sch_sheet.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) 1992-2021 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 SCH_SHEEET_H
#define SCH_SHEEET_H

#include <sch_field.h>

class KIID_PATH;
class SCH_SCREEN;
class SCH_SHEET_PIN;
class SCH_SHEET_PATH;
class EDA_DRAW_FRAME;


#define MIN_SHEET_WIDTH  500    // Units are mils.
#define MIN_SHEET_HEIGHT 150    // Units are mils.


enum  SHEET_FIELD_TYPE
{
    SHEETNAME = 0,
    SHEETFILENAME,

    SHEET_MANDATORY_FIELDS
};


class SCH_SHEET : public SCH_ITEM
{
public:
    SCH_SHEET( EDA_ITEM* aParent = nullptr, const wxPoint& pos = wxPoint( 0, 0 ) );

    SCH_SHEET( const SCH_SHEET& aSheet );

    ~SCH_SHEET();

    static inline bool ClassOf( const EDA_ITEM* aItem )
    {
        return aItem && SCH_SHEET_T == aItem->Type();
    }

    wxString GetClass() const override
    {
        return wxT( "SCH_SHEET" );
    }

    bool IsMovableFromAnchorPoint() const override { return false; }

    std::vector<SCH_FIELD>& GetFields() { return m_fields; }
    const std::vector<SCH_FIELD>& GetFields() const { return m_fields; }

    void SetFields( const std::vector<SCH_FIELD>& aFields )
    {
        m_fields = aFields;     // vector copying, length is changed possibly
    }

    wxString GetName() const { return m_fields[ SHEETNAME ].GetText(); }

    SCH_SCREEN* GetScreen() const { return m_screen; }

    wxSize GetSize() const { return m_size; }
    void SetSize( const wxSize& aSize ) { m_size = aSize; }

    int GetBorderWidth() const { return m_borderWidth; }
    void SetBorderWidth( int aWidth ) { m_borderWidth = aWidth; }

    KIGFX::COLOR4D GetBorderColor() const { return m_borderColor; }
    void SetBorderColor( KIGFX::COLOR4D aColor ) { m_borderColor = aColor; }

    KIGFX::COLOR4D GetBackgroundColor() const { return m_backgroundColor; }
    void SetBackgroundColor( KIGFX::COLOR4D aColor ) { m_backgroundColor = aColor; }

    bool UsesDefaultStroke() const;

    bool IsRootSheet() const;

    void SetScreen( SCH_SCREEN* aScreen );

    int GetScreenCount() const;

    void GetContextualTextVars( wxArrayString* aVars ) const;

    bool ResolveTextVar( wxString* token, int aDepth = 0 ) const;

    void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;

    /* there is no member for orientation in sch_sheet, to preserve file
     * format, we detect orientation based on pin edges
     */
    bool IsVerticalOrientation() const;

    void AddPin( SCH_SHEET_PIN* aSheetPin );

    std::vector<SCH_SHEET_PIN*>& GetPins() { return m_pins; }

    const std::vector<SCH_SHEET_PIN*>& GetPins() const
    {
        return m_pins;
    }

    void RemovePin( const SCH_SHEET_PIN* aSheetPin );

    void CleanupSheet();

    SCH_SHEET_PIN* GetPin( const wxPoint& aPosition );

    bool HasPin( const wxString& aName ) const;

    bool HasPins() const { return !m_pins.empty(); }

    bool HasUndefinedPins() const;

    int GetMinWidth( bool aFromLeft ) const;

    int GetMinHeight( bool aFromTop ) const;

    int GetPenWidth() const override;

    void Print( const RENDER_SETTINGS* aSettings, const wxPoint& aOffset ) override;

    const EDA_RECT GetBodyBoundingBox() const;

    const EDA_RECT GetBoundingBox() const override;

    wxPoint GetRotationCenter() const;

    void SwapData( SCH_ITEM* aItem ) override;

    int SymbolCount() const;

    bool SearchHierarchy( const wxString& aFilename, SCH_SCREEN** aScreen );

    bool LocatePathOfScreen( SCH_SCREEN* aScreen, SCH_SHEET_PATH* aList );

    int CountSheets() const;

    wxString GetFileName() const
    {
        return m_fields[ SHEETFILENAME ].GetText();
    }

