sch_edit_frame.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2017 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * 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 <base_units.h>
#include <bitmaps.h>
#include <symbol_library.h>
#include <confirm.h>
#include <connection_graph.h>
#include <dialogs/dialog_erc.h>
#include <dialogs/dialog_schematic_find.h>
#include <dialogs/dialog_book_reporter.h>
#include <dialogs/dialog_symbol_fields_table.h>
#include <eeschema_id.h>
#include <executable_names.h>
#include <gal/graphics_abstraction_layer.h>
#include <gestfich.h>
#include <dialogs/html_message_box.h>
#include <core/ignore.h>
#include <invoke_sch_dialog.h>
#include <string_utils.h>
#include <kiface_base.h>
#include <kiplatform/app.h>
#include <kiway.h>
#include <symbol_edit_frame.h>
#include <symbol_viewer_frame.h>
#include <pgm_base.h>
#include <core/profile.h>
#include <project/project_file.h>
#include <project/net_settings.h>
#include <python_scripting.h>
#include <sch_edit_frame.h>
#include <symbol_chooser_frame.h>
#include <sch_painter.h>
#include <sch_sheet.h>
#include <sch_marker.h>
#include <schematic.h>
#include <sch_commit.h>
#include <settings/settings_manager.h>
#include <advanced_config.h>
#include <sim/simulator_frame.h>
#include <tool/action_manager.h>
#include <tool/action_toolbar.h>
#include <tool/common_control.h>
#include <tool/common_tools.h>
#include <tool/picker_tool.h>
#include <tool/properties_tool.h>
#include <tool/selection.h>
#include <tool/tool_dispatcher.h>
#include <tool/tool_manager.h>
#include <tool/zoom_tool.h>
#include <tools/ee_actions.h>
#include <tools/ee_inspection_tool.h>
#include <tools/ee_point_editor.h>
#include <tools/ee_selection_tool.h>
#include <tools/sch_drawing_tools.h>
#include <tools/sch_edit_tool.h>
#include <tools/sch_editor_conditions.h>
#include <tools/sch_editor_control.h>
#include <tools/sch_line_wire_bus_tool.h>
#include <tools/sch_move_tool.h>
#include <tools/sch_navigate_tool.h>
#include <tools/sch_find_replace_tool.h>
#include <view/view_controls.h>
#include <widgets/wx_infobar.h>
#include <widgets/hierarchy_pane.h>
#include <widgets/sch_properties_panel.h>
#include <widgets/sch_search_pane.h>
#include <wildcards_and_files_ext.h>
#include <wx/cmdline.h>
#include <wx/app.h>
#include <wx/filedlg.h>
#include <wx/socket.h>
#include <widgets/wx_aui_utils.h>
#include <drawing_sheet/ds_proxy_view_item.h>
 
 
#define DIFF_SYMBOLS_DIALOG_NAME wxT( "DiffSymbolsDialog" )
 
 
BEGIN_EVENT_TABLE( SCH_EDIT_FRAME, SCH_BASE_FRAME )
 EVT_SOCKET( ID_EDA_SOCKET_EVENT_SERV, EDA_DRAW_FRAME::OnSockRequestServer )
 EVT_SOCKET( ID_EDA_SOCKET_EVENT, EDA_DRAW_FRAME::OnSockRequest )
 
 EVT_SIZE( SCH_EDIT_FRAME::OnSize )
 
 EVT_MENU_RANGE( ID_FILE1, ID_FILEMAX, SCH_EDIT_FRAME::OnLoadFile )
 EVT_MENU( ID_FILE_LIST_CLEAR, SCH_EDIT_FRAME::OnClearFileHistory )
 
 EVT_MENU( ID_APPEND_PROJECT, SCH_EDIT_FRAME::OnAppendProject )
 EVT_MENU( ID_IMPORT_NON_KICAD_SCH, SCH_EDIT_FRAME::OnImportProject )
 
 EVT_MENU( wxID_EXIT, SCH_EDIT_FRAME::OnExit )
 EVT_MENU( wxID_CLOSE, SCH_EDIT_FRAME::OnExit )
 
 // Drop files event
 EVT_DROP_FILES( SCH_EDIT_FRAME::OnDropFiles )
END_EVENT_TABLE()
 
 
wxDEFINE_EVENT( EDA_EVT_SCHEMATIC_CHANGED, wxCommandEvent );
 
 
SCH_EDIT_FRAME::SCH_EDIT_FRAME( KIWAY* aKiway, wxWindow* aParent ) :
 SCH_BASE_FRAME( aKiway, aParent, FRAME_SCH, wxT( "Eeschema" ), wxDefaultPosition,
 wxDefaultSize, KICAD_DEFAULT_DRAWFRAME_STYLE, SCH_EDIT_FRAME_NAME ),
 m_ercDialog( nullptr ),
 m_diffSymbolDialog( nullptr ),
 m_symbolFieldsTableDialog( nullptr ),
 m_netNavigator( nullptr ),
 m_highlightedConnChanged( false )
{
 m_maximizeByDefault = true;
 m_schematic = new SCHEMATIC( nullptr );
 
 m_showBorderAndTitleBlock = true; // true to show sheet references
 m_supportsAutoSave = true;
 m_syncingPcbToSchSelection = false;
 m_aboutTitle = _HKI( "KiCad Schematic Editor" );
 m_show_search = false;
 
 m_findReplaceDialog = nullptr;
 
 m_findReplaceData = std::make_unique<SCH_SEARCH_DATA>();
 
