kicad/eeschema/eeschema_config.cpp

603 lines
22 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2014-2019 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 <fctsys.h>
#include <pgm_base.h>
#include <kiface_i.h>
#include <confirm.h>
#include <gestfich.h>
#include <sch_edit_frame.h>
#include <sch_sheet.h>
#include <lib_edit_frame.h>
#include <eeschema_config.h>
#include <ws_data_model.h>
#include <class_library.h>
#include <symbol_lib_table.h>
#include <wildcards_and_files_ext.h>
#include <widgets/paged_dialog.h>
#include <dialogs/panel_eeschema_template_fieldnames.h>
#include <dialogs/panel_eeschema_settings.h>
#include <dialogs/panel_eeschema_display_options.h>
#include <panel_display_options.h>
#include <panel_hotkeys_editor.h>
#include <widgets/widget_eeschema_color_config.h>
#include <widgets/symbol_tree_pane.h>
#include <dialogs/panel_libedit_settings.h>
#include <sch_painter.h>
#include "sch_junction.h"
#include "eeschema_id.h"
static int s_defaultBusThickness = DEFAULTBUSTHICKNESS;
static int s_defaultWireThickness = DEFAULTDRAWLINETHICKNESS;
static int s_defaultTextSize = DEFAULT_SIZE_TEXT;
static int s_drawDefaultLineThickness = -1;
static int s_textMarkupFlags = 0;
static bool s_selectTextAsBox = false;
static bool s_selectDrawChildren = true;
static bool s_selectFillShapes = false;
static int s_selectThickness = DEFAULTSELECTIONTHICKNESS;
int GetDefaultBusThickness()
{
return s_defaultBusThickness;
}
void SetDefaultBusThickness( int aThickness)
{
s_defaultBusThickness = std::max( 1, aThickness );
}
int GetDefaultWireThickness()
{
return s_defaultWireThickness;
}
void SetDefaultWireThickness( int aThickness )
{
s_defaultWireThickness = std::max( 1, aThickness );
}
int GetDefaultTextSize()
{
return s_defaultTextSize;
}
void SetDefaultTextSize( int aTextSize )
{
s_defaultTextSize = aTextSize;
}
int GetDefaultLineThickness()
{
return s_drawDefaultLineThickness;
}
void SetTextMarkupFlags( int aMarkupFlags )
{
s_textMarkupFlags = aMarkupFlags;
}
int GetTextMarkupFlags()
{
return s_textMarkupFlags;
}
void SetDefaultLineThickness( int aThickness )
{
s_drawDefaultLineThickness = std::max( 1, aThickness );
}
bool GetSelectionTextAsBox()
{
return s_selectTextAsBox;
}
void SetSelectionTextAsBox( bool aBool )
{
s_selectTextAsBox = aBool;
}
bool GetSelectionDrawChildItems()
{
return s_selectDrawChildren;
}
void SetSelectionDrawChildItems( bool aBool )
{
s_selectDrawChildren = aBool;
}
bool GetSelectionFillShapes()
{
return s_selectFillShapes;
}
void SetSelectionFillShapes( bool aBool )
{
s_selectFillShapes = aBool;
}
int GetSelectionThickness()
{
return s_selectThickness;
}
void SetSelectionThickness( int aThickness )
{
s_selectThickness = aThickness;
}
// Color to draw selected items
COLOR4D GetItemSelectedColor()
{
return COLOR4D( BROWN );
}
// Color to draw items flagged invisible, in libedit (they are invisible in Eeschema)
COLOR4D GetInvisibleItemColor()
{
return COLOR4D( DARKGRAY );
}
void SCH_EDIT_FRAME::InstallPreferences( PAGED_DIALOG* aParent,
PANEL_HOTKEYS_EDITOR* aHotkeysPanel )
{
wxTreebook* book = aParent->GetTreebook();
book->AddPage( new wxPanel( book ), _( "Eeschema" ) );
