the sheet, it corresponds to a hierarchical label.
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*/
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class SCH_SHEET_PIN : public SCH_HIERLABEL
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{
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public:
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/**
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* Defines the edge of the sheet that the sheet pin is positioned
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* SHEET_LEFT_SIDE = 0: pin on left side
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* SHEET_RIGHT_SIDE = 1: pin on right side
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* SHEET_TOP_SIDE = 2: pin on top side
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* SHEET_BOTTOM_SIDE =3: pin on bottom side
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*
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* For compatibility reasons, this does not follow same values as text orientation.
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*/
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enum SHEET_SIDE
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{
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SHEET_LEFT_SIDE = 0,
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SHEET_RIGHT_SIDE,
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SHEET_TOP_SIDE,
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SHEET_BOTTOM_SIDE,
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SHEET_UNDEFINED_SIDE
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};
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private:
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int m_number; ///< Label number use for saving sheet label to file.
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///< Sheet label numbering begins at 2.
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///< 0 is reserved for the sheet name.
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///< 1 is reserve for the sheet file name.
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SHEET_SIDE m_edge;
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public:
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SCH_SHEET_PIN( SCH_SHEET* parent,
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const wxPoint& pos = wxPoint( 0, 0 ),
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const wxString& text = wxEmptyString );
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// Do not create a copy constructor. The one generated by the compiler is adequate.
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~SCH_SHEET_PIN() { }
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wxString GetClass() const override
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{
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return wxT( "SCH_SHEET_PIN" );
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}
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bool operator ==( const SCH_SHEET_PIN* aPin ) const;
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/**
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* Return true for items which are moved with the anchor point at mouse cursor
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* and false for items moved with no reference to anchor (usually large items)
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*
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* @return true for a hierarchical sheet pin
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*/
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bool IsMovableFromAnchorPoint() override { return true; }
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void Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aOffset,
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GR_DRAWMODE aDrawMode, COLOR4D aColor = COLOR4D::UNSPECIFIED ) override;
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/**
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* Calculate the graphic shape (a polygon) associated to the text.
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*
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* @param aPoints = a buffer to fill with polygon corners coordinates
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* @param aPos = Position of the shape
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*/
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void CreateGraphicShape( std::vector <wxPoint>& aPoints, const wxPoint& aPos ) override;
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void SwapData( SCH_ITEM* aItem ) override;
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int GetPenSize() const override;
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/**
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* Get the sheet label number.
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*
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* @return Number of the sheet label.
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*/
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int GetNumber() const { return m_number; }
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/**
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* Set the sheet label number.
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*
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* @param aNumber - New sheet number label.
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*/
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void SetNumber( int aNumber );
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void SetEdge( SHEET_SIDE aEdge );
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SHEET_SIDE GetEdge() const;
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/**
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* Adjust label position to edge based on proximity to vertical or horizontal edge
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* of the parent sheet.
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*/
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void ConstrainOnEdge( wxPoint Pos );
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/**
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* Get the parent sheet object of this sheet pin.
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*
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* @return The sheet that is the parent of this sheet pin or NULL if it does
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* not have a parent.
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*/
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SCH_SHEET* GetParent() const { return (SCH_SHEET*) m_Parent; }
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#if defined(DEBUG)
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void Show( int nestLevel, std::ostream& os ) const override;
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#endif
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// Geometric transforms (used in block operations):
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void Move( const wxPoint& aMoveVector ) override
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{
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Offset( aMoveVector );
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}
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void MirrorY( int aYaxis_position ) override;
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void Rotate( wxPoint aPosition ) override;
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void MirrorX( int aXaxis_position ) override;
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bool Matches( wxFindReplaceData& aSearchData, void* aAuxData, wxPoint* aFindLocation ) override;
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bool Replace( wxFindReplaceData& aSearchData, void* aAuxData = NULL ) override
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{
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return EDA_ITEM::Replace( aSearchData, m_Text );
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}
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bool IsReplaceable() const override { return true; }
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void GetEndPoints( std::vector< DANGLING_END_ITEM >& aItemList ) override;
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bool IsConnectable() const override { return true; }
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wxString GetSelectMenuText( EDA_UNITS_T aUnits ) const override;
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BITMAP_DEF GetMenuImage() const override;
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void SetPosition( const wxPoint& aPosition ) override { ConstrainOnEdge( aPosition ); }
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bool HitTest( const wxPoint& aPosition, int aAccuracy ) const override;
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EDA_ITEM* Clone() const override;
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};
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typedef boost::ptr_vector<SCH_SHEET_PIN> SCH_SHEET_PINS;
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/**
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* Sheet symbol placed in a schematic, and is the entry point for a sub schematic.
