panel_setup_netclasses.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2004-2009 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright (C) 2009 Dick Hollenbeck, [email protected]
 * Copyright (C) 2009-2023 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 <algorithm>
 
#include <pgm_base.h>
#include <eda_draw_frame.h>
#include <bitmaps.h>
#include <netclass.h>
#include <confirm.h>
#include <grid_tricks.h>
#include <dialogs/panel_setup_netclasses.h>
#include <tool/tool_manager.h>
#include <string_utils.h>
#include <widgets/grid_color_swatch_helpers.h>
#include <widgets/grid_icon_text_helpers.h>
#include <widgets/wx_html_report_box.h>
#include <widgets/wx_panel.h>
#include <widgets/std_bitmap_button.h>
#include <project/net_settings.h>
 
 
// columns of netclasses grid
enum {
 GRID_NAME = 0,
 
 GRID_FIRST_PCBNEW,
 GRID_CLEARANCE = GRID_FIRST_PCBNEW,
 GRID_TRACKSIZE,
 GRID_VIASIZE,
 GRID_VIADRILL,
 GRID_uVIASIZE,
 GRID_uVIADRILL,
 GRID_DIFF_PAIR_WIDTH,
 GRID_DIFF_PAIR_GAP,
 
 GRID_FIRST_EESCHEMA,
 GRID_WIREWIDTH = GRID_FIRST_EESCHEMA,
 GRID_BUSWIDTH,
 GRID_SCHEMATIC_COLOR,
 GRID_LINESTYLE,
 
 GRID_END
};
 
std::vector<BITMAPS> g_lineStyleIcons;
wxArrayString g_lineStyleNames;
 
 
PANEL_SETUP_NETCLASSES::PANEL_SETUP_NETCLASSES( wxWindow* aParentWindow, EDA_DRAW_FRAME* aFrame,
 std::shared_ptr<NET_SETTINGS> aNetSettings,
 const std::set<wxString>& aNetNames,
 bool aIsEEschema ) :
 PANEL_SETUP_NETCLASSES_BASE( aParentWindow ),
 m_frame( aFrame ),
 m_isEEschema( aIsEEschema ),
 m_netSettings( aNetSettings ),
 m_netNames( aNetNames ),
 m_hoveredCol( -1 ),
 m_lastNetclassGridWidth( -1 )
{
 // Clear and re-load each time. Language (or darkmode) might have changed.
 g_lineStyleIcons.clear();
 g_lineStyleNames.clear();
 
 g_lineStyleIcons.push_back( BITMAPS::stroke_solid );
 g_lineStyleNames.push_back( _( "Solid" ) );
 g_lineStyleIcons.push_back( BITMAPS::stroke_dash );
 g_lineStyleNames.push_back( _( "Dashed" ) );
 g_lineStyleIcons.push_back( BITMAPS::stroke_dot );
 g_lineStyleNames.push_back( _( "Dotted" ) );
 g_lineStyleIcons.push_back( BITMAPS::stroke_dashdot );
 g_lineStyleNames.push_back( _( "Dash-Dot" ) );
 g_lineStyleIcons.push_back( BITMAPS::stroke_dashdotdot );
 g_lineStyleNames.push_back( _( "Dash-Dot-Dot" ) );
 
 m_netclassesDirty = true;
 
 m_schUnitsProvider = std::make_unique<UNITS_PROVIDER>( schIUScale, m_frame->GetUserUnits() );
 m_pcbUnitsProvider = std::make_unique<UNITS_PROVIDER>( pcbIUScale, m_frame->GetUserUnits() );
 
 m_netclassesPane->SetBorders( true, false, false, false );
 m_membershipPane->SetBorders( true, false, false, false );
 
 // Prevent Size events from firing before we are ready
 Freeze();
 m_netclassGrid->BeginBatch();
 m_assignmentGrid->BeginBatch();
 
 m_originalColWidths = new int[ m_netclassGrid->GetNumberCols() ];
 // Calculate a min best size to handle longest usual numeric values:
 int const min_best_width = m_netclassGrid->GetTextExtent( "555,555555 mils" ).x;
 
 for( int i = 0; i < m_netclassGrid->GetNumberCols(); ++i )
 {
 // We calculate the column min size only from texts sizes, not using the initial col width
 // as this initial width is sometimes strange depending on the language (wxGrid bug?)
 int const min_width = m_netclassGrid->GetVisibleWidth( i, true, true );
 
 int const weighted_min_best_width = ( i == GRID_LINESTYLE ) ? min_best_width * 3 / 2
 : min_best_width;
 
 m_netclassGrid->SetColMinimalWidth( i, min_width );
 
