dialog_lib_edit_pin_table.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 1992-2022 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 "dialog_lib_edit_pin_table.h"
#include "grid_tricks.h"
#include "lib_pin.h"
#include "pin_numbers.h"
#include "pgm_base.h"
#include <base_units.h>
#include <bitmaps.h>
#include <confirm.h>
#include <symbol_edit_frame.h>
#include <symbol_editor_settings.h>
#include <kiplatform/ui.h>
#include <widgets/grid_icon_text_helpers.h>
#include <widgets/grid_combobox.h>
#include <widgets/wx_grid.h>
#include <widgets/bitmap_button.h>
#include <widgets/std_bitmap_button.h>
#include <settings/settings_manager.h>
#include <wx/tokenzr.h>
#include <string_utils.h>
 
#define UNITS_ALL _( "ALL" )
#define DEMORGAN_ALL _( "ALL" )
#define DEMORGAN_STD _( "Standard" )
#define DEMORGAN_ALT _( "Alternate" )
 
 
void getSelectedArea( WX_GRID* aGrid, int* aRowStart, int* aRowCount )
{
 wxGridCellCoordsArray topLeft = aGrid->GetSelectionBlockTopLeft();
 wxGridCellCoordsArray botRight = aGrid->GetSelectionBlockBottomRight();
 
 wxArrayInt cols = aGrid->GetSelectedCols();
 wxArrayInt rows = aGrid->GetSelectedRows();
 
 if( topLeft.Count() && botRight.Count() )
 {
 *aRowStart = topLeft[0].GetRow();
 *aRowCount = botRight[0].GetRow() - *aRowStart + 1;
 }
 else if( cols.Count() )
 {
 *aRowStart = 0;
 *aRowCount = aGrid->GetNumberRows();
 }
 else if( rows.Count() )
 {
 *aRowStart = rows[0];
 *aRowCount = rows.Count();
 }
 else
 {
 *aRowStart = aGrid->GetGridCursorRow();
 *aRowCount = *aRowStart >= 0 ? 1 : 0;
 }
}
 
 
class PIN_TABLE_DATA_MODEL : public wxGridTableBase
{
public:
 PIN_TABLE_DATA_MODEL( SYMBOL_EDIT_FRAME* aFrame, DIALOG_LIB_EDIT_PIN_TABLE* aPinTable,
 LIB_SYMBOL* aSymbol ) :
 m_frame( aFrame ),
 m_unitFilter( -1 ),
 m_edited( false ),
 m_pinTable( aPinTable ),
 m_symbol( aSymbol )
 {
 m_eval = std::make_unique<NUMERIC_EVALUATOR>( m_frame->GetUserUnits() );
 
 m_frame->Bind( EDA_EVT_UNITS_CHANGED, &PIN_TABLE_DATA_MODEL::onUnitsChanged, this );
 }
 
 ~PIN_TABLE_DATA_MODEL()
 {
 m_frame->Unbind( EDA_EVT_UNITS_CHANGED, &PIN_TABLE_DATA_MODEL::onUnitsChanged, this );
 }
 
 void onUnitsChanged( wxCommandEvent& aEvent )
 {
 if( GetView() )
 GetView()->ForceRefresh();
 
 aEvent.Skip();
 }
 
 void SetUnitFilter( int aFilter ) { m_unitFilter = aFilter; }
 
 int GetNumberRows() override { return (int) m_rows.size(); }
 int GetNumberCols() override { return COL_COUNT; }
 
 wxString GetColLabelValue( int aCol ) override
 {
 switch( aCol )
 {
 case COL_PIN_COUNT: return _( "Count" );
 case COL_NUMBER: return _( "Number" );
 case COL_NAME: return _( "Name" );
 case COL_TYPE: return _( "Electrical Type" );
 case COL_SHAPE: return _( "Graphic Style" );
 case COL_ORIENTATION: return _( "Orientation" );
 case COL_NUMBER_SIZE: return _( "Number Text Size" );
 case COL_NAME_SIZE: return _( "Name Text Size" );
 case COL_LENGTH: return _( "Length" );
 case COL_POSX: return _( "X Position" );
 case COL_POSY: return _( "Y Position" );
 case COL_VISIBLE: return _( "Visible" );
 case COL_UNIT: return _( "Unit" );
 case COL_DEMORGAN: return _( "De Morgan" );
 default: wxFAIL; return wxEmptyString;
 }
 }
 
 bool IsEmptyCell( int row, int col ) override
 {
 return false; // don't allow adjacent cell overflow, even if we are actually empty
 }
 
 wxString GetValue( int aRow, int aCol ) override
 {
 wxGrid* grid = GetView();
 
 if( grid->GetGridCursorRow() == aRow && grid->GetGridCursorCol() == aCol
 && grid->IsCellEditControlShown() )
 {
 auto it = m_evalOriginal.find( { m_rows[ aRow ], aCol } );
 
 if( it != m_evalOriginal.end() )
 return it->second;
 }
 
 return GetValue( m_rows[ aRow ], aCol, m_frame );
 }
 
 static wxString GetValue( const LIB_PINS& pins, int aCol, EDA_DRAW_FRAME* aParentFrame )
 {
 wxString fieldValue;
 
