kicad/include/tool/selection.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2013-2017 CERN
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* Copyright (C) 2021-2022 KiCad Developers, see AUTHORS.txt for contributors.
* @author Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
* @author Maciej Suminski <maciej.suminski@cern.ch>
*
* 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 SELECTION_H
#define SELECTION_H
#include <optional>
#include <core/typeinfo.h>
#include <deque>
#include <eda_item.h>
#include <view/view_group.h>
class SELECTION : public KIGFX::VIEW_GROUP
{
public:
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SELECTION() :
KIGFX::VIEW_GROUP::VIEW_GROUP()
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{
m_isHover = false;
m_lastAddedItem = nullptr;
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m_orderCounter = 0;
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}
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SELECTION( const SELECTION& aOther ) :
KIGFX::VIEW_GROUP::VIEW_GROUP()
{
m_items = aOther.m_items;
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m_itemsOrders = aOther.m_itemsOrders;
m_isHover = aOther.m_isHover;
m_lastAddedItem = aOther.m_lastAddedItem;
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m_orderCounter = aOther.m_orderCounter;
}
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SELECTION& operator= ( const SELECTION& aOther )
{
m_items = aOther.m_items;
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m_itemsOrders = aOther.m_itemsOrders;
m_isHover = aOther.m_isHover;
m_lastAddedItem = aOther.m_lastAddedItem;
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m_orderCounter = aOther.m_orderCounter;
return *this;
}
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bool operator==( const SELECTION& aOther ) const;
using ITER = std::deque<EDA_ITEM*>::iterator;
using CITER = std::deque<EDA_ITEM*>::const_iterator;
ITER begin() { return m_items.begin(); }
ITER end() { return m_items.end(); }
CITER begin() const { return m_items.cbegin(); }
CITER end() const { return m_items.cend(); }
void SetIsHover( bool aIsHover )
{
m_isHover = aIsHover;
}
bool IsHover() const
{
return m_isHover;
}
virtual void Add( EDA_ITEM* aItem );
virtual void Remove( EDA_ITEM *aItem );
virtual void Clear() override
{
m_items.clear();
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m_itemsOrders.clear();
m_orderCounter = 0;
}
virtual unsigned int GetSize() const override
{
return m_items.size();
}
virtual KIGFX::VIEW_ITEM* GetItem( unsigned int aIdx ) const override;
bool Contains( EDA_ITEM* aItem ) const;
/// Checks if there is anything selected
bool Empty() const
{
return m_items.empty();
}
/// Returns the number of selected parts
int Size() const
{
return m_items.size();
}
const std::deque<EDA_ITEM*> GetItems() const
{
return m_items;
}
EDA_ITEM* GetLastAddedItem() const
{
return m_lastAddedItem;
}
/**
* Returns a copy of this selection of items sorted by their X then Y position.
*
* @return Vector of sorted items
*/
const std::vector<EDA_ITEM*> GetItemsSortedByTypeAndXY( bool leftBeforeRight = true,
bool topBeforeBottom = true ) const
{
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std::vector<EDA_ITEM*> sorted_items = std::vector<EDA_ITEM*>( m_items.begin(),
m_items.end() );
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std::sort( sorted_items.begin(), sorted_items.end(),
[&]( EDA_ITEM* a, EDA_ITEM* b )
{
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if( a->Type() == b->Type() )
{
if( a->GetSortPosition().x == b->GetSortPosition().x )
{
// Ensure deterministic sort
if( a->GetSortPosition().y == b->GetSortPosition().y )
return a->m_Uuid < b->m_Uuid;
if( topBeforeBottom )
return a->GetSortPosition().y < b->GetSortPosition().y;
else
return a->GetSortPosition().y > b->GetSortPosition().y;
}
else if( leftBeforeRight )
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{
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return a->GetSortPosition().x < b->GetSortPosition().x;
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}
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else
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{
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return a->GetSortPosition().x > b->GetSortPosition().x;
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}
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}
else
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{
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return a->Type() < b->Type();
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}
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} );
return sorted_items;
}
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const std::vector<EDA_ITEM*> GetItemsSortedBySelectionOrder() const;
/// Returns the center point of the selection area bounding box.
virtual VECTOR2I GetCenter() const;
virtual const BOX2I ViewBBox() const override
{
BOX2I r;
r.SetMaximum();
return r;
}
/// Returns the top left point of the selection area bounding box.
VECTOR2I GetPosition() const
{
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return GetBoundingBox().GetPosition();
}
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virtual BOX2I GetBoundingBox() const;
virtual EDA_ITEM* GetTopLeftItem( bool onlyModules = false ) const
{
return nullptr;
}
EDA_ITEM* operator[]( const size_t aIdx ) const
{
if( aIdx < m_items.size() )
return m_items[ aIdx ];
return nullptr;
}
EDA_ITEM* Front() const
{
return m_items.size() ? m_items.front() : nullptr;
}
std::deque<EDA_ITEM*>& Items()
{
return m_items;
}
const std::deque<EDA_ITEM*>& Items() const
{
return m_items;
}
template<class T>
T* FirstOfKind() const
{
for( auto item : m_items )
{
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if( IsA<T, EDA_ITEM>( item ) )
return static_cast<T*> ( item );
}
return nullptr;
}
/**
* Checks if there is at least one item of requested kind.
*
* @param aType is the type to check for.
* @return True if there is at least one item of such kind.
*/
bool HasType( KICAD_T aType ) const;
size_t CountType( KICAD_T aType ) const;
virtual const std::vector<KIGFX::VIEW_ITEM*> updateDrawList() const override;
bool HasReferencePoint() const
{
return m_referencePoint != std::nullopt;
}
VECTOR2I GetReferencePoint() const
{
if( m_referencePoint )
return *m_referencePoint;
else
return GetBoundingBox().Centre();
}
void SetReferencePoint( const VECTOR2I& aP )
{
m_referencePoint = aP;
}
void ClearReferencePoint()
{
m_referencePoint = std::nullopt;
}
/**
* Checks if all items in the selection are the same KICAD_T type
*
* @return True if all items are the same type, this includes zero or single items
*/
bool AreAllItemsIdentical() const;
/**
* Checks if all items in the selection have a type in aList
* @return False if any item in the selection has a type not included in aList
*/
bool OnlyContains( std::vector<KICAD_T> aList ) const;
protected:
std::optional<VECTOR2I> m_referencePoint;
std::deque<EDA_ITEM*> m_items;
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std::deque<int> m_itemsOrders;
int m_orderCounter;
EDA_ITEM* m_lastAddedItem;
bool m_isHover;
// mute hidden overloaded virtual function warnings
using VIEW_GROUP::Add;
using VIEW_GROUP::Remove;
};
#endif