 // Give an icon
 wxIcon icon;
 wxIconBundle icon_bundle;
 
 icon.CopyFromBitmap( KiBitmap( BITMAPS::icon_eeschema ) );
 icon_bundle.AddIcon( icon );
 icon.CopyFromBitmap( KiBitmap( BITMAPS::icon_eeschema_32 ) );
 icon_bundle.AddIcon( icon );
 icon.CopyFromBitmap( KiBitmap( BITMAPS::icon_eeschema_16 ) );
 icon_bundle.AddIcon( icon );
 
 SetIcons( icon_bundle );
 
 LoadSettings( eeconfig() );
 
 // NB: also links the schematic to the loaded project
 CreateScreens();
 SetCurrentSheet( Schematic().GetSheets()[0] );
 
 setupTools();
 setupUIConditions();
 ReCreateMenuBar();
 ReCreateHToolbar();
 ReCreateVToolbar();
 ReCreateOptToolbar();
 
 m_hierarchy = new HIERARCHY_PANE( this );
 
 // Initialize common print setup dialog settings.
 m_pageSetupData.GetPrintData().SetPrintMode( wxPRINT_MODE_PRINTER );
 m_pageSetupData.GetPrintData().SetQuality( wxPRINT_QUALITY_MEDIUM );
 m_pageSetupData.GetPrintData().SetBin( wxPRINTBIN_AUTO );
 m_pageSetupData.GetPrintData().SetNoCopies( 1 );
 
 m_searchPane = new SCH_SEARCH_PANE( this );
 m_propertiesPanel = new SCH_PROPERTIES_PANEL( this, this );
 
 m_propertiesPanel->SetSplitterProportion( eeconfig()->m_AuiPanels.properties_splitter );
 
 m_auimgr.SetManagedWindow( this );
 
 CreateInfoBar();
 
 // Rows; layers 4 - 6
 m_auimgr.AddPane( m_mainToolBar, EDA_PANE().HToolbar().Name( wxS( "MainToolbar" ) )
 .Top().Layer( 6 ) );
 
 m_auimgr.AddPane( m_messagePanel, EDA_PANE().Messages().Name( wxS( "MsgPanel" ) )
 .Bottom().Layer( 6 ) );
 
 // Columns; layers 1 - 3
 m_auimgr.AddPane( m_hierarchy, EDA_PANE().Palette().Name( SchematicHierarchyPaneName() )
 .Caption( _( "Schematic Hierarchy" ) )
 .Left().Layer( 3 )
 .TopDockable( false )
 .BottomDockable( false )
 .CloseButton( true )
 .MinSize( 120, 60 )
 .BestSize( 200, 200 )
 .FloatingSize( 200, 200 )
 .FloatingPosition( 50, 50 )
 .Show( false ) );
 
 m_auimgr.AddPane( m_propertiesPanel, defaultPropertiesPaneInfo() );
 
 m_auimgr.AddPane( createHighlightedNetNavigator(), defaultNetNavigatorPaneInfo() );
 
 m_auimgr.AddPane( m_optionsToolBar, EDA_PANE().VToolbar().Name( wxS( "OptToolbar" ) )
 .Left().Layer( 2 ) );
 
 m_auimgr.AddPane( m_drawToolBar, EDA_PANE().VToolbar().Name( wxS( "ToolsToolbar" ) )
 .Right().Layer( 2 ) );
 
 // Center
 m_auimgr.AddPane( GetCanvas(), EDA_PANE().Canvas().Name( wxS( "DrawFrame" ) )
 .Center() );
 
 m_auimgr.AddPane( m_searchPane, EDA_PANE()
 .Name( SearchPaneName() )
 .Bottom()
 .Caption( _( "Search" ) )
 .PaneBorder( false )
 .MinSize( 180, -1 )
 .BestSize( 180, -1 )
 .FloatingSize( 480, 200 )
 .CloseButton( true )
 .DestroyOnClose( false )
 .Show( m_show_search ) );
 
 FinishAUIInitialization();
 
 resolveCanvasType();
 SwitchCanvas( m_canvasType );
 
 GetCanvas()->GetGAL()->SetAxesEnabled( false );
 
