dialog_edit_symbols_libid.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright 2017 Jean-Pierre Charras, [email protected]
 * Copyright 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 <confirm.h>
#include <sch_edit_frame.h>
#include <sch_symbol.h>
#include <sch_reference_list.h>
#include <schematic.h>
#include <symbol_lib_table.h>
#include <trace_helpers.h>
#include <widgets/wx_grid.h>
 
#include <dialog_edit_symbols_libid_base.h>
#include <wx/tokenzr.h>
#include <wx/choicdlg.h>
#include <wx/dcclient.h>
#include <grid_tricks.h>
#include <widgets/grid_text_button_helpers.h>
#include <kiplatform/ui.h>
#include <string_utils.h>
 
 
#define COL_REFS 0
#define COL_CURR_LIBID 1
#define COL_NEW_LIBID 2
 
// a re-implementation of wxGridCellAutoWrapStringRenderer to allow workaround to autorowsize bug
class GRIDCELL_AUTOWRAP_STRINGRENDERER : public wxGridCellAutoWrapStringRenderer
{
public:
 int GetHeight( wxDC& aDC, wxGrid* aGrid, int aRow, int aCol );
 
 wxGridCellRenderer *Clone() const override
 { return new GRIDCELL_AUTOWRAP_STRINGRENDERER; }
 
private:
 // HELPER ROUTINES UNCHANGED FROM wxWidgets IMPLEMENTATION
 
 wxArrayString GetTextLines( wxGrid& grid, wxDC& dc, const wxGridCellAttr& attr,
 const wxRect& rect, int row, int col );
 
 // Helper methods of GetTextLines()
 
 // Break a single logical line of text into several physical lines, all of
 // which are added to the lines array. The lines are broken at maxWidth and
 // the dc is used for measuring text extent only.
 void BreakLine( wxDC& dc, const wxString& logicalLine, wxCoord maxWidth, wxArrayString& lines );
 
 // Break a word, which is supposed to be wider than maxWidth, into several
 // lines, which are added to lines array and the last, incomplete, of which
 // is returned in line output parameter.
 //
 // Returns the width of the last line.
 wxCoord BreakWord( wxDC& dc, const wxString& word, wxCoord maxWidth, wxArrayString& lines,
 wxString& line );
};
 
 
// PRIVATE METHOD UNCHANGED FROM wxWidgets IMPLEMENTATION
wxArrayString GRIDCELL_AUTOWRAP_STRINGRENDERER::GetTextLines( wxGrid& grid, wxDC& dc,
 const wxGridCellAttr& attr,
 const wxRect& rect, int row, int col )
{
 dc.SetFont( attr.GetFont() );
 const wxCoord maxWidth = rect.GetWidth();
 
 // Transform logical lines into physical ones, wrapping the longer ones.
 const wxArrayString logicalLines = wxSplit( grid.GetCellValue( row, col ), '\n', '\0' );
 
 // Trying to do anything if the column is hidden anyhow doesn't make sense
 // and we run into problems in BreakLine() in this case.
 if( maxWidth <= 0 )
 return logicalLines;
 
 wxArrayString physicalLines;
 
 for( const wxString& line : logicalLines )
 {
 if( dc.GetTextExtent( line ).x > maxWidth )
 {
 // Line does not fit, break it up.
 BreakLine( dc, line, maxWidth, physicalLines );
 }
 else // The entire line fits as is
 {
 physicalLines.push_back( line );
 }
 }
 
 return physicalLines;
}
 
 
// PRIVATE METHOD UNCHANGED FROM wxWidgets IMPLEMENTATION
void GRIDCELL_AUTOWRAP_STRINGRENDERER::BreakLine( wxDC& dc, const wxString& logicalLine,
 wxCoord maxWidth, wxArrayString& lines )
{
 wxCoord lineWidth = 0;
 wxString line;
 