 // We use a "best size" >= min_best_width
 m_originalColWidths[ i ] = std::max( min_width, weighted_min_best_width );
 m_netclassGrid->SetColSize( i, m_originalColWidths[ i ] );
 }
 
 for( int i = GRID_FIRST_PCBNEW; i < GRID_END; ++i )
 {
 if( i >= GRID_FIRST_EESCHEMA )
 {
 m_netclassGrid->SetUnitsProvider( m_schUnitsProvider.get(), i );
 
 if( !m_isEEschema )
 {
 m_netclassGrid->HideCol( i );
 m_originalColWidths[ i ] = 0;
 }
 }
 else
 {
 m_netclassGrid->SetUnitsProvider( m_pcbUnitsProvider.get(), i );
 
 if( m_isEEschema )
 {
 m_netclassGrid->HideCol( i );
 m_originalColWidths[ i ] = 0;
 }
 }
 }
 
 wxGridCellAttr* attr = new wxGridCellAttr;
 attr->SetRenderer( new GRID_CELL_COLOR_RENDERER( PAGED_DIALOG::GetDialog( this ) ) );
 attr->SetEditor( new GRID_CELL_COLOR_SELECTOR( PAGED_DIALOG::GetDialog( this ), m_netclassGrid ) );
 m_netclassGrid->SetColAttr( GRID_SCHEMATIC_COLOR, attr );
 
 attr = new wxGridCellAttr;
 attr->SetRenderer( new GRID_CELL_ICON_TEXT_RENDERER( g_lineStyleIcons, g_lineStyleNames ) );
 attr->SetEditor( new GRID_CELL_ICON_TEXT_POPUP( g_lineStyleIcons, g_lineStyleNames ) );
 m_netclassGrid->SetColAttr( GRID_LINESTYLE, attr );
 
 if( m_isEEschema )
 m_colorDefaultHelpText->SetFont( KIUI::GetInfoFont( this ).Italic() );
 else
 m_colorDefaultHelpText->Hide();
 
 m_netclassGrid->SetAutoEvalCols( { GRID_WIREWIDTH,
 GRID_BUSWIDTH,
 GRID_CLEARANCE,
 GRID_TRACKSIZE,
 GRID_VIASIZE,
 GRID_VIADRILL,
 GRID_uVIASIZE,
 GRID_uVIADRILL,
 GRID_DIFF_PAIR_WIDTH,
 GRID_DIFF_PAIR_GAP } );
 
 
 // Be sure the column labels are readable
 m_netclassGrid->EnsureColLabelsVisible();
 
 // Membership combobox editors require a bit more room, so increase the row size of
 // all our grids for consistency
 m_netclassGrid->SetDefaultRowSize( m_netclassGrid->GetDefaultRowSize() + 4 );
 m_assignmentGrid->SetDefaultRowSize( m_assignmentGrid->GetDefaultRowSize() + 4 );
 
 m_netclassGrid->PushEventHandler( new GRID_TRICKS( m_netclassGrid ) );
 m_assignmentGrid->PushEventHandler( new GRID_TRICKS( m_assignmentGrid ) );
 
 m_netclassGrid->SetSelectionMode( wxGrid::wxGridSelectRows );
 m_assignmentGrid->SetSelectionMode( wxGrid::wxGridSelectRows );
 
 COMMON_SETTINGS* cfg = Pgm().GetCommonSettings();
 m_splitter->SetSashPosition( cfg->m_NetclassPanel.sash_pos );
 
 m_addButton->SetBitmap( KiBitmap( BITMAPS::small_plus ) );
 m_removeButton->SetBitmap( KiBitmap( BITMAPS::small_trash ) );
 
 m_addAssignmentButton->SetBitmap( KiBitmap( BITMAPS::small_plus ) );
 m_removeAssignmentButton->SetBitmap( KiBitmap( BITMAPS::small_trash ) );
 
 // wxFormBuilder doesn't include this event...
 m_netclassGrid->Connect( wxEVT_GRID_CELL_CHANGING,
 wxGridEventHandler( PANEL_SETUP_NETCLASSES::OnNetclassGridCellChanging ),
 nullptr, this );
 