 KIGFX::SCH_VIEW* view = GetCanvas()->GetView();
 static_cast<KIGFX::SCH_PAINTER*>( view->GetPainter() )->SetSchematic( m_schematic );
 
 wxAuiPaneInfo& hierarchy_pane = m_auimgr.GetPane( SchematicHierarchyPaneName() );
 wxAuiPaneInfo& netNavigatorPane = m_auimgr.GetPane( NetNavigatorPaneName() );
 wxAuiPaneInfo& propertiesPane = m_auimgr.GetPane( PropertiesPaneName() );
 EESCHEMA_SETTINGS* cfg = eeconfig();
 
 hierarchy_pane.Show( cfg->m_AuiPanels.show_schematic_hierarchy );
 netNavigatorPane.Show( cfg->m_AuiPanels.show_net_nav_panel );
 propertiesPane.Show( cfg->m_AuiPanels.show_properties );
 
 if( cfg->m_AuiPanels.hierarchy_panel_float_width > 0
 && cfg->m_AuiPanels.hierarchy_panel_float_height > 0 )
 {
 // Show at end, after positioning
 hierarchy_pane.FloatingSize( cfg->m_AuiPanels.hierarchy_panel_float_width,
 cfg->m_AuiPanels.hierarchy_panel_float_height );
 }
 
 if( cfg->m_AuiPanels.net_nav_panel_float_size.GetWidth() > 0
 && cfg->m_AuiPanels.net_nav_panel_float_size.GetHeight() > 0 )
 {
 netNavigatorPane.FloatingSize( cfg->m_AuiPanels.net_nav_panel_float_size );
 }
 
 if( cfg->m_AuiPanels.properties_panel_width > 0 )
 SetAuiPaneSize( m_auimgr, propertiesPane, cfg->m_AuiPanels.properties_panel_width, -1 );
 
 if( cfg->m_AuiPanels.schematic_hierarchy_float )
 hierarchy_pane.Float();
 
 if( cfg->m_AuiPanels.search_panel_height > 0
 && ( cfg->m_AuiPanels.search_panel_dock_direction == wxAUI_DOCK_TOP
 || cfg->m_AuiPanels.search_panel_dock_direction == wxAUI_DOCK_BOTTOM ) )
 {
 wxAuiPaneInfo& searchPane = m_auimgr.GetPane( SearchPaneName() );
 searchPane.Direction( cfg->m_AuiPanels.search_panel_dock_direction );
 SetAuiPaneSize( m_auimgr, searchPane, -1, cfg->m_AuiPanels.search_panel_height );
 }
 
 else if( cfg->m_AuiPanels.search_panel_width > 0
 && ( cfg->m_AuiPanels.search_panel_dock_direction == wxAUI_DOCK_LEFT
 || cfg->m_AuiPanels.search_panel_dock_direction == wxAUI_DOCK_RIGHT ) )
 {
 wxAuiPaneInfo& searchPane = m_auimgr.GetPane( SearchPaneName() );
 searchPane.Direction( cfg->m_AuiPanels.search_panel_dock_direction );
 SetAuiPaneSize( m_auimgr, searchPane, cfg->m_AuiPanels.search_panel_width, -1 );
 }
 
 if( cfg->m_AuiPanels.float_net_nav_panel )
 netNavigatorPane.Float();
 
 if( cfg->m_AuiPanels.hierarchy_panel_docked_width > 0 )
 {
 // If the net navigator is not show, let the heirarchy navigator take all of the vertical
 // space.
 if( !cfg->m_AuiPanels.show_net_nav_panel )
 {
 SetAuiPaneSize( m_auimgr, hierarchy_pane,
 cfg->m_AuiPanels.hierarchy_panel_docked_width, -1 );
 }
 else
 {
 SetAuiPaneSize( m_auimgr, hierarchy_pane,
 cfg->m_AuiPanels.hierarchy_panel_docked_width,
 cfg->m_AuiPanels.hierarchy_panel_docked_height );
 
 SetAuiPaneSize( m_auimgr, netNavigatorPane,
 cfg->m_AuiPanels.net_nav_panel_docked_size.GetWidth(),
 cfg->m_AuiPanels.net_nav_panel_docked_size.GetHeight() );
 }
 
 // wxAUI hack: force width by setting MinSize() and then Fixed()
 // thanks to ZenJu https://github.com/wxWidgets/wxWidgets/issues/13180
 hierarchy_pane.MinSize( cfg->m_AuiPanels.hierarchy_panel_docked_width, 60 );
 hierarchy_pane.Fixed();
 netNavigatorPane.MinSize( cfg->m_AuiPanels.net_nav_panel_docked_size.GetWidth(), 60 );
 netNavigatorPane.Fixed();
 m_auimgr.Update();
 
 // now make it resizable again
 hierarchy_pane.Resizable();
 netNavigatorPane.Resizable();
 m_auimgr.Update();
 
 // Note: DO NOT call m_auimgr.Update() anywhere after this; it will nuke the size
 // back to minimum.
 hierarchy_pane.MinSize( 120, 60 );
 netNavigatorPane.MinSize( 120, 60 );
 }
 else
 {
 m_auimgr.Update();
 }
 
