eda_item.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2013-2015 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright (C) 2008-2015 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
 * Copyright (C) 2008 Wayne Stambaugh <stambaughw@gmail.com>
 * Copyright (C) 2004-2020 KiCad Developers, see change_log.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 EDA_ITEM_H
#define EDA_ITEM_H

#include <deque>

#include <core/typeinfo.h>
#include <wx/fdrepdlg.h>
#include <bitmap_types.h>
#include <view/view_item.h>
#include <kiid.h>



enum class SEARCH_RESULT
{
    QUIT,
    CONTINUE
};


enum FIND_REPLACE_FLAGS
{
    // The last wxFindReplaceFlag enum is wxFR_MATCHCASE = 0x4.
    FR_CURRENT_SHEET_ONLY = wxFR_MATCHCASE << 1,   // Search the current sheet only.
    FR_SEARCH_ALL_FIELDS  = wxFR_MATCHCASE << 2,   // Search hidden fields too.
    FR_SEARCH_ALL_PINS    = wxFR_MATCHCASE << 3,   // Search pin name and number.
    FR_MATCH_WILDCARD     = wxFR_MATCHCASE << 4,   // Use simple wild card matching (* & ?).
    FR_SEARCH_WRAP        = wxFR_MATCHCASE << 5,   // Wrap around the start or end of search.
    FR_SEARCH_REPLACE     = wxFR_MATCHCASE << 7,   // Search for a item that has replaceable text.
    FR_REPLACE_ITEM_FOUND = wxFR_MATCHCASE << 8,   // Indicates an item with replaceable text has
                                                   // been found.
    FR_REPLACE_REFERENCES = wxFR_MATCHCASE << 9    // Don't replace in references.
};


class wxFindReplaceData;
class EDA_ITEM;
class EDA_DRAW_FRAME;
class EDA_RECT;
class MSG_PANEL_ITEM;


typedef std::function< SEARCH_RESULT ( EDA_ITEM* aItem, void* aTestData ) > INSPECTOR_FUNC;

typedef const INSPECTOR_FUNC& INSPECTOR;


// These define are used for the .m_flags and .m_UndoRedoStatus member of the
// class EDA_ITEM
//
// NB: DO NOT ADD FLAGS ANYWHERE BUT AT THE END: THE FLAG-SET IS STORED AS AN INTEGER IN FILES.
//
#define IS_CHANGED     (1 << 0)    
#define IS_LINKED      (1 << 1)    
#define IN_EDIT        (1 << 2)    
#define IS_MOVED       (1 << 3)    
#define IS_NEW         (1 << 4)    
#define IS_RESIZED     (1 << 5)    
#define IS_DRAGGED     (1 << 6)    
#define IS_DELETED     (1 << 7)
#define IS_WIRE_IMAGE  (1 << 8)    
#define STARTPOINT     (1 << 9)    
#define ENDPOINT       (1 << 10)   
#define SELECTED       (1 << 11)
#define TEMP_SELECTED  (1 << 12)   
#define STRUCT_DELETED (1 << 13)   
#define CANDIDATE      (1 << 14)   
#define SKIP_STRUCT    (1 << 15)   
#define DO_NOT_DRAW    (1 << 16)   
#define IS_PASTED      (1 << 17)   
#define LOCKED         (1 << 18)   
#define UNUSED         (1 << 19)
#define MALFORMED_F_COURTYARD (1 << 20)
#define MALFORMED_B_COURTYARD (1 << 21)
#define MALFORMED_COURTYARDS ( MALFORMED_F_COURTYARD | MALFORMED_B_COURTYARD )
#define BEGIN_ONPAD    (1 << 22)   
#define END_ONPAD      (1 << 23)   
#define HOLE_PROXY     (1 << 24)   
#define IS_ROLLOVER    (1 << 25)   
#define BRIGHTENED     (1 << 26)   

#define DP_COUPLED     (1 << 27)   
#define UR_TRANSIENT   (1 << 28)   

#define IS_DANGLING    (1 << 29)   
#define ENTERED        (1 << 30)   

// WARNING: if you add flags, you'll probably need to adjust the masks in GetEditFlags() and
// ClearTempFlags().

#define EDA_ITEM_ALL_FLAGS -1

typedef unsigned STATUS_FLAGS;

class EDA_ITEM : public KIGFX::VIEW_ITEM
{
public:
    virtual ~EDA_ITEM() { };

    inline KICAD_T Type() const { return m_structType; }

    EDA_ITEM* GetParent() const { return m_parent; }
    virtual void SetParent( EDA_ITEM* aParent )   { m_parent = aParent; }

    inline bool IsModified() const { return m_flags & IS_CHANGED; }
    inline bool IsNew() const { return m_flags & IS_NEW; }
    inline bool IsMoving() const { return m_flags & IS_MOVED; }
    inline bool IsDragging() const { return m_flags & IS_DRAGGED; }
    inline bool IsWireImage() const { return m_flags & IS_WIRE_IMAGE; }
    inline bool IsSelected() const { return m_flags & SELECTED; }
    inline bool IsEntered() const { return m_flags & ENTERED; }
    inline bool IsResized() const { return m_flags & IS_RESIZED; }
    inline bool IsBrightened() const { return m_flags & BRIGHTENED; }

    inline void SetWireImage() { SetFlags( IS_WIRE_IMAGE ); }
    inline void SetSelected() { SetFlags( SELECTED ); }
    inline void SetBrightened() { SetFlags( BRIGHTENED ); }

    inline void ClearSelected() { ClearFlags( SELECTED ); }
    inline void ClearBrightened() { ClearFlags( BRIGHTENED ); }

    void SetModified();

    int GetState( int type ) const
    {
        return m_status & type;
    }

    void SetState( int type, int state )
    {
        if( state )
            m_status |= type; // state = ON or OFF
        else
            m_status &= ~type;
    }