 // Handle tooltips for grid
 m_netclassGrid->GetGridColLabelWindow()->Bind( wxEVT_MOTION,
 &PANEL_SETUP_NETCLASSES::OnNetclassGridMouseEvent,
 this );
 
 m_frame->Bind( EDA_EVT_UNITS_CHANGED, &PANEL_SETUP_NETCLASSES::onUnitsChanged, this );
 
 m_netclassGrid->EndBatch();
 m_assignmentGrid->EndBatch();
 Thaw();
 
 m_matchingNets->SetFont( KIUI::GetInfoFont( this ) );
}
 
 
PANEL_SETUP_NETCLASSES::~PANEL_SETUP_NETCLASSES()
{
 COMMON_SETTINGS* cfg = Pgm().GetCommonSettings();
 cfg->m_NetclassPanel.sash_pos = m_splitter->GetSashPosition();
 
 delete [] m_originalColWidths;
 
 // Delete the GRID_TRICKS.
 m_netclassGrid->PopEventHandler( true );
 m_assignmentGrid->PopEventHandler( true );
 
 m_netclassGrid->Disconnect( wxEVT_GRID_CELL_CHANGING,
 wxGridEventHandler( PANEL_SETUP_NETCLASSES::OnNetclassGridCellChanging ),
 nullptr, this );
 
 m_frame->Unbind( EDA_EVT_UNITS_CHANGED, &PANEL_SETUP_NETCLASSES::onUnitsChanged, this );
}
 
 
void PANEL_SETUP_NETCLASSES::onUnitsChanged( wxCommandEvent& aEvent )
{
 std::shared_ptr<NET_SETTINGS> tempNetSettings = std::make_shared<NET_SETTINGS>( nullptr, "" );
 std::shared_ptr<NET_SETTINGS> saveNetSettings = m_netSettings;
 
 m_netSettings = tempNetSettings;
 
 TransferDataFromWindow();
 
 m_schUnitsProvider->SetUserUnits( m_frame->GetUserUnits() );
 m_pcbUnitsProvider->SetUserUnits( m_frame->GetUserUnits() );
 
 TransferDataToWindow();
 
 m_netSettings = saveNetSettings;
 
 aEvent.Skip();
}
 
 
bool PANEL_SETUP_NETCLASSES::TransferDataToWindow()
{
 int row = 0;
 
 auto netclassToGridRow =
 [&]( int aRow, const std::shared_ptr<NETCLASS>& nc )
 {
 m_netclassGrid->SetCellValue( aRow, GRID_NAME, nc->GetName() );
 
 m_netclassGrid->SetUnitValue( aRow, GRID_WIREWIDTH, nc->GetWireWidth() );
 m_netclassGrid->SetUnitValue( aRow, GRID_BUSWIDTH, nc->GetBusWidth() );
 
 wxString colorAsString = nc->GetSchematicColor().ToCSSString();
 m_netclassGrid->SetCellValue( aRow, GRID_SCHEMATIC_COLOR, colorAsString );
 
 int lineStyleIdx = std::max( 0, nc->GetLineStyle() );
 
 if( lineStyleIdx >= (int) g_lineStyleNames.size() )
 lineStyleIdx = 0;
 
 m_netclassGrid->SetCellValue( aRow, GRID_LINESTYLE,
 g_lineStyleNames[ lineStyleIdx ] );
 m_netclassGrid->SetUnitValue( aRow, GRID_CLEARANCE, nc->GetClearance() );
 m_netclassGrid->SetUnitValue( aRow, GRID_TRACKSIZE, nc->GetTrackWidth() );
 m_netclassGrid->SetUnitValue( aRow, GRID_VIASIZE, nc->GetViaDiameter() );
 m_netclassGrid->SetUnitValue( aRow, GRID_VIADRILL, nc->GetViaDrill() );
 m_netclassGrid->SetUnitValue( aRow, GRID_uVIASIZE, nc->GetuViaDiameter() );
 m_netclassGrid->SetUnitValue( aRow, GRID_uVIADRILL, nc->GetuViaDrill() );
 m_netclassGrid->SetUnitValue( aRow, GRID_DIFF_PAIR_WIDTH, nc->GetDiffPairWidth() );
 m_netclassGrid->SetUnitValue( aRow, GRID_DIFF_PAIR_GAP, nc->GetDiffPairGap() );
 };
 
 m_netclassGrid->ClearRows();
 