 // For each word
 wxStringTokenizer wordTokenizer( logicalLine, wxS( " \t" ), wxTOKEN_RET_DELIMS );
 
 while( wordTokenizer.HasMoreTokens() )
 {
 const wxString word = wordTokenizer.GetNextToken();
 const wxCoord wordWidth = dc.GetTextExtent( word ).x;
 
 if( lineWidth + wordWidth < maxWidth )
 {
 // Word fits, just add it to this line.
 line += word;
 lineWidth += wordWidth;
 }
 else
 {
 // Word does not fit, check whether the word is itself wider that
 // available width
 if( wordWidth < maxWidth )
 {
 // Word can fit in a new line, put it at the beginning
 // of the new line.
 lines.push_back( line );
 line = word;
 lineWidth = wordWidth;
 }
 else // Word cannot fit in available width at all.
 {
 if( !line.empty() )
 {
 lines.push_back( line );
 line.clear();
 lineWidth = 0;
 }
 
 // Break it up in several lines.
 lineWidth = BreakWord( dc, word, maxWidth, lines, line );
 }
 }
 }
 
 if( !line.empty() )
 lines.push_back( line );
}
 
 
// PRIVATE METHOD UNCHANGED FROM wxWidgets IMPLEMENTATION
wxCoord GRIDCELL_AUTOWRAP_STRINGRENDERER::BreakWord( wxDC& dc, const wxString& word,
 wxCoord maxWidth, wxArrayString& lines,
 wxString& line )
{
 wxArrayInt widths;
 dc.GetPartialTextExtents( word, widths );
 
 // TODO: Use binary search to find the first element > maxWidth.
 const unsigned count = widths.size();
 unsigned n;
 
 for( n = 0; n < count; n++ )
 {
 if( widths[n] > maxWidth )
 break;
 }
 
 if( n == 0 )
 {
 // This is a degenerate case: the first character of the word is
 // already wider than the available space, so we just can't show it
 // completely and have to put the first character in this line.
 n = 1;
 }
 
 lines.push_back( word.substr( 0, n ) );
 
 // Check if the remainder of the string fits in one line.
 //
 // Unfortunately we can't use the existing partial text extents as the
 // extent of the remainder may be different when it's rendered in a
 // separate line instead of as part of the same one, so we have to
 // recompute it.
 const wxString rest = word.substr( n );
 const wxCoord restWidth = dc.GetTextExtent( rest ).x;
 
 if( restWidth <= maxWidth )
 {
 line = rest;
 return restWidth;
 }
 
 // Break the rest of the word into lines.
 //
 // TODO: Perhaps avoid recursion? The code is simpler like this but using a
 // loop in this function would probably be more efficient.
 return BreakWord( dc, rest, maxWidth, lines, line );
}
 
 
#define GRID_CELL_MARGIN 4
 
int GRIDCELL_AUTOWRAP_STRINGRENDERER::GetHeight( wxDC& aDC, wxGrid* aGrid, int aRow, int aCol )
{
 wxGridCellAttr* attr = aGrid->GetOrCreateCellAttr( aRow, aCol );
 wxRect rect;
 
 aDC.SetFont( attr->GetFont() );
 rect.SetWidth( aGrid->GetColSize( aCol ) - ( 2 * GRID_CELL_MARGIN ) );
 
 const size_t numLines = GetTextLines( *aGrid, aDC, *attr, rect, aRow, aCol ).size();
 const int textHeight = numLines * aDC.GetCharHeight();
 
 attr->DecRef();
 
 return textHeight + ( 2 * GRID_CELL_MARGIN );
}
 
 
class SYMBOL_CANDIDATE
{
public:
 SYMBOL_CANDIDATE( SCH_SYMBOL* aSymbol )
 {
 m_Symbol = aSymbol;
 m_InitialLibId = m_Symbol->GetLibId().Format();
 m_Row = -1;
 m_IsOrphan = false;
 m_Screen = nullptr;
 }
 
 // Return a string like mylib:symbol_name from the #LIB_ID of the symbol.
 wxString GetStringLibId()
 {
 return m_Symbol->GetLibId().GetUniStringLibId();
 }
 
