dialog_label_properties.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2013 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright (C) 2013 Wayne Stambaugh <[email protected]>
 * Copyright (C) 1992-2023 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 <widgets/bitmap_button.h>
#include <widgets/font_choice.h>
#include <widgets/std_bitmap_button.h>
#include <widgets/color_swatch.h>
#include <settings/color_settings.h>
#include <sch_edit_frame.h>
#include <sch_validators.h>
#include <tool/tool_manager.h>
#include <gr_text.h>
#include <confirm.h>
#include <schematic.h>
#include <dialogs/html_message_box.h>
#include <dialog_label_properties.h>
#include <string_utils.h>
#include <project/net_settings.h>
#include <project/project_file.h>
#include <kiface_base.h>
#include <sch_label.h>
 
 
DIALOG_LABEL_PROPERTIES::DIALOG_LABEL_PROPERTIES( SCH_EDIT_FRAME* aParent, SCH_LABEL_BASE* aLabel ) :
 DIALOG_LABEL_PROPERTIES_BASE( aParent ),
 m_Parent( aParent ),
 m_currentLabel( aLabel ),
 m_activeTextEntry( nullptr ),
 m_netNameValidator( true ),
 m_fields( nullptr ),
 m_textSize( aParent, m_textSizeLabel, m_textSizeCtrl, m_textSizeUnits, false ),
 m_helpWindow( nullptr )
{
 COLOR_SETTINGS* colorSettings = m_Parent->GetColorSettings();
 COLOR4D schematicBackground = colorSettings->GetColor( LAYER_SCHEMATIC_BACKGROUND );
 
 m_fields = new FIELDS_GRID_TABLE<SCH_FIELD>( this, aParent, m_grid, m_currentLabel );
 m_width = 100; // Will be later set to a better value
 m_delayedFocusRow = -1;
 m_delayedFocusColumn = FDC_VALUE;
 
 if( m_currentLabel->Type() == SCH_GLOBAL_LABEL_T || m_currentLabel->Type() == SCH_LABEL_T )
 {
 m_activeTextEntry = m_valueCombo;
 SetInitialFocus( m_valueCombo );
 
 m_labelSingleLine->Show( false );
 m_valueSingleLine->Show( false );
 
 m_valueCombo->SetValidator( m_netNameValidator );
 }
 else if( m_currentLabel->Type() == SCH_HIER_LABEL_T )
 {
 m_activeTextEntry = m_valueSingleLine;
 SetInitialFocus( m_valueSingleLine );
 
 m_labelCombo->Show( false );
 m_valueCombo->Show( false );
 
 m_valueSingleLine->SetValidator( m_netNameValidator );
 }
 else if( m_currentLabel->Type() == SCH_DIRECTIVE_LABEL_T )
 {
 SetInitialFocus( m_grid );
 m_delayedFocusRow = 0;
 
 m_labelSingleLine->Show( false );
 m_valueSingleLine->Show( false );
 m_labelCombo->Show( false );
 m_valueCombo->Show( false );
 m_syntaxHelp->Show( false );
 m_textEntrySizer->Show( false );
 
 m_textSizeLabel->SetLabel( _( "Pin length:" ) );
 }
 
 switch( m_currentLabel->Type() )
 {
 case SCH_GLOBAL_LABEL_T: SetTitle( _( "Global Label Properties" ) ); break;
 case SCH_HIER_LABEL_T: SetTitle( _( "Hierarchical Label Properties" ) ); break;
 case SCH_LABEL_T: SetTitle( _( "Label Properties" ) ); break;
 case SCH_DIRECTIVE_LABEL_T: SetTitle( _( "Directive Label Properties" ) ); break;
 case SCH_SHEET_PIN_T: SetTitle( _( "Hierarchical Sheet Pin Properties" ) ); break;
 default: UNIMPLEMENTED_FOR( m_currentLabel->GetClass() ); break;
 }
 
 // Give a bit more room for combobox editors
 m_grid->SetDefaultRowSize( m_grid->GetDefaultRowSize() + 4 );
 
 m_grid->SetTable( m_fields );
 m_grid->PushEventHandler( new FIELDS_GRID_TRICKS( m_grid, this,
 [&]( wxCommandEvent& aEvent )
 {
 OnAddField( aEvent );
 } ) );
 m_grid->SetSelectionMode( wxGrid::wxGridSelectRows );
 