    STATUS_FLAGS GetStatus() const           { return m_status; }
    void SetStatus( STATUS_FLAGS aStatus )   { m_status = aStatus; }

    void SetFlags( STATUS_FLAGS aMask ) { m_flags |= aMask; }
    void ClearFlags( STATUS_FLAGS aMask = EDA_ITEM_ALL_FLAGS ) { m_flags &= ~aMask; }
    STATUS_FLAGS GetFlags() const { return m_flags; }
    bool HasFlag( STATUS_FLAGS aFlag ) const { return ( m_flags & aFlag ) == aFlag; }

    STATUS_FLAGS GetEditFlags() const
    {
        constexpr int mask = ( IS_NEW | IS_PASTED | IS_MOVED | IS_RESIZED | IS_DRAGGED |
                               IS_WIRE_IMAGE | STRUCT_DELETED );

        return m_flags & mask;
    }

    void ClearTempFlags()
    {
        ClearFlags( STARTPOINT | ENDPOINT | CANDIDATE | TEMP_SELECTED | IS_LINKED | SKIP_STRUCT |
                    DO_NOT_DRAW );
    }

    void ClearEditFlags()
    {
        ClearFlags( GetEditFlags() );
    }

    virtual bool IsType( const KICAD_T aScanTypes[] ) const
    {
        if( aScanTypes[0] == SCH_LOCATE_ANY_T )
            return true;

        for( const KICAD_T* p = aScanTypes; *p != EOT; ++p )
        {
            if( m_structType == *p )
                return true;
        }

        return false;
    }

    void SetForceVisible( bool aEnable ) { m_forceVisible = aEnable; }

    bool IsForceVisible() const { return m_forceVisible; }

    virtual void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList )
    {
    }

    virtual bool HitTest( const wxPoint& aPosition, int aAccuracy = 0 ) const
    {
        return false;   // derived classes should override this function
    }

    virtual bool HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy = 0 ) const
    {
        return false;   // derived classes should override this function
    }

    virtual const EDA_RECT GetBoundingBox() const;

    virtual wxPoint GetPosition() const { return wxPoint(); }
    virtual void SetPosition( const wxPoint& aPos ) {};

    virtual const wxPoint GetFocusPosition() const { return GetPosition(); }

    virtual EDA_ITEM* Clone() const; // should not be inline, to save the ~ 6 bytes per call site.

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

    template< class T >
    static SEARCH_RESULT IterateForward( std::deque<T>&  aList,
                                         INSPECTOR       inspector,
                                         void*           testData,
                                         const KICAD_T   scanTypes[] )
    {
        for( auto it : aList )
        {
            if( static_cast<EDA_ITEM*>( it )->Visit( inspector, testData, scanTypes )
                    == SEARCH_RESULT::QUIT )
                return SEARCH_RESULT::QUIT;
        }

        return SEARCH_RESULT::CONTINUE;
    }

    template <class T>
    static SEARCH_RESULT IterateForward(
            std::vector<T>& aList, INSPECTOR inspector, void* testData, const KICAD_T scanTypes[] )
    {
        for( auto it : aList )
        {
            if( static_cast<EDA_ITEM*>( it )->Visit( inspector, testData, scanTypes )
                    == SEARCH_RESULT::QUIT )
                return SEARCH_RESULT::QUIT;
        }

        return SEARCH_RESULT::CONTINUE;
    }

    virtual wxString GetClass() const = 0;

    virtual wxString GetSelectMenuText( EDA_UNITS aUnits ) const;

    virtual BITMAP_DEF GetMenuImage() const;

    virtual bool Matches( const wxFindReplaceData& aSearchData, void* aAuxData ) const
    {
        return false;
    }

    static bool Replace( const wxFindReplaceData& aSearchData, wxString& aText );

    virtual bool Replace( const wxFindReplaceData& aSearchData, void* aAuxData = nullptr )
    {
        return false;
    }

    virtual bool IsReplaceable() const { return false; }

    bool operator<( const EDA_ITEM& aItem ) const;

    static bool Sort( const EDA_ITEM* aLeft, const EDA_ITEM* aRight ) { return *aLeft < *aRight; }

    EDA_ITEM& operator=( const EDA_ITEM& aItem );

    virtual const BOX2I ViewBBox() const override;

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

#if defined(DEBUG)

    virtual void Show( int nestLevel, std::ostream& os ) const = 0;

    void ShowDummy( std::ostream& os ) const;  

    static std::ostream& NestedSpace( int nestLevel, std::ostream& os );

#endif

protected:
    EDA_ITEM( EDA_ITEM* parent, KICAD_T idType );
    EDA_ITEM( KICAD_T idType );
    EDA_ITEM( const EDA_ITEM& base );

    bool Matches( const wxString& aText, const wxFindReplaceData& aSearchData ) const;

public:
    const KIID  m_Uuid;

protected:
    STATUS_FLAGS  m_status;
    EDA_ITEM*     m_parent;       
    bool          m_forceVisible;
    STATUS_FLAGS  m_flags;

private:
    KICAD_T       m_structType;
};


inline EDA_ITEM* new_clone( const EDA_ITEM& aItem ) { return aItem.Clone(); }


typedef std::vector< EDA_ITEM* > EDA_ITEMS;

#endif // EDA_ITEM_H