 if( pins.empty() )
 return fieldValue;
 
 for( LIB_PIN* pin : pins )
 {
 wxString val;
 
 switch( aCol )
 {
 case COL_PIN_COUNT:
 val << pins.size();
 break;
 
 case COL_NUMBER:
 val = pin->GetNumber();
 break;
 
 case COL_NAME:
 val = pin->GetName();
 break;
 
 case COL_TYPE:
 val = PinTypeNames()[static_cast<int>( pin->GetType() )];
 break;
 
 case COL_SHAPE:
 val = PinShapeNames()[static_cast<int>( pin->GetShape() )];
 break;
 
 case COL_ORIENTATION:
 if( PinOrientationIndex( pin->GetOrientation() ) >= 0 )
 val = PinOrientationNames()[ PinOrientationIndex( pin->GetOrientation() ) ];
 
 break;
 
 case COL_NUMBER_SIZE:
 val = aParentFrame->StringFromValue( pin->GetNumberTextSize(), true );
 break;
 
 case COL_NAME_SIZE:
 val = aParentFrame->StringFromValue( pin->GetNameTextSize(), true );
 break;
 
 case COL_LENGTH:
 val = aParentFrame->StringFromValue( pin->GetLength(), true );
 break;
 
 case COL_POSX:
 val = aParentFrame->StringFromValue( pin->GetPosition().x, true );
 break;
 
 case COL_POSY:
 val = aParentFrame->StringFromValue( -pin->GetPosition().y, true );
 break;
 
 case COL_VISIBLE:
 val = StringFromBool( pin->IsVisible() );
 break;
 
 case COL_UNIT:
 if( pin->GetUnit() )
 val = LIB_SYMBOL::LetterSubReference( pin->GetUnit(), 'A' );
 else
 val = UNITS_ALL;
 break;
 
 case COL_DEMORGAN:
 switch( pin->GetConvert() )
 {
 case LIB_ITEM::LIB_CONVERT::BASE:
 val = DEMORGAN_STD;
 break;
 case LIB_ITEM::LIB_CONVERT::DEMORGAN:
 val = DEMORGAN_ALT;
 break;
 default:
 val = DEMORGAN_ALL;
 break;
 }
 break;
 
 default:
 wxFAIL;
 break;
 }
 
 if( aCol == COL_NUMBER )
 {
 if( fieldValue.length() )
 fieldValue += wxT( ", " );
 fieldValue += val;
 }
 else
 {
 if( !fieldValue.Length() )
 fieldValue = val;
 else if( val != fieldValue )
 fieldValue = INDETERMINATE_STATE;
 }
 }
 
 return fieldValue;
 }
 
 void SetValue( int aRow, int aCol, const wxString &aValue ) override
 {
 if( aValue == INDETERMINATE_STATE )
 return;
 
 wxString value = aValue;
 
 switch( aCol )
 {
 case COL_NUMBER_SIZE:
 case COL_NAME_SIZE:
 case COL_LENGTH:
 case COL_POSX:
 case COL_POSY:
 m_eval->SetDefaultUnits( m_frame->GetUserUnits() );
 
 if( m_eval->Process( value ) )
 {
 m_evalOriginal[ { m_rows[ aRow ], aCol } ] = value;
 value = m_eval->Result();
 }
 
 break;
 
 default:
 break;
 }
 
 LIB_PINS pins = m_rows[ aRow ];
 
 // If the NUMBER column is edited and the pins are grouped, renumber, and add or
 // remove pins based on the comma separated list of pins.
 if( aCol == COL_NUMBER && m_pinTable->IsDisplayGrouped() )
 {
 wxStringTokenizer tokenizer( value, "," );
 size_t i = 0;
 
 while( tokenizer.HasMoreTokens() )
 {
 wxString pinName = tokenizer.GetNextToken();
 
 // Trim whitespace from both ends of the string
 pinName.Trim( true ).Trim( false );
 
 if( i < pins.size() )
 {
 // Renumber the existing pins
 pins.at( i )->SetNumber( pinName );
 }
 else
 {
 // Create new pins
 LIB_PIN* newPin = new LIB_PIN( this->m_symbol );
 LIB_PIN* last = pins.back();
 
 newPin->SetNumber( pinName );
 newPin->SetName( last->GetName() );
 newPin->SetOrientation( last->GetOrientation() );
 newPin->SetType( last->GetType() );
 newPin->SetShape( last->GetShape() );
 newPin->SetUnit( last->GetUnit() );
 