book->AddSubPage( new PANEL_EESCHEMA_DISPLAY_OPTIONS( this, book ), _( "Display Options" ) );
book->AddSubPage( new PANEL_EESCHEMA_SETTINGS( this, book ), _( "Editing Options" ) );
book->AddSubPage( new PANEL_EESCHEMA_COLOR_CONFIG( this, book ), _( "Colors" ) );
book->AddSubPage( new PANEL_EESCHEMA_TEMPLATE_FIELDNAMES( this, book ),
_( "Field Name Templates" ) );
aHotkeysPanel->AddHotKeys( GetToolManager() );
}
PARAM_CFG_ARRAY& SCH_EDIT_FRAME::GetProjectFileParameters()
{
if( !m_projectFileParams.empty() )
return m_projectFileParams;
m_projectFileParams.push_back( new PARAM_CFG_FILENAME( wxT( "PageLayoutDescrFile" ),
&BASE_SCREEN::m_PageLayoutDescrFileName ) );
m_projectFileParams.push_back( new PARAM_CFG_FILENAME( wxT( "PlotDirectoryName" ),
&m_plotDirectoryName ) );
m_projectFileParams.push_back( new PARAM_CFG_INT( wxT( "SubpartIdSeparator" ),
LIB_PART::SubpartIdSeparatorPtr(), 0, 0, 126 ) );
m_projectFileParams.push_back( new PARAM_CFG_INT( wxT( "SubpartFirstId" ),
LIB_PART::SubpartFirstIdPtr(), 'A', '1', 'z' ) );
m_projectFileParams.push_back( new PARAM_CFG_WXSTRING( wxT( "NetFmtName" ),
&m_netListFormat) );
m_projectFileParams.push_back( new PARAM_CFG_BOOL( wxT( "SpiceAjustPassiveValues" ),
&m_spiceAjustPassiveValues, false ) );
m_projectFileParams.push_back( new PARAM_CFG_INT( wxT( "LabSize" ),
&s_defaultTextSize, DEFAULT_SIZE_TEXT, 5, 1000 ) );
m_projectFileParams.push_back( new PARAM_CFG_BOOL( wxT( "ERC_WriteFile" ),
&m_ercSettings.write_erc_file, false ) );
m_projectFileParams.push_back( new PARAM_CFG_BOOL( wxT( "ERC_TestSimilarLabels" ),
&m_ercSettings.check_similar_labels, true ) );
m_projectFileParams.push_back( new PARAM_CFG_BOOL( wxT( "ERC_CheckUniqueGlobalLabels" ),
&m_ercSettings.check_unique_global_labels, true ) );
m_projectFileParams.push_back( new PARAM_CFG_BOOL( wxT( "ERC_CheckBusDriverConflicts" ),
&m_ercSettings.check_bus_driver_conflicts, true ) );
m_projectFileParams.push_back( new PARAM_CFG_BOOL( wxT( "ERC_CheckBusEntryConflicts" ),
&m_ercSettings.check_bus_entry_conflicts, true ) );
m_projectFileParams.push_back( new PARAM_CFG_BOOL( wxT( "ERC_CheckBusToBusConflicts" ),
&m_ercSettings.check_bus_to_bus_conflicts, true ) );
m_projectFileParams.push_back( new PARAM_CFG_BOOL( wxT( "ERC_CheckBusToNetConflicts" ),
&m_ercSettings.check_bus_to_net_conflicts, true ) );
return m_projectFileParams;
}
bool SCH_EDIT_FRAME::LoadProjectFile()
{
// Read library list and library path list
bool ret = Prj().ConfigLoad( Kiface().KifaceSearch(), GROUP_SCH, GetProjectFileParameters() );
// Read schematic editor setup
ret &= Prj().ConfigLoad( Kiface().KifaceSearch(), GROUP_SCH_EDIT, GetProjectFileParameters() );
// Verify some values, because the config file can be edited by hand,
// and have bad values:
LIB_PART::SetSubpartIdNotation( LIB_PART::GetSubpartIdSeparator(),
LIB_PART::GetSubpartFirstId() );
// Load the page layout decr file, from the filename stored in
// BASE_SCREEN::m_PageLayoutDescrFileName, read in config project file
// If empty, or not existing, the default descr is loaded
WS_DATA_MODEL& pglayout = WS_DATA_MODEL::GetTheInstance();