 LoadProjectSettings();
 
 view->SetLayerVisible( LAYER_ERC_ERR, cfg->m_Appearance.show_erc_errors );
 view->SetLayerVisible( LAYER_ERC_WARN, cfg->m_Appearance.show_erc_warnings );
 view->SetLayerVisible( LAYER_ERC_EXCLUSION, cfg->m_Appearance.show_erc_exclusions );
 view->SetLayerVisible( LAYER_OP_VOLTAGES, cfg->m_Appearance.show_op_voltages );
 view->SetLayerVisible( LAYER_OP_CURRENTS, cfg->m_Appearance.show_op_currents );
 
 initScreenZoom();
 
 m_hierarchy->Bind( wxEVT_SIZE, &SCH_EDIT_FRAME::OnResizeHierarchyNavigator, this );
 m_netNavigator->Bind( wxEVT_TREE_SEL_CHANGING, &SCH_EDIT_FRAME::onNetNavigatorSelChanging,
 this );
 m_netNavigator->Bind( wxEVT_TREE_SEL_CHANGED, &SCH_EDIT_FRAME::onNetNavigatorSelection, this );
 m_netNavigator->Bind( wxEVT_SIZE, &SCH_EDIT_FRAME::onResizeNetNavigator, this );
 
 // This is used temporarily to fix a client size issue on GTK that causes zoom to fit
 // to calculate the wrong zoom size. See SCH_EDIT_FRAME::onSize().
 Bind( wxEVT_SIZE, &SCH_EDIT_FRAME::onSize, this );
 
 setupUnits( eeconfig() );
 
 // Net list generator
 DefaultExecFlags();
 
 updateTitle();
 m_toolManager->GetTool<SCH_NAVIGATE_TOOL>()->ResetHistory();
 
 // Default shutdown reason until a file is loaded
 KIPLATFORM::APP::SetShutdownBlockReason( this, _( "New schematic file is unsaved" ) );
 
 // Init for dropping files
 m_acceptedExts.emplace( KiCadSchematicFileExtension, &EE_ACTIONS::ddAppendFile );
 DragAcceptFiles( true );
 
 // Ensure the window is on top
 Raise();
 
 // Now that all sizes are fixed, set the initial hierarchy_pane floating position to the
 // top-left corner of the canvas
 wxPoint canvas_pos = GetCanvas()->GetScreenPosition();
 hierarchy_pane.FloatingPosition( canvas_pos.x + 10, canvas_pos.y + 10 );
 
 Bind( EDA_EVT_CLOSE_DIALOG_BOOK_REPORTER, &SCH_EDIT_FRAME::onCloseSymbolDiffDialog, this );
 Bind( EDA_EVT_CLOSE_ERC_DIALOG, &SCH_EDIT_FRAME::onCloseErcDialog, this );
 Bind( EDA_EVT_CLOSE_DIALOG_SYMBOL_FIELDS_TABLE, &SCH_EDIT_FRAME::onCloseSymbolFieldsTableDialog,
 this );
}
 
 
SCH_EDIT_FRAME::~SCH_EDIT_FRAME()
{
 m_hierarchy->Unbind( wxEVT_SIZE, &SCH_EDIT_FRAME::OnResizeHierarchyNavigator, this );
 
 // Ensure m_canvasType is up to date, to save it in config
 m_canvasType = GetCanvas()->GetBackend();
 
 SetScreen( nullptr );
 
 if( m_schematic )
 m_schematic->RemoveAllListeners();
 
 delete m_schematic;
 m_schematic = nullptr;
 
 // Close the project if we are standalone, so it gets cleaned up properly
 if( Kiface().IsSingle() )
 {
 try
 {
 GetSettingsManager()->UnloadProject( &Prj(), false );
 }
 catch( const nlohmann::detail::type_error& exc )
 {
 // This may be overkill and could be an assertion but we are more likely to
 // find any settings manager errors this way.
 wxLogError( wxT( "Settings exception '%s' occurred." ), exc.what() );
 }
 }
 
 delete m_hierarchy;
}
 
 
void SCH_EDIT_FRAME::OnResizeHierarchyNavigator( wxSizeEvent& aEvent )
{
 aEvent.Skip();
 
 // Called when resizing the Hierarchy Navigator panel
 // Store the current pane size
 // It allows to retrieve the last defined pane size when switching between
 // docked and floating pane state
 // Note: *DO NOT* call m_auimgr.Update() here: it crashes Kicad at least on Windows
 
 EESCHEMA_SETTINGS* cfg = dynamic_cast<EESCHEMA_SETTINGS*>( Kiface().KifaceSettings() );
 wxAuiPaneInfo& hierarchy_pane = m_auimgr.GetPane( SchematicHierarchyPaneName() );
 
 if( cfg && m_hierarchy->IsShown() )
 {
 cfg->m_AuiPanels.hierarchy_panel_float_width = hierarchy_pane.floating_size.x;
 cfg->m_AuiPanels.hierarchy_panel_float_height = hierarchy_pane.floating_size.y;
 