 // Show/hide columns according to user's preference
 if( EESCHEMA_SETTINGS* cfg = dynamic_cast<EESCHEMA_SETTINGS*>( Kiface().KifaceSettings() ) )
 {
 m_grid->ShowHideColumns( cfg->m_Appearance.edit_label_visible_columns );
 m_shownColumns = m_grid->GetShownColumns();
 }
 
 // Configure button logos
 m_bpAdd->SetBitmap( KiBitmap( BITMAPS::small_plus ) );
 m_bpDelete->SetBitmap( KiBitmap( BITMAPS::small_trash ) );
 m_bpMoveUp->SetBitmap( KiBitmap( BITMAPS::small_up ) );
 m_bpMoveDown->SetBitmap( KiBitmap( BITMAPS::small_down ) );
 
 m_separator1->SetIsSeparator();
 
 m_bold->SetIsCheckButton();
 m_bold->SetBitmap( KiBitmap( BITMAPS::text_bold ) );
 m_italic->SetIsCheckButton();
 m_italic->SetBitmap( KiBitmap( BITMAPS::text_italic ) );
 
 m_separator2->SetIsSeparator();
 
 m_spin0->SetIsRadioButton();
 m_spin1->SetIsRadioButton();
 m_spin2->SetIsRadioButton();
 m_spin3->SetIsRadioButton();
 
 m_separator3->SetIsSeparator();
 
 m_textColorSwatch->SetDefaultColor( COLOR4D::UNSPECIFIED );
 m_textColorSwatch->SetSwatchBackground( schematicBackground );
 
 // Show/hide relevant controls
 if( m_currentLabel->Type() == SCH_GLOBAL_LABEL_T || m_currentLabel->Type() == SCH_HIER_LABEL_T )
 {
 m_dot->Hide();
 m_circle->Hide();
 m_diamond->Hide();
 m_rectangle->Hide();
 
 m_spin0->SetBitmap( KiBitmap( BITMAPS::label_align_left ) );
 m_spin1->SetBitmap( KiBitmap( BITMAPS::label_align_right ) );
 m_spin2->SetBitmap( KiBitmap( BITMAPS::label_align_bottom ) );
 m_spin3->SetBitmap( KiBitmap( BITMAPS::label_align_top ) );
 }
 else if( m_currentLabel->Type() == SCH_DIRECTIVE_LABEL_T )
 {
 m_input->Hide();
 m_output->Hide();
 m_bidirectional->Hide();
 m_triState->Hide();
 m_passive->Hide();
 
 m_fontLabel->SetLabel( _( "Orientation:" ) );
 m_fontCtrl->Hide();
 m_separator1->Hide();
 m_bold->Hide();
 m_italic->Hide();
 m_separator2->Hide();
 m_spin0->SetBitmap( KiBitmap( BITMAPS::pinorient_down ) );
 m_spin1->SetBitmap( KiBitmap( BITMAPS::pinorient_up ) );
 m_spin2->SetBitmap( KiBitmap( BITMAPS::pinorient_right ) );
 m_spin3->SetBitmap( KiBitmap( BITMAPS::pinorient_left ) );
 m_separator3->Hide();
 
 m_formattingGB->Detach( m_fontCtrl );
 m_formattingGB->Detach( m_iconBar );
 m_formattingGB->Add( m_iconBar, wxGBPosition( 0, 1 ), wxGBSpan( 1, 1 ), wxEXPAND|wxRIGHT, 5 );
 }
 else
 {
 m_shapeSizer->Show( false );
 
 m_spin0->SetBitmap( KiBitmap( BITMAPS::text_align_left ) );
 m_spin1->SetBitmap( KiBitmap( BITMAPS::text_align_right ) );
 m_spin2->SetBitmap( KiBitmap( BITMAPS::text_align_bottom ) );
 m_spin3->SetBitmap( KiBitmap( BITMAPS::text_align_top ) );
 }
 
 if( !m_currentLabel->AutoRotateOnPlacementSupported() )
 {
 m_autoRotate->Hide();
 wxSizer* parentSizer = m_autoRotate->GetContainingSizer();
 parentSizer->Detach( m_autoRotate );
 parentSizer->Layout();
 }
 