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*/
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class SCH_SHEET : public SCH_ITEM
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{
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friend class SCH_SHEET_PIN;
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/// Screen that contains the physical data for the sheet. In complex hierarchies
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/// multiple sheets can share a common screen.
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SCH_SCREEN* m_screen;
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/// The list of sheet connection points.
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SCH_SHEET_PINS m_pins;
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/// The file name is also in the #SCH_SCREEN object associated with the sheet. It is
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/// also needed here for loading after reading the sheet description from file.
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wxString m_fileName;
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/// This is equivalent to the reference designator for components and is stored in F0
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/// sheet pin in the schematic file.
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wxString m_name;
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/// The height of the text used to draw the sheet name.
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int m_sheetNameSize;
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/// The height of the text used to draw the file name.
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int m_fileNameSize;
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/// The position of the sheet.
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wxPoint m_pos;
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/// The size of the sheet.
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wxSize m_size;
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public:
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SCH_SHEET( const wxPoint& pos = wxPoint( 0, 0 ) );
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/**
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* Copy \a aSheet into a new object. All sheet pins are copied as is except and
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* the SCH_SHEET_PIN's #m_Parent pointers are set to the new copied parent object.
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*/
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SCH_SHEET( const SCH_SHEET& aSheet );
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~SCH_SHEET();
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wxString GetClass() const override
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{
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return wxT( "SCH_SHEET" );
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}
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/**
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* Return true for items which are moved with the anchor point at mouse cursor
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* and false for items moved with no reference to anchor.
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*
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* Usually return true for small items (labels, junctions) and false for
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* items which can be large (hierarchical sheets, compoments)
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*
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* @return false for a hierarchical sheet
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*/
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bool IsMovableFromAnchorPoint() override { return false; }
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wxString GetName() const { return m_name; }
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void SetName( const wxString& aName ) { m_name = aName; }
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int GetSheetNameSize() const { return m_sheetNameSize; }
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void SetSheetNameSize( int aSize ) { m_sheetNameSize = aSize; }
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int GetFileNameSize() const { return m_fileNameSize; }
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void SetFileNameSize( int aSize ) { m_fileNameSize = aSize; }
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SCH_SCREEN* GetScreen() { return m_screen; }
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wxSize GetSize() { return m_size; }
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void SetSize( const wxSize& aSize ) { m_size = aSize; }
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/**
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* Return the root sheet of this SCH_SHEET object.
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*
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* The root (top level) sheet can be found by walking up the parent links until the only
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* sheet that has no parent is found. The root sheet can be found from any sheet without
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* having to maintain a global root sheet pointer.
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*
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* @return a SCH_SHEET pointer to the root sheet.
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*/
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SCH_SHEET* GetRootSheet();
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/**
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* Set the #SCH_SCREEN associated with this sheet to \a aScreen.
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*
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* The screen reference counting is performed by SetScreen. If \a aScreen is not
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* the same as the current screen, the current screen reference count is decremented
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* and \a aScreen becomes the screen for the sheet. If the current screen reference
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* count reaches zero, the current screen is deleted. NULL is a valid value for
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* \a aScreen.
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*
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* @param aScreen The new screen to associate with the sheet.
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*/
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void SetScreen( SCH_SCREEN* aScreen );
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/**
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* Return the number of times the associated screen for the sheet is being used.
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*
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* If no screen is associated with the sheet, then zero is returned.
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*/
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int GetScreenCount() const;
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void GetMsgPanelInfo( EDA_UNITS_T aUnits, std::vector< MSG_PANEL_ITEM >& aList ) override;
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/* there is no member for orientation in sch_sheet, to preserve file
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* format, we detect orientation based on pin edges
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*/
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bool IsVerticalOrientation() const;
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/**
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* Add aSheetPin to the sheet.
