panel_setup_rules.cpp

Go to the documentation of this file.

/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2020-2024 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 <bitmaps.h>
#include <confirm.h>
#include <widgets/std_bitmap_button.h>
#include <widgets/paged_dialog.h>
#include <pcb_edit_frame.h>
#include <pcbexpr_evaluator.h>
#include <board.h>
#include <board_design_settings.h>
#include <project.h>
#include <string_utils.h>
#include <tool/tool_manager.h>
#include <panel_setup_rules.h>
#include <widgets/wx_html_report_box.h>
#include <dialogs/html_message_box.h>
#include <scintilla_tricks.h>
#include <drc/drc_rule_parser.h>
#include <tools/drc_tool.h>
#include <pgm_base.h>
#include <wildcards_and_files_ext.h>
 
PANEL_SETUP_RULES::PANEL_SETUP_RULES( wxWindow* aParentWindow, PCB_EDIT_FRAME* aFrame ) :
 PANEL_SETUP_RULES_BASE( aParentWindow ),
 m_frame( aFrame ),
 m_scintillaTricks( nullptr ),
 m_helpWindow( nullptr )
{
 m_scintillaTricks = new SCINTILLA_TRICKS( m_textEditor, wxT( "()" ), false,
 // onAcceptFn
 [this]( wxKeyEvent& aEvent )
 {
 wxPostEvent( PAGED_DIALOG::GetDialog( this ),
 wxCommandEvent( wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK ) );
 },
 // onCharFn
 [this]( wxStyledTextEvent& aEvent )
 {
 onScintillaCharAdded( aEvent );
 } );
 
 m_textEditor->AutoCompSetSeparator( '|' );
 
 m_netClassRegex.Compile( "^NetClass\\s*[!=]=\\s*$", wxRE_ADVANCED );
 m_netNameRegex.Compile( "^NetName\\s*[!=]=\\s*$", wxRE_ADVANCED );
 m_typeRegex.Compile( "^Type\\s*[!=]=\\s*$", wxRE_ADVANCED );
 m_viaTypeRegex.Compile( "^Via_Type\\s*[!=]=\\s*$", wxRE_ADVANCED );
 m_padTypeRegex.Compile( "^Pad_Type\\s*[!=]=\\s*$", wxRE_ADVANCED );
 m_pinTypeRegex.Compile( "^Pin_Type\\s*[!=]=\\s*$", wxRE_ADVANCED );
 m_fabPropRegex.Compile( "^Fabrication_Property\\s*[!=]=\\s*$", wxRE_ADVANCED );
 m_shapeRegex.Compile( "^Shape\\s*[!=]=\\s*$", wxRE_ADVANCED );
 m_padShapeRegex.Compile( "^Pad_Shape\\s*[!=]=\\s*$", wxRE_ADVANCED );
 m_padConnectionsRegex.Compile( "^Pad_Connections\\s*[!=]=\\s*$", wxRE_ADVANCED );
 m_zoneConnStyleRegex.Compile( "^Zone_Connection_Style\\s*[!=]=\\s*$", wxRE_ADVANCED );
 m_lineStyleRegex.Compile( "^Line_Style\\s*[!=]=\\s*$", wxRE_ADVANCED );
 m_hJustRegex.Compile( "^Horizontal_Justification\\s*[!=]=\\s*$", wxRE_ADVANCED );
 m_vJustRegex.Compile( "^Vertical_Justification\\s*[!=]=\\s*$", wxRE_ADVANCED );
 
 m_compileButton->SetBitmap( KiBitmapBundle( BITMAPS::drc ) );
 
 m_textEditor->SetZoom( Pgm().GetCommonSettings()->m_Appearance.text_editor_zoom );
 
 m_textEditor->UsePopUp( 0 );
 m_textEditor->Bind( wxEVT_CHAR_HOOK, &PANEL_SETUP_RULES::onCharHook, this );
}
 