 SetupStandardButtons();
 
 // DIALOG_SHIM needs a unique hash_key because classname is not sufficient because the
 // various versions have different controls so we want to store sizes for each version.
 m_hash_key = TO_UTF8( GetTitle() );
 
 m_spin0->Bind( wxEVT_BUTTON, &DIALOG_LABEL_PROPERTIES::onSpinButton, this );
 m_spin1->Bind( wxEVT_BUTTON, &DIALOG_LABEL_PROPERTIES::onSpinButton, this );
 m_spin2->Bind( wxEVT_BUTTON, &DIALOG_LABEL_PROPERTIES::onSpinButton, this );
 m_spin3->Bind( wxEVT_BUTTON, &DIALOG_LABEL_PROPERTIES::onSpinButton, this );
 
 // Now all widgets have the size fixed, call FinishDialogSettings
 finishDialogSettings();
 
 if( EESCHEMA_SETTINGS* cfg = dynamic_cast<EESCHEMA_SETTINGS*>( Kiface().KifaceSettings() ) )
 {
 if( cfg->m_Appearance.edit_label_width > 0 && cfg->m_Appearance.edit_label_height > 0 )
 SetSize( cfg->m_Appearance.edit_label_width, cfg->m_Appearance.edit_label_height );
 }
}
 
 
DIALOG_LABEL_PROPERTIES::~DIALOG_LABEL_PROPERTIES()
{
 if( EESCHEMA_SETTINGS* cfg = dynamic_cast<EESCHEMA_SETTINGS*>( Kiface().KifaceSettings() ) )
 {
 cfg->m_Appearance.edit_label_visible_columns = m_grid->GetShownColumnsAsString();
 cfg->m_Appearance.edit_label_width = GetSize().x;
 cfg->m_Appearance.edit_label_height = GetSize().y;
 }
 
 // Prevents crash bug in wxGrid's d'tor
 m_grid->DestroyTable( m_fields );
 
 // Delete the GRID_TRICKS.
 m_grid->PopEventHandler( true );
 
 if( m_helpWindow )
 m_helpWindow->Destroy();
}
 
 
bool DIALOG_LABEL_PROPERTIES::TransferDataToWindow()
{
 if( !wxDialog::TransferDataToWindow() )
 return false;
 
 if( m_activeTextEntry )
 {
 // show control characters in a human-readable format
 wxString text = UnescapeString( m_currentLabel->GetText() );
 
 // show text variable cross-references in a human-readable format
 text = m_currentLabel->Schematic()->ConvertKIIDsToRefs( text );
 
 m_activeTextEntry->SetValue( text );
 }
 
 if( m_currentLabel->Type() == SCH_GLOBAL_LABEL_T || m_currentLabel->Type() == SCH_LABEL_T )
 {
 // Load the combobox with the existing labels of the same type
 std::set<wxString> existingLabels;
 std::vector<std::shared_ptr<BUS_ALIAS>> busAliases;
 SCH_SCREENS allScreens( m_Parent->Schematic().Root() );
 
 for( SCH_SCREEN* screen = allScreens.GetFirst(); screen; screen = allScreens.GetNext() )
 {
 for( SCH_ITEM* item : screen->Items().OfType( m_currentLabel->Type() ) )
 {
 const SCH_LABEL_BASE* label = static_cast<const SCH_LABEL_BASE*>( item );
 existingLabels.insert( UnescapeString( label->GetText() ) );
 }
 
 // Add global power labels from power symbols
 if( m_currentLabel->Type() == SCH_GLOBAL_LABEL_T )
 {
 for( SCH_ITEM* item : screen->Items().OfType( SCH_SYMBOL_LOCATE_POWER_T ) )
 {
 const SCH_SYMBOL* power = static_cast<const SCH_SYMBOL*>( item );
 