 // initialize hierarchy_panel_docked_width and best size only if the hierarchy_pane
 // width is > 0 (i.e. if its size is already set and has meaning)
 // if it is floating, its size is not initialized (only floating_size is initialized)
 // initializing hierarchy_pane.best_size is useful when switching to float pane and
 // after switching to the docked pane, to retrieve the last docked pane width
 if( hierarchy_pane.rect.width > 50 ) // 50 is a good margin
 {
 cfg->m_AuiPanels.hierarchy_panel_docked_width = hierarchy_pane.rect.width;
 hierarchy_pane.best_size.x = hierarchy_pane.rect.width;
 }
 }
}
 
 
void SCH_EDIT_FRAME::setupTools()
{
 // Create the manager and dispatcher & route draw panel events to the dispatcher
 m_toolManager = new TOOL_MANAGER;
 m_toolManager->SetEnvironment( &Schematic(), GetCanvas()->GetView(),
 GetCanvas()->GetViewControls(), config(), this );
 m_actions = new EE_ACTIONS();
 m_toolDispatcher = new TOOL_DISPATCHER( m_toolManager );
 
 // Register tools
 m_toolManager->RegisterTool( new COMMON_CONTROL );
 m_toolManager->RegisterTool( new COMMON_TOOLS );
 m_toolManager->RegisterTool( new ZOOM_TOOL );
 m_toolManager->RegisterTool( new EE_SELECTION_TOOL );
 m_toolManager->RegisterTool( new PICKER_TOOL );
 m_toolManager->RegisterTool( new SCH_DRAWING_TOOLS );
 m_toolManager->RegisterTool( new SCH_LINE_WIRE_BUS_TOOL );
 m_toolManager->RegisterTool( new SCH_MOVE_TOOL );
 m_toolManager->RegisterTool( new SCH_EDIT_TOOL );
 m_toolManager->RegisterTool( new EE_INSPECTION_TOOL );
 m_toolManager->RegisterTool( new SCH_EDITOR_CONTROL );
 m_toolManager->RegisterTool( new SCH_FIND_REPLACE_TOOL );
 m_toolManager->RegisterTool( new EE_POINT_EDITOR );
 m_toolManager->RegisterTool( new SCH_NAVIGATE_TOOL );
 m_toolManager->RegisterTool( new PROPERTIES_TOOL );
 m_toolManager->InitTools();
 
 // Run the selection tool, it is supposed to be always active
 m_toolManager->PostAction( EE_ACTIONS::selectionActivate );
 
 GetCanvas()->SetEventDispatcher( m_toolDispatcher );
}
 
 
void SCH_EDIT_FRAME::setupUIConditions()
{
 SCH_BASE_FRAME::setupUIConditions();
 
 ACTION_MANAGER* mgr = m_toolManager->GetActionManager();
 SCH_EDITOR_CONDITIONS cond( this );
 
 wxASSERT( mgr );
 
 auto hasElements =
 [ this ] ( const SELECTION& aSel )
 {
 return GetScreen() &&
 ( !GetScreen()->Items().empty() || !SELECTION_CONDITIONS::Idle( aSel ) );
 };
 
 auto searchPaneCond =
 [this] ( const SELECTION& )
 {
 return m_auimgr.GetPane( SearchPaneName() ).IsShown();
 };
 
 auto propertiesCond =
 [this] ( const SELECTION& )
 {
 return m_auimgr.GetPane( PropertiesPaneName() ).IsShown();
 };
 
 auto hierarchyNavigatorCond =
 [ this ] ( const SELECTION& aSel )
 {
 return m_auimgr.GetPane( SchematicHierarchyPaneName() ).IsShown();
 };
 
 auto netNavigatorCond =
 [ this ] (const SELECTION& aSel )
 {
 return m_auimgr.GetPane( NetNavigatorPaneName() ).IsShown();
 };
 
 auto undoCond =
 [ this ] (const SELECTION& aSel )
 {
 if( SCH_LINE_WIRE_BUS_TOOL::IsDrawingLineWireOrBus( aSel ) )
 return true;
 
 return GetUndoCommandCount() > 0;
 };
 
#define ENABLE( x ) ACTION_CONDITIONS().Enable( x )
#define CHECK( x ) ACTION_CONDITIONS().Check( x )
 
 mgr->SetConditions( ACTIONS::save, ENABLE( SELECTION_CONDITIONS::ShowAlways ) );
 mgr->SetConditions( ACTIONS::undo, ENABLE( undoCond ) );
 mgr->SetConditions( ACTIONS::redo, ENABLE( cond.RedoAvailable() ) );
 
 mgr->SetConditions( EE_ACTIONS::showSearch, CHECK( searchPaneCond ) );
 mgr->SetConditions( EE_ACTIONS::showHierarchy, CHECK( hierarchyNavigatorCond ) );
 mgr->SetConditions( EE_ACTIONS::showNetNavigator, CHECK( netNavigatorCond ) );
 mgr->SetConditions( ACTIONS::showProperties, CHECK( propertiesCond ) );
 mgr->SetConditions( ACTIONS::toggleGrid, CHECK( cond.GridVisible() ) );
 mgr->SetConditions( ACTIONS::toggleGridOverrides, CHECK( cond.GridOverrides() ) );
 mgr->SetConditions( ACTIONS::toggleCursorStyle, CHECK( cond.FullscreenCursor() ) );
 mgr->SetConditions( ACTIONS::millimetersUnits,
 CHECK( cond.Units( EDA_UNITS::MILLIMETRES ) ) );
 mgr->SetConditions( ACTIONS::inchesUnits, CHECK( cond.Units( EDA_UNITS::INCHES ) ) );
 mgr->SetConditions( ACTIONS::milsUnits, CHECK( cond.Units( EDA_UNITS::MILS ) ) );
 