 
PANEL_SETUP_RULES::~PANEL_SETUP_RULES( )
{
 m_textEditor->Unbind( wxEVT_CHAR_HOOK, &PANEL_SETUP_RULES::onCharHook, this );
 Pgm().GetCommonSettings()->m_Appearance.text_editor_zoom = m_textEditor->GetZoom();
 
 delete m_scintillaTricks;
 
 if( m_helpWindow )
 m_helpWindow->Destroy();
};
 
 
void PANEL_SETUP_RULES::onCharHook( wxKeyEvent& aEvent )
{
 if( aEvent.GetKeyCode() == WXK_ESCAPE && !m_textEditor->AutoCompActive() )
 {
 if( m_originalText != m_textEditor->GetText() )
 {
 if( IsOK( wxGetTopLevelParent( this ), _( "Cancel Changes?" ) ) )
 {
 m_textEditor->SetText( m_originalText );
 m_textEditor->SelectAll();
 }
 
 return;
 }
 }
 
 aEvent.Skip();
}
 
 
void PANEL_SETUP_RULES::OnContextMenu(wxMouseEvent &event)
{
 wxMenu menu;
 
 menu.Append( wxID_UNDO, _( "Undo" ) );
 menu.Append( wxID_REDO, _( "Redo" ) );
 
 menu.AppendSeparator();
 
 menu.Append( 1, _( "Cut" ) ); // Don't use wxID_CUT, wxID_COPY, etc. On Mac (at least),
 menu.Append( 2, _( "Copy" ) ); // wxWidgets never delivers them to us.
 menu.Append( 3, _( "Paste" ) );
 menu.Append( 4, _( "Delete" ) );
 
 menu.AppendSeparator();
 
 menu.Append( 5, _( "Select All" ) );
 
 menu.AppendSeparator();
 
 menu.Append( wxID_ZOOM_IN, _( "Zoom In" ) );
 menu.Append( wxID_ZOOM_OUT, _( "Zoom Out" ) );
 
 
 switch( GetPopupMenuSelectionFromUser( menu ) )
 {
 case wxID_UNDO:
 m_textEditor->Undo();
 break;
 case wxID_REDO:
 m_textEditor->Redo();
 break;
 
 case 1:
 m_textEditor->Cut();
 break;
 case 2:
 m_textEditor->Copy();
 break;
 case 3:
 m_textEditor->Paste();
 break;
 case 4:
 {
 long from, to;
 m_textEditor->GetSelection( &from, &to );
 
 if( to > from )
 m_textEditor->DeleteRange( from, to );
 
 break;
 }
 
 case 5:
 m_textEditor->SelectAll();
 break;
 
 case wxID_ZOOM_IN:
 m_textEditor->ZoomIn();
 break;
 case wxID_ZOOM_OUT:
 m_textEditor->ZoomOut();
 break;
 }
}
 
 
void PANEL_SETUP_RULES::onScintillaCharAdded( wxStyledTextEvent &aEvent )
{
 if( aEvent.GetModifiers() == wxMOD_CONTROL && aEvent.GetKey() == ' ' )
 {
 // This is just a short-cut for do-auto-complete
 }
 else
 {
 PAGED_DIALOG::GetDialog( this )->SetModified();
 }
 
 m_textEditor->SearchAnchor();
 
 wxString rules = m_textEditor->GetText();
 int currentPos = m_textEditor->GetCurrentPos();
 int startPos = 0;
 
 for( int line = m_textEditor->LineFromPosition( currentPos ); line > 0; line-- )
 {
 int lineStart = m_textEditor->PositionFromLine( line );
 wxString beginning = m_textEditor->GetTextRange( lineStart, lineStart + 10 );
 
 if( beginning.StartsWith( wxT( "(rule " ) ) )
 {
 startPos = lineStart;
 break;
 }
 }
 
 enum
 {
 NONE,
 STRING,
 SEXPR_OPEN,
 SEXPR_TOKEN,
 SEXPR_STRING,
 STRUCT_REF
 };
 
 auto isDisallowToken =
 []( const wxString& token ) -> bool
 {
 return token == wxT( "buried_via" )
 || token == wxT( "graphic" )
 || token == wxT( "hole" )
 || token == wxT( "micro_via" )
 || token == wxT( "pad" )
 || token == wxT( "text" )
 || token == wxT( "track" )
 || token == wxT( "via" )
 || token == wxT( "zone" );
 };
 