 // Ensure the symbol has the Power (i.e. equivalent to a global label
 // before adding its value in list
 if( power->IsSymbolLikePowerGlobalLabel() )
 existingLabels.insert( UnescapeString( power->GetField( VALUE_FIELD )->GetText() ) );
 }
 }
 
 std::set<std::shared_ptr<BUS_ALIAS>> sheetAliases = screen->GetBusAliases();
 busAliases.insert( busAliases.end(), sheetAliases.begin(), sheetAliases.end() );
 }
 
 // Add bus aliases to label list
 for( const std::shared_ptr<BUS_ALIAS>& busAlias : busAliases )
 existingLabels.insert( wxT( "{" ) + busAlias->GetName() + wxT( "}" ) );
 
 wxArrayString existingLabelArray;
 
 for( const wxString& label : existingLabels )
 existingLabelArray.push_back( label );
 
 m_valueCombo->Append( existingLabelArray );
 }
 
 // Push a copy of each field into m_updateFields
 for( SCH_FIELD& field : m_currentLabel->GetFields() )
 {
 SCH_FIELD field_copy( field );
 
 // change offset to be symbol-relative
 field_copy.Offset( -m_currentLabel->GetPosition() );
 
 m_fields->push_back( field_copy );
 }
 
 // notify the grid
 wxGridTableMessage msg( m_fields, wxGRIDTABLE_NOTIFY_ROWS_APPENDED, m_fields->size() );
 m_grid->ProcessTableMessage( msg );
 AdjustGridColumns( m_grid->GetRect().GetWidth() );
 
 if( m_shapeSizer->AreAnyItemsShown() )
 {
 switch( m_currentLabel->GetShape() )
 {
 case LABEL_FLAG_SHAPE::L_INPUT: m_input->SetValue( true ); break;
 case LABEL_FLAG_SHAPE::L_OUTPUT: m_output->SetValue( true ); break;
 case LABEL_FLAG_SHAPE::L_BIDI: m_bidirectional->SetValue( true ); break;
 case LABEL_FLAG_SHAPE::L_TRISTATE: m_triState->SetValue( true ); break;
 case LABEL_FLAG_SHAPE::L_UNSPECIFIED: m_passive->SetValue( true ); break;
 case LABEL_FLAG_SHAPE::F_DOT: m_dot->SetValue( true ); break;
 case LABEL_FLAG_SHAPE::F_ROUND: m_circle->SetValue( true ); break;
 case LABEL_FLAG_SHAPE::F_DIAMOND: m_diamond->SetValue( true ); break;
 case LABEL_FLAG_SHAPE::F_RECTANGLE: m_rectangle->SetValue( true ); break;
 }
 }
 
 m_fontCtrl->SetFontSelection( m_currentLabel->GetFont() );
 
 if( m_currentLabel->Type() == SCH_DIRECTIVE_LABEL_T )
 m_textSize.SetValue( static_cast<SCH_DIRECTIVE_LABEL*>( m_currentLabel )->GetPinLength() );
 else
 m_textSize.SetValue( m_currentLabel->GetTextWidth() );
 
 m_bold->Check( m_currentLabel->IsBold() );
 m_italic->Check( m_currentLabel->IsItalic() );
 m_textColorSwatch->SetSwatchColor( m_currentLabel->GetTextColor(), false );
 
 switch( m_currentLabel->GetTextSpinStyle() )
 {
 case TEXT_SPIN_STYLE::RIGHT: m_spin0->Check( true ); break;
 case TEXT_SPIN_STYLE::LEFT: m_spin1->Check( true ); break;
 case TEXT_SPIN_STYLE::UP: m_spin2->Check( true ); break;
 case TEXT_SPIN_STYLE::BOTTOM: m_spin3->Check( true ); break;
 }
 
 if( m_currentLabel->AutoRotateOnPlacementSupported() )
 m_autoRotate->SetValue( m_currentLabel->AutoRotateOnPlacement() );
 
 return true;
}
 
 
void DIALOG_LABEL_PROPERTIES::OnEnterKey( wxCommandEvent& aEvent )
{
 wxPostEvent( this, wxCommandEvent( wxEVT_COMMAND_BUTTON_CLICKED, wxID_OK ) );
}
 