 mgr->SetConditions( EE_ACTIONS::lineModeFree,
 CHECK( cond.LineMode( LINE_MODE::LINE_MODE_FREE ) ) );
 mgr->SetConditions( EE_ACTIONS::lineMode90,
 CHECK( cond.LineMode( LINE_MODE::LINE_MODE_90 ) ) );
 mgr->SetConditions( EE_ACTIONS::lineMode45,
 CHECK( cond.LineMode( LINE_MODE::LINE_MODE_45 ) ) );
 
 mgr->SetConditions( ACTIONS::cut, ENABLE( hasElements ) );
 mgr->SetConditions( ACTIONS::copy, ENABLE( hasElements ) );
 mgr->SetConditions( ACTIONS::paste, ENABLE( SELECTION_CONDITIONS::Idle ) );
 mgr->SetConditions( ACTIONS::pasteSpecial, ENABLE( SELECTION_CONDITIONS::Idle ) );
 mgr->SetConditions( ACTIONS::doDelete, ENABLE( hasElements ) );
 mgr->SetConditions( ACTIONS::duplicate, ENABLE( hasElements ) );
 mgr->SetConditions( ACTIONS::selectAll, ENABLE( hasElements ) );
 mgr->SetConditions( ACTIONS::unselectAll, ENABLE( hasElements ) );
 
 mgr->SetConditions( EE_ACTIONS::rotateCW, ENABLE( hasElements ) );
 mgr->SetConditions( EE_ACTIONS::rotateCCW, ENABLE( hasElements ) );
 mgr->SetConditions( EE_ACTIONS::mirrorH, ENABLE( hasElements ) );
 mgr->SetConditions( EE_ACTIONS::mirrorV, ENABLE( hasElements ) );
 
 mgr->SetConditions( ACTIONS::zoomTool,
 CHECK( cond.CurrentTool( ACTIONS::zoomTool ) ) );
 mgr->SetConditions( ACTIONS::selectionTool,
 CHECK( cond.CurrentTool( ACTIONS::selectionTool ) ) );
 
 if( SCRIPTING::IsWxAvailable() )
 {
 mgr->SetConditions( EE_ACTIONS::showPythonConsole,
 CHECK( cond.ScriptingConsoleVisible() ) );
 }
 
 auto showHiddenPinsCond =
 [this]( const SELECTION& )
 {
 return GetShowAllPins();
 };
 
 auto showHiddenFieldsCond =
 [this]( const SELECTION& )
 {
 EESCHEMA_SETTINGS* cfg = eeconfig();
 return cfg && cfg->m_Appearance.show_hidden_fields;
 };
 
 auto showDirectiveLabelsCond =
 [this]( const SELECTION& )
 {
 EESCHEMA_SETTINGS* cfg = eeconfig();
 return cfg && cfg->m_Appearance.show_directive_labels;
 };
 
 auto showERCErrorsCond =
 [this]( const SELECTION& )
 {
 EESCHEMA_SETTINGS* cfg = eeconfig();
 return cfg && cfg->m_Appearance.show_erc_errors;
 };
 
 auto showERCWarningsCond =
 [this]( const SELECTION& )
 {
 EESCHEMA_SETTINGS* cfg = eeconfig();
 return cfg && cfg->m_Appearance.show_erc_warnings;
 };
 
 auto showERCExclusionsCond =
 [this]( const SELECTION& )
 {
 EESCHEMA_SETTINGS* cfg = eeconfig();
 return cfg && cfg->m_Appearance.show_erc_exclusions;
 };
 
 auto showOPVoltagesCond =
 [this]( const SELECTION& )
 {
 EESCHEMA_SETTINGS* cfg = eeconfig();
 return cfg && cfg->m_Appearance.show_op_voltages;
 };
 
 auto showOPCurrentsCond =
 [this]( const SELECTION& )
 {
 EESCHEMA_SETTINGS* cfg = eeconfig();
 return cfg && cfg->m_Appearance.show_op_currents;
 };
 
 auto showAnnotateAutomaticallyCond =
 [this]( const SELECTION& )
 {
 EESCHEMA_SETTINGS* cfg = eeconfig();
 return cfg && cfg->m_AnnotatePanel.automatic;
 };
 
 auto remapSymbolsCondition =
 [&]( const SELECTION& aSel )
 {
 SCH_SCREENS schematic( Schematic().Root() );
 