wxString filename = WS_DATA_MODEL::MakeFullFileName( BASE_SCREEN::m_PageLayoutDescrFileName,
Prj().GetProjectPath() );
pglayout.SetPageLayout( filename );
return ret;
}
void SCH_EDIT_FRAME::SaveProjectSettings( bool aAskForSave )
{
PROJECT& prj = Prj();
wxFileName fn = g_RootSheet->GetScreen()->GetFileName(); //ConfigFileName
fn.SetExt( ProjectFileExtension );
if( !IsWritable( fn ) )
return;
if( aAskForSave )
{
wxFileDialog dlg( this, _( "Save Project File" ), fn.GetPath(), fn.GetFullName(),
ProjectFileWildcard(), wxFD_SAVE );
if( dlg.ShowModal() == wxID_CANCEL )
return;
fn = dlg.GetPath();
}
wxString path = fn.GetFullPath();
prj.ConfigSave( Kiface().KifaceSearch(), GROUP_SCH_EDIT, GetProjectFileParameters(), path );
}
///@{
/// \ingroup config
const wxChar RescueNeverShowEntry[] = wxT( "RescueNeverShow" );
const wxChar AutoplaceFieldsEntry[] = wxT( "AutoplaceFields" );
const wxChar AutoplaceJustifyEntry[] = wxT( "AutoplaceJustify" );
const wxChar AutoplaceAlignEntry[] = wxT( "AutoplaceAlign" );
static const wxChar DragActionIsMoveEntry[] = wxT( "DragActionIsMove" );
static const wxChar FootprintPreviewEntry[] = wxT( "FootprintPreview" );
static const wxChar DefaultBusWidthEntry[] = wxT( "DefaultBusWidth" );
static const wxChar DefaultWireWidthEntry[] = wxT( "DefaultWireWidth" );
static const wxChar DefaultDrawLineWidthEntry[] = wxT( "DefaultDrawLineWidth" );
static const wxChar DefaultJctSizeEntry[] = wxT( "DefaultJunctionSize" );
static const wxChar ShowHiddenPinsEntry[] = wxT( "ShowHiddenPins" );
static const wxChar HorzVertLinesOnlyEntry[] = wxT( "HorizVertLinesOnly" );
static const wxChar FieldNamesEntry[] = wxT( "FieldNames" );
static const wxString TextMarkupFlagsEntry = "TextMarkupFlags";
static const wxString ShowPageLimitsEntry = "ShowPageLimits";
static const wxString UnitsEntry = "Units";
static const wxString PrintMonochromeEntry = "PrintMonochrome";
static const wxString PrintSheetRefEntry = "PrintSheetReferenceAndTitleBlock";
static const wxString RepeatStepXEntry = "RepeatStepX";
static const wxString RepeatStepYEntry = "RepeatStepY";
static const wxString RepeatLabelIncrementEntry = "RepeatLabelIncrement";
static const wxString ShowIllegalSymboLibDialog = "ShowIllegalSymbolLibDialog";
static const wxString showSheetFileNameCaseSensitivityDlg = "ShowSheetFileNameCaseSensitivityDlg";
static const wxString SelectPinSelectSymbolEntry = "SelectPinSelectSymbolOpt";
// Library editor wxConfig entry names.
static const wxChar defaultLibWidthEntry[] = wxT( "LibeditLibWidth" );
static const wxChar defaultPinNumSizeEntry[] = wxT( "LibeditPinNumSize" );
static const wxChar defaultPinNameSizeEntry[] = wxT( "LibeditPinNameSize" );
static const wxChar DefaultPinLengthEntry[] = wxT( "DefaultPinLength" );
static const wxChar repeatLibLabelIncEntry[] = wxT( "LibeditRepeatLabelInc" );
static const wxChar pinRepeatStepEntry[] = wxT( "LibeditPinRepeatStep" );
static const wxChar repeatLibStepXEntry[] = wxT( "LibeditRepeatStepX" );
static const wxChar repeatLibStepYEntry[] = wxT( "LibeditRepeatStepY" );
static const wxChar showPinElectricalType[] = wxT( "LibeditShowPinElectricalType" );