 
void DIALOG_LABEL_PROPERTIES::OnValueCharHook( wxKeyEvent& aEvent )
{
 if( aEvent.GetKeyCode() == WXK_TAB )
 {
 if( aEvent.ShiftDown() )
 {
 m_textSizeCtrl->SetFocusFromKbd();
 }
 else if( !m_fields->empty() )
 {
 m_grid->SetFocusFromKbd();
 m_grid->MakeCellVisible( 0, 0 );
 m_grid->SetGridCursor( 0, 0 );
 }
 else
 {
 m_textSizeCtrl->SetFocusFromKbd();
 }
 }
 else
 {
 aEvent.Skip();
 }
}
 
 
static bool positioningChanged( const SCH_FIELD& a, const SCH_FIELD& b )
{
 return a.GetPosition() != b.GetPosition()
 || a.GetHorizJustify() != b.GetHorizJustify()
 || a.GetVertJustify() != b.GetVertJustify()
 || a.GetTextAngle() != b.GetTextAngle();
}
 
 
static bool positioningChanged( FIELDS_GRID_TABLE<SCH_FIELD>* a, std::vector<SCH_FIELD>& b )
{
 for( size_t i = 0; i < a->size() && i < b.size(); ++i )
 {
 if( positioningChanged( a->at( i ), b.at( i ) ) )
 return true;
 }
 
 return false;
}
 
 
bool DIALOG_LABEL_PROPERTIES::TransferDataFromWindow()
{
 if( !m_grid->CommitPendingChanges() )
 return false;
 
 if( !wxDialog::TransferDataFromWindow() )
 return false;
 
 // Don't allow text to disappear; it can be difficult to correct if you can't select it
 if( !m_textSize.Validate( 0.01, 1000.0, EDA_UNITS::MILLIMETRES ) )
 return false;
 
 wxString text;
 
 /* save old text in undo list if not already in edit */
 if( m_currentLabel->GetEditFlags() == 0 )
 {
 m_Parent->SaveCopyInUndoList( m_Parent->GetScreen(), m_currentLabel, UNDO_REDO::CHANGED,
 false );
 }
 
 m_Parent->GetCanvas()->Refresh();
 
 if( m_activeTextEntry )
 {
 // labels need escaping
 text = EscapeString( m_activeTextEntry->GetValue(), CTX_NETNAME );
 
 // convert any text variable cross-references to their UUIDs
 text = m_currentLabel->Schematic()->ConvertRefsToKIIDs( text );
 
#ifdef __WXMAC__
 // On macOS CTRL+Enter produces '\r' instead of '\n' regardless of EOL setting
 text.Replace( wxS( "\r" ), wxS( "\n" ) );
#endif
 
 if( text.IsEmpty() && !m_currentLabel->IsNew() )
 {
 DisplayError( this, _( "Label can not be empty." ) );
 return false;
 }
 
 m_currentLabel->SetText( text );
 }
 
 bool doAutoplace = false;
 
 // change all field positions from relative to absolute
 for( SCH_FIELD& field : *m_fields )
 {
 field.Offset( m_currentLabel->GetPosition() );
 
 if( field.GetCanonicalName() == wxT( "Netclass" ) )
 {
 field.SetLayer( LAYER_NETCLASS_REFS );
 }
 else if( field.GetCanonicalName() == wxT( "Intersheetrefs" ) )
 {
 if( field.IsVisible() != m_Parent->Schematic().Settings().m_IntersheetRefsShow )
 {
 DisplayInfoMessage( this, _( "Intersheet reference visibility is "
 "controlled globally from "
 "Schematic Setup > General > Formatting" ) );
 }
 
 field.SetLayer( LAYER_INTERSHEET_REFS );
 }
 else
 {
 field.SetLayer( LAYER_FIELDS );
 }
 }
 
 if( positioningChanged( m_fields, m_currentLabel->GetFields() ) )
 m_currentLabel->ClearFieldsAutoplaced();
 else
 doAutoplace = true;
 
 for( int ii = m_fields->GetNumberRows() - 1; ii >= 0; ii-- )
 {
 SCH_FIELD& field = m_fields->at( ii );
 const wxString& fieldName = field.GetCanonicalName();
 const wxString& fieldText = field.GetText();
 
 if( fieldName.IsEmpty() && fieldText.IsEmpty() )
 m_fields->erase( m_fields->begin() + ii );
 else if( fieldName == wxT( "Netclass" ) && fieldText.IsEmpty() )
 m_fields->erase( m_fields->begin() + ii );
 else if( fieldName.IsEmpty() )
 field.SetName( _( "untitled" ) );
 }
 
 m_currentLabel->SetFields( *m_fields );
 
 if( m_shapeSizer->AreAnyItemsShown() )
 {
 if( m_input->GetValue() )
 m_currentLabel->SetShape( LABEL_FLAG_SHAPE::L_INPUT );
 else if( m_output->GetValue() )
 m_currentLabel->SetShape( LABEL_FLAG_SHAPE::L_OUTPUT );
 else if( m_bidirectional->GetValue() )
 m_currentLabel->SetShape( LABEL_FLAG_SHAPE::L_BIDI );
 else if( m_triState->GetValue() )
 m_currentLabel->SetShape( LABEL_FLAG_SHAPE::L_TRISTATE );
  else if( m_passive->GetValue() )
 m_currentLabel->SetShape( LABEL_FLAG_SHAPE::L_UNSPECIFIED );
 else if( m_dot->GetValue() )
 m_currentLabel->SetShape( LABEL_FLAG_SHAPE::F_DOT );
 else if( m_circle->GetValue() )
 m_currentLabel->SetShape( LABEL_FLAG_SHAPE::F_ROUND );
 else if( m_diamond->GetValue() )
 m_currentLabel->SetShape( LABEL_FLAG_SHAPE::F_DIAMOND );
 else if( m_rectangle->GetValue() )
 m_currentLabel->SetShape( LABEL_FLAG_SHAPE::F_RECTANGLE );
 }
 
 if( m_fontCtrl->HaveFontSelection() )
 {
 m_currentLabel->SetFont( m_fontCtrl->GetFontSelection( m_bold->IsChecked(),
 m_italic->IsChecked() ) );
 }
 
 if( m_currentLabel->Type() == SCH_DIRECTIVE_LABEL_T )
 static_cast<SCH_DIRECTIVE_LABEL*>( m_currentLabel )->SetPinLength( m_textSize.GetValue() );
 else if( m_currentLabel->GetTextWidth() != m_textSize.GetValue() )
 m_currentLabel->SetTextSize( VECTOR2I( m_textSize.GetValue(), m_textSize.GetValue() ) );
 
 if( m_bold->IsChecked() != m_currentLabel->IsBold() )
 {
 if( m_bold->IsChecked() )
 {
 m_currentLabel->SetBold( true );
 m_currentLabel->SetTextThickness( GetPenSizeForBold( m_currentLabel->GetTextWidth() ) );
 }
 else
 {
 m_currentLabel->SetBold( false );
 m_currentLabel->SetTextThickness( 0 ); // Use default pen width
 }
 }
 
 m_currentLabel->SetItalic( m_italic->IsChecked() );
 
 m_currentLabel->SetTextColor( m_textColorSwatch->GetSwatchColor() );
 
 TEXT_SPIN_STYLE selectedSpinStyle= TEXT_SPIN_STYLE::LEFT;
 
 if( m_spin0->IsChecked() )
 selectedSpinStyle = TEXT_SPIN_STYLE::RIGHT;
 else if( m_spin1->IsChecked() )
 selectedSpinStyle = TEXT_SPIN_STYLE::LEFT;
 else if( m_spin2->IsChecked() )
 selectedSpinStyle = TEXT_SPIN_STYLE::UP;
 else if( m_spin3->IsChecked() )
 selectedSpinStyle = TEXT_SPIN_STYLE::BOTTOM;
 
 if( m_currentLabel->AutoRotateOnPlacementSupported() )
 {
 SCH_EDIT_FRAME* frame = static_cast<SCH_EDIT_FRAME*>( m_parentFrame );
 m_currentLabel->SetAutoRotateOnPlacement( m_autoRotate->IsChecked() );
 frame->AutoRotateItem( frame->GetScreen(), m_currentLabel );
 }
 else
 m_currentLabel->SetAutoRotateOnPlacement( false );
 
 if( !m_currentLabel->AutoRotateOnPlacement()
 && m_currentLabel->GetTextSpinStyle() != selectedSpinStyle )
 m_currentLabel->SetTextSpinStyle( selectedSpinStyle );
 
 if( doAutoplace )
 m_currentLabel->AutoAutoplaceFields( m_Parent->GetScreen() );
 
 m_Parent->UpdateItem( m_currentLabel );
 m_Parent->GetCanvas()->Refresh();
 
 return true;
}
 
 
void DIALOG_LABEL_PROPERTIES::onSpinButton( wxCommandEvent& aEvent )
{
 for( BITMAP_BUTTON* btn : { m_spin0, m_spin1, m_spin2, m_spin3 } )
 {
 if( btn->IsChecked() && btn != aEvent.GetEventObject() )
 btn->Check( false );
 }
}
 
 
void DIALOG_LABEL_PROPERTIES::OnFormattingHelp( wxHyperlinkEvent& aEvent )
{
 m_helpWindow = SCH_LABEL_BASE::ShowSyntaxHelp( this );
}
 
 
void DIALOG_LABEL_PROPERTIES::OnAddField( wxCommandEvent& event )
{
 if( !m_grid->CommitPendingChanges() )
 return;
 
 int fieldID = (int) m_fields->size();
 wxString fieldName;
 
 if( (int) fieldID == m_currentLabel->GetMandatoryFieldCount()
 || m_fields->at( m_fields->size()-1 ).GetCanonicalName() == wxT( "Netclass" ) )
 {
 fieldName = wxT( "Netclass" );
 }
 else
 {
 fieldName = SCH_LABEL_BASE::GetDefaultFieldName( fieldName, true );
 }
 
 SCH_FIELD newField( VECTOR2I( 0, 0 ), fieldID, m_currentLabel, fieldName );
 
 if( m_fields->size() > 0 )
 {
 newField.SetVisible( m_fields->at( m_fields->size() - 1 ).IsVisible() );
 newField.SetTextAngle( m_fields->at( m_fields->size() - 1 ).GetTextAngle() );
 newField.SetItalic( m_fields->at( m_fields->size() - 1 ).IsItalic() );
 newField.SetBold( m_fields->at( m_fields->size() - 1 ).IsBold() );
 }
 else
 {
 newField.SetVisible( true );
 newField.SetItalic( true );
 }
 
 m_fields->push_back( newField );
 
 // notify the grid
 wxGridTableMessage msg( m_fields, wxGRIDTABLE_NOTIFY_ROWS_APPENDED, 1 );
 m_grid->ProcessTableMessage( msg );
 
 m_grid->MakeCellVisible( (int) m_fields->size() - 1, 0 );
 m_grid->SetGridCursor( (int) m_fields->size() - 1, 0 );
 
 m_grid->EnableCellEditControl();
 m_grid->ShowCellEditControl();
}
 
 
void DIALOG_LABEL_PROPERTIES::OnDeleteField( wxCommandEvent& event )
{
 wxArrayInt selectedRows = m_grid->GetSelectedRows();
 
 if( selectedRows.empty() && m_grid->GetGridCursorRow() >= 0 )
 selectedRows.push_back( m_grid->GetGridCursorRow() );
 
 if( selectedRows.empty() )
 return;
 
 for( int row : selectedRows )
 {
 if( row < m_currentLabel->GetMandatoryFieldCount() )
 {
 DisplayError( this, _( "The first field is mandatory." ) );
 return;
 }
 }
 
 m_grid->CommitPendingChanges( true /* quiet mode */ );
 
 // Reverse sort so deleting a row doesn't change the indexes of the other rows.
 selectedRows.Sort( []( int* first, int* second ) { return *second - *first; } );
 
 for( int row : selectedRows )
 {
 m_fields->erase( m_fields->begin() + row );
 
