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466 lines
16 KiB
466 lines
16 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) 1992-2021 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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#ifndef SCH_SHEEET_H
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#define SCH_SHEEET_H
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#include <sch_field.h>
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class KIID_PATH;
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class SCH_SCREEN;
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class SCH_SHEET_PIN;
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class SCH_SHEET_PATH;
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class EDA_DRAW_FRAME;
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#define MIN_SHEET_WIDTH 500 // Units are mils.
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#define MIN_SHEET_HEIGHT 150 // Units are mils.
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enum SHEET_FIELD_TYPE
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{
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SHEETNAME = 0,
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SHEETFILENAME,
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/// The first 2 are mandatory, and must be instantiated in SCH_SHEET
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SHEET_MANDATORY_FIELDS
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};
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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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public:
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SCH_SHEET( EDA_ITEM* aParent = nullptr, 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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static inline bool ClassOf( const EDA_ITEM* aItem )
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{
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return aItem && SCH_SHEET_T == aItem->Type();
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}
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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, symbols).
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*
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* @return false for a hierarchical sheet.
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*/
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bool IsMovableFromAnchorPoint() const override { return false; }
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std::vector<SCH_FIELD>& GetFields() { return m_fields; }
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const std::vector<SCH_FIELD>& GetFields() const { return m_fields; }
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/**
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* Set multiple schematic fields.
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*
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* @param aFields are the fields to set in this symbol.
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*/
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void SetFields( const std::vector<SCH_FIELD>& aFields )
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{
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m_fields = aFields; // vector copying, length is changed possibly
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}
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wxString GetName() const { return m_fields[ SHEETNAME ].GetText(); }
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SCH_SCREEN* GetScreen() const { return m_screen; }
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wxSize GetSize() const { return m_size; }
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void SetSize( const wxSize& aSize ) { m_size = aSize; }
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int GetBorderWidth() const { return m_borderWidth; }
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void SetBorderWidth( int aWidth ) { m_borderWidth = aWidth; }
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KIGFX::COLOR4D GetBorderColor() const { return m_borderColor; }
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void SetBorderColor( KIGFX::COLOR4D aColor ) { m_borderColor = aColor; }
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KIGFX::COLOR4D GetBackgroundColor() const { return m_backgroundColor; }
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void SetBackgroundColor( KIGFX::COLOR4D aColor ) { m_backgroundColor = aColor; }
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/**
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* Test this sheet to see if the default stroke is used to draw the outline.
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*
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* The default stroke is defined as follows:
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* * The outline width is the default line width or 0.
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* * The outline style is set to #PLOT_DASH_TYPE::DEFAULT or #PLOT_DASH_TYPE::SOLID.
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* * The outline color is set to #COLOR4D::UNSPECIFIED.
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*
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* @return True if the outline stroke meets the default criteria.
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*/
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bool UsesDefaultStroke() const;
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/**
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* @return true if this sheet is the root sheet.
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*/
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bool IsRootSheet() const;
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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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/**
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* Return the list of system text vars & fields for this sheet.
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*/
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void GetContextualTextVars( wxArrayString* aVars ) const;
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/**
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* Resolve any references to system tokens supported by the sheet.
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*
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* @param aDepth is a counter to limit recursion and circular references.
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*/
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bool ResolveTextVar( wxString* token, int aDepth = 0 ) const;
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void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, 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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std::vector<SCH_SHEET_PIN*>& GetPins() { return m_pins; }
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const std::vector<SCH_SHEET_PIN*>& GetPins() const
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{
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return 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( const 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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* @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 ) const;
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bool HasPins() const { 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() const;
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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( bool aFromLeft ) 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( bool aFromTop ) const;
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int GetPenWidth() const override;
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void Print( const RENDER_SETTINGS* aSettings, const wxPoint& aOffset ) override;
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/**
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* Return a bounding box for the sheet body but not the fields.
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*/
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const EDA_RECT GetBodyBoundingBox() const;
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const EDA_RECT GetBoundingBox() const override;
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/**
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* Rotating around the boundingBox's center can cause walking when the sheetname or
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* filename is longer than the edge it's on. Use this instead, which always returns
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* the center of the sheet itself.
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*/
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wxPoint GetRotationCenter() const;
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void SwapData( SCH_ITEM* aItem ) override;
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/**
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* Count our own symbols, without the power symbols.
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*/
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int SymbolCount() const;
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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 (MUST be absolute, and in wxPATH_NATIVE encoding).