 SCH_SYMBOL* m_Symbol; // the schematic symbol
 int m_Row; // the row index in m_grid
 SCH_SCREEN* m_Screen; // the screen where m_Symbol lives
 wxString m_Reference; // the schematic reference, only to display it in list
 wxString m_InitialLibId; // the Lib Id of the symbol before any change.
 bool m_IsOrphan; // true if a symbol has no corresponding symbol found in libs.
};
 
 
class DIALOG_EDIT_SYMBOLS_LIBID : public DIALOG_EDIT_SYMBOLS_LIBID_BASE
{
public:
 DIALOG_EDIT_SYMBOLS_LIBID( SCH_EDIT_FRAME* aParent );
 ~DIALOG_EDIT_SYMBOLS_LIBID() override;
 
 SCH_EDIT_FRAME* GetParent();
 
 bool IsSchematicModified() { return m_isModified; }
 
private:
 void initDlg();
 
 void AddRowToGrid( bool aMarkRow, const wxString& aReferences, const wxString& aStrLibId );
 
 bool validateLibIds();
 
 bool setLibIdByBrowser( int aRow );
 
 // Event handlers
 
 // called on a right click or a left double click:
 void onCellBrowseLib( wxGridEvent& event ) override;
 
 // Cancel all changes, and close the dialog
 void onCancel( wxCommandEvent& event ) override
 {
 // Just skipping the event doesn't work after the library browser was run
 if( IsQuasiModal() )
 EndQuasiModal( wxID_CANCEL );
 else
 event.Skip();
 }
 
 // Try to find a candidate for non existing symbols
 void onClickOrphansButton( wxCommandEvent& event ) override;
 
 // Automatically called when click on OK button
 bool TransferDataFromWindow() override;
 
 void AdjustGridColumns();
 
 void OnSizeGrid( wxSizeEvent& event ) override;
 
 bool m_isModified; // set to true if the schematic is modified
 std::vector<int> m_OrphansRowIndexes; // list of rows containing orphan lib_id
 
 std::vector<SYMBOL_CANDIDATE> m_symbols;
 
 GRIDCELL_AUTOWRAP_STRINGRENDERER* m_autoWrapRenderer;
};
 
 
DIALOG_EDIT_SYMBOLS_LIBID::DIALOG_EDIT_SYMBOLS_LIBID( SCH_EDIT_FRAME* aParent )
 :DIALOG_EDIT_SYMBOLS_LIBID_BASE( aParent )
{
 m_autoWrapRenderer = new GRIDCELL_AUTOWRAP_STRINGRENDERER;
 
 m_grid->PushEventHandler( new GRID_TRICKS( m_grid ) );
 
 initDlg();
 
 finishDialogSettings();
}
 
 
DIALOG_EDIT_SYMBOLS_LIBID::~DIALOG_EDIT_SYMBOLS_LIBID()
{
 // Delete the GRID_TRICKS.
 m_grid->PopEventHandler( true );
 
 m_autoWrapRenderer->DecRef();
}
 
 
// A sort compare function to sort symbols list by LIB_ID and then reference.
static bool sort_by_libid( const SYMBOL_CANDIDATE& candidate1, const SYMBOL_CANDIDATE& candidate2 )
{
 if( candidate1.m_Symbol->GetLibId() == candidate2.m_Symbol->GetLibId() )
 return candidate1.m_Reference.Cmp( candidate2.m_Reference ) < 0;
 
 return candidate1.m_Symbol->GetLibId() < candidate2.m_Symbol->GetLibId();
}
 
 
void DIALOG_EDIT_SYMBOLS_LIBID::initDlg()
{
 // Clear the FormBuilder rows
 m_grid->ClearRows();
 
 m_isModified = false;
 
 // This option build the full symbol list.
 // In complex hierarchies, the same symbol is in fact duplicated, but
 // it is listed with different references (one by sheet instance)
 // the list is larger and looks like it contains all symbols.
 const SCH_SHEET_LIST& sheets = GetParent()->Schematic().GetSheets();
 SCH_REFERENCE_LIST references;
 