 auto isConstraintTypeToken =
 []( const wxString& token ) -> bool
 {
 return token == wxT( "annular_width" )
 || token == wxT( "assertion" )
 || token == wxT( "clearance" )
 || token == wxT( "connection_width" )
 || token == wxT( "courtyard_clearance" )
 || token == wxT( "diff_pair_gap" )
 || token == wxT( "diff_pair_uncoupled" )
 || token == wxT( "disallow" )
 || token == wxT( "edge_clearance" )
 || token == wxT( "length" )
 || token == wxT( "hole_clearance" )
 || token == wxT( "hole_size" )
 || token == wxT( "hole_to_hole" )
 || token == wxT( "min_resolved_spokes" )
 || token == wxT( "physical_clearance" )
 || token == wxT( "physical_hole_clearance" )
 || token == wxT( "silk_clearance" )
 || token == wxT( "skew" )
 || token == wxT( "text_height" )
 || token == wxT( "text_thickness" )
 || token == wxT( "thermal_relief_gap" )
 || token == wxT( "thermal_spoke_width" )
 || token == wxT( "track_width" )
 || token == wxT( "via_count" )
 || token == wxT( "via_diameter" )
 || token == wxT( "zone_connection" );
 };
 
 std::stack<wxString> sexprs;
 wxString partial;
 wxString last;
 wxString constraintType;
 int context = NONE;
 int expr_context = NONE;
 
 for( int i = startPos; i < currentPos; ++i )
 {
 wxChar c = m_textEditor->GetCharAt( i );
 
 if( c == '\\' )
 {
 i++; // skip escaped char
 }
 else if( context == STRING )
 {
 if( c == '"' )
 {
 context = NONE;
 }
 else
 {
 if( expr_context == STRING )
 {
 if( c == '\'' )
 expr_context = NONE;
 else
 partial += c;
 }
 else if( c == '\'' )
 {
 last = partial;
 partial = wxEmptyString;
 expr_context = STRING;
 }
 else if( c == '.' )
 {
 partial = wxEmptyString;
 expr_context = STRUCT_REF;
 }
 else
 {
 partial += c;
 }
 }
 }
 else if( c == '"' )
 {
 last = partial;
 partial = wxEmptyString;
 context = STRING;
 }
 else if( c == '(' )
 {
 if( context == SEXPR_OPEN && !partial.IsEmpty() )
 {
 m_textEditor->AutoCompCancel();
 sexprs.push( partial );
 }
 
 partial = wxEmptyString;
 context = SEXPR_OPEN;
 }
 else if( c == ')' )
 {
 while( !sexprs.empty() && ( sexprs.top() == wxT( "assertion" )
 || sexprs.top() == wxT( "disallow" )
 || isDisallowToken( sexprs.top() )
 || sexprs.top() == wxT( "min_resolved_spokes" )
 || sexprs.top() == wxT( "zone_connection" ) ) )
 {
 sexprs.pop();
 }
 
 if( !sexprs.empty() )
 {
 // Ignore argument-less tokens
 if( partial == wxT( "within_diff_pairs" ) )
 {
 partial = wxEmptyString;
 }
 else
 {
 if( sexprs.top() == wxT( "constraint" ) )
 {
 constraintType = wxEmptyString;
 }
 
 sexprs.pop();
 }
 }
 
 context = NONE;
 }
 else if( c == ' ' )
 {
 if( context == SEXPR_OPEN && !partial.IsEmpty() )
 {
 m_textEditor->AutoCompCancel();
 sexprs.push( partial );
 
 if( partial == wxT( "constraint" )
 || partial == wxT( "layer" )
 || partial == wxT( "severity" ) )
 {
 context = SEXPR_TOKEN;
 }
 else if( partial == wxT( "rule" )
 || partial == wxT( "condition" ) )
 {
 context = SEXPR_STRING;
 }
 else
 {
 context = NONE;
 }
 
 partial = wxEmptyString;
 continue;
 }
 else if( partial == wxT( "disallow" )
 || isDisallowToken( partial )
 || partial == wxT( "min_resolved_spokes" )
 || partial == wxT( "zone_connection" ) )
 {
 m_textEditor->AutoCompCancel();
 sexprs.push( partial );
 
 partial = wxEmptyString;
 context = SEXPR_TOKEN;
 continue;
 }
 else if( partial == wxT( "assertion" ) )
 {
 m_textEditor->AutoCompCancel();
 sexprs.push( partial );
 
 partial = wxEmptyString;
 context = SEXPR_STRING;
 continue;
 }
 else if( isConstraintTypeToken( partial ) )
 {
 constraintType = partial;
 }
 
 context = NONE;
 }
 else
 {
 partial += c;
 }
 }
 
 wxString tokens;
 
