dialog_field_properties.cpp

Go to the documentation of this file.

/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2012 Jean-Pierre Charras, [email protected]
 * Copyright (C) 2016 Wayne Stambaugh, [email protected]
 * Copyright (C) 2004-2022 KiCad Developers, see AITHORS.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 <widgets/bitmap_button.h>
#include <widgets/font_choice.h>
#include <widgets/color_swatch.h>
#include <settings/color_settings.h>
#include <bitmaps.h>
#include <kiway.h>
#include <confirm.h>
#include <string_utils.h>
#include <sch_base_frame.h>
#include <sch_edit_frame.h>
#include <ee_collectors.h>
#include <sch_symbol.h>
#include <lib_field.h>
#include <template_fieldnames.h>
#include <symbol_library.h>
#include <sch_validators.h>
#include <schematic.h>
#include <dialog_field_properties.h>
#include <sch_text.h>
#include <scintilla_tricks.h>
#include <wildcards_and_files_ext.h>
 
 
DIALOG_FIELD_PROPERTIES::DIALOG_FIELD_PROPERTIES( SCH_BASE_FRAME* aParent, const wxString& aTitle,
 const EDA_TEXT* aTextItem ) :
 DIALOG_FIELD_PROPERTIES_BASE( aParent, wxID_ANY, aTitle ),
 m_posX( aParent, m_xPosLabel, m_xPosCtrl, m_xPosUnits, true ),
 m_posY( aParent, m_yPosLabel, m_yPosCtrl, m_yPosUnits, true ),
 m_textSize( aParent, m_textSizeLabel, m_textSizeCtrl, m_textSizeUnits, true ),
 m_font( nullptr ),
 m_firstFocus( true ),
 m_scintillaTricks( nullptr )
{
 COLOR_SETTINGS* colorSettings = aParent->GetColorSettings();
 COLOR4D schematicBackground = colorSettings->GetColor( LAYER_SCHEMATIC_BACKGROUND );
 
 wxASSERT( aTextItem );
 
 m_note->SetFont( KIUI::GetInfoFont( this ).Italic() );
 m_note->Show( false );
 
 // The field ID and power status are Initialized in the derived object's ctor.
 m_fieldId = VALUE_FIELD;
 m_isPower = false;
 
 m_scintillaTricks = new SCINTILLA_TRICKS( m_StyledTextCtrl, wxT( "{}" ), true,
 [this]()
 {
 wxPostEvent( this, wxCommandEvent( wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK ) );
 } );
 m_StyledTextCtrl->SetEOLMode( wxSTC_EOL_LF ); // Normalize EOL across platforms
 
 m_textColorSwatch->SetDefaultColor( COLOR4D::UNSPECIFIED );
 m_textColorSwatch->SetSwatchBackground( schematicBackground );
 
 m_separator1->SetIsSeparator();
 
 m_horizontal->SetIsRadioButton();
 m_horizontal->SetBitmap( KiBitmap( BITMAPS::text_horizontal ) );
 m_vertical->SetIsRadioButton();
 m_vertical->SetBitmap( KiBitmap( BITMAPS::text_vertical ) );
 
 m_separator2->SetIsSeparator();
 
 m_bold->SetIsCheckButton();
 m_bold->SetBitmap( KiBitmap( BITMAPS::text_bold ) );
 m_italic->SetIsCheckButton();
 m_italic->SetBitmap( KiBitmap( BITMAPS::text_italic ) );
 
 m_separator3->SetIsSeparator();
 
 m_hAlignLeft->SetIsRadioButton();
 m_hAlignLeft->SetBitmap( KiBitmap( BITMAPS::text_align_left ) );
 m_hAlignCenter->SetIsRadioButton();
 m_hAlignCenter->SetBitmap( KiBitmap( BITMAPS::text_align_center ) );
 m_hAlignRight->SetIsRadioButton();
 m_hAlignRight->SetBitmap( KiBitmap( BITMAPS::text_align_right ) );
 
 m_separator4->SetIsSeparator();
 
 m_vAlignTop->SetIsRadioButton();
 m_vAlignTop->SetBitmap( KiBitmap( BITMAPS::text_valign_top ) );
 m_vAlignCenter->SetIsRadioButton();
 m_vAlignCenter->SetBitmap( KiBitmap( BITMAPS::text_valign_center ) );
 m_vAlignBottom->SetIsRadioButton();
 m_vAlignBottom->SetBitmap( KiBitmap( BITMAPS::text_valign_bottom ) );
 
