KiCad PCB EDA Suite
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pl_selection.cpp
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1/*
2 * This program source code file is part of KiCad, a free EDA CAD application.
3 *
4 * Copyright (C) 2019 CERN
5 * Copyright (C) 2019-2022 KiCad Developers, see AUTHORS.TXT for contributors.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, you may find one here:
19 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
20 * or you may search the http://www.gnu.org website for the version 2 license,
21 * or you may write to the Free Software Foundation, Inc.,
22 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
23 */
24
25#include <eda_item.h>
26#include <tools/pl_selection.h>
27
28
29EDA_ITEM* PL_SELECTION::GetTopLeftItem( bool onlyModules ) const
30{
31 EDA_ITEM* topLeftItem = nullptr;
32 BOX2I topLeftItemBB;
33
34 // find the leftmost (smallest x coord) and highest (smallest y with the smallest x) item in the selection
35 for( EDA_ITEM* item : m_items )
36 {
37 BOX2I currentItemBB = item->GetBoundingBox();
38
39 if( topLeftItem == nullptr )
40 {
41 topLeftItem = item;
42 topLeftItemBB = currentItemBB;
43 }
44 else if( currentItemBB.GetLeft() < topLeftItemBB.GetLeft() )
45 {
46 topLeftItem = item;
47 topLeftItemBB = currentItemBB;
48 }
49 else if( topLeftItemBB.GetLeft() == currentItemBB.GetLeft()
50 && currentItemBB.GetTop() < topLeftItemBB.GetTop() )
51 {
52 topLeftItem = item;
53 topLeftItemBB = currentItemBB;
54 }
55 }
56
57 return topLeftItem;
58}
59
coord_type GetTop() const
Definition: box2.h:195
coord_type GetLeft() const
Definition: box2.h:194
A base class for most all the KiCad significant classes used in schematics and boards.
Definition: eda_item.h:85
EDA_ITEM * GetTopLeftItem(bool onlyModules=false) const override
std::deque< EDA_ITEM * > m_items
Definition: selection.h:285