static const wxChar boxedSelectedText[] = wxT( "SelectionTextAsBox" );
static const wxChar drawSelectedChildren[] = wxT( "SelectionDrawChildItems" );
static const wxChar selectionFillShapes[] = wxT( "SelectionFillShapes" );
static const wxChar selectionThickness[] = wxT( "SelectionThickness" );
///@}
PARAM_CFG_ARRAY& SCH_EDIT_FRAME::GetConfigurationSettings()
{
if( !m_configSettings.empty() )
return m_configSettings;
m_configSettings.push_back( new PARAM_CFG_BOOL( true, ShowPageLimitsEntry,
&m_showPageLimits, true ) );
m_configSettings.push_back( new PARAM_CFG_INT(
true, UnitsEntry, (int*) &m_userUnits, (int) EDA_UNITS::MILLIMETRES ) );
m_configSettings.push_back( new PARAM_CFG_BOOL( true, PrintMonochromeEntry,
&m_printMonochrome, true ) );
m_configSettings.push_back( new PARAM_CFG_BOOL( true, PrintSheetRefEntry,
&m_printSheetReference, true ) );
m_configSettings.push_back( new PARAM_CFG_INT( true, RepeatStepXEntry,
&m_repeatStep.x, DEFAULT_REPEAT_OFFSET_X,
-REPEAT_OFFSET_MAX, REPEAT_OFFSET_MAX ) );
m_configSettings.push_back( new PARAM_CFG_INT( true, RepeatStepYEntry,
&m_repeatStep.y, DEFAULT_REPEAT_OFFSET_Y,
-REPEAT_OFFSET_MAX, REPEAT_OFFSET_MAX ) );
m_configSettings.push_back( new PARAM_CFG_INT( true, RepeatLabelIncrementEntry,
&m_repeatDeltaLabel, DEFAULT_REPEAT_LABEL_INC,
-10, +10 ) );
m_configSettings.push_back( new PARAM_CFG_BOOL( true, ShowIllegalSymboLibDialog,
&m_showIllegalSymbolLibDialog, true ) );
m_configSettings.push_back( new PARAM_CFG_BOOL( true, showSheetFileNameCaseSensitivityDlg,
&m_showSheetFileNameCaseSensitivityDlg,
true ) );
return m_configSettings;
}
void SCH_EDIT_FRAME::LoadSettings( wxConfigBase* aCfg )
{
EDA_DRAW_FRAME::LoadSettings( aCfg );
long tmp;
wxConfigLoadSetups( aCfg, GetConfigurationSettings() );
// LibEdit owns this one, but we must read it in if LibEdit hasn't set it yet
if( GetDefaultLineThickness() < 0 )
{
SetDefaultLineThickness( (int) aCfg->Read( DefaultDrawLineWidthEntry,
DEFAULTDRAWLINETHICKNESS ) );
}
SetDefaultBusThickness( (int) aCfg->Read( DefaultBusWidthEntry, DEFAULTBUSTHICKNESS ) );
// Property introduced in 6.0; use DefaultLineWidth for earlier projects
if( !aCfg->Read( DefaultWireWidthEntry, &tmp ) )
aCfg->Read( DefaultDrawLineWidthEntry, &tmp, DEFAULTDRAWLINETHICKNESS );
SetDefaultWireThickness( (int) tmp );
SetSelectionTextAsBox( aCfg->ReadBool( boxedSelectedText, false ) );
SetSelectionDrawChildItems( aCfg->ReadBool( drawSelectedChildren, true ) );
SetSelectionFillShapes( aCfg->ReadBool( selectionFillShapes, false ) );
SetSelectionThickness(
static_cast<int>( aCfg->Read( selectionThickness, DEFAULTSELECTIONTHICKNESS ) ) );
SetTextMarkupFlags( (int) aCfg->Read( TextMarkupFlagsEntry, 0L ) );
if( aCfg->Read( DefaultJctSizeEntry, &tmp ) )
SCH_JUNCTION::SetSymbolSize( (int) tmp );
aCfg->Read( DragActionIsMoveEntry, &m_dragActionIsMove, true );
aCfg->Read( ShowHiddenPinsEntry, &m_showAllPins, false );
aCfg->Read( SelectPinSelectSymbolEntry, &m_selectPinSelectSymbol, true );
aCfg->Read( HorzVertLinesOnlyEntry, &m_forceHVLines, true );
aCfg->Read( AutoplaceFieldsEntry, &m_autoplaceFields, true );
aCfg->Read( AutoplaceJustifyEntry, &m_autoplaceJustify, true );
