kicad/pagelayout_editor/tools/pl_selection.cpp

61 lines
2.2 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2019 CERN
* Copyright (C) 2019 KiCad Developers, see CHANGELOG.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
*/
#include <tools/pl_selection.h>
#include <ws_draw_item.h>
EDA_ITEM* PL_SELECTION::GetTopLeftItem( bool onlyModules ) const
{
WS_DRAW_ITEM_BASE* topLeftItem = nullptr;
EDA_RECT topLeftItemBB;
// find the leftmost (smallest x coord) and highest (smallest y with the smallest x) item in the selection
for( auto item : m_items )
{
WS_DRAW_ITEM_BASE* currentItem = static_cast<WS_DRAW_ITEM_BASE*>( item );
EDA_RECT currentItemBB = currentItem->GetBoundingBox();
if( topLeftItem == nullptr )
{
topLeftItem = currentItem;
topLeftItemBB = currentItemBB;
}
else if( currentItemBB.GetLeft() < topLeftItemBB.GetLeft() )
{
topLeftItem = currentItem;
topLeftItemBB = currentItemBB;
}
else if( topLeftItemBB.GetLeft() == currentItemBB.GetLeft()
&& currentItemBB.GetTop() < topLeftItemBB.GetTop() )
{
topLeftItem = currentItem;
topLeftItemBB = currentItemBB;
}
}
return static_cast<EDA_ITEM*>( topLeftItem );
}