 m_separator5->SetIsSeparator();
 
 m_horizontal->Bind( wxEVT_BUTTON, &DIALOG_FIELD_PROPERTIES::onOrientButton, this );
 m_vertical->Bind( wxEVT_BUTTON, &DIALOG_FIELD_PROPERTIES::onOrientButton, this );
 
 m_hAlignLeft->Bind( wxEVT_BUTTON, &DIALOG_FIELD_PROPERTIES::onHAlignButton, this );
 m_hAlignCenter->Bind( wxEVT_BUTTON, &DIALOG_FIELD_PROPERTIES::onHAlignButton, this );
 m_hAlignRight->Bind( wxEVT_BUTTON, &DIALOG_FIELD_PROPERTIES::onHAlignButton, this );
 
 m_vAlignTop->Bind( wxEVT_BUTTON, &DIALOG_FIELD_PROPERTIES::onVAlignButton, this );
 m_vAlignCenter->Bind( wxEVT_BUTTON, &DIALOG_FIELD_PROPERTIES::onVAlignButton, this );
 m_vAlignBottom->Bind( wxEVT_BUTTON, &DIALOG_FIELD_PROPERTIES::onVAlignButton, this );
 
 m_text = aTextItem->GetText();
 m_isItalic = aTextItem->IsItalic();
 m_isBold = aTextItem->IsBold();
 m_color = aTextItem->GetTextColor();
 m_position = aTextItem->GetTextPos();
 m_size = aTextItem->GetTextWidth();
 m_isVertical = aTextItem->GetTextAngle().IsVertical();
 m_verticalJustification = aTextItem->GetVertJustify();
 m_horizontalJustification = aTextItem->GetHorizJustify();
 m_isVisible = aTextItem->IsVisible();
 
 // These should be initialized in the child classes implementing dialogs for lib and sch items.
 m_isNameVisible = false;
 m_allowAutoplace = true;
}
 
 
DIALOG_FIELD_PROPERTIES::~DIALOG_FIELD_PROPERTIES()
{
 delete m_scintillaTricks;
}
 
 
void DIALOG_FIELD_PROPERTIES::init()
{
 SCH_BASE_FRAME* parent = GetParent();
 bool isSymbolEditor = parent && parent->IsType( FRAME_SCH_SYMBOL_EDITOR );
 
 // Disable options for graphic text editing which are not needed for fields.
 m_CommonConvert->Show( false );
 m_CommonUnit->Show( false );
 
 // Predefined fields cannot contain some chars, or cannot be empty,
 // and need a SCH_FIELD_VALIDATOR (m_StyledTextCtrl cannot use a SCH_FIELD_VALIDATOR).
 bool use_validator = m_fieldId == REFERENCE_FIELD
 || m_fieldId == VALUE_FIELD
 || m_fieldId == FOOTPRINT_FIELD
 || m_fieldId == DATASHEET_FIELD
 || m_fieldId == SHEETNAME_V
 || m_fieldId == SHEETFILENAME_V;
 
 if( use_validator )
 {
 m_TextCtrl->SetValidator( SCH_FIELD_VALIDATOR( isSymbolEditor, m_fieldId, &m_text ) );
 SetInitialFocus( m_TextCtrl );
 
 m_StyledTextCtrl->Show( false );
 }
 else
 {
 SetInitialFocus( m_StyledTextCtrl );
 
 m_TextCtrl->Show( false );
 }
 
 // Show the footprint selection dialog if this is the footprint field.
 m_TextValueSelectButton->SetBitmap( KiBitmap( BITMAPS::small_library ) );
 m_TextValueSelectButton->Show( m_fieldId == FOOTPRINT_FIELD );
 
 // Value fields of power symbols cannot be modified. This will grey out
 // the text box and display an explanation.
 if( m_fieldId == VALUE_FIELD && m_isPower )
 {
 m_note->SetLabel( wxString::Format( m_note->GetLabel(),
 _( "Power symbol value field text cannot be changed." ) ) );
 m_note->Show( true );
 m_TextCtrl->Enable( false );
 }
 else
 {
 m_TextCtrl->Enable( true );
 }
 
 GetSizer()->SetSizeHints( this );
 
 // Adjust the height of the scintilla text editor after the first layout
 // To show only one line
 // (multiline text are is supported in fields and will be removed)
 if( m_StyledTextCtrl->IsShown() )
 {
 wxSize maxSize = m_StyledTextCtrl->GetSize();
 maxSize.x = -1; // Do not fix the max width
 maxSize.y = m_xPosCtrl->GetSize().y;
 m_StyledTextCtrl->SetMaxSize( maxSize );
 m_StyledTextCtrl->SetUseVerticalScrollBar( false );
 m_StyledTextCtrl->SetUseHorizontalScrollBar( false );
 }
 
 SetupStandardButtons();
 
 // Now all widgets have the size fixed, call FinishDialogSettings
 finishDialogSettings();
}
 
 
void DIALOG_FIELD_PROPERTIES::OnTextValueSelectButtonClick( wxCommandEvent& aEvent )
{
 // pick a footprint using the footprint picker.
 wxString fpid;
 
 if( m_StyledTextCtrl->IsShown() )
 fpid = m_StyledTextCtrl->GetValue();
 else
 fpid = m_TextCtrl->GetValue();
 
 KIWAY_PLAYER* frame = Kiway().Player( FRAME_FOOTPRINT_VIEWER_MODAL, true );
 
 if( frame->ShowModal( &fpid, this ) )
 {
 if( m_StyledTextCtrl->IsShown() )
 m_StyledTextCtrl->SetValue( fpid );
 else
 m_TextCtrl->SetValue( fpid );
 }
 
 frame->Destroy();
}
 
 
void DIALOG_FIELD_PROPERTIES::OnSetFocusText( wxFocusEvent& event )
{
 if( m_firstFocus )
 {
#ifdef __WXGTK__
 // Force an update of the text control before setting the text selection
 // This is needed because GTK seems to ignore the selection on first update
 //
 // Note that we can't do this on OSX as it tends to provoke Apple's
 // "[NSAlert runModal] may not be invoked inside of transaction begin/commit pair"
 // bug. See: https://bugs.launchpad.net/kicad/+bug/1837225
 if( m_fieldId == REFERENCE_FIELD || m_fieldId == VALUE_FIELD || m_fieldId == SHEETNAME_V )
 m_TextCtrl->Update();
#endif
 
 if( m_fieldId == REFERENCE_FIELD )
 KIUI::SelectReferenceNumber( static_cast<wxTextEntry*>( m_TextCtrl ) );
 else if( m_fieldId == VALUE_FIELD || m_fieldId == SHEETNAME_V )
 m_TextCtrl->SetSelection( -1, -1 );
 
 m_firstFocus = false;
 }
 
 event.Skip();
}
 
 
void DIALOG_FIELD_PROPERTIES::onOrientButton( wxCommandEvent& aEvent )
{
 for( BITMAP_BUTTON* btn : { m_horizontal, m_vertical } )
 {
 if( btn->IsChecked() && btn != aEvent.GetEventObject() )
 btn->Check( false );
 }
}
 
 
void DIALOG_FIELD_PROPERTIES::onHAlignButton( wxCommandEvent& aEvent )
{
 for( BITMAP_BUTTON* btn : { m_hAlignLeft, m_hAlignCenter, m_hAlignRight } )
 {
 if( btn->IsChecked() && btn != aEvent.GetEventObject() )
 btn->Check( false );
 }
}
 
 
void DIALOG_FIELD_PROPERTIES::onVAlignButton( wxCommandEvent& aEvent )
{
 for( BITMAP_BUTTON* btn : { m_vAlignTop, m_vAlignCenter, m_vAlignBottom } )
 {
 if( btn->IsChecked() && btn != aEvent.GetEventObject() )
 btn->Check( false );
 }
}
 
 
bool DIALOG_FIELD_PROPERTIES::TransferDataToWindow()
{
 if( m_TextCtrl->IsShown() )
 m_TextCtrl->SetValue( m_text );
 else if( m_StyledTextCtrl->IsShown() )
 m_StyledTextCtrl->SetValue( m_text );
 
 m_fontCtrl->SetFontSelection( m_font );
 
 m_posX.SetValue( m_position.x );
 m_posY.SetValue( m_position.y );
 m_textSize.SetValue( m_size );
 
 m_horizontal->Check( !m_isVertical );
 m_vertical->Check( m_isVertical );
 
 m_italic->Check( m_isItalic );
 m_bold->Check( m_isBold );
 
 m_textColorSwatch->SetSwatchColor( m_color, false );
 
 switch ( m_horizontalJustification )
 {
 case GR_TEXT_H_ALIGN_LEFT: m_hAlignLeft->Check( true ); break;
 case GR_TEXT_H_ALIGN_CENTER: m_hAlignCenter->Check( true ); break;
 case GR_TEXT_H_ALIGN_RIGHT: m_hAlignRight->Check( true ); break;
 }
 
 switch ( m_verticalJustification )
 {
 case GR_TEXT_V_ALIGN_TOP: m_vAlignTop->Check( true ); break;
 case GR_TEXT_V_ALIGN_CENTER: m_vAlignCenter->Check( true ); break;
 case GR_TEXT_V_ALIGN_BOTTOM: m_vAlignBottom->Check( true ); break;
 }
 
 m_visible->SetValue( m_isVisible );
 m_nameVisible->SetValue( m_isNameVisible );
 m_cbAllowAutoPlace->SetValue( m_allowAutoplace );
 
 return true;
}
 
 
bool DIALOG_FIELD_PROPERTIES::TransferDataFromWindow()
{
 if( m_TextCtrl->IsShown() )
 m_text = m_TextCtrl->GetValue();
 else if( m_StyledTextCtrl->IsShown() )
 m_text = m_StyledTextCtrl->GetValue();
 
 if( m_fieldId == REFERENCE_FIELD )
 {
 // Test if the reference string is valid:
 if( !SCH_SYMBOL::IsReferenceStringValid( m_text ) )
 {
 DisplayError( this, _( "Illegal reference designator value!" ) );
 return false;
 }
 }
 else if( m_fieldId == VALUE_FIELD )
 {
 if( m_text.IsEmpty() )
 {
 DisplayError( this, _( "Value may not be empty." ) );
 return false;
 }
 }
 else if( m_fieldId == SHEETFILENAME_V )
 {
 wxFileName fn( m_text );
 
 // It's annoying to throw up nag dialogs when the extension isn't right. Just
 // fix it.
 if( fn.GetExt().CmpNoCase( KiCadSchematicFileExtension ) != 0 )
 {
 fn.SetExt( KiCadSchematicFileExtension );
 m_text = fn.GetFullPath();
 }
 }
 
 m_position = wxPoint( m_posX.GetValue(), m_posY.GetValue() );
 m_size = m_textSize.GetValue();
 
 if( m_fontCtrl->HaveFontSelection() )
 m_font = m_fontCtrl->GetFontSelection( m_bold->IsChecked(), m_italic->IsChecked() );
 
 m_isVertical = m_vertical->IsChecked();
 
 m_isBold = m_bold->IsChecked();
 m_isItalic = m_italic->IsChecked();
 m_color = m_textColorSwatch->GetSwatchColor();
 
 if( m_hAlignLeft->IsChecked() )
 m_horizontalJustification = GR_TEXT_H_ALIGN_LEFT;
 else if( m_hAlignCenter->IsChecked() )
 m_horizontalJustification = GR_TEXT_H_ALIGN_CENTER;
 else
 m_horizontalJustification = GR_TEXT_H_ALIGN_RIGHT;
 
 if( m_vAlignTop->IsChecked() )
 m_verticalJustification = GR_TEXT_V_ALIGN_TOP;
 else if( m_vAlignCenter->IsChecked() )
 m_verticalJustification = GR_TEXT_V_ALIGN_CENTER;
 else
 m_verticalJustification = GR_TEXT_V_ALIGN_BOTTOM;
 
 m_isVisible = m_visible->GetValue();
 m_isNameVisible = m_nameVisible->GetValue();
 m_allowAutoplace = m_cbAllowAutoPlace->GetValue();
 
 return true;
}
 
 
void DIALOG_FIELD_PROPERTIES::updateText( EDA_TEXT* aText )
{
 if( aText->GetTextWidth() != m_size )
 aText->SetTextSize( wxSize( m_size, m_size ) );
 
 aText->SetVisible( m_isVisible );
 aText->SetTextAngle( m_isVertical ? ANGLE_VERTICAL : ANGLE_HORIZONTAL );
 aText->SetItalic( m_isItalic );
 aText->SetBold( m_isBold );
 aText->SetTextColor( m_color );
}
 
 
DIALOG_LIB_FIELD_PROPERTIES::DIALOG_LIB_FIELD_PROPERTIES( SCH_BASE_FRAME* aParent,
 const wxString& aTitle,
 const LIB_FIELD* aField ) :
 DIALOG_FIELD_PROPERTIES( aParent, aTitle, aField )
{
 m_fieldId = aField->GetId();
 m_isNameVisible = aField->IsNameShown();
 m_allowAutoplace = aField->CanAutoplace();
 
 if( m_fieldId == VALUE_FIELD )
 m_text = UnescapeString( aField->GetText() );
 
 m_nameVisible->Show();
 m_cbAllowAutoPlace->Show();
 
 // When in the library editor, power symbols can be renamed.
 m_isPower = false;
 init();
}
 
 
void DIALOG_LIB_FIELD_PROPERTIES::UpdateField( LIB_FIELD* aField )
{
 wxString value = m_text;
 
 if( m_fieldId == VALUE_FIELD )
 value = EscapeString( value, CTX_LIBID );
 
 aField->SetText( value );
 
 // VALUE === symbol name, so update the parent symbol if it changes.
 if( m_fieldId == VALUE_FIELD && aField->GetParent() )
 aField->GetParent()->SetName( value );
 
 updateText( aField );
 
 aField->SetNameShown( m_isNameVisible );
 aField->SetCanAutoplace( m_allowAutoplace );
 
 aField->SetHorizJustify( EDA_TEXT::MapHorizJustify( m_horizontalJustification ) );
 aField->SetVertJustify( EDA_TEXT::MapVertJustify( m_verticalJustification ) );
 aField->SetTextPos( m_position );
}
 
 
DIALOG_SCH_FIELD_PROPERTIES::DIALOG_SCH_FIELD_PROPERTIES( SCH_BASE_FRAME* aParent,
 const wxString& aTitle,
 const SCH_FIELD* aField ) :
 DIALOG_FIELD_PROPERTIES( aParent, aTitle, aField ),
 m_field( aField )
{
 m_isSheetFilename = false;
 
 if( aField->GetParent() && aField->GetParent()->Type() == SCH_SYMBOL_T )
 {
 m_fieldId = aField->GetId();
 }
 else if( aField->GetParent() && aField->GetParent()->Type() == SCH_SHEET_T )
 {
 switch( aField->GetId() )
 {
 case SHEETNAME:
 m_fieldId = SHEETNAME_V;
 break;
 
 case SHEETFILENAME:
 m_isSheetFilename = true;
 m_fieldId = SHEETFILENAME_V;
 m_note->SetLabel( wxString::Format( m_note->GetLabel(),
 _( "Sheet filename can only be modified in Sheet Properties dialog." ) ) );
 m_note->Show( true );
 break;
 
 default:
 m_fieldId = SHEETUSERFIELD_V;
 break;
 }
 }
 else if( aField->GetParent() && aField->GetParent()->IsType( { SCH_LABEL_LOCATE_ANY_T } ) )
 {
 m_fieldId = LABELUSERFIELD_V;
 }
 
 // show text variable cross-references in a human-readable format
 m_text = aField->Schematic()->ConvertKIIDsToRefs( aField->GetText() );
 
 m_font = m_field->GetFont();
 
 m_isPower = false;
 
 m_textLabel->SetLabel( aField->GetName() + ":" );
 
 m_position = m_field->GetPosition();
 
 m_isNameVisible = m_field->IsNameShown();
 m_allowAutoplace = m_field->CanAutoplace();
 
 m_horizontalJustification = m_field->GetEffectiveHorizJustify();
 m_verticalJustification = m_field->GetEffectiveVertJustify();
 
 // The library symbol may have been removed so using SCH_SYMBOL::GetLibSymbolRef() here
 // could result in a segfault. If the library symbol is no longer available, the
 // schematic fields can still edit so set the power symbol flag to false. This may not
 // be entirely accurate if the power library is missing but it's better then a segfault.
 if( aField->GetParent() && aField->GetParent()->Type() == SCH_SYMBOL_T )
 {
 const SCH_SYMBOL* symbol = static_cast<SCH_SYMBOL*>( aField->GetParent() );
 const LIB_SYMBOL* libSymbol = GetParent()->GetLibSymbol( symbol->GetLibId(), true );
 
 if( libSymbol && libSymbol->IsPower() )
 m_isPower = true;
 }
 
 m_StyledTextCtrl->Bind( wxEVT_STC_CHARADDED, &DIALOG_SCH_FIELD_PROPERTIES::onScintillaCharAdded,
 this );
 
 m_nameVisible->Show();
 m_cbAllowAutoPlace->Show();
 
 init();
 
 if( m_isSheetFilename )
 {
 m_StyledTextCtrl->Enable( false );
 m_TextCtrl->Enable( false );
 }
}
 
 
void DIALOG_SCH_FIELD_PROPERTIES::onScintillaCharAdded( wxStyledTextEvent &aEvent )
{
 int key = aEvent.GetKey();
 
 SCH_EDIT_FRAME* editFrame = static_cast<SCH_EDIT_FRAME*>( GetParent() );
 wxArrayString autocompleteTokens;
 int pos = m_StyledTextCtrl->GetCurrentPos();
 int start = m_StyledTextCtrl->WordStartPosition( pos, true );
 wxString partial;
 
 // Currently, '\n' is not allowed in fields. So remove it when entered
 // TODO: see if we must close the dialog. However this is not obvious, as
 // if a \n is typed (and removed) when a text is selected, this text is deleted
 // (in fact replaced by \n, that is removed by the filter)
 if( key == '\n' )
 {
 wxString text = m_StyledTextCtrl->GetText();
 int currpos = m_StyledTextCtrl->GetCurrentPos();
 text.Replace( "\n", "" );
 m_StyledTextCtrl->SetText( text );
 m_StyledTextCtrl->GotoPos( currpos-1 );
 return;
 }
 
 auto textVarRef =
 [&]( int pt )
 {
 return pt >= 2
 && m_StyledTextCtrl->GetCharAt( pt - 2 ) == '$'
 && m_StyledTextCtrl->GetCharAt( pt - 1 ) == '{';
 };
 
 // Check for cross-reference
 if( start > 1 && m_StyledTextCtrl->GetCharAt( start - 1 ) == ':' )
 {
 int refStart = m_StyledTextCtrl->WordStartPosition( start - 1, true );
 
 if( textVarRef( refStart ) )
 {
 partial = m_StyledTextCtrl->GetRange( start, pos );
 
 wxString ref = m_StyledTextCtrl->GetRange( refStart, start - 1 );
 SCH_SHEET_LIST sheets = editFrame->Schematic().GetSheets();
 SCH_REFERENCE_LIST refs;
 SCH_SYMBOL* refSymbol = nullptr;
 
 sheets.GetSymbols( refs );
 
 for( size_t jj = 0; jj < refs.GetCount(); jj++ )
 {
 if( refs[ jj ].GetSymbol()->GetRef( &refs[ jj ].GetSheetPath(), true ) == ref )
 {
 refSymbol = refs[ jj ].GetSymbol();
 break;
 }
 }
 
 if( refSymbol )
 refSymbol->GetContextualTextVars( &autocompleteTokens );
 }
 }
 else if( textVarRef( start ) )
 {
 partial = m_StyledTextCtrl->GetTextRange( start, pos );
 
 SCH_SYMBOL* symbol = dynamic_cast<SCH_SYMBOL*>( m_field->GetParent() );
 SCH_SHEET* sheet = dynamic_cast<SCH_SHEET*>( m_field->GetParent() );
 
 if( symbol )
 {
 symbol->GetContextualTextVars( &autocompleteTokens );
 
 SCHEMATIC* schematic = symbol->Schematic();
 
 if( schematic && schematic->CurrentSheet().Last() )
 schematic->CurrentSheet().Last()->GetContextualTextVars( &autocompleteTokens );
 }
 
 if( sheet )
 sheet->GetContextualTextVars( &autocompleteTokens );
 
 for( std::pair<wxString, wxString> entry : Prj().GetTextVars() )
 autocompleteTokens.push_back( entry.first );
 }
 
 m_scintillaTricks->DoAutocomplete( partial, autocompleteTokens );
 m_StyledTextCtrl->SetFocus();
}
 
 
void DIALOG_SCH_FIELD_PROPERTIES::UpdateField( SCH_FIELD* aField, SCH_SHEET_PATH* aSheetPath )
{
 SCH_EDIT_FRAME* editFrame = dynamic_cast<SCH_EDIT_FRAME*>( GetParent() );
 SCH_ITEM* parent = dynamic_cast<SCH_ITEM*>( aField->GetParent() );
 int fieldType = aField->GetId();
 
 if( parent && parent->Type() == SCH_SYMBOL_T )
 {
 SCH_SYMBOL* symbol = static_cast<SCH_SYMBOL*>( parent );
 
 if( fieldType == REFERENCE_FIELD )
 symbol->SetRef( aSheetPath, m_text );
 else if( fieldType == VALUE_FIELD )
 symbol->SetValue( m_text );
 else if( fieldType == FOOTPRINT_FIELD )
 symbol->SetFootprint( m_text );
 }
 else if( parent && parent->Type() == SCH_GLOBAL_LABEL_T )
 {
 if( fieldType == 0 )
 {
 if( m_visible->GetValue() != parent->Schematic()->Settings().m_IntersheetRefsShow )
 {
 DisplayInfoMessage( this, _( "Intersheet reference visibility is "
 "controlled globally from "
 "Schematic Setup > General > Formatting" ) );
 }
 }
 }
 
 bool positioningModified = false;
 
 if( aField->GetPosition() != m_position )
 positioningModified = true;
 
 if( aField->GetTextAngle().IsVertical() != m_isVertical )
 positioningModified = true;
 
 if( aField->GetEffectiveHorizJustify() != m_horizontalJustification )
 positioningModified = true;
 
 if( aField->GetEffectiveVertJustify() != m_verticalJustification )
 positioningModified = true;
 
 // convert any text variable cross-references to their UUIDs
 m_text = aField->Schematic()->ConvertRefsToKIIDs( m_text );
 
 aField->SetText( m_text );
 updateText( aField );
 aField->SetPosition( m_position );
 
 aField->SetFont( m_font );
 
 aField->SetNameShown( m_isNameVisible );
 aField->SetCanAutoplace( m_allowAutoplace );
 
 // Note that we must set justifications before we can ask if they're flipped. If the old
 // justification is center then it won't know (whereas if the new justification is center
 // the we don't care).
 aField->SetHorizJustify( m_horizontalJustification );
 aField->SetVertJustify( m_verticalJustification );
 
 if( aField->IsHorizJustifyFlipped() )
 aField->SetHorizJustify( EDA_TEXT::MapHorizJustify( -m_horizontalJustification ) );
 
 if( aField->IsVertJustifyFlipped() )
 aField->SetVertJustify( EDA_TEXT::MapVertJustify( -m_verticalJustification ) );
 
 // The value, footprint and datasheet fields should be kept in sync in multi-unit parts.
 // Of course the symbol must be annotated to collect other units.
 if( editFrame && parent && parent->Type() == SCH_SYMBOL_T )
 {
 SCH_SYMBOL* symbol = static_cast<SCH_SYMBOL*>( parent );
 
 if( symbol->IsAnnotated( aSheetPath ) && ( fieldType == VALUE_FIELD
 || fieldType == FOOTPRINT_FIELD
 || fieldType == DATASHEET_FIELD ) )
 {
 wxString ref = symbol->GetRef( aSheetPath );
 int unit = symbol->GetUnit();
 LIB_ID libId = symbol->GetLibId();
 
 for( SCH_SHEET_PATH& sheet : editFrame->Schematic().GetSheets() )
 {
 SCH_SCREEN* screen = sheet.LastScreen();
 std::vector<SCH_SYMBOL*> otherUnits;
 constexpr bool appendUndo = true;
 
 CollectOtherUnits( ref, unit, libId, sheet, &otherUnits );
 
 for( SCH_SYMBOL* otherUnit : otherUnits )
 {
 editFrame->SaveCopyInUndoList( screen, otherUnit, UNDO_REDO::CHANGED,
 appendUndo );
 
 if( fieldType == VALUE_FIELD )
 otherUnit->SetValue( m_text );
 else if( fieldType == FOOTPRINT_FIELD )
 otherUnit->SetFootprint( m_text );
 else
 otherUnit->GetField( DATASHEET_FIELD )->SetText( m_text );
 
 editFrame->UpdateItem( otherUnit, false, true );
 }
 }
 }
 }
 
 if( positioningModified && parent )
 parent->ClearFieldsAutoplaced();
}