 // enter the Default NETCLASS.
 m_netclassGrid->AppendRows( 1 );
 netclassToGridRow( row++, m_netSettings->m_DefaultNetClass );
 
 // make the Default NETCLASS name read-only
 wxGridCellAttr* cellAttr = m_netclassGrid->GetOrCreateCellAttr( 0, GRID_NAME );
 cellAttr->SetReadOnly();
 cellAttr->DecRef();
 
 // enter other netclasses
 m_netclassGrid->AppendRows( (int) m_netSettings->m_NetClasses.size() );
 
 for( const auto& [ name, netclass ] : m_netSettings->m_NetClasses )
 netclassToGridRow( row++, netclass );
 
 m_assignmentGrid->ClearRows();
 m_assignmentGrid->AppendRows( m_netSettings->m_NetClassPatternAssignments.size() );
 row = 0;
 
 for( const auto& [ matcher, netclassName ] : m_netSettings->m_NetClassPatternAssignments )
 {
 m_assignmentGrid->SetCellValue( row, 0, matcher->GetPattern() );
 m_assignmentGrid->SetCellValue( row, 1, netclassName );
 row++;
 }
 
 AdjustAssignmentGridColumns( GetSize().x * 3 / 5 );
 
 return true;
}
 
 
void PANEL_SETUP_NETCLASSES::rebuildNetclassDropdowns()
{
 m_assignmentGrid->CommitPendingChanges( true );
 
 wxArrayString netclassNames;
 
 for( int ii = 0; ii < m_netclassGrid->GetNumberRows(); ii++ )
 {
 wxString netclassName = m_netclassGrid->GetCellValue( ii, GRID_NAME );
 
 if( !netclassName.IsEmpty() )
 netclassNames.push_back( netclassName );
 }
 
 wxGridCellAttr* attr = new wxGridCellAttr;
 attr->SetEditor( new wxGridCellChoiceEditor( netclassNames ) );
 m_assignmentGrid->SetColAttr( 1, attr );
}
 
 
bool PANEL_SETUP_NETCLASSES::TransferDataFromWindow()
{
 if( !Validate() )
 return false;
 
 int row = 0;
 
 auto gridRowToNetclass =
 [&]( int aRow, const std::shared_ptr<NETCLASS>& nc )
 {
 nc->SetName( m_netclassGrid->GetCellValue( aRow, GRID_NAME ) );
 
 nc->SetWireWidth( m_netclassGrid->GetUnitValue( aRow, GRID_WIREWIDTH ) );
 nc->SetBusWidth( m_netclassGrid->GetUnitValue( aRow, GRID_BUSWIDTH ) );
 
 wxString color = m_netclassGrid->GetCellValue( aRow, GRID_SCHEMATIC_COLOR );
 nc->SetSchematicColor( wxColour( color ) );
 
 wxString lineStyle = m_netclassGrid->GetCellValue( aRow, GRID_LINESTYLE );
 nc->SetLineStyle( g_lineStyleNames.Index( lineStyle ) );
 wxASSERT_MSG( nc->GetLineStyle() >= 0, "Line style name not found." );
 
 nc->SetClearance( m_netclassGrid->GetUnitValue( aRow, GRID_CLEARANCE ) );
 nc->SetTrackWidth( m_netclassGrid->GetUnitValue( aRow, GRID_TRACKSIZE ) );
 nc->SetViaDiameter( m_netclassGrid->GetUnitValue( aRow, GRID_VIASIZE ) );
 nc->SetViaDrill( m_netclassGrid->GetUnitValue( aRow, GRID_VIADRILL ) );
 nc->SetuViaDiameter( m_netclassGrid->GetUnitValue( aRow, GRID_uVIASIZE ) );
 nc->SetuViaDrill( m_netclassGrid->GetUnitValue( aRow, GRID_uVIADRILL ) );
 nc->SetDiffPairWidth( m_netclassGrid->GetUnitValue( aRow, GRID_DIFF_PAIR_WIDTH ) );
 nc->SetDiffPairGap( m_netclassGrid->GetUnitValue( aRow, GRID_DIFF_PAIR_GAP ) );
 };
 
 m_netSettings->m_NetClasses.clear();
 