    // Set a new filename without changing anything else
    void SetFileName( const wxString& aFilename )
    {
        // Filenames are stored using unix notation
        wxString tmp = aFilename;
        tmp.Replace( wxT( "\\" ), wxT( "/" ) );
        m_fields[ SHEETFILENAME ].SetText( tmp );
    }

    // Geometric transforms (used in block operations):

    void Move( const wxPoint& aMoveVector ) override;
    void MirrorHorizontally( int aCenter ) override;
    void MirrorVertically( int aCenter ) override;
    void Rotate( const wxPoint& aCenter ) override;

    bool Matches( const wxFindReplaceData& aSearchData, void* aAuxData ) const override;

    bool IsReplaceable() const override { return true; }

    void Resize( const wxSize& aSize );

    void AutoplaceFields( SCH_SCREEN* aScreen, bool aManual ) override;

    void GetEndPoints( std::vector <DANGLING_END_ITEM>& aItemList ) override;

    bool UpdateDanglingState( std::vector<DANGLING_END_ITEM>& aItemList,
                              const SCH_SHEET_PATH* aPath = nullptr ) override;

    bool IsConnectable() const override { return true; }

    bool CanConnect( const SCH_ITEM* aItem ) const override
    {
        return ( aItem->Type() == SCH_LINE_T && aItem->GetLayer() == LAYER_WIRE )
                || ( aItem->Type() == SCH_LINE_T && aItem->GetLayer() == LAYER_BUS )
                || ( aItem->Type() == SCH_NO_CONNECT_T )
                || ( aItem->Type() == SCH_SYMBOL_T );
    }

    std::vector<wxPoint> GetConnectionPoints() const override;

    SEARCH_RESULT Visit( INSPECTOR inspector, void* testData, const KICAD_T scanTypes[] ) override;

    void RunOnChildren( const std::function<void( SCH_ITEM* )>& aFunction ) override;

    wxString GetSelectMenuText( EDA_UNITS aUnits ) const override;

    BITMAPS GetMenuImage() const override;

    SCH_SHEET& operator=( const SCH_ITEM& aSheet );

    bool operator <( const SCH_ITEM& aItem ) const override;

    void ViewGetLayers( int aLayers[], int& aCount ) const override;

    wxPoint GetPosition() const override { return m_pos; }
    void SetPosition( const wxPoint& aPosition ) override;

    bool HitTest( const wxPoint& aPosition, int aAccuracy ) const override;
    bool HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy = 0 ) const override;

    void Plot( PLOTTER* aPlotter ) const override;

    EDA_ITEM* Clone() const override;

    const std::vector<SCH_SHEET_INSTANCE> GetInstances() const;

    bool AddInstance( const KIID_PATH& aInstance );

    wxString GetPageNumber( const SCH_SHEET_PATH& aInstance ) const;

    void SetPageNumber( const SCH_SHEET_PATH& aInstance, const wxString& aPageNumber );

    static int ComparePageNum( const wxString& aPageNumberA, const wxString& aPageNumberB );

#if defined(DEBUG)
    void Show( int nestLevel, std::ostream& os ) const override;
#endif

    static const wxString GetDefaultFieldName( int aFieldNdx );

protected:
    void renumberPins();

private:
    bool doIsConnected( const wxPoint& aPosition ) const override;

    friend class SCH_SHEET_PIN;

    SCH_SCREEN*   m_screen;     // Screen that contains the physical data for the sheet.  In
                                // complex hierarchies multiple sheets can share a common screen.

    std::vector<SCH_SHEET_PIN*> m_pins;               // The list of sheet connection points.
    std::vector<SCH_FIELD>      m_fields;

    wxPoint                     m_pos;                // The position of the sheet.
    wxSize                      m_size;               // The size of the sheet.
    int                         m_borderWidth;
    KIGFX::COLOR4D              m_borderColor;
    KIGFX::COLOR4D              m_backgroundColor;

    std::vector<SCH_SHEET_INSTANCE> m_instances;
};


#endif // SCH_SHEEET_H