kicad/common/tool/selection.cpp

140 lines
3.6 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2013-2017 CERN
* @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
*/
#include <algorithm>
#include <eda_item.h>
#include <tool/selection.h>
void SELECTION::Add( EDA_ITEM* aItem )
{
// We're not sorting here; this is just a time-optimized way to do an
// inclusion check. std::lower_bound will return the first i >= aItem
// and the second i > aItem check rules out i == aItem.
ITER i = std::lower_bound( m_items.begin(), m_items.end(), aItem );
if( i == m_items.end() || *i > aItem )
m_items.insert( i, aItem );
}
void SELECTION::Remove( EDA_ITEM* aItem )
{
ITER i = std::lower_bound( m_items.begin(), m_items.end(), aItem );
if( !( i == m_items.end() || *i > aItem ) )
m_items.erase( i );
}
KIGFX::VIEW_ITEM* SELECTION::GetItem( unsigned int aIdx ) const
{
if( aIdx < m_items.size() )
return m_items[aIdx];
return nullptr;
}
bool SELECTION::Contains( EDA_ITEM* aItem ) const
{
CITER i = std::lower_bound( m_items.begin(), m_items.end(), aItem );
return !( i == m_items.end() || *i > aItem );
}
/// Returns the center point of the selection area bounding box.
VECTOR2I SELECTION::GetCenter() const
{
KICAD_T labelTypes[] = { SCH_LABEL_T, SCH_GLOBAL_LABEL_T, SCH_HIER_LABEL_T, EOT };
bool includeLabels = true;
// If the selection contains at least one non-label then don't include labels when
// calculating the centerpoint.
for( EDA_ITEM* item : m_items )
{
if( !item->IsType( labelTypes ) )
{
includeLabels = false;
break;
}
}
EDA_RECT bbox;
for( EDA_ITEM* item : m_items )
{
if( !item->IsType( labelTypes ) || includeLabels )
bbox.Merge( item->GetBoundingBox() );
}
return static_cast<VECTOR2I>( bbox.Centre() );
}
EDA_RECT SELECTION::GetBoundingBox() const
{
EDA_RECT bbox;
for( EDA_ITEM* item : m_items )
bbox.Merge( item->GetBoundingBox() );
return bbox;
}
bool SELECTION::HasType( KICAD_T aType ) const
{
for( auto item : m_items )
{
if( item->Type() == aType )
return true;
}
return false;
}
const KIGFX::VIEW_GROUP::ITEMS SELECTION::updateDrawList() const
{
std::vector<VIEW_ITEM*> items;
for( auto item : m_items )
items.push_back( item );
return items;
}
bool SELECTION::AreAllItemsIdentical() const
{
return ( std::all_of( m_items.begin() + 1, m_items.end(),
[&]( const EDA_ITEM* r )
{
return r->Type() == m_items.front()->Type();
} ) );
}