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* @param aScreen A location to return a pointer to the screen (if found).
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* @return true 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[in] aScreen The SCH_SCREEN* screen that we search for.
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* @param[in] 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 including 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() const;
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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() const
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{
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return m_fields[ SHEETFILENAME ].GetText();
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}
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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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// Filenames are stored using unix notation
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wxString tmp = aFilename;
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tmp.Replace( wxT( "\\" ), wxT( "/" ) );
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m_fields[ SHEETFILENAME ].SetText( tmp );
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}
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// Geometric transforms (used in block operations):
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void Move( const wxPoint& aMoveVector ) override;
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void MirrorHorizontally( int aCenter ) override;
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void MirrorVertically( int aCenter ) override;
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void Rotate( const wxPoint& aCenter ) override;
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bool Matches( const wxFindReplaceData& aSearchData, void* aAuxData ) const 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[in] aSize The new size for this sheet.
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*/
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void Resize( const wxSize& aSize );
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void AutoplaceFields( SCH_SCREEN* aScreen, bool aManual ) override;
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void GetEndPoints( std::vector <DANGLING_END_ITEM>& aItemList ) override;
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bool UpdateDanglingState( std::vector<DANGLING_END_ITEM>& aItemList,
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const SCH_SHEET_PATH* aPath = nullptr ) 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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|| ( aItem->Type() == SCH_SYMBOL_T );
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}
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std::vector<wxPoint> GetConnectionPoints() const override;
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SEARCH_RESULT Visit( INSPECTOR inspector, void* testData, const KICAD_T scanTypes[] ) override;
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void RunOnChildren( const std::function<void( SCH_ITEM* )>& aFunction ) override;
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wxString GetSelectMenuText( EDA_UNITS aUnits ) const override;
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BITMAPS GetMenuImage() const override;
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SCH_SHEET& operator=( const SCH_ITEM& aSheet );
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bool operator <( const SCH_ITEM& aItem ) const override;
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void ViewGetLayers( int aLayers[], int& aCount ) const override;
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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, int aAccuracy = 0 ) const override;
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void Plot( PLOTTER* aPlotter ) const override;
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EDA_ITEM* Clone() const override;
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/**
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* @return the list of #SCH_SHEET_INSTANCE objects for this sheet.
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*/
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const std::vector<SCH_SHEET_INSTANCE> GetInstances() const;
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/**
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* Add a new instance \a aSheetPath to the instance list.
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*
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* If \a aSheetPath does not already exist, it is added to the list. If already exists
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* in the list, do nothing. Sheet instances allow for the sharing in complex hierarchies
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* which allows for per instance data such as page number for sheets to stored.
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*
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* @param[in] aInstance is the #KIID_PATH of the sheet instance to the instance list.
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* @return false if the instance already exists, true if the instance was added.
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*/
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bool AddInstance( const KIID_PATH& aInstance );
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/**
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* Return the sheet page number for \a aInstance.
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*
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* @return the page number for the requested sheet instance.
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*/
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wxString GetPageNumber( const SCH_SHEET_PATH& aInstance ) const;
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/**
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* Set the page number for the sheet instance \a aInstance.
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*
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* @param[in] aInstance is the hierarchical path of the sheet.
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* @param[in] aReference is the new page number for the sheet.
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*/
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void SetPageNumber( const SCH_SHEET_PATH& aInstance, const wxString& aPageNumber );
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/**
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* Compares page numbers of schematic sheets.
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*
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* @return 0 if the page numbers are equal, -1 if aPageNumberA < aPageNumberB, 1 otherwise
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*/
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static int ComparePageNum( const wxString& aPageNumberA, const wxString& aPageNumberB );
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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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static const wxString GetDefaultFieldName( int aFieldNdx );
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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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private:
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bool doIsConnected( const wxPoint& aPosition ) const override;
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friend class SCH_SHEET_PIN;
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SCH_SCREEN* m_screen; // Screen that contains the physical data for the sheet. In
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// complex hierarchies multiple sheets can share a common screen.
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std::vector<SCH_SHEET_PIN*> m_pins; // The list of sheet connection points.
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std::vector<SCH_FIELD> m_fields;
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wxPoint m_pos; // The position of the sheet.
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wxSize m_size; // The size of the sheet.
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int m_borderWidth;
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KIGFX::COLOR4D m_borderColor;
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KIGFX::COLOR4D m_backgroundColor;
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std::vector<SCH_SHEET_INSTANCE> m_instances;
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};
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#endif // SCH_SHEEET_H
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