 if( context == SEXPR_OPEN )
 {
 if( sexprs.empty() )
 {
 tokens = wxT( "rule|"
 "version" );
 }
 else if( sexprs.top() == wxT( "rule" ) )
 {
 tokens = wxT( "condition|"
 "constraint|"
 "layer|"
 "severity" );
 }
 else if( sexprs.top() == wxT( "constraint" ) )
 {
 if( constraintType == wxT( "skew" ) )
 tokens = wxT( "max|min|opt|within_diff_pairs" );
 else
 tokens = wxT( "max|min|opt" );
 }
 }
 else if( context == SEXPR_TOKEN )
 {
 if( sexprs.empty() )
 {
 /* badly formed grammar */
 }
 else if( sexprs.top() == wxT( "constraint" ) )
 {
 tokens = wxT( "annular_width|"
 "assertion|"
 "clearance|"
 "connection_width|"
 "courtyard_clearance|"
 "diff_pair_gap|"
 "diff_pair_uncoupled|"
 "disallow|"
 "edge_clearance|"
 "length|"
 "hole_clearance|"
 "hole_size|"
 "hole_to_hole|"
 "min_resolved_spokes|"
 "physical_clearance|"
 "physical_hole_clearance|"
 "silk_clearance|"
 "skew|"
 "text_height|"
 "text_thickness|"
 "thermal_relief_gap|"
 "thermal_spoke_width|"
 "track_width|"
 "via_count|"
 "via_diameter|"
 "zone_connection" );
 }
 else if( sexprs.top() == wxT( "disallow" ) || isDisallowToken( sexprs.top() ) )
 {
 tokens = wxT( "buried_via|"
 "footprint|"
 "graphic|"
 "hole|"
 "micro_via|"
 "pad|"
 "text|"
 "track|"
 "via|"
 "zone" );
 }
 else if( sexprs.top() == wxT( "zone_connection" ) )
 {
 tokens = wxT( "none|solid|thermal_reliefs" );
 }
 else if( sexprs.top() == wxT( "min_resolved_spokes" ) )
 {
 tokens = wxT( "0|1|2|3|4" );
 }
 else if( sexprs.top() == wxT( "layer" ) )
 {
 tokens = wxT( "inner|outer|\"x\"" );
 }
 else if( sexprs.top() == wxT( "severity" ) )
 {
 tokens = wxT( "warning|error|ignore|exclusion" );
 }
 }
 else if( context == SEXPR_STRING && !sexprs.empty()
 && ( sexprs.top() == wxT( "condition" ) || sexprs.top() == wxT( "assertion" ) ) )
 {
 m_textEditor->AddText( wxT( "\"" ) );
 }
 else if( context == STRING && !sexprs.empty()
 && ( sexprs.top() == wxT( "condition" ) || sexprs.top() == wxT( "assertion" ) ) )
 {
 if( expr_context == STRUCT_REF )
 {
 PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
 std::set<wxString> propNames;
 
 for( const PROPERTY_MANAGER::CLASS_INFO& cls : propMgr.GetAllClasses() )
 {
 const PROPERTY_LIST& props = propMgr.GetProperties( cls.type );
 
 for( PROPERTY_BASE* prop : props )
 {
 // TODO: It would be nice to replace IsHiddenFromRulesEditor with a nickname
 // system, so that two different properies don't need to be created. This is
 // a bigger change than I want to make right now, though.
 if( prop->IsHiddenFromRulesEditor() )
 continue;
 
 wxString ref( prop->Name() );
 ref.Replace( wxT( " " ), wxT( "_" ) );
 propNames.insert( ref );
 }
 }
 
 for( const wxString& propName : propNames )
 tokens += wxT( "|" ) + propName;
 