 // Copy the default NetClass:
 gridRowToNetclass( row++, m_netSettings->m_DefaultNetClass );
 
 // Copy other NetClasses:
 for( row = 1; row < m_netclassGrid->GetNumberRows(); ++row )
 {
 auto nc = std::make_shared<NETCLASS>( m_netclassGrid->GetCellValue( row, GRID_NAME ) );
 gridRowToNetclass( row, nc );
 m_netSettings->m_NetClasses[ nc->GetName() ] = nc;
 }
 
 m_netSettings->m_NetClassPatternAssignments.clear();
 
 for( row = 0; row < m_assignmentGrid->GetNumberRows(); ++row )
 {
 wxString pattern = m_assignmentGrid->GetCellValue( row, 0 );
 wxString netclass = m_assignmentGrid->GetCellValue( row, 1 );
 
 m_netSettings->m_NetClassPatternAssignments.push_back(
 {
 std::make_unique<EDA_COMBINED_MATCHER>( pattern, CTX_NETCLASS ),
 netclass
 } );
 
 m_netSettings->m_NetClassPatternAssignmentCache.clear();
 }
 
 return true;
}
 
 
bool PANEL_SETUP_NETCLASSES::validateNetclassName( int aRow, const wxString& aName,
 bool focusFirst )
{
 wxString tmp = aName;
 
 tmp.Trim( true );
 tmp.Trim( false );
 
 if( tmp.IsEmpty() )
 {
 wxString msg = _( "Netclass must have a name." );
 PAGED_DIALOG::GetDialog( this )->SetError( msg, this, m_netclassGrid, aRow, GRID_NAME );
 return false;
 }
 
 for( int ii = 0; ii < m_netclassGrid->GetNumberRows(); ii++ )
 {
 if( ii != aRow && m_netclassGrid->GetCellValue( ii, GRID_NAME ).CmpNoCase( tmp ) == 0 )
 {
 wxString msg = _( "Netclass name already in use." );
 PAGED_DIALOG::GetDialog( this )->SetError( msg, this, m_netclassGrid,
 focusFirst ? aRow : ii, GRID_NAME );
 return false;
 }
 }
 
 return true;
}
 
 
void PANEL_SETUP_NETCLASSES::OnNetclassGridCellChanging( wxGridEvent& event )
{
 if( event.GetCol() == GRID_NAME )
 {
 if( validateNetclassName( event.GetRow(), event.GetString() ) )
 {
 wxString oldName = m_netclassGrid->GetCellValue( event.GetRow(), GRID_NAME );
 wxString newName = event.GetString();
 
 if( !oldName.IsEmpty() )
 {
 for( int row = 0; row < m_assignmentGrid->GetNumberRows(); ++row )
 {
 if( m_assignmentGrid->GetCellValue( row, 1 ) == oldName )
 m_assignmentGrid->SetCellValue( row, 1, newName );
 }
 }
 
 m_netclassesDirty = true;
 }
 else
 {
 event.Veto();
 }
 }
}
 
 
void PANEL_SETUP_NETCLASSES::OnNetclassGridMouseEvent( wxMouseEvent& aEvent )
{
 int col = m_netclassGrid->XToCol( aEvent.GetPosition().x );
 
 if( aEvent.Moving() || aEvent.Entering() )
 {
 aEvent.Skip();
 
 if( col == wxNOT_FOUND )
 {
 m_netclassGrid->GetGridColLabelWindow()->UnsetToolTip();
 return;
 }
 
 if( col == m_hoveredCol )
 return;
 
 m_hoveredCol = col;
 
 wxString tip;
 
  switch( col )
 {
 case GRID_CLEARANCE: tip = _( "Minimum copper clearance" ); break;
 case GRID_TRACKSIZE: tip = _( "Minimum track width" ); break;
 case GRID_VIASIZE: tip = _( "Via pad diameter" ); break;
 case GRID_VIADRILL: tip = _( "Via plated hole diameter" ); break;
 case GRID_uVIASIZE: tip = _( "Microvia pad diameter" ); break;
 case GRID_uVIADRILL: tip = _( "Microvia plated hole diameter" ); break;
 case GRID_DIFF_PAIR_WIDTH: tip = _( "Differential pair track width" ); break;
 case GRID_DIFF_PAIR_GAP: tip = _( "Differential pair gap" ); break;
 case GRID_WIREWIDTH: tip = _( "Schematic wire thickness" ); break;
 case GRID_BUSWIDTH: tip = _( "Bus wire thickness" ); break;
 case GRID_SCHEMATIC_COLOR: tip = _( "Schematic wire color" ); break;
 case GRID_LINESTYLE: tip = _( "Schematic wire line style" ); break;
 }
 