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*
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* Note: Once a sheet pin is added to the sheet, it is owned by the sheet.
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* Do not delete the sheet pin object or you will likely get a segfault
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* when the sheet is destroyed.
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*
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* @param aSheetPin The sheet pin item to add to the sheet.
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*/
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void AddPin( SCH_SHEET_PIN* aSheetPin );
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SCH_SHEET_PINS& GetPins() { return m_pins; }
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SCH_SHEET_PINS& GetPins() const
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{
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return const_cast< SCH_SHEET_PINS& >( m_pins );
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}
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/**
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* Remove \a aSheetPin from the sheet.
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*
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* @param aSheetPin The sheet pin item to remove from the sheet.
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*/
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void RemovePin( SCH_SHEET_PIN* aSheetPin );
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/**
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* Delete sheet label which do not have a corresponding hierarchical label.
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*
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* Note: Make sure you save a copy of the sheet in the undo list before calling
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* CleanupSheet() otherwise any unreferenced sheet labels will be lost.
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*/
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void CleanupSheet();
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/**
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* Return the sheet pin item found at \a aPosition in the sheet.
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*
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* @param aPosition The position to check for a sheet pin.
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*
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* @return The sheet pin found at \a aPosition or NULL if no sheet pin is found.
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*/
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SCH_SHEET_PIN* GetPin( const wxPoint& aPosition );
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/**
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* Checks if the sheet already has a sheet pin named \a aName.
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*
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* @param aName Name of the sheet pin to search for.
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*
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* @return True if sheet pin with \a aName is found, otherwise false.
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*/
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bool HasPin( const wxString& aName );
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bool HasPins() { return !m_pins.empty(); }
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/**
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* Check all sheet labels against schematic for undefined hierarchical labels.
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*
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* @return True if there are any undefined labels.
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*/
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bool HasUndefinedPins();
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/**
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* Return the minimum width of the sheet based on the widths of the sheet pin text.
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*
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* The minimum sheet width is determined by the width of the bounding box of each
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* hierarchical sheet pin. If two pins are horizontally adjacent ( same Y position )
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* to each other, the sum of the bounding box widths is used. If at some point in
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* the future sheet objects can be rotated or pins can be placed in the vertical
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* orientation, this function will need to be changed.
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*
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* @return The minimum width the sheet can be resized.
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*/
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int GetMinWidth() const;
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/**
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* Return the minimum height that the sheet can be resized based on the sheet pin positions.
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*
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* The minimum width of a sheet is determined by the Y axis location of the bottom
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* most sheet pin. If at some point in the future sheet objects can be rotated or
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* pins can be placed in the vertical orientation, this function will need to be
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* changed.
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*
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* @return The minimum height the sheet can be resized.
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*/
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int GetMinHeight() const;
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int GetPenSize() const override;
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void Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aOffset,
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GR_DRAWMODE aDrawMode, COLOR4D aColor = COLOR4D::UNSPECIFIED ) override;
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EDA_RECT const GetBoundingBox() const override;
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/**
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* Return the position of the lower right corner of the sheet in drawing units.
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*
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* @return A wxPoint containing lower right corner of the sheet in drawing units.
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*/
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wxPoint GetResizePosition() const;
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void SwapData( SCH_ITEM* aItem ) override;
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/**
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* Count our own components, without the power components.
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*
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* @return the component count.
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*/
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int ComponentCount();
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/**
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* Search the existing hierarchy for an instance of screen loaded from \a aFileName.
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*
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* @param aFilename = the filename to find
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* @param aScreen = a location to return a pointer to the screen (if found)
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* @return bool if found, and a pointer to the screen
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*/
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bool SearchHierarchy( const wxString& aFilename, SCH_SCREEN** aScreen );
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/**
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* Search the existing hierarchy for an instance of screen loaded from \a aFileName.
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*
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* Don't bother looking at the root sheet, it must be unique. No other references to
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* its m_screen otherwise there would be loops in the hierarchy.