 // notify the grid
 wxGridTableMessage msg( m_fields, wxGRIDTABLE_NOTIFY_ROWS_DELETED, row, 1 );
 m_grid->ProcessTableMessage( msg );
 
 if( m_grid->GetNumberRows() > 0 )
 {
 m_grid->MakeCellVisible( std::max( 0, row-1 ), m_grid->GetGridCursorCol() );
 m_grid->SetGridCursor( std::max( 0, row-1 ), m_grid->GetGridCursorCol() );
 }
 }
}
 
 
void DIALOG_LABEL_PROPERTIES::OnMoveUp( wxCommandEvent& event )
{
 if( !m_grid->CommitPendingChanges() )
 return;
 
 int i = m_grid->GetGridCursorRow();
 
 if( i > m_currentLabel->GetMandatoryFieldCount() )
 {
 SCH_FIELD tmp = m_fields->at( (unsigned) i );
 m_fields->erase( m_fields->begin() + i, m_fields->begin() + i + 1 );
 m_fields->insert( m_fields->begin() + i - 1, tmp );
 m_grid->ForceRefresh();
 
 m_grid->SetGridCursor( i - 1, m_grid->GetGridCursorCol() );
 m_grid->MakeCellVisible( m_grid->GetGridCursorRow(), m_grid->GetGridCursorCol() );
 }
 else
 {
 wxBell();
 }
}
 
 
void DIALOG_LABEL_PROPERTIES::OnMoveDown( wxCommandEvent& event )
{
 if( !m_grid->CommitPendingChanges() )
 return;
 
 int i = m_grid->GetGridCursorRow();
 
 if( i >= m_currentLabel->GetMandatoryFieldCount() && i < m_grid->GetNumberRows() - 1 )
 {
 SCH_FIELD tmp = m_fields->at( (unsigned) i );
 m_fields->erase( m_fields->begin() + i, m_fields->begin() + i + 1 );
 m_fields->insert( m_fields->begin() + i + 1, tmp );
 m_grid->ForceRefresh();
 
 m_grid->SetGridCursor( i + 1, m_grid->GetGridCursorCol() );
 m_grid->MakeCellVisible( m_grid->GetGridCursorRow(), m_grid->GetGridCursorCol() );
 }
 else
 {
 wxBell();
 }
}
 
 
void DIALOG_LABEL_PROPERTIES::AdjustGridColumns( int aWidth )
{
 m_width = aWidth;
 // Account for scroll bars
 aWidth -= ( m_grid->GetSize().x - m_grid->GetClientSize().x );
 
 m_grid->AutoSizeColumn( 0 );
 m_grid->SetColSize( 0, std::max( 72, m_grid->GetColSize( 0 ) ) );
 
 int fixedColsWidth = m_grid->GetColSize( 0 );
 
 for( int i = 2; i < m_grid->GetNumberCols(); i++ )
 fixedColsWidth += m_grid->GetColSize( i );
 
 m_grid->SetColSize( 1, std::max( 120, aWidth - fixedColsWidth ) );
}
 
 
void DIALOG_LABEL_PROPERTIES::OnUpdateUI( wxUpdateUIEvent& event )
{
 std::bitset<64> shownColumns = m_grid->GetShownColumns();
 
 if( shownColumns != m_shownColumns )
 {
 m_shownColumns = shownColumns;
 
 if( !m_grid->IsCellEditControlShown() )
 AdjustGridColumns( m_grid->GetRect().GetWidth() );
 }
 
 // Handle a delayed focus
 if( m_delayedFocusRow >= 0 && m_delayedFocusRow < m_grid->GetNumberRows() )
 {
 m_grid->SetFocus();
 m_grid->MakeCellVisible( m_delayedFocusRow, m_delayedFocusColumn );
 m_grid->SetGridCursor( m_delayedFocusRow, m_delayedFocusColumn );
 }
 
 m_delayedFocusRow = -1;
 m_delayedFocusColumn = -1;
}
 
 
void DIALOG_LABEL_PROPERTIES::OnSizeGrid( wxSizeEvent& event )
{
 int new_size = event.GetSize().GetX();
 
 if( m_width != new_size )
 AdjustGridColumns( new_size );
 
 // Always propagate for a grid repaint (needed if the height changes, as well as width)
 event.Skip();
}