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 <[email protected]>
 * Copyright (C) 2008 Wayne Stambaugh <[email protected]>
 * Copyright (C) 2004-2022 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 <eda_item_flags.h>
#include <eda_search_data.h>
#include <view/view_item.h>
#include <kiid.h>
 
enum class BITMAPS : unsigned int;
 
 
enum class INSPECT_RESULT
{
 QUIT,
 CONTINUE
};
 
 
class UNITS_PROVIDER;
class EDA_DRAW_FRAME;
class MSG_PANEL_ITEM;
 
 
typedef std::function< INSPECT_RESULT ( EDA_ITEM* aItem, void* aTestData ) > INSPECTOR_FUNC;
 
typedef const INSPECTOR_FUNC& INSPECTOR;
 
 
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_MOVING; }
 
 inline bool IsSelected() const { return m_flags & SELECTED; }
 inline bool IsEntered() const { return m_flags & ENTERED; }
 inline bool IsBrightened() const { return m_flags & BRIGHTENED; }
 
 inline bool IsRollover() const
 {
 return ( m_flags & ( IS_ROLLOVER | IS_MOVING ) ) == IS_ROLLOVER;
 }
 
 inline void SetSelected() { SetFlags( SELECTED ); }
 inline void SetBrightened() { SetFlags( BRIGHTENED ); }
 
 inline void ClearSelected() { ClearFlags( SELECTED ); }
 inline void ClearBrightened() { ClearFlags( BRIGHTENED ); }
 
 void SetModified();
 
 void SetFlags( EDA_ITEM_FLAGS aMask ) { m_flags |= aMask; }
 void XorFlags( EDA_ITEM_FLAGS aMask ) { m_flags ^= aMask; }
 void ClearFlags( EDA_ITEM_FLAGS aMask = EDA_ITEM_ALL_FLAGS ) { m_flags &= ~aMask; }
 EDA_ITEM_FLAGS GetFlags() const { return m_flags; }
 bool HasFlag( EDA_ITEM_FLAGS aFlag ) const { return ( m_flags & aFlag ) == aFlag; }
 
 EDA_ITEM_FLAGS GetEditFlags() const
 {
 constexpr int mask =
 ( IS_NEW | IS_PASTED | IS_MOVING | IS_BROKEN | IS_CHANGED | STRUCT_DELETED );
 
 return m_flags & mask;
 }
 
 void ClearEditFlags()
 {
 ClearFlags( GetEditFlags() );
 }
 
 EDA_ITEM_FLAGS GetTempFlags() const
 {
 constexpr int mask = ( CANDIDATE | SELECTED_BY_DRAG | IS_LINKED | SKIP_STRUCT );
 
 return m_flags & mask;
 }
 
 void ClearTempFlags()
 {
 ClearFlags( GetTempFlags() );
 }
 
 virtual bool RenderAsBitmap( double aWorldScale ) const { return false; }
 
 void SetIsShownAsBitmap( bool aBitmap )
 {
 if( aBitmap )
 SetFlags( IS_SHOWN_AS_BITMAP );
 else
 ClearFlags( IS_SHOWN_AS_BITMAP );
 }
 
 inline bool IsShownAsBitmap() const { return m_flags & IS_SHOWN_AS_BITMAP; }
 
 virtual bool IsType( const std::vector<KICAD_T>& aScanTypes ) const
 {
 for( KICAD_T scanType : aScanTypes )
 {
 if( scanType == SCH_LOCATE_ANY_T || scanType == m_structType )
 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 wxString GetFriendlyName() const;
 
 virtual bool HitTest( const VECTOR2I& aPosition, int aAccuracy = 0 ) const
 {
 return false; // derived classes should override this function
 }
 
 virtual bool HitTest( const BOX2I& aRect, bool aContained, int aAccuracy = 0 ) const
 {
 return false; // derived classes should override this function
 }
 
 virtual const BOX2I GetBoundingBox() const;
 
 virtual VECTOR2I GetPosition() const { return VECTOR2I(); }
 virtual void SetPosition( const VECTOR2I& aPos ){};
 
 virtual const VECTOR2I GetFocusPosition() const { return GetPosition(); }
 
 virtual VECTOR2I GetSortPosition() const { return GetPosition(); }
 
 virtual EDA_ITEM* Clone() const;
 
 virtual INSPECT_RESULT Visit( INSPECTOR inspector, void* testData,
 const std::vector<KICAD_T>& aScanTypes );
 
 template< class T >
 static INSPECT_RESULT IterateForward( std::deque<T>& aList, INSPECTOR inspector, void* testData,
 const std::vector<KICAD_T>& scanTypes )
 {
 for( const auto& it : aList )
 {
 if( static_cast<EDA_ITEM*>( it )->Visit( inspector,
 testData,
 scanTypes ) == INSPECT_RESULT::QUIT )
 {
 return INSPECT_RESULT::QUIT;
 }
 }
 
 return INSPECT_RESULT::CONTINUE;
 }
 
 template <class T>
 static INSPECT_RESULT IterateForward( std::vector<T>& aList, INSPECTOR inspector,
 void* testData, const std::vector<KICAD_T>& scanTypes )
 {
 for( const auto& it : aList )
 {
 if( static_cast<EDA_ITEM*>( it )->Visit( inspector,
 testData,
 scanTypes ) == INSPECT_RESULT::QUIT )
 {
 return INSPECT_RESULT::QUIT;
 }
 }
 
 return INSPECT_RESULT::CONTINUE;
 }
 
 virtual wxString GetClass() const = 0;
 
 wxString GetTypeDesc() const;
 
 virtual wxString GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const;
 
 virtual BITMAPS GetMenuImage() const;
 
 virtual bool Matches( const EDA_SEARCH_DATA& aSearchData, void* aAuxData ) const
 {
 return false;
 }
 
 static bool Replace( const EDA_SEARCH_DATA& aSearchData, wxString& aText );
 
 virtual bool Replace( const EDA_SEARCH_DATA& 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 EDA_SEARCH_DATA& aSearchData ) const;
 
public:
 const KIID m_Uuid;
 
protected:
 EDA_ITEM* m_parent; 
 bool m_forceVisible;
 EDA_ITEM_FLAGS m_flags;
 
private:
 KICAD_T m_structType;
};
 
 
inline EDA_ITEM* new_clone( const EDA_ITEM& aItem ) { return aItem.Clone(); }
 
struct CompareByUuid
{
 bool operator()(const EDA_ITEM* item1, const EDA_ITEM* item2) const
 {
 assert( item1 != nullptr && item2 != nullptr );
 
 if( item1->m_Uuid == item2->m_Uuid )
 return item1 < item2;
 
 return item1->m_Uuid < item2->m_Uuid;
 }
};
 
 
typedef std::vector< EDA_ITEM* > EDA_ITEMS;
 
typedef std::set< EDA_ITEM*, CompareByUuid > EDA_ITEM_SET;
 
#endif // EDA_ITEM_H