 // The remapping can only be performed on legacy projects.
 return schematic.HasNoFullyDefinedLibIds();
 };
 
 auto belowRootSheetCondition =
 [this]( const SELECTION& aSel )
 {
 SCH_NAVIGATE_TOOL* navigateTool = m_toolManager->GetTool<SCH_NAVIGATE_TOOL>();
 return navigateTool && navigateTool->CanGoUp();
 };
 
 auto navSchematicHasPreviousSheet =
 [this]( const SELECTION& aSel )
 {
 SCH_NAVIGATE_TOOL* navigateTool = m_toolManager->GetTool<SCH_NAVIGATE_TOOL>();
 return navigateTool && navigateTool->CanGoPrevious();
 };
 
 auto navSchematicHasNextSheet =
 [this]( const SELECTION& aSel )
 {
 SCH_NAVIGATE_TOOL* navigateTool = m_toolManager->GetTool<SCH_NAVIGATE_TOOL>();
 return navigateTool && navigateTool->CanGoNext();
 };
 
 mgr->SetConditions( EE_ACTIONS::leaveSheet, ENABLE( belowRootSheetCondition ) );
 
 /* Some of these are bound by default to arrow keys which will get a different action if we
 * disable the buttons. So always leave them enabled so the action is consistent.
 * https://gitlab.com/kicad/code/kicad/-/issues/14783
 mgr->SetConditions( EE_ACTIONS::navigateUp, ENABLE( belowRootSheetCondition ) );
 mgr->SetConditions( EE_ACTIONS::navigateForward, ENABLE( navHistoryHasForward ) );
 mgr->SetConditions( EE_ACTIONS::navigateBack, ENABLE( navHistoryHsBackward ) );
 */
 
 mgr->SetConditions( EE_ACTIONS::navigatePrevious, ENABLE( navSchematicHasPreviousSheet ) );
 mgr->SetConditions( EE_ACTIONS::navigateNext, ENABLE( navSchematicHasNextSheet ) );
 mgr->SetConditions( EE_ACTIONS::remapSymbols, ENABLE( remapSymbolsCondition ) );
 mgr->SetConditions( EE_ACTIONS::toggleHiddenPins, CHECK( showHiddenPinsCond ) );
 mgr->SetConditions( EE_ACTIONS::toggleHiddenFields, CHECK( showHiddenFieldsCond ) );
 mgr->SetConditions( EE_ACTIONS::toggleDirectiveLabels, CHECK( showDirectiveLabelsCond ) );
 mgr->SetConditions( EE_ACTIONS::toggleERCErrors, CHECK( showERCErrorsCond ) );
 mgr->SetConditions( EE_ACTIONS::toggleERCWarnings, CHECK( showERCWarningsCond ) );
 mgr->SetConditions( EE_ACTIONS::toggleERCExclusions, CHECK( showERCExclusionsCond ) );
 mgr->SetConditions( EE_ACTIONS::toggleOPVoltages, CHECK( showOPVoltagesCond ) );
 mgr->SetConditions( EE_ACTIONS::toggleOPCurrents, CHECK( showOPCurrentsCond ) );
 mgr->SetConditions( EE_ACTIONS::toggleAnnotateAuto, CHECK( showAnnotateAutomaticallyCond ) );
 mgr->SetConditions( ACTIONS::toggleBoundingBoxes, CHECK( cond.BoundingBoxes() ) );
 
#define CURRENT_TOOL( action ) mgr->SetConditions( action, CHECK( cond.CurrentTool( action ) ) )
 
 CURRENT_TOOL( ACTIONS::deleteTool );
 CURRENT_TOOL( EE_ACTIONS::highlightNetTool );
 CURRENT_TOOL( EE_ACTIONS::placeSymbol );
 CURRENT_TOOL( EE_ACTIONS::placePower );
 CURRENT_TOOL( EE_ACTIONS::drawWire );
 CURRENT_TOOL( EE_ACTIONS::drawBus );
 CURRENT_TOOL( EE_ACTIONS::placeBusWireEntry );
 CURRENT_TOOL( EE_ACTIONS::placeNoConnect );
 CURRENT_TOOL( EE_ACTIONS::placeJunction );
 CURRENT_TOOL( EE_ACTIONS::placeLabel );
 CURRENT_TOOL( EE_ACTIONS::placeClassLabel );
 CURRENT_TOOL( EE_ACTIONS::placeGlobalLabel );
 CURRENT_TOOL( EE_ACTIONS::placeHierLabel );
 CURRENT_TOOL( EE_ACTIONS::drawSheet );
 CURRENT_TOOL( EE_ACTIONS::importSheetPin );
 CURRENT_TOOL( EE_ACTIONS::drawRectangle );
 CURRENT_TOOL( EE_ACTIONS::drawCircle );
 CURRENT_TOOL( EE_ACTIONS::drawArc );
 CURRENT_TOOL( EE_ACTIONS::drawLines );
 CURRENT_TOOL( EE_ACTIONS::placeSchematicText );
 CURRENT_TOOL( EE_ACTIONS::drawTextBox );
 CURRENT_TOOL( EE_ACTIONS::placeImage );
 
#undef CURRENT_TOOL
#undef CHECK
#undef ENABLE
}
 
 
void SCH_EDIT_FRAME::SaveCopyForRepeatItem( const SCH_ITEM* aItem )
{
 // we cannot store a pointer to an item in the display list here since
 // that item may be deleted, such as part of a line concatenation or other.
 // So simply always keep a copy of the object which is to be repeated.
 