 VECTOR2I pos = last->GetPosition();
 
 auto* cfg = Pgm().GetSettingsManager().GetAppSettings<SYMBOL_EDITOR_SETTINGS>();
 
 if( last->GetOrientation() == PIN_ORIENTATION::PIN_LEFT
 || last->GetOrientation() == PIN_ORIENTATION::PIN_RIGHT )
 {
 pos.y -= schIUScale.MilsToIU( cfg->m_Repeat.pin_step );
 }
 else
 {
 pos.x += schIUScale.MilsToIU( cfg->m_Repeat.pin_step );
 }
 
 newPin->SetPosition( pos );
 
 pins.push_back( newPin );
 m_pinTable->AddPin( newPin );
 }
 
 i++;
 }
 
 while( pins.size() > i )
 {
 m_pinTable->RemovePin( pins.back() );
 pins.pop_back();
 }
 
 m_rows[aRow] = pins;
 m_edited = true;
 
 return;
 }
 
 for( LIB_PIN* pin : pins )
 {
 switch( aCol )
 {
 case COL_NUMBER:
 if( !m_pinTable->IsDisplayGrouped() )
 pin->SetNumber( value );
 
 break;
 
 case COL_NAME:
 pin->SetName( value );
 break;
 
 case COL_TYPE:
 if( PinTypeNames().Index( value ) != wxNOT_FOUND )
 pin->SetType( (ELECTRICAL_PINTYPE) PinTypeNames().Index( value ) );
 
 break;
 
 case COL_SHAPE:
 if( PinShapeNames().Index( value ) != wxNOT_FOUND )
 pin->SetShape( (GRAPHIC_PINSHAPE) PinShapeNames().Index( value ) );
 
 break;
 
 case COL_ORIENTATION:
 if( PinOrientationNames().Index( value ) != wxNOT_FOUND )
 pin->SetOrientation( PinOrientationCode( PinOrientationNames().Index( value ) ) );
 break;
 
 case COL_NUMBER_SIZE:
 pin->SetNumberTextSize( m_frame->ValueFromString( value ) );
 break;
 
 case COL_NAME_SIZE:
 pin->SetNameTextSize( m_frame->ValueFromString( value ) );
 break;
 
 case COL_LENGTH:
 pin->ChangeLength( m_frame->ValueFromString( value ) );
 break;
 
 case COL_POSX:
 pin->SetPosition( VECTOR2I( m_frame->ValueFromString( value ),
 pin->GetPosition().y ) );
 break;
 
 case COL_POSY:
 pin->SetPosition( VECTOR2I( pin->GetPosition().x,
 -m_frame->ValueFromString( value ) ) );
 break;
 
 case COL_VISIBLE:
 pin->SetVisible(BoolFromString( value ));
 break;
 
 case COL_UNIT:
 if( value == UNITS_ALL )
 {
 pin->SetUnit( 0 );
 }
 else
 {
 for( int i = 1; i <= m_symbol->GetUnitCount(); i++ )
 {
 if( value == LIB_SYMBOL::LetterSubReference( i, 'A' ) )
 {
 pin->SetUnit( i );
 break;
 }
 }
 }
 break;
 
 case COL_DEMORGAN:
 if( value == DEMORGAN_STD )
 pin->SetConvert( 1 );
 else if( value == DEMORGAN_ALT )
 pin->SetConvert( 2 );
 else
 pin->SetConvert( 0 );
 break;
 
 default:
 wxFAIL;
 break;
 }
 }
 
 m_edited = true;
 }
 
 static int findRow( const std::vector<LIB_PINS>& aRowSet, const wxString& aName )
 {
 for( size_t i = 0; i < aRowSet.size(); ++i )
 {
 if( aRowSet[ i ][ 0 ] && aRowSet[ i ][ 0 ]->GetName() == aName )
 return i;
 }
 
 return -1;
 }
 
 static bool compare( const LIB_PINS& lhs, const LIB_PINS& rhs, int sortCol, bool ascending,
 EDA_DRAW_FRAME* parentFrame )
 {
 wxString lhStr = GetValue( lhs, sortCol, parentFrame );
 wxString rhStr = GetValue( rhs, sortCol, parentFrame );
 
 if( lhStr == rhStr )
 {
 // Secondary sort key is always COL_NUMBER
 sortCol = COL_NUMBER;
 lhStr = GetValue( lhs, sortCol, parentFrame );
 rhStr = GetValue( rhs, sortCol, parentFrame );
 }
 
 bool res;
 
 // N.B. To meet the iterator sort conditions, we cannot simply invert the truth
 // to get the opposite sort. i.e. ~(a<b) != (a>b)
 auto cmp = [ ascending ]( const auto a, const auto b )
 {
 if( ascending )
 return a < b;
 else
 return b < a;
 };
 
 switch( sortCol )
 {
 case COL_NUMBER:
 case COL_NAME:
 res = cmp( PIN_NUMBERS::Compare( lhStr, rhStr ), 0 );
 break;
 case COL_NUMBER_SIZE:
 case COL_NAME_SIZE:
 res = cmp( parentFrame->ValueFromString( lhStr ),
 parentFrame->ValueFromString( rhStr ) );
 break;
 case COL_LENGTH:
 case COL_POSX:
 case COL_POSY:
 res = cmp( parentFrame->ValueFromString( lhStr ),
 parentFrame->ValueFromString( rhStr ) );
 break;
 case COL_VISIBLE:
 case COL_DEMORGAN:
 default:
 res = cmp( StrNumCmp( lhStr, rhStr ), 0 );
 break;
 }
 
 return res;
 }
 
 void RebuildRows( const LIB_PINS& aPins, bool groupByName, bool groupBySelection )
 {
 WX_GRID* grid = dynamic_cast<WX_GRID*>( GetView() );
 std::vector<LIB_PIN*> clear_flags;
 
 clear_flags.reserve( aPins.size() );
 
 if( grid )
 {
 if( groupBySelection )
 {
 for( LIB_PIN* pin : aPins )
 pin->ClearTempFlags();
 
 int firstSelectedRow;
 int selectedRowCount;
 
 getSelectedArea( grid, &firstSelectedRow, &selectedRowCount );
 
 for( int ii = 0; ii < selectedRowCount; ++ii )
 {
 for( LIB_PIN* pin : m_rows[ firstSelectedRow + ii ] )
 {
 pin->SetFlags( CANDIDATE );
 clear_flags.push_back( pin );
 }
 }
 }
 
 // Commit any pending in-place edits before the row gets moved out from under
 // the editor.
 grid->CommitPendingChanges( true );
 
 wxGridTableMessage msg( this, wxGRIDTABLE_NOTIFY_ROWS_DELETED, 0, m_rows.size() );
 GetView()->ProcessTableMessage( msg );
 }
 
 m_rows.clear();
 
 if( groupBySelection )
 m_rows.emplace_back( LIB_PINS() );
 
 for( LIB_PIN* pin : aPins )
 {
 if( m_unitFilter == -1 || pin->GetUnit() == 0 || pin->GetUnit() == m_unitFilter )
 {
 int rowIndex = -1;
 
 if( groupByName )
 rowIndex = findRow( m_rows, pin->GetName() );
 else if( groupBySelection && ( pin->GetFlags() & CANDIDATE ) )
 rowIndex = 0;
 
 if( rowIndex < 0 )
 {
 m_rows.emplace_back( LIB_PINS() );
 rowIndex = m_rows.size() - 1;
 }
 
 m_rows[ rowIndex ].push_back( pin );
 }
 }
 
 int sortCol = 0;
 bool ascending = true;
 
 if( GetView() && GetView()->GetSortingColumn() != wxNOT_FOUND )
 {
 sortCol = GetView()->GetSortingColumn();
 ascending = GetView()->IsSortOrderAscending();
 }
 
 for( LIB_PINS& row : m_rows )
 SortPins( row );
 
 if( !groupBySelection )
 SortRows( sortCol, ascending );
 
 if ( GetView() )
 {
 wxGridTableMessage msg( this, wxGRIDTABLE_NOTIFY_ROWS_APPENDED, m_rows.size() );
 GetView()->ProcessTableMessage( msg );
 
 if( groupBySelection )
 GetView()->SelectRow( 0 );
 }
 
 for( LIB_PIN* pin : clear_flags )
 pin->ClearFlags( CANDIDATE );
 }
 
 void SortRows( int aSortCol, bool ascending )
 {
 std::sort( m_rows.begin(), m_rows.end(),
 [ aSortCol, ascending, this ]( const LIB_PINS& lhs, const LIB_PINS& rhs ) -> bool
 {
 return compare( lhs, rhs, aSortCol, ascending, m_frame );
 } );
 }
 
 void SortPins( LIB_PINS& aRow )
 {
 std::sort( aRow.begin(), aRow.end(),
 []( LIB_PIN* lhs, LIB_PIN* rhs ) -> bool
 {
 return PIN_NUMBERS::Compare( lhs->GetNumber(), rhs->GetNumber() ) < 0;
 } );
 }
 
 void AppendRow( LIB_PIN* aPin )
 {
 LIB_PINS row;
 row.push_back( aPin );
 m_rows.push_back( row );
 
 if ( GetView() )
 {
 wxGridTableMessage msg( this, wxGRIDTABLE_NOTIFY_ROWS_APPENDED, 1 );
 GetView()->ProcessTableMessage( msg );
 }
 }
 
 LIB_PINS RemoveRow( int aRow )
 {
 LIB_PINS removedRow = m_rows[ aRow ];
 
 m_rows.erase( m_rows.begin() + aRow );
 
 if ( GetView() )
 {
 wxGridTableMessage msg( this, wxGRIDTABLE_NOTIFY_ROWS_DELETED, aRow, 1 );
 GetView()->ProcessTableMessage( msg );
 }
 
 return removedRow;
 }
 
 LIB_PINS GetRowPins( int aRow )
 {
 return m_rows[ aRow ];
 }
 
 bool IsEdited()
 {
 return m_edited;
 }
 
private:
 static wxString StringFromBool( bool aValue )
 {
 if( aValue )
 return wxT( "1" );
 else
 return wxT( "0" );
 }
 
 static bool BoolFromString( wxString aValue )
 {
 if( aValue == wxS( "1" ) )
 {
 return true;
 }
 else if( aValue == wxS( "0" ) )
 {
 return false;
 }
 else
 {
 wxFAIL_MSG( wxString::Format( "string '%s' can't be converted to boolean correctly, "
 "it will have been perceived as FALSE",
 aValue ) );
 return false;
 }
 }
 
private:
 SYMBOL_EDIT_FRAME* m_frame;
 