 PCBEXPR_BUILTIN_FUNCTIONS& functions = PCBEXPR_BUILTIN_FUNCTIONS::Instance();
 
 for( const wxString& funcSig : functions.GetSignatures() )
 {
 if( !funcSig.Contains( "DEPRECATED" ) )
 tokens += wxT( "|" ) + funcSig;
 }
 }
 else if( expr_context == STRING )
 {
 if( m_netClassRegex.Matches( last ) )
 {
 BOARD_DESIGN_SETTINGS& bds = m_frame->GetBoard()->GetDesignSettings();
 std::shared_ptr<NET_SETTINGS>& netSettings = bds.m_NetSettings;
 
 for( const auto& [name, netclass] : netSettings->GetNetclasses() )
 tokens += wxT( "|" ) + name;
 }
 else if( m_netNameRegex.Matches( last ) )
 {
 BOARD* board = m_frame->GetBoard();
 
 for( const wxString& netnameCandidate : board->GetNetClassAssignmentCandidates() )
 tokens += wxT( "|" ) + netnameCandidate;
 }
 else if( m_typeRegex.Matches( last ) )
 {
 tokens = wxT( "Bitmap|"
 "Dimension|"
 "Footprint|"
 "Graphic|"
 "Group|"
 "Leader|"
 "Pad|"
 "Target|"
 "Text|"
 "Text Box|"
 "Track|"
 "Via|"
 "Zone" );
 }
 else if( m_viaTypeRegex.Matches( last ) )
 {
 tokens = wxT( "Through|"
 "Blind/buried|"
 "Micro" );
 }
 else if( m_padTypeRegex.Matches( last ) )
 {
 tokens = wxT( "Through-hole|"
 "SMD|"
 "Edge connector|"
 "NPTH, mechanical" );
 }
 else if( m_pinTypeRegex.Matches( last ) )
 {
 tokens = wxT( "Input|"
 "Output|"
 "Bidirectional|"
 "Tri-state|"
 "Passive|"
 "Free|"
 "Unspecified|"
 "Power input|"
 "Power output|"
 "Open collector|"
 "Open emitter|"
 "Unconnected" );
 }
 else if( m_fabPropRegex.Matches( last ) )
 {
 tokens = wxT( "None|"
 "BGA pad|"
 "Fiducial, global to board|"
 "Fiducial, local to footprint|"
 "Test point pad|"
 "Heatsink pad|"
 "Castellated pad" );
 }
 else if( m_shapeRegex.Matches( last ) )
 {
 tokens = wxT( "Segment|"
 "Rectangle|"
 "Arc|"
 "Circle|"
 "Polygon|"
 "Bezier" );
 }
 else if( m_padShapeRegex.Matches( last ) )
 {
 tokens = wxT( "Circle|"
 "Rectangle|"
 "Oval|"
 "Trapezoid|"
 "Rounded rectangle|"
 "Chamfered rectangle|"
 "Custom" );
 }
 else if( m_padConnectionsRegex.Matches( last ) )
 {
 tokens = wxT( "Inherited|"
 "None|"
 "Solid|"
 "Thermal reliefs|"
 "Thermal reliefs for PTH" );
 }
 else if( m_zoneConnStyleRegex.Matches( last ) )
 {
 tokens = wxT( "Inherited|"
 "None|"
 "Solid|"
 "Thermal reliefs" );
 }
 else if( m_lineStyleRegex.Matches( last ) )
 {
 tokens = wxT( "Default|"
 "Solid|"
 "Dashed|"
 "Dotted|"
 "Dash-Dot|"
 "Dash-Dot-Dot" );
 }
 else if( m_hJustRegex.Matches( last ) )
 {
 tokens = wxT( "Left|"
 "Center|"
 "Right" );
 }
 else if( m_vJustRegex.Matches( last ) )
 {
 tokens = wxT( "Top|"
 "Center|"
 "Bottom" );
 }
 }
 }
 
 if( !tokens.IsEmpty() )
 m_scintillaTricks->DoAutocomplete( partial, wxSplit( tokens, '|' ) );
}
 
 
void PANEL_SETUP_RULES::OnCompile( wxCommandEvent& event )
{
 m_errorsReport->Clear();
 
 try
 {
 std::vector<std::shared_ptr<DRC_RULE>> dummyRules;
 
 DRC_RULES_PARSER parser( m_textEditor->GetText(), _( "DRC rules" ) );
 
 parser.Parse( dummyRules, m_errorsReport );
 }
 catch( PARSE_ERROR& pe )
 {
 wxString msg = wxString::Format( wxT( "%s <a href='%d:%d'>%s</a>%s" ),
 _( "ERROR:" ),
 pe.lineNumber,
 pe.byteIndex,
 pe.ParseProblem(),
 wxEmptyString );
 
 m_errorsReport->Report( msg, RPT_SEVERITY_ERROR );
 }
 
 m_errorsReport->Flush();
}
 
 
void PANEL_SETUP_RULES::OnErrorLinkClicked( wxHtmlLinkEvent& event )
{
 wxString link = event.GetLinkInfo().GetHref();
 wxArrayString parts;
 long line = 0, offset = 0;
 
 wxStringSplit( link, parts, ':' );
 
 if( parts.size() > 1 )
 {
 parts[0].ToLong( &line );
 parts[1].ToLong( &offset );
 }
 
 int pos = m_textEditor->PositionFromLine( line - 1 ) + ( offset - 1 );
 
 m_textEditor->GotoPos( pos );
 
 m_textEditor->SetFocus();
}
 
 
bool PANEL_SETUP_RULES::TransferDataToWindow()
{
 wxFileName rulesFile( m_frame->GetDesignRulesPath() );
 
 if( rulesFile.FileExists() )
 {
 wxTextFile file( rulesFile.GetFullPath() );
 
 if( file.Open() )
 {
 for ( wxString str = file.GetFirstLine(); !file.Eof(); str = file.GetNextLine() )
 {
 ConvertSmartQuotesAndDashes( &str );
 m_textEditor->AddText( str << '\n' );
 }
 
 m_textEditor->EmptyUndoBuffer();
 
 wxCommandEvent dummy;
 OnCompile( dummy );
 }
 }
 else
 {
 m_textEditor->AddText( wxT( "(version 1)\n" ) );
 }
 
 m_originalText = m_textEditor->GetText();
 
 if( m_frame->Prj().IsNullProject() )
 {
 m_textEditor->ClearAll();
 m_textEditor->AddText( _( "Design rules cannot be added without a project" ) );
 m_textEditor->Disable();
 }
 
 return true;
}
 
 
bool PANEL_SETUP_RULES::TransferDataFromWindow()
{
 if( m_originalText == m_textEditor->GetText() )
 return true;
 
 if( m_frame->Prj().IsNullProject() )
 return true;
 
 wxString rulesFilepath = m_frame->GetDesignRulesPath();
 
 try
 {
 if( m_textEditor->SaveFile( rulesFilepath ) )
 {
 m_frame->GetBoard()->GetDesignSettings().m_DRCEngine->InitEngine( rulesFilepath );
 return true;
 }
 }
 catch( PARSE_ERROR& )
 {
 // Don't lock them in to the Setup dialog if they have bad rules. They've already
 // saved them so we can allow an exit.
 return true;
 }
 
 return false;
}
 
 
void PANEL_SETUP_RULES::OnSyntaxHelp( wxHyperlinkEvent& aEvent )
{
 if( m_helpWindow )
 {
 m_helpWindow->ShowModeless();
 return;
 }
 
 wxString msg =
#include "dialogs/panel_setup_rules_help_md.h"
 ;
 
#ifdef __WXMAC__
 msg.Replace( wxT( "Ctrl+" ), wxT( "Cmd+" ) );
#endif
 
 m_helpWindow = new HTML_MESSAGE_BOX( nullptr, _( "Syntax Help" ) );
 m_helpWindow->SetDialogSizeInDU( 420, 320 );
 
 wxString html_txt;
 ConvertMarkdown2Html( wxGetTranslation( msg ), html_txt );
 
 html_txt.Replace( wxS( "<td" ), wxS( "<td valign=top" ) );
 m_helpWindow->AddHTML_Text( html_txt );
 
 m_helpWindow->ShowModeless();
}
 
 
void PANEL_SETUP_RULES::ImportSettingsFrom( BOARD* aBoard )
{
 if( !m_frame->Prj().IsNullProject() )
 {
 wxFileName relFile = aBoard->GetFileName();
 relFile.SetExt( FILEEXT::DesignRulesFileExtension );
 
 wxFileName absFile( aBoard->GetProject()->AbsolutePath( relFile.GetFullName() ) );
 
 if( absFile.FileExists() )
 {
 wxTextFile file( absFile.GetFullPath() );
 
 if( file.Open() )
 {
 m_textEditor->ClearAll();
 
 for ( wxString str = file.GetFirstLine(); !file.Eof(); str = file.GetNextLine() )
 {
 ConvertSmartQuotesAndDashes( &str );
 m_textEditor->AddText( str << '\n' );
 }
 
 m_textEditor->EmptyUndoBuffer();
 
 wxCommandEvent dummy;
 OnCompile( dummy );
 }
 }
 }
}