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*
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* @param aScreen = the SCH_SCREEN* screen that we search for
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* @param aList = the SCH_SHEET_PATH* that must be used
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* @return true if found
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*/
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bool LocatePathOfScreen( SCH_SCREEN* aScreen, SCH_SHEET_PATH* aList );
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/**
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* Count the number of sheets found in "this" sheet includeing all of the subsheets.
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*
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* @return the full count of sheets+subsheets contained by "this"
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*/
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int CountSheets();
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/**
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* Return the filename corresponding to this sheet.
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*
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* @return a wxString containing the filename
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*/
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wxString GetFileName( void ) const;
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// Set a new filename without changing anything else
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void SetFileName( const wxString& aFilename )
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{
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m_fileName = aFilename;
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// Filenames are stored using unix notation
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m_fileName.Replace( wxT("\\"), wxT("/") );
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}
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bool ChangeFileName( SCH_EDIT_FRAME* aFrame, const wxString& aFileName );
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// Geometric transforms (used in block operations):
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void Move( const wxPoint& aMoveVector ) override
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{
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m_pos += aMoveVector;
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for( SCH_SHEET_PIN& pin : m_pins )
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{
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pin.Move( aMoveVector );
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}
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}
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void MirrorY( int aYaxis_position ) override;
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void MirrorX( int aXaxis_position ) override;
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void Rotate( wxPoint aPosition ) override;
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bool Matches( wxFindReplaceData& aSearchData, void* aAuxData, wxPoint* aFindLocation ) override;
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bool Replace( wxFindReplaceData& aSearchData, void* aAuxData = NULL ) override;
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bool IsReplaceable() const override { return true; }
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/**
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* Resize this sheet to aSize and adjust all of the labels accordingly.
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*
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* @param aSize - The new size for this sheet.
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*/
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void Resize( const wxSize& aSize );
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/**
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* @return the position of the anchor of sheet name text
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*/
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wxPoint GetSheetNamePosition();
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/**
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* @return the position of the anchor of filename text
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*/
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wxPoint GetFileNamePosition();
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void GetEndPoints( std::vector <DANGLING_END_ITEM>& aItemList ) override;
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bool IsDanglingStateChanged( std::vector< DANGLING_END_ITEM >& aItemList ) override;
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bool IsDangling() const override;
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bool IsSelectStateChanged( const wxRect& aRect ) override;
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bool IsConnectable() const override { return true; }
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bool CanConnect( const SCH_ITEM* aItem ) const override
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{
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return ( aItem->Type() == SCH_LINE_T && aItem->GetLayer() == LAYER_WIRE ) ||
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( aItem->Type() == SCH_LINE_T && aItem->GetLayer() == LAYER_BUS ) ||
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( aItem->Type() == SCH_NO_CONNECT_T );
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}
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void GetConnectionPoints( std::vector< wxPoint >& aPoints ) const override;
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SEARCH_RESULT Visit( INSPECTOR inspector, void* testData, const KICAD_T scanTypes[] ) override;
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wxString GetSelectMenuText( EDA_UNITS_T aUnits ) const override;
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BITMAP_DEF GetMenuImage() const override;
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void GetNetListItem( NETLIST_OBJECT_LIST& aNetListItems,
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SCH_SHEET_PATH* aSheetPath ) override;
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SCH_ITEM& operator=( const SCH_ITEM& aSheet );
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wxPoint GetPosition() const override { return m_pos; }
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void SetPosition( const wxPoint& aPosition ) override;
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bool HitTest( const wxPoint& aPosition, int aAccuracy ) const override;
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bool HitTest( const EDA_RECT& aRect, bool aContained = false, int aAccuracy = 0 ) const override;
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void Plot( PLOTTER* aPlotter ) override;
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EDA_ITEM* Clone() const override;
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#if defined(DEBUG)
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void Show( int nestLevel, std::ostream& os ) const override;
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#endif
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protected:
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/**
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* Renumber the sheet pins in the sheet.
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*
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* This method is used internally by SCH_SHEET to update the pin numbering
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* when the pin list changes. Make sure you call this method any time a
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* sheet pin is added or removed.
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*/
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void renumberPins();
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};
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typedef std::vector< SCH_SHEET* > SCH_SHEETS; // no ownership over contained SCH_SHEETs
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#endif // SCH_SHEEET_H
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