 // Because the rows of the grid can either be a single pin or a group of pins, the
 // data model is a 2D vector. If we're in the single pin case, each row's LIB_PINS
 // contains only a single pin.
 std::vector<LIB_PINS> m_rows;
 int m_unitFilter; // 0 to show pins for all units
 
 bool m_edited;
 
 DIALOG_LIB_EDIT_PIN_TABLE* m_pinTable;
 LIB_SYMBOL* m_symbol; // Parent symbol that the pins belong to.
 
 std::unique_ptr<NUMERIC_EVALUATOR> m_eval;
 std::map< std::pair<LIB_PINS, int>, wxString > m_evalOriginal;
};
 
 
DIALOG_LIB_EDIT_PIN_TABLE::DIALOG_LIB_EDIT_PIN_TABLE( SYMBOL_EDIT_FRAME* parent,
 LIB_SYMBOL* aSymbol ) :
 DIALOG_LIB_EDIT_PIN_TABLE_BASE( parent ),
 m_editFrame( parent ),
 m_symbol( aSymbol )
{
 m_dataModel = new PIN_TABLE_DATA_MODEL( m_editFrame, this, this->m_symbol );
 
 // Save original columns widths so we can do proportional sizing.
 for( int i = 0; i < COL_COUNT; ++i )
 m_originalColWidths[ i ] = m_grid->GetColSize( i );
 
 // Give a bit more room for combobox editors
 m_grid->SetDefaultRowSize( m_grid->GetDefaultRowSize() + 4 );
 
 m_grid->SetTable( m_dataModel );
 m_grid->PushEventHandler( new GRID_TRICKS( m_grid, [this]( wxCommandEvent& aEvent )
 {
 OnAddRow( aEvent );
 } ) );
 
 // Show/hide columns according to the user's preference
 if( SYMBOL_EDITOR_SETTINGS* cfg = parent->GetSettings() )
 {
 m_grid->ShowHideColumns( cfg->m_PinTableVisibleColumns );
 m_columnsShown = m_grid->GetShownColumns();
 }
 
 // Set special attributes
 wxGridCellAttr* attr;
 
 attr = new wxGridCellAttr;
 attr->SetReadOnly( true );
 m_grid->SetColAttr( COL_PIN_COUNT, attr );
 
 attr = new wxGridCellAttr;
 wxArrayString typeNames = PinTypeNames();
 typeNames.push_back( INDETERMINATE_STATE );
 attr->SetRenderer( new GRID_CELL_ICON_TEXT_RENDERER( PinTypeIcons(), typeNames ) );
 attr->SetEditor( new GRID_CELL_ICON_TEXT_POPUP( PinTypeIcons(), typeNames ) );
 m_grid->SetColAttr( COL_TYPE, attr );
 
 attr = new wxGridCellAttr;
 wxArrayString shapeNames = PinShapeNames();
 shapeNames.push_back( INDETERMINATE_STATE );
 attr->SetRenderer( new GRID_CELL_ICON_TEXT_RENDERER( PinShapeIcons(), shapeNames ) );
 attr->SetEditor( new GRID_CELL_ICON_TEXT_POPUP( PinShapeIcons(), shapeNames ) );
 m_grid->SetColAttr( COL_SHAPE, attr );
 
 attr = new wxGridCellAttr;
 wxArrayString orientationNames = PinOrientationNames();
 orientationNames.push_back( INDETERMINATE_STATE );
 attr->SetRenderer( new GRID_CELL_ICON_TEXT_RENDERER( PinOrientationIcons(),
 orientationNames ) );
 attr->SetEditor( new GRID_CELL_ICON_TEXT_POPUP( PinOrientationIcons(), orientationNames ) );
 m_grid->SetColAttr( COL_ORIENTATION, attr );
 
 attr = new wxGridCellAttr;
 wxArrayString unitNames;
 unitNames.push_back( UNITS_ALL );
 
 for( int i = 1; i <= aSymbol->GetUnitCount(); i++ )
 unitNames.push_back( LIB_SYMBOL::LetterSubReference( i, 'A' ) );
 
 attr->SetEditor( new GRID_CELL_COMBOBOX( unitNames ) );
 m_grid->SetColAttr( COL_UNIT, attr );
 
 attr = new wxGridCellAttr;
 wxArrayString demorganNames;
 demorganNames.push_back( DEMORGAN_ALL );
 demorganNames.push_back( DEMORGAN_STD );
 demorganNames.push_back( DEMORGAN_ALT );
 attr->SetEditor( new GRID_CELL_COMBOBOX( demorganNames ) );
 m_grid->SetColAttr( COL_DEMORGAN, attr );
 
 attr = new wxGridCellAttr;
 attr->SetRenderer( new wxGridCellBoolRenderer() );
 attr->SetEditor( new wxGridCellBoolEditor() );
 attr->SetAlignment( wxALIGN_CENTER, wxALIGN_CENTER );
 m_grid->SetColAttr( COL_VISIBLE, attr );
 