 // build the full list of symbols including symbol having no symbol in loaded libs
 // (orphan symbols)
 sheets.GetSymbols( references, /* include power symbols */ true,
 /* include orphan symbols */ true );
 
 for( unsigned ii = 0; ii < references.GetCount(); ii++ )
 {
 SCH_REFERENCE& item = references[ii];
 SYMBOL_CANDIDATE candidate( item.GetSymbol() );
 candidate.m_Screen = item.GetSheetPath().LastScreen();
 SCH_SHEET_PATH sheetpath = item.GetSheetPath();
 candidate.m_Reference = candidate.m_Symbol->GetRef( &sheetpath );
 int unitcount = candidate.m_Symbol->GetUnitCount();
 candidate.m_IsOrphan = ( unitcount == 0 );
 m_symbols.push_back( candidate );
 }
 
 if( m_symbols.size() == 0 )
 return;
 
 // now sort by lib id to create groups of items having the same lib id
 std::sort( m_symbols.begin(), m_symbols.end(), sort_by_libid );
 
 // Now, fill m_grid
 wxString last_str_libid = m_symbols.front().GetStringLibId();
 int row = 0;
 wxString refs;
 wxString last_ref;
 bool mark_cell = m_symbols.front().m_IsOrphan;
 
 for( SYMBOL_CANDIDATE& symbol : m_symbols )
 {
 wxString str_libid = symbol.GetStringLibId();
 
 if( last_str_libid != str_libid )
 {
 // Add last group to grid
 AddRowToGrid( mark_cell, refs, last_str_libid );
 
 // prepare next entry
 mark_cell = symbol.m_IsOrphan;
 last_str_libid = str_libid;
 refs.Empty();
 row++;
 }
 else if( symbol.m_Reference == last_ref )
 {
 symbol.m_Row = row;
 continue;
 }
 
 last_ref = symbol.m_Reference;
 
 if( !refs.IsEmpty() )
 refs += wxT( ", " );
 
 refs += symbol.m_Reference;
 symbol.m_Row = row;
 }
 
 // Add last symbol group:
 AddRowToGrid( mark_cell, refs, last_str_libid );
 
 // Allows only the selection by row
 m_grid->SetSelectionMode( wxGrid::wxGridSelectRows );
 
 m_buttonOrphanItems->Enable( m_OrphansRowIndexes.size() > 0 );
 Layout();
}
 
 
SCH_EDIT_FRAME* DIALOG_EDIT_SYMBOLS_LIBID::GetParent()
{
 return dynamic_cast<SCH_EDIT_FRAME*>( wxDialog::GetParent() );
}
 
 
void DIALOG_EDIT_SYMBOLS_LIBID::AddRowToGrid( bool aMarkRow, const wxString& aReferences,
 const wxString& aStrLibId )
{
 int row = m_grid->GetNumberRows();
 
 if( aMarkRow ) // An orphaned symbol exists, set m_AsOrphanCmp as true.
 m_OrphansRowIndexes.push_back( row );
 
 m_grid->AppendRows( 1 );
 
 m_grid->SetCellValue( row, COL_REFS, UnescapeString( aReferences ) );
 m_grid->SetReadOnly( row, COL_REFS );
 
 m_grid->SetCellValue( row, COL_CURR_LIBID, UnescapeString( aStrLibId ) );
 m_grid->SetReadOnly( row, COL_CURR_LIBID );
 
 if( aMarkRow ) // A symbol is not existing in libraries: mark the cell
 {
 wxFont font = m_grid->GetDefaultCellFont();
 font.MakeBold();
 font.MakeItalic();
 m_grid->SetCellFont( row, COL_CURR_LIBID, font );
 }
 
 m_grid->SetCellRenderer( row, COL_REFS, m_autoWrapRenderer->Clone() );
 
 // wxWidgets' AutoRowHeight fails when used with wxGridCellAutoWrapStringRenderer
 // (fixed in 2014, but didn't get in to wxWidgets 3.0.2)
 wxClientDC dc( this );
 m_grid->SetRowSize( row, m_autoWrapRenderer->GetHeight( dc, m_grid, row, COL_REFS ) );
 
 // set new libid column browse button
 wxGridCellAttr* attr = new wxGridCellAttr;
 attr->SetEditor( new GRID_CELL_SYMBOL_ID_EDITOR( this, UnescapeString( aStrLibId ) ) );
 m_grid->SetAttr( row, COL_NEW_LIBID, attr );
}
 
 
wxString getLibIdValue( const WX_GRID* aGrid, int aRow, int aCol )
{
 wxString rawValue = aGrid->GetCellValue( aRow, aCol );
 
 if( rawValue.IsEmpty() )
 return rawValue;
 
 wxString itemName;
 wxString libName = rawValue.BeforeFirst( ':', &itemName );
 
 return EscapeString( libName, CTX_LIBID ) + ':' + EscapeString( itemName, CTX_LIBID );
}
 
 
bool DIALOG_EDIT_SYMBOLS_LIBID::validateLibIds()
{
 if( !m_grid->CommitPendingChanges() )
 return false;
 
 int row_max = m_grid->GetNumberRows() - 1;
 
 for( int row = 0; row <= row_max; row++ )
 {
 wxString new_libid = getLibIdValue( m_grid, row, COL_NEW_LIBID );
 
 if( new_libid.IsEmpty() )
 continue;
 
 // a new lib id is found. validate this new value
 LIB_ID id;
 id.Parse( new_libid );
 
 if( !id.IsValid() )
 {
 wxString msg;
 msg.Printf( _( "Symbol library identifier %s is not valid." ), new_libid );
 wxMessageBox( msg );
 
 m_grid->SetFocus();
 m_grid->MakeCellVisible( row, COL_NEW_LIBID );
 m_grid->SetGridCursor( row, COL_NEW_LIBID );
 
 m_grid->EnableCellEditControl( true );
 m_grid->ShowCellEditControl();
 
 return false;
 }
 }
 
 return true;
}
 
 
void DIALOG_EDIT_SYMBOLS_LIBID::onCellBrowseLib( wxGridEvent& event )
{
 int row = event.GetRow();
 m_grid->SelectRow( row ); // only for user, to show the selected line
 
 setLibIdByBrowser( row );
 
}
 
 
void DIALOG_EDIT_SYMBOLS_LIBID::onClickOrphansButton( wxCommandEvent& event )
{
 std::vector<wxString> libs = Prj().SchSymbolLibTable()->GetLogicalLibs();
 wxArrayString aliasNames;
 wxArrayString candidateSymbNames;
 
 unsigned fixesCount = 0;
 
 // Try to find a candidate for non existing symbols in any loaded library
 for( int orphanRow : m_OrphansRowIndexes )
 {
 wxString orphanLibid = getLibIdValue( m_grid, orphanRow, COL_CURR_LIBID );
 int grid_row_idx = orphanRow; //row index in m_grid for the current item
 
 LIB_ID curr_libid;
 curr_libid.Parse( orphanLibid, true );
 wxString symbolName = curr_libid.GetLibItemName();
 
 // number of full LIB_ID candidates (because we search for a symbol name
 // inside all available libraries, perhaps the same symbol name can be found
 // in more than one library, giving ambiguity
 int libIdCandidateCount = 0;
 candidateSymbNames.Clear();
 
 // now try to find a candidate
 for( const wxString &lib : libs )
 {
 aliasNames.Clear();
 
 try
 {
 Prj().SchSymbolLibTable()->EnumerateSymbolLib( lib, aliasNames );
 }
 catch( const IO_ERROR& ) {} // ignore, it is handled below
 
 if( aliasNames.IsEmpty() )
 continue;
 
  // Find a symbol name in symbols inside this library:
 int index = aliasNames.Index( symbolName );
 
 if( index != wxNOT_FOUND )
 {
 // a candidate is found!
 libIdCandidateCount++;
 wxString newLibid = lib + ':' + symbolName;
 
 // Uses the first found. Most of time, it is alone.
 // Others will be stored in a candidate list
 if( libIdCandidateCount <= 1 )
 {
 m_grid->SetCellValue( grid_row_idx, COL_NEW_LIBID, UnescapeString( newLibid ) );
 candidateSymbNames.Add( m_grid->GetCellValue( grid_row_idx, COL_NEW_LIBID ) );
 fixesCount++;
 }
 else // Store other candidates for later selection
 {
 candidateSymbNames.Add( UnescapeString( newLibid ) );
 }
 }
 }
 
 // If more than one LIB_ID candidate, ask for selection between candidates:
 if( libIdCandidateCount > 1 )
 {
 // Mainly for user: select the row being edited
 m_grid->SelectRow( grid_row_idx );
 
 wxString msg;
 msg.Printf( _( "Available Candidates for %s " ),
 m_grid->GetCellValue( grid_row_idx, COL_CURR_LIBID ) );
 
 wxSingleChoiceDialog dlg ( this, msg,
 wxString::Format( _( "Candidates count %d " ),
 libIdCandidateCount ),
 candidateSymbNames );
 
 if( dlg.ShowModal() == wxID_OK )
 m_grid->SetCellValue( grid_row_idx, COL_NEW_LIBID, dlg.GetStringSelection() );
 }
 }
 
 if( fixesCount < m_OrphansRowIndexes.size() ) // Not all orphan symbols are fixed.
 {
 wxMessageBox( wxString::Format( _( "%u link(s) mapped, %u not found" ),
 fixesCount,
 (unsigned) m_OrphansRowIndexes.size() - fixesCount ) );
 }
 else
 {
 wxMessageBox( wxString::Format( _( "All %u link(s) resolved" ), fixesCount ) );
 }
}
 
 
bool DIALOG_EDIT_SYMBOLS_LIBID::setLibIdByBrowser( int aRow )
{
#if 0
 // Use dialog symbol selector to choose a symbol
 SCH_BASE_FRAME::HISTORY_LIST dummy;
 SCH_BASE_FRAME::PICKED_SYMBOL sel = m_frame->SelectComponentFromLibrary( nullptr, dummy, true,
 0, 0, false );
#else
 // Use library viewer to choose a symbol
 LIB_ID preselected;
 wxString current = getLibIdValue( m_grid, aRow, COL_NEW_LIBID );
 
 if( current.IsEmpty() )
 current = getLibIdValue( m_grid, aRow, COL_CURR_LIBID );
 
 if( !current.IsEmpty() )
 preselected.Parse( current, true );
 
 PICKED_SYMBOL sel = GetParent()->PickSymbolFromLibBrowser( this, nullptr, preselected, 0, 0 );
#endif
 
 if( sel.LibId.empty() ) // command aborted
 return false;
 
 if( !sel.LibId.IsValid() ) // Should not occur
 {
 wxMessageBox( _( "Invalid symbol library identifier" ) );
 return false;
 }
 
 wxString new_libid;
 new_libid = sel.LibId.Format();
 
 m_grid->SetCellValue( aRow, COL_NEW_LIBID, UnescapeString( new_libid ) );
 
 return true;
}
 
 
bool DIALOG_EDIT_SYMBOLS_LIBID::TransferDataFromWindow()
{
 if( !validateLibIds() )
 return false;
 
 auto getName = []( const LIB_ID& aLibId )
 {
 return UnescapeString( aLibId.GetLibItemName().wx_str() );
 };
 
 int row_max = m_grid->GetNumberRows() - 1;
 
 for( int row = 0; row <= row_max; row++ )
 {
 wxString new_libid = getLibIdValue( m_grid, row, COL_NEW_LIBID );
 
 if( new_libid.IsEmpty() || new_libid == getLibIdValue( m_grid, row, COL_CURR_LIBID ) )
 continue;
 
 // A new lib id is found and was already validated.
 LIB_ID id;
 id.Parse( new_libid, true );
 
 for( SYMBOL_CANDIDATE& candidate : m_symbols )
 {
 if( candidate.m_Row != row )
 continue;
 
 LIB_SYMBOL* symbol = nullptr;
 
 try
 {
 symbol = Prj().SchSymbolLibTable()->LoadSymbol( id );
 }
 catch( const IO_ERROR& ioe )
 {
 wxString msg;
 
 msg.Printf( _( "Error loading symbol %s from library %s.\n\n%s" ),
 id.GetLibItemName().wx_str(),
 id.GetLibNickname().wx_str(),
 ioe.What() );
 
 DisplayError( this, msg );
 }
 
 if( symbol == nullptr )
 continue;
 
 GetParent()->SaveCopyInUndoList( candidate.m_Screen, candidate.m_Symbol,
 UNDO_REDO::CHANGED, m_isModified );
 m_isModified = true;
 
 candidate.m_Screen->Remove( candidate.m_Symbol );
 SCH_FIELD* value = candidate.m_Symbol->GetField( VALUE_FIELD );
 
 // If value is a proxy for the itemName then make sure it gets updated
 if( getName( candidate.m_Symbol->GetLibId() ) == value->GetText() )
 candidate.m_Symbol->SetValueFieldText( getName( id ) );
 
 candidate.m_Symbol->SetLibId( id );
 candidate.m_Symbol->SetLibSymbol( symbol->Flatten().release() );
 candidate.m_Screen->Append( candidate.m_Symbol );
 candidate.m_Screen->SetContentModified();
 
 if ( m_checkBoxUpdateFields->IsChecked() )
 {
 candidate.m_Symbol->UpdateFields( nullptr,
 false, /* update style */
 false, /* update ref */
 false, /* update other fields */
 false, /* reset ref */
 true /* reset other fields */ );
 }
 }
 }
 
 return true;
}
 
 
void DIALOG_EDIT_SYMBOLS_LIBID::AdjustGridColumns()
{
 // Account for scroll bars
 int width = KIPLATFORM::UI::GetUnobscuredSize( m_grid ).x;
 
 int colWidth = width / 3;
 
 m_grid->SetColSize( COL_REFS, colWidth );
 width -= colWidth;
 
 colWidth = 0;
 
 for( int row = 0; row < m_grid->GetNumberRows(); ++row )
 {
 wxString cellValue = m_grid->GetCellValue( row, COL_CURR_LIBID );
 colWidth = std::max( colWidth, KIUI::GetTextSize( cellValue, m_grid ).x );
 }
 
 colWidth += 20;
 m_grid->SetColSize( COL_CURR_LIBID, colWidth );
 width -= colWidth;
 
 colWidth = 0;
 
 for( int row = 0; row < m_grid->GetNumberRows(); ++row )
 {
 wxString cellValue = m_grid->GetCellValue( row, COL_NEW_LIBID );
 colWidth = std::max( colWidth, KIUI::GetTextSize( cellValue, m_grid ).x );
 }
 
 colWidth += 20;
 m_grid->SetColSize( COL_NEW_LIBID, std::max( colWidth, width ) );
}
 
 
void DIALOG_EDIT_SYMBOLS_LIBID::OnSizeGrid( wxSizeEvent& event )
{
 AdjustGridColumns();
 
 wxClientDC dc( this );
 
 // wxWidgets' AutoRowHeight fails when used with wxGridCellAutoWrapStringRenderer
 for( int row = 0; row < m_grid->GetNumberRows(); ++row )
 m_grid->SetRowSize( row, m_autoWrapRenderer->GetHeight( dc, m_grid, row, COL_REFS ) );
 
 event.Skip();
}
 
 
bool InvokeDialogEditSymbolsLibId( SCH_EDIT_FRAME* aCaller )
{
 // This dialog itself subsequently can invoke a KIWAY_PLAYER as a quasimodal
 // frame. Therefore this dialog as a modal frame parent, MUST be run under
 // quasimodal mode for the quasimodal frame support to work. So don't use
 // the QUASIMODAL macros here.
 DIALOG_EDIT_SYMBOLS_LIBID dlg( aCaller );
 
 // DO NOT use ShowModal() here, otherwise the library browser will not work properly.
 dlg.ShowQuasiModal();
 
 return dlg.IsSchematicModified();
}