kicad/eeschema/highlight_connection.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 1992-2016 KiCad Developers, see AUTHORS.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
*/
/**
* @file highlight_connection.cpp
* @brief This file contains basic functions related to the command to
* highlight a connection (wires and labels) in a schematic
* (that can be a simple or a complex hierarchy)
*/
#include <fctsys.h>
#include <class_drawpanel.h>
#include <schframe.h>
#include <erc.h>
#include <class_netlist_object.h>
bool SCH_EDIT_FRAME::HighlightConnectionAtPosition( wxPoint aPosition )
{
m_SelectedNetName = "";
bool buildNetlistOk = false;
// find which connected item is selected
EDA_ITEMS nodeList;
wxPoint gridPosition = GetGridPosition( aPosition );
if( GetScreen()->GetNode( gridPosition,nodeList ) )
{
if( TestDuplicateSheetNames( false ) > 0 )
wxMessageBox( _( "Error: duplicate sub-sheet names found in current sheet. Fix it" ) );
else
{
// Build netlist info to get the proper netnames of connected items
std::unique_ptr<NETLIST_OBJECT_LIST> objectsConnectedList( BuildNetListBase() );
buildNetlistOk = true;
for( auto obj : *objectsConnectedList )
{
if( obj->m_SheetPath == *m_CurrentSheet && obj->m_Comp == nodeList[0] )
{
m_SelectedNetName = obj->GetNetName( true );
break;
}
}
}
}
SetStatusText( "selected net: " + m_SelectedNetName );
SetCurrentSheetHighlightFlags();
m_canvas->Refresh();
return buildNetlistOk;
}
bool SCH_EDIT_FRAME::SetCurrentSheetHighlightFlags()
{
SCH_SCREEN* screen = m_CurrentSheet->LastScreen();
// Disable highlight flag on all items in the current screen
for( SCH_ITEM* ptr = screen->GetDrawItems(); ptr; ptr = ptr->Next() )
{
ptr->SetState( BRIGHTENED, false );
if( ptr->Type() == SCH_SHEET_T )
{
for( SCH_SHEET_PIN& pin : static_cast<SCH_SHEET*>( ptr )->GetPins() )
pin.SetState( BRIGHTENED, false );
}
}
if( m_SelectedNetName == "" )
return true;
if( TestDuplicateSheetNames( false ) > 0 )
return false;
// Build netlist info to get the proper netnames
std::unique_ptr<NETLIST_OBJECT_LIST> objectsConnectedList( BuildNetListBase( false ) );
// highlight the items belonging to this net
for( auto obj1 : *objectsConnectedList )
{
if( obj1->m_SheetPath == *m_CurrentSheet &&
obj1->GetNetName( true ) == m_SelectedNetName && obj1->m_Comp )
{
obj1->m_Comp->SetState( BRIGHTENED, true );
//if a bus is associated with this net highlight it as well
if( obj1->m_BusNetCode )
{
for( auto obj2 : *objectsConnectedList )
{
if( obj2 && obj2->m_Comp && obj2->m_SheetPath == *m_CurrentSheet &&
obj1->m_BusNetCode == obj2->m_BusNetCode )
obj2->m_Comp->SetState( BRIGHTENED, true );
}
}
}
}
return true;
}