 if( aItem )
 {
 m_items_to_repeat.clear();
 
 AddCopyForRepeatItem( aItem );
 }
}
 
 
void SCH_EDIT_FRAME::AddCopyForRepeatItem( const SCH_ITEM* aItem )
{
 // we cannot store a pointer to an item in the display list here since
 // that item may be deleted, such as part of a line concatenation or other.
 // So simply always keep a copy of the object which is to be repeated.
 
 if( aItem )
 {
 std::unique_ptr<SCH_ITEM> repeatItem( static_cast<SCH_ITEM*>( aItem->Duplicate() ) );
 
 // Clone() preserves the flags, we want 'em cleared.
 repeatItem->ClearFlags();
 
 m_items_to_repeat.emplace_back( std::move( repeatItem ) );
 }
}
 
 
EDA_ITEM* SCH_EDIT_FRAME::GetItem( const KIID& aId ) const
{
 return Schematic().GetSheets().GetItem( aId );
}
 
 
void SCH_EDIT_FRAME::SetSheetNumberAndCount()
{
 Schematic().SetSheetNumberAndCount();
}
 
 
SCH_SCREEN* SCH_EDIT_FRAME::GetScreen() const
{
 return GetCurrentSheet().LastScreen();
}
 
 
SCHEMATIC& SCH_EDIT_FRAME::Schematic() const
{
 return *m_schematic;
}
 
 
wxString SCH_EDIT_FRAME::GetScreenDesc() const
{
 return GetCurrentSheet().Last()->GetName();
}
 
 
wxString SCH_EDIT_FRAME::GetFullScreenDesc() const
{
 return GetCurrentSheet().PathHumanReadable();
}
 
 
void SCH_EDIT_FRAME::CreateScreens()
{
 m_schematic->Reset();
 m_schematic->SetProject( &Prj() );
 
 SCH_SHEET* rootSheet = new SCH_SHEET( m_schematic );
 m_schematic->SetRoot( rootSheet );
 
 SCH_SCREEN* rootScreen = new SCH_SCREEN( m_schematic );
 const_cast<KIID&>( rootSheet->m_Uuid ) = rootScreen->GetUuid();
 m_schematic->Root().SetScreen( rootScreen );
 SetScreen( Schematic().RootScreen() );
 
 
 m_schematic->RootScreen()->SetFileName( wxEmptyString );
 
 // Don't leave root page number empty
 SCH_SHEET_PATH rootSheetPath;
 
 rootSheetPath.push_back( rootSheet );
 m_schematic->RootScreen()->SetPageNumber( wxT( "1" ) );
 rootSheetPath.SetPageNumber( wxT( "1" ) );
 
 if( GetScreen() == nullptr )
 {
 SCH_SCREEN* screen = new SCH_SCREEN( m_schematic );
 SetScreen( screen );
 }
}
 
 
SCH_SHEET_PATH& SCH_EDIT_FRAME::GetCurrentSheet() const
{
 return m_schematic->CurrentSheet();
}
 
 
void SCH_EDIT_FRAME::SetCurrentSheet( const SCH_SHEET_PATH& aSheet )
{
 if( aSheet != GetCurrentSheet() )
 {
 FocusOnItem( nullptr );
 
 Schematic().SetCurrentSheet( aSheet );
 GetCanvas()->DisplaySheet( aSheet.LastScreen() );
 }
}
 
 
void SCH_EDIT_FRAME::HardRedraw()
{
 SCH_SCREEN* screen = GetCurrentSheet().LastScreen();
 
 for( SCH_ITEM* item : screen->Items() )
 item->ClearCaches();
 
 for( const std::pair<const wxString, LIB_SYMBOL*>& libSymbol : screen->GetLibSymbols() )
 {
 wxCHECK2( libSymbol.second, continue );
 libSymbol.second->ClearCaches();
 }
 
 if( Schematic().Settings().m_IntersheetRefsShow )
 RecomputeIntersheetRefs();
 
 FocusOnItem( nullptr );
 
 GetCanvas()->DisplaySheet( GetCurrentSheet().LastScreen() );
 
 if( EE_SELECTION_TOOL* selectionTool = m_toolManager->GetTool<EE_SELECTION_TOOL>() )
 selectionTool->Reset( TOOL_BASE::REDRAW );
 
 GetCanvas()->ForceRefresh();
}
 
 
bool SCH_EDIT_FRAME::canCloseWindow( wxCloseEvent& aEvent )
{
 // Exit interactive editing
 // Note this this will commit *some* pending changes. For instance, the EE_POINT_EDITOR
 // will cancel any drag currently in progress, but commit all changes from previous drags.
 if( m_toolManager )
 m_toolManager->RunAction( ACTIONS::cancelInteractive );
 
 // Shutdown blocks must be determined and vetoed as early as possible
 if( KIPLATFORM::APP::SupportsShutdownBlockReason() && aEvent.GetId() == wxEVT_QUERY_END_SESSION
 && Schematic().GