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Prevent invalidating iterators 

When iterating over RTree, we cannot modify the RTree without
invalidating our iterators, so we use a temporary structure to hold the
schematic items

Fixes https://gitlab.com/kicad/code/kicad/issues/7228
This commit is contained in:
Seth Hillbrand 2021-01-23 13:39:57 -08:00
parent a28326fb26
commit b2cd1fddf9
1 changed files with 14 additions and 4 deletions
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18
eeschema/bus-wire-junction.cpp
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@ -2,7 +2,7 @@
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004 Jean-Pierre Charras, jean-pierre.charras@gipsa-lab.inpg.fr
* Copyright (C) 2004-2019 KiCad Developers, see change_log.txt for contributors.
* Copyright (C) 2004-2021 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
@ -83,16 +83,26 @@ bool SCH_EDIT_FRAME::TrimWire( const wxPoint& aStart, const wxPoint& aEnd )
SCH_SCREEN* screen = GetScreen();
bool retval = false;
std::vector<SCH_LINE*> wires;
EDA_RECT bb( aStart, wxSize( 1, 1 ) );
bb.Merge( aEnd );
if( aStart == aEnd )
return retval;
for( EDA_ITEM* item : screen->Items().OfType( SCH_LINE_T ) )
// We cannot modify the RTree while iterating, so push the possible
// wires into a separate structure.
for( EDA_ITEM* item : screen->Items().Overlapping( bb ) )
{
SCH_LINE* line = static_cast<SCH_LINE*>( item );
if( line->GetLayer() != LAYER_WIRE )
continue;
if( item->Type() == SCH_LINE_T && line->GetLayer() == LAYER_WIRE )
wires.push_back( line );
}
for( SCH_LINE* line : wires )
{
// Don't remove wires that are already deleted or are currently being dragged
if( line->GetEditFlags() & ( STRUCT_DELETED | IS_DRAGGED | IS_MOVED | SKIP_STRUCT ) )
continue;