 /* Right-aligned position values look much better, but only MSW and GTK2+
 * currently support right-aligned textEditCtrls, so the text jumps on all
 * the other platforms when you edit it.
 attr = new wxGridCellAttr;
 attr->SetAlignment( wxALIGN_RIGHT, wxALIGN_TOP );
 m_grid->SetColAttr( COL_POSX, attr );
 
 attr = new wxGridCellAttr;
 attr->SetAlignment( wxALIGN_RIGHT, wxALIGN_TOP );
 m_grid->SetColAttr( COL_POSY, attr );
 */
 
 m_addButton->SetBitmap( KiBitmapBundle( BITMAPS::small_plus ) );
 m_deleteButton->SetBitmap( KiBitmapBundle( BITMAPS::small_trash ) );
 m_refreshButton->SetBitmap( KiBitmapBundle( BITMAPS::small_refresh ) );
 
 m_divider1->SetIsSeparator();
 m_divider2->SetIsSeparator();
 
 GetSizer()->SetSizeHints(this);
 Centre();
 
 if( aSymbol->IsMulti() )
 {
 m_unitFilter->Append( UNITS_ALL );
 
 for( int ii = 0; ii < aSymbol->GetUnitCount(); ++ii )
 m_unitFilter->Append( aSymbol->GetUnitReference( ii + 1 ) );
 
 m_unitFilter->SetSelection( -1 );
 }
 else
 {
 m_cbFilterByUnit->Show( false );
 m_unitFilter->Show( false );
 }
 
 SetupStandardButtons();
 
 if( !parent->IsSymbolEditable() || parent->IsSymbolAlias() )
 {
 m_ButtonsCancel->SetDefault();
 m_ButtonsOK->SetLabel( _( "Read Only" ) );
 m_ButtonsOK->Enable( false );
 }
 
 m_initialized = true;
 m_modified = false;
 
 // Connect Events
 m_grid->Connect( wxEVT_GRID_COL_SORT,
 wxGridEventHandler( DIALOG_LIB_EDIT_PIN_TABLE::OnColSort ), nullptr, this );
}
 
 
DIALOG_LIB_EDIT_PIN_TABLE::~DIALOG_LIB_EDIT_PIN_TABLE()
{
 if( SYMBOL_EDITOR_SETTINGS* cfg = m_editFrame->GetSettings() )
 cfg->m_PinTableVisibleColumns = m_grid->GetShownColumnsAsString();
 
 // Disconnect Events
 m_grid->Disconnect( wxEVT_GRID_COL_SORT,
 wxGridEventHandler( DIALOG_LIB_EDIT_PIN_TABLE::OnColSort ), nullptr, this );
 
 // Prevents crash bug in wxGrid's d'tor
 m_grid->DestroyTable( m_dataModel );
 
 // Delete the GRID_TRICKS.
 m_grid->PopEventHandler( true );
 
 // This is our copy of the pins. If they were transferred to the part on an OK, then
 // m_pins will already be empty.
 for( LIB_PIN* pin : m_pins )
 delete pin;
 
 WINDOW_THAWER thawer( m_editFrame );
 
 m_editFrame->FocusOnItem( nullptr );
 m_editFrame->GetCanvas()->Refresh();
}
 
 
bool DIALOG_LIB_EDIT_PIN_TABLE::TransferDataToWindow()
{
 // Make a copy of the pins for editing
 std::vector<LIB_PIN*> pins = m_symbol->GetAllLibPins();
 
 for( LIB_PIN* pin : pins )
 m_pins.push_back( new LIB_PIN( *pin ) );
 
 m_dataModel->RebuildRows( m_pins, m_cbGroup->GetValue(), false );
 
 if( m_symbol->IsMulti() )
 m_grid->ShowCol( COL_UNIT );
 else
 m_grid->HideCol( COL_UNIT );
 
 if( m_editFrame->GetShowDeMorgan() )
 m_grid->ShowCol( COL_DEMORGAN );
 else
 m_grid->HideCol( COL_DEMORGAN );
 
 updateSummary();
 
 return true;
}
 
 
bool DIALOG_LIB_EDIT_PIN_TABLE::TransferDataFromWindow()
{
 if( !m_grid->CommitPendingChanges() )
 return false;
 
 // Delete the part's pins
 std::vector<LIB_PIN*> pins = m_symbol->GetAllLibPins();
 
 for( LIB_PIN* pin : pins )
 m_symbol->RemoveDrawItem( pin );
 
 // Transfer our pins to the part
 for( LIB_PIN* pin : m_pins )
 {
 m_symbol->AddDrawItem( pin );
 }
 
 m_pins.clear();
 
 return true;
}
 
 
void DIALOG_LIB_EDIT_PIN_TABLE::OnColSort( wxGridEvent& aEvent )
{
 int sortCol = aEvent.GetCol();
 bool ascending;
 
 // This is bonkers, but wxWidgets doesn't tell us ascending/descending in the
 // event, and if we ask it will give us pre-event info.
 if( m_grid->IsSortingBy( sortCol ) )
 // same column; invert ascending
 ascending = !m_grid->IsSortOrderAscending();
 else
 // different column; start with ascending
 ascending = true;
 
 m_dataModel->SortRows( sortCol, ascending );
}
 
 
void DIALOG_LIB_EDIT_PIN_TABLE::OnAddRow( wxCommandEvent& event )
{
 if( !m_grid->CommitPendingChanges() )
 return;
 
 LIB_PIN* newPin = new LIB_PIN( this->m_symbol );
 
 // Copy the settings of the last pin onto the new pin.
 if( m_pins.size() > 0 )
 {
 LIB_PIN* last = m_pins.back();
 
 newPin->SetOrientation( last->GetOrientation() );
 newPin->SetType( last->GetType() );
 newPin->SetShape( last->GetShape() );
 newPin->SetUnit( last->GetUnit() );
 
 VECTOR2I pos = last->GetPosition();
 
 SYMBOL_EDITOR_SETTINGS* cfg = m_editFrame->GetSettings();
 
 if( last->GetOrientation() == PIN_ORIENTATION::PIN_LEFT
 || last->GetOrientation() == PIN_ORIENTATION::PIN_RIGHT )
 {
 pos.y -= schIUScale.MilsToIU( cfg->m_Repeat.pin_step );
 }
 else
 {
 pos.x += schIUScale.MilsToIU( cfg->m_Repeat.pin_step );
 }
 
 newPin->SetPosition( pos );
 }
 
 m_pins.push_back( newPin );
 
 m_dataModel->AppendRow( m_pins[ m_pins.size() - 1 ] );
 
 m_grid->MakeCellVisible( m_grid->GetNumberRows() - 1, 1 );
 m_grid->SetGridCursor( m_grid->GetNumberRows() - 1, 1 );
 
 m_grid->EnableCellEditControl( true );
 m_grid->ShowCellEditControl();
 
 updateSummary();
}
 
 
void DIALOG_LIB_EDIT_PIN_TABLE::AddPin( LIB_PIN* pin )
{
 m_pins.push_back( pin );
 updateSummary();
}
 
 
void DIALOG_LIB_EDIT_PIN_TABLE::OnDeleteRow( wxCommandEvent& event )
{
 // TODO: handle delete of multiple rows....
 
 if( !m_grid->CommitPendingChanges() )
 return;
 
 if( m_pins.size() == 0 ) // empty table
 return;
 
 int curRow = m_grid->GetGridCursorRow();
 
 if( curRow < 0 )
 return;
 
 LIB_PINS removedRow = m_dataModel->RemoveRow( curRow );
 
 for( LIB_PIN* pin : removedRow )
 m_pins.erase( std::find( m_pins.begin(), m_pins.end(), pin ) );
 
 curRow = std::min( curRow, m_grid->GetNumberRows() - 1 );
 m_grid->GoToCell( curRow, m_grid->GetGridCursorCol() );
 m_grid->SetGridCursor( curRow, m_grid->GetGridCursorCol() );
 m_grid->SelectRow( curRow );
 
 updateSummary();
}
 
 
void DIALOG_LIB_EDIT_PIN_TABLE::RemovePin( LIB_PIN* pin )
{
 m_pins.erase( std::find( m_pins.begin(), m_pins.end(), pin ) );
 updateSummary();
}
 
 
void DIALOG_LIB_EDIT_PIN_TABLE::OnCellEdited( wxGridEvent& event )
{
 updateSummary();
}
 
 
void DIALOG_LIB_EDIT_PIN_TABLE::OnCellSelected( wxGridEvent& event )
{
 LIB_PIN* pin = nullptr;
 
 if( event.GetRow() >= 0 && event.GetRow() < m_dataModel->GetNumberRows() )
 {
 const LIB_PINS& pins = m_dataModel->GetRowPins( event.GetRow() );
 
 if( pins.size() == 1 && m_editFrame->GetCurSymbol() )
 {
 for( LIB_PIN* candidate : m_editFrame->GetCurSymbol()->GetAllLibPins() )
 {
 if( candidate->GetNumber() == pins.at( 0 )->GetNumber() )
 {
 pin = candidate;
 break;
 }
 }
 }
 }
 
 WINDOW_THAWER thawer( m_editFrame );
 
 m_editFrame->FocusOnItem( pin );
 m_editFrame->GetCanvas()->Refresh();
}
 
 
bool DIALOG_LIB_EDIT_PIN_TABLE::IsDisplayGrouped()
{
 return m_cbGroup->GetValue();
}
 
 
void DIALOG_LIB_EDIT_PIN_TABLE::OnGroupSelected( wxCommandEvent& event )
{
 m_cbGroup->SetValue( false );
 
 m_dataModel->RebuildRows( m_pins, false, true );
 
 m_grid->ShowCol( COL_PIN_COUNT );
 m_grid->SetColLabelAlignment( wxALIGN_CENTER, wxALIGN_CENTER );
 
 adjustGridColumns();
}
 
 
void DIALOG_LIB_EDIT_PIN_TABLE::OnRebuildRows( wxCommandEvent& )
{
 if( !m_grid->CommitPendingChanges() )
 return;
 
 m_dataModel->RebuildRows( m_pins, m_cbGroup->GetValue(), false );
 
 if( m_cbGroup->GetValue() )
 {
 m_grid->ShowCol( COL_PIN_COUNT );
 m_grid->SetColLabelAlignment( wxALIGN_CENTER, wxALIGN_CENTER );
 }
 
 adjustGridColumns();
}
 
 
void DIALOG_LIB_EDIT_PIN_TABLE::OnFilterCheckBox( wxCommandEvent& event )
{
 if( event.IsChecked() )
 {
 m_dataModel->SetUnitFilter( m_unitFilter->GetSelection() );
 }
 else
 {
 m_dataModel->SetUnitFilter( -1 );
 m_unitFilter->SetSelection( -1 );
 }
 
 OnRebuildRows( event );
}
 
 
void DIALOG_LIB_EDIT_PIN_TABLE::OnFilterChoice( wxCommandEvent& event )
{
 m_cbFilterByUnit->SetValue( true );
 m_dataModel->SetUnitFilter( m_unitFilter->GetSelection() );
 
 OnRebuildRows( event );
}
 
 
void DIALOG_LIB_EDIT_PIN_TABLE::adjustGridColumns()
{
 // Account for scroll bars
 int width = KIPLATFORM::UI::GetUnobscuredSize( m_grid ).x;
 
 wxGridUpdateLocker deferRepaintsTillLeavingScope;
 
 // The Number and Name columns must be at least wide enough to hold their contents, but
 // no less wide than their original widths.
 
 m_grid->AutoSizeColumn( COL_NUMBER );
 
 if( m_grid->GetColSize( COL_NUMBER ) < m_originalColWidths[ COL_NUMBER ] )
 m_grid->SetColSize( COL_NUMBER, m_originalColWidths[ COL_NUMBER ] );
 
 m_grid->AutoSizeColumn( COL_NAME );
 
 if( m_grid->GetColSize( COL_NAME ) < m_originalColWidths[ COL_NAME ] )
 m_grid->SetColSize( COL_NAME, m_originalColWidths[ COL_NAME ] );
 
 // If the grid is still wider than the columns, then stretch the Number and Name columns
 // to fit.
 
 for( int i = 0; i < COL_COUNT; ++i )
 width -= m_grid->GetColSize( i );
 
 if( width > 0 )
 {
 m_grid->SetColSize( COL_NUMBER, m_grid->GetColSize( COL_NUMBER ) + width / 2 );
 m_grid->SetColSize( COL_NAME, m_grid->GetColSize( COL_NAME ) + width / 2 );
 }
}
 
 
void DIALOG_LIB_EDIT_PIN_TABLE::OnSize( wxSizeEvent& event )
{
 wxSize new_size = event.GetSize();
 
 if( m_initialized && m_size != new_size )
 {
 m_size = new_size;
 
 adjustGridColumns();
 }
 
 // Always propagate for a grid repaint (needed if the height changes, as well as width)
 event.Skip();
}
 
 
void DIALOG_LIB_EDIT_PIN_TABLE::OnUpdateUI( wxUpdateUIEvent& event )
{
 std::bitset<64> columnsShown = m_grid->GetShownColumns();
 
 if( columnsShown != m_columnsShown )
 {
 m_columnsShown = columnsShown;
 
 if( !m_grid->IsCellEditControlShown() )
 adjustGridColumns();
 }
 
 int firstSelectedRow;
 int selectedRowCount;
 
 getSelectedArea( m_grid, &firstSelectedRow, &selectedRowCount );
 
 if( ( selectedRowCount > 1 ) != m_groupSelected->IsEnabled() )
 m_groupSelected->Enable( selectedRowCount > 1 );
}
 
 
void DIALOG_LIB_EDIT_PIN_TABLE::OnCancel( wxCommandEvent& event )
{
 Close();
}
 
 
void DIALOG_LIB_EDIT_PIN_TABLE::OnClose( wxCloseEvent& event )
{
 // This is a cancel, so commit quietly as we're going to throw the results away anyway.
 m_grid->CommitPendingChanges( true );
 
 int retval = wxID_CANCEL;
 
 if( m_dataModel->IsEdited() )
 {
 if( HandleUnsavedChanges( this, _( "Save changes?" ),
 [&]() -> bool
 {
 if( TransferDataFromWindow() )
 {
 retval = wxID_OK;
 return true;
 }
 
 return false;
 } ) )
 {
 if( IsQuasiModal() )
 EndQuasiModal( retval );
 else
 EndDialog( retval );
 
 return;
 }
 else
 {
 event.Veto();
 return;
 }
 }
 
 // No change in dialog: we can close it
 if( IsQuasiModal() )
 EndQuasiModal( retval );
 else
 EndDialog( retval );
 
 return;
}
 
 
void DIALOG_LIB_EDIT_PIN_TABLE::updateSummary()
{
 PIN_NUMBERS pinNumbers;
 
 for( LIB_PIN* pin : m_pins )
 {
 if( pin->GetNumber().Length() )
 pinNumbers.insert( pin->GetNumber() );
 }
 
 m_pin_numbers_summary->SetLabel( pinNumbers.GetSummary() );
 m_pin_count->SetLabel( wxString::Format( wxT( "%u" ), (unsigned) m_pins.size() ) );
 m_duplicate_pins->SetLabel( pinNumbers.GetDuplicates() );
 
 Layout();
}