 m_netclassGrid->GetGridColLabelWindow()->UnsetToolTip();
 m_netclassGrid->GetGridColLabelWindow()->SetToolTip( tip );
 }
 else if( aEvent.Leaving() )
 {
 m_netclassGrid->GetGridColLabelWindow()->UnsetToolTip();
 aEvent.Skip();
 }
 
 aEvent.Skip();
}
 
 
void PANEL_SETUP_NETCLASSES::OnAddNetclassClick( wxCommandEvent& event )
{
 if( !m_netclassGrid->CommitPendingChanges() )
 return;
 
 int row = m_netclassGrid->GetNumberRows();
 m_netclassGrid->AppendRows();
 
 // Copy values of the default class:
 for( int col = 1; col < m_netclassGrid->GetNumberCols(); col++ )
 m_netclassGrid->SetCellValue( row, col, m_netclassGrid->GetCellValue( 0, col ) );
 
 m_netclassGrid->MakeCellVisible( row, 0 );
 m_netclassGrid->SetGridCursor( row, 0 );
 
 m_netclassGrid->EnableCellEditControl( true );
  m_netclassGrid->ShowCellEditControl();
 
 m_netclassesDirty = true;
}
 
 
void PANEL_SETUP_NETCLASSES::OnRemoveNetclassClick( wxCommandEvent& event )
{
 if( !m_netclassGrid->CommitPendingChanges() )
 return;
 
 int curRow = m_netclassGrid->GetGridCursorRow();
 
 if( curRow < 0 )
 {
 return;
 }
 else if( curRow == 0 )
 {
 DisplayErrorMessage( this, _( "The default net class is required." ) );
 return;
 }
 
 // reset the net class to default for members of the removed class
 wxString classname = m_netclassGrid->GetCellValue( curRow, GRID_NAME );
 
 for( int row = 0; row < m_assignmentGrid->GetNumberRows(); ++row )
 {
 if( m_assignmentGrid->GetCellValue( row, 1 ) == classname )
 m_assignmentGrid->SetCellValue( row, 1, NETCLASS::Default );
 }
 
 m_netclassGrid->DeleteRows( curRow, 1 );
 
 m_netclassGrid->MakeCellVisible( std::max( 0, curRow-1 ), m_netclassGrid->GetGridCursorCol() );
 m_netclassGrid->SetGridCursor( std::max( 0, curRow-1 ), m_netclassGrid->GetGridCursorCol() );
 
 m_netclassesDirty = true;
}
 
 
void PANEL_SETUP_NETCLASSES::AdjustNetclassGridColumns( int aWidth )
{
 if( aWidth != m_lastNetclassGridWidth )
 {
 m_lastNetclassGridWidth = aWidth;
 
 // Account for scroll bars
 aWidth -= ( m_netclassGrid->GetSize().x - m_netclassGrid->GetClientSize().x );
 
 for( int i = 1; i < m_netclassGrid->GetNumberCols(); i++ )
 {
 m_netclassGrid->SetColSize( i, m_originalColWidths[ i ] );
 aWidth -= m_originalColWidths[ i ];
 }
 
 m_netclassGrid->SetColSize( 0, std::max( aWidth - 2, m_originalColWidths[ 0 ] ) );
 }
}
 
 
void PANEL_SETUP_NETCLASSES::OnSizeNetclassGrid( wxSizeEvent& event )
{
 AdjustNetclassGridColumns( event.GetSize().GetX() );
 
 event.Skip();
}
 
 
void PANEL_SETUP_NETCLASSES::OnAddAssignmentClick( wxCommandEvent& event )
{
 if( !m_assignmentGrid->CommitPendingChanges() )
 return;
 
 int row = m_assignmentGrid->GetNumberRows();
 m_assignmentGrid->AppendRows();
 
 m_assignmentGrid->SetCellValue( row, 1, m_netSettings->m_DefaultNetClass->GetName() );
 
 m_assignmentGrid->MakeCellVisible( row, 0 );
 m_assignmentGrid->SetGridCursor( row, 0 );
 
 m_assignmentGrid->EnableCellEditControl( true );
 m_assignmentGrid->ShowCellEditControl();
}
 
 
void PANEL_SETUP_NETCLASSES::OnRemoveAssignmentClick( wxCommandEvent& event )
{
 if( !m_assignmentGrid->CommitPendingChanges() )
 return;
 
 int curRow = m_assignmentGrid->GetGridCursorRow();
 
 if( curRow < 0 )
 return;
 
 m_assignmentGrid->DeleteRows( curRow, 1 );
 
 if( m_assignmentGrid->GetNumberRows() > 0 )
 {
 m_assignmentGrid->MakeCellVisible( std::max( 0, curRow-1 ), 0 );
 m_assignmentGrid->SetGridCursor( std::max( 0, curRow-1 ), 0 );
 }
}
 
 
void PANEL_SETUP_NETCLASSES::AdjustAssignmentGridColumns( int aWidth )
{
 // Account for scroll bars
 aWidth -= ( m_assignmentGrid->GetSize().x - m_assignmentGrid->GetClientSize().x );
 
 int classNameWidth = 160;
 m_assignmentGrid->SetColSize( 1, classNameWidth );
 m_assignmentGrid->SetColSize( 0, std::max( aWidth - classNameWidth, classNameWidth ) );
}
 
 
void PANEL_SETUP_NETCLASSES::OnSizeAssignmentGrid( wxSizeEvent& event )
{
 AdjustAssignmentGridColumns( event.GetSize().GetX() );
 
 event.Skip();
}
 
 
void PANEL_SETUP_NETCLASSES::OnUpdateUI( wxUpdateUIEvent& event )
{
 if( m_netclassesDirty )
 {
 rebuildNetclassDropdowns();
 m_netclassesDirty = false;
 }
 
 if( m_assignmentGrid->GetNumberRows() == 0 )
 return;
 
 wxString pattern;
 int row = m_assignmentGrid->GetGridCursorRow();
 int col = m_assignmentGrid->GetGridCursorCol();
 
 if( row >= 0 )
 pattern = m_assignmentGrid->GetCellValue( row, 0 );
 
 if( col == 0 && m_assignmentGrid->IsCellEditControlShown() )
 {
 wxGridCellEditor* cellEditor = m_assignmentGrid->GetCellEditor( row, 0 );
 
 if( wxTextEntry* txt = dynamic_cast<wxTextEntry*>( cellEditor->GetControl() ) )
 pattern = txt->GetValue();
 
 cellEditor->DecRef();
 }
 
 if( pattern != m_lastPattern )
 {
 m_matchingNets->Clear();
 
 if( !pattern.IsEmpty() )
 {
 EDA_COMBINED_MATCHER matcher( pattern, CTX_NETCLASS );
 
 m_matchingNets->Report( wxString::Format( _( "<b>Nets matching '%s':</b>" ),
 pattern ) );
 
 for( const wxString& net : m_netNames )
 {
 if( matcher.StartsWith( net ) )
 m_matchingNets->Report( net );
 }
 }
 
 m_matchingNets->Flush();
 m_lastPattern = pattern;
 }
}
 
 
bool PANEL_SETUP_NETCLASSES::Validate()
{
 if( !m_netclassGrid->CommitPendingChanges() || !m_assignmentGrid->CommitPendingChanges() )
 return false;
 
 wxString msg;
 
 // Test net class parameters.
 for( int row = 0; row < m_netclassGrid->GetNumberRows(); row++ )
 {
 wxString netclassName = m_netclassGrid->GetCellValue( row, GRID_NAME );
 netclassName.Trim( true );
 netclassName.Trim( false );
 
 if( !validateNetclassName( row, netclassName, false ) )
 return false;
 }
 
 return true;
}
 
 
void PANEL_SETUP_NETCLASSES::ImportSettingsFrom( const std::shared_ptr<NET_SETTINGS>& aNetSettings )
{
 std::shared_ptr<NET_SETTINGS> savedSettings = m_netSettings;
 
 m_netSettings = aNetSettings;
 TransferDataToWindow();
 
 rebuildNetclassDropdowns();
 
 m_netclassGrid->ForceRefresh();
 m_assignmentGrid->ForceRefresh();
 
 m_netSettings = savedSettings;
}