kicad/pcbnew/project_pcb.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2014-2022 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
*/
#include "project_pcb.h"
#include <fp_lib_table.h>
#include <project.h>
#include <confirm.h>
#include <pgm_base.h>
#include <3d_cache/3d_cache.h>
#include <paths.h>
#include <settings/common_settings.h>
#include <mutex>
static std::mutex mutex3D_cacheManager;
FP_LIB_TABLE* PROJECT_PCB::PcbFootprintLibs( PROJECT* aProject )
{
// This is a lazy loading function, it loads the project specific table when
// that table is asked for, not before.
FP_LIB_TABLE* tbl = (FP_LIB_TABLE*) aProject->GetElem( PROJECT::ELEM_FPTBL );
// its gotta be NULL or a FP_LIB_TABLE, or a bug.
wxASSERT( !tbl || tbl->Type() == FP_LIB_TABLE_T );
if( !tbl )
{
// Stack the project specific FP_LIB_TABLE overlay on top of the global table.
// ~FP_LIB_TABLE() will not touch the fallback table, so multiple projects may
// stack this way, all using the same global fallback table.
tbl = new FP_LIB_TABLE( &GFootprintTable );
aProject->SetElem( PROJECT::ELEM_FPTBL, tbl );
wxString projectFpLibTableFileName = aProject->FootprintLibTblName();
try
{
tbl->Load( projectFpLibTableFileName );
}
catch( const IO_ERROR& ioe )
{
DisplayErrorMessage( nullptr, _( "Error loading project footprint libraries." ),
ioe.What() );
}
catch( ... )
{
DisplayErrorMessage( nullptr, _( "Error loading project footprint library table." ) );
}
}
return tbl;
}
S3D_CACHE* PROJECT_PCB::Get3DCacheManager( PROJECT* aProject, bool aUpdateProjDir )
{
std::lock_guard<std::mutex> lock( mutex3D_cacheManager );
// Get the existing cache from the project
S3D_CACHE* cache = dynamic_cast<S3D_CACHE*>( aProject->GetElem( PROJECT::ELEM_3DCACHE ) );
if( !cache )
{
// Create a cache if there is not one already
cache = new S3D_CACHE();
wxFileName cfgpath;
cfgpath.AssignDir( PATHS::GetUserSettingsPath() );
cfgpath.AppendDir( wxT( "3d" ) );
cache->SetProgramBase( &Pgm() );
cache->Set3DConfigDir( cfgpath.GetFullPath() );
aProject->SetElem( PROJECT::ELEM_3DCACHE, cache );
aUpdateProjDir = true;
}
if( aUpdateProjDir )
cache->SetProject( aProject );
return cache;
}
FILENAME_RESOLVER* PROJECT_PCB::Get3DFilenameResolver( PROJECT* aProject )
{
return Get3DCacheManager( aProject )->GetResolver();
}
void PROJECT_PCB::Cleanup3DCache( PROJECT* aProject )
{
std::lock_guard<std::mutex> lock( mutex3D_cacheManager );
// Get the existing cache from the project
S3D_CACHE* cache = dynamic_cast<S3D_CACHE*>( aProject->GetElem( PROJECT::ELEM_3DCACHE ) );
if( cache )
{
// We'll delete ".3dc" cache files older than this many days
int clearCacheInterval = 0;
if( Pgm().GetCommonSettings() )
clearCacheInterval = Pgm().GetCommonSettings()->m_System.clear_3d_cache_interval;
// An interval of zero means the user doesn't want to ever clear the cache
if( clearCacheInterval > 0 )
cache->CleanCacheDir( clearCacheInterval );
}
}