aCfg->Read( AutoplaceAlignEntry, &m_autoplaceAlign, false );
aCfg->Read( FootprintPreviewEntry, &m_footprintPreview, false );
wxString templateFieldNames = aCfg->Read( FieldNamesEntry, wxEmptyString );
if( !templateFieldNames.IsEmpty() )
{
TEMPLATE_FIELDNAMES_LEXER lexer( TO_UTF8( templateFieldNames ) );
try
{
m_templateFieldNames.Parse( &lexer );
}
catch( const IO_ERROR& DBG( e ) )
{
// @todo show error msg
DBG( printf( "templatefieldnames parsing error: '%s'\n", TO_UTF8( e.What() ) ); )
}
}
KIGFX::SCH_RENDER_SETTINGS* settings = GetRenderSettings();
settings->m_ShowPinsElectricalType = false;
settings->m_ShowHiddenText = false;
settings->m_ShowHiddenPins = m_showAllPins;
settings->SetShowPageLimits( m_showPageLimits );
settings->m_ShowUmbilicals = true;
}
void SCH_EDIT_FRAME::SaveSettings( wxConfigBase* aCfg )
{
EDA_DRAW_FRAME::SaveSettings( aCfg );
wxConfigSaveSetups( aCfg, GetConfigurationSettings() );
aCfg->Write( DragActionIsMoveEntry, m_dragActionIsMove );
aCfg->Write( DefaultBusWidthEntry, (long) GetDefaultBusThickness() );
aCfg->Write( DefaultWireWidthEntry, (long) GetDefaultWireThickness() );
aCfg->Write( DefaultJctSizeEntry, (long) SCH_JUNCTION::GetSymbolSize() );
aCfg->Write( ShowHiddenPinsEntry, m_showAllPins );
aCfg->Write( SelectPinSelectSymbolEntry, GetSelectPinSelectSymbol() );
aCfg->Write( HorzVertLinesOnlyEntry, GetForceHVLines() );
aCfg->Write( AutoplaceFieldsEntry, m_autoplaceFields );
aCfg->Write( AutoplaceJustifyEntry, m_autoplaceJustify );
aCfg->Write( AutoplaceAlignEntry, m_autoplaceAlign );
aCfg->Write( FootprintPreviewEntry, m_footprintPreview );
aCfg->Write( boxedSelectedText, GetSelectionTextAsBox() );
aCfg->Write( drawSelectedChildren, GetSelectionDrawChildItems() );
aCfg->Write( selectionFillShapes, GetSelectionFillShapes() );
aCfg->Write( selectionThickness, GetSelectionThickness() );
// Save template fieldnames
STRING_FORMATTER sf;
m_templateFieldNames.Format( &sf, 0 );
wxString record = FROM_UTF8( sf.GetString().c_str() );
record.Replace( wxT("\n"), wxT(""), true ); // strip all newlines
record.Replace( wxT(" "), wxT(" "), true ); // double space to single
aCfg->Write( FieldNamesEntry, record );
aCfg->Write( TextMarkupFlagsEntry, GetTextMarkupFlags() );
aCfg->Write( showSheetFileNameCaseSensitivityDlg, m_showSheetFileNameCaseSensitivityDlg );
}
void LIB_EDIT_FRAME::LoadSettings( wxConfigBase* aCfg )
{
EDA_DRAW_FRAME::LoadSettings( aCfg );
SetDefaultLineThickness( (int) aCfg->Read( DefaultDrawLineWidthEntry,
DEFAULTDRAWLINETHICKNESS ) );
SetDefaultPinLength( (int) aCfg->Read( DefaultPinLengthEntry, DEFAULTPINLENGTH ) );
m_textPinNumDefaultSize = (int) aCfg->Read( defaultPinNumSizeEntry, DEFAULTPINNUMSIZE );
m_textPinNameDefaultSize = (int) aCfg->Read( defaultPinNameSizeEntry, DEFAULTPINNAMESIZE );
SetRepeatDeltaLabel( (int) aCfg->Read( repeatLibLabelIncEntry, DEFAULT_REPEAT_LABEL_INC ) );
SetRepeatPinStep( (int) aCfg->Read( pinRepeatStepEntry, DEFAULT_REPEAT_OFFSET_PIN ) );
wxPoint step;
aCfg->Read( repeatLibStepXEntry, &step.x, DEFAULT_REPEAT_OFFSET_X );
aCfg->Read( repeatLibStepYEntry, &step.y, DEFAULT_REPEAT_OFFSET_Y );
SetRepeatStep( step );
m_showPinElectricalTypeName = aCfg->ReadBool( showPinElectricalType, true );
aCfg->Read( defaultLibWidthEntry, &m_defaultLibWidth, DEFAULTLIBWIDTH );
wxString templateFieldNames = aCfg->Read( FieldNamesEntry, wxEmptyString );
if( !templateFieldNames.IsEmpty() )
{
TEMPLATE_FIELDNAMES_LEXER lexer( TO_UTF8( templateFieldNames ) );
try
{
m_templateFieldNames.Parse( &lexer );
}
catch( const IO_ERROR& DBG( e ) )
{
// @todo show error msg
DBG( printf( "templatefieldnames parsing error: '%s'\n", TO_UTF8( e.What() ) ); )
}
}
auto painter = static_cast<KIGFX::SCH_PAINTER*>( GetCanvas()->GetView()->GetPainter() );
KIGFX::SCH_RENDER_SETTINGS* settings = painter->GetSettings();
settings->m_ShowPinsElectricalType = m_showPinElectricalTypeName;
// Hidden elements must be editable
settings->m_ShowHiddenText = true;
settings->m_ShowHiddenPins = true;
settings->m_ShowUmbilicals = false;
}
void LIB_EDIT_FRAME::SaveSettings( wxConfigBase* aCfg )
{
EDA_DRAW_FRAME::SaveSettings( aCfg );
aCfg->Write( DefaultDrawLineWidthEntry, GetDefaultLineThickness() );
aCfg->Write( DefaultPinLengthEntry, GetDefaultPinLength() );
aCfg->Write( defaultPinNumSizeEntry, GetPinNumDefaultSize() );
aCfg->Write( defaultPinNameSizeEntry, GetPinNameDefaultSize() );
aCfg->Write( repeatLibLabelIncEntry, GetRepeatDeltaLabel() );
aCfg->Write( pinRepeatStepEntry, GetRepeatPinStep() );
aCfg->Write( repeatLibStepXEntry, GetRepeatStep().x );
aCfg->Write( repeatLibStepYEntry, GetRepeatStep().y );
aCfg->Write( showPinElectricalType, GetShowElectricalType() );
aCfg->Write( defaultLibWidthEntry, m_treePane->GetSize().x );
}
void LIB_EDIT_FRAME::InstallPreferences( PAGED_DIALOG* aParent,
PANEL_HOTKEYS_EDITOR* aHotkeysPanel )
{
wxTreebook* book = aParent->GetTreebook();
book->AddPage( new wxPanel( book ), _( "Symbol Editor" ) );
book->AddSubPage( new PANEL_DISPLAY_OPTIONS( this, aParent ), _( "Display Options" ) );
book->AddSubPage( new PANEL_LIBEDIT_SETTINGS( this, book ), _( "Defaults" ) );
aHotkeysPanel->AddHotKeys( GetToolManager() );
}
SYMBOL_LIB_TABLE* PROJECT::SchSymbolLibTable()
{
// This is a lazy loading function, it loads the project specific table when
// that table is asked for, not before.
SYMBOL_LIB_TABLE* tbl = (SYMBOL_LIB_TABLE*) GetElem( ELEM_SYMBOL_LIB_TABLE );
// its gotta be NULL or a SYMBOL_LIB_TABLE, or a bug.
wxASSERT( !tbl || tbl->Type() == SYMBOL_LIB_TABLE_T );
if( !tbl )
{
// Stack the project specific SYMBOL_LIB_TABLE overlay on top of the global table.
// ~SYMBOL_LIB_TABLE() will not touch the fallback table, so multiple projects may
// stack this way, all using the same global fallback table.
tbl = new SYMBOL_LIB_TABLE( &SYMBOL_LIB_TABLE::GetGlobalLibTable() );
SetElem( ELEM_SYMBOL_LIB_TABLE, tbl );
wxString prjPath;
wxGetEnv( PROJECT_VAR_NAME, &prjPath );
if( !prjPath.IsEmpty() )
{
wxFileName fn( prjPath, SYMBOL_LIB_TABLE::GetSymbolLibTableFileName() );
try
{
tbl->Load( fn.GetFullPath() );
}
catch( const IO_ERROR& ioe )
{
wxString msg;
msg.Printf( _( "An error occurred loading the symbol library table \"%s\"." ),
fn.GetFullPath() );
DisplayErrorMessage( NULL, msg, ioe.What() );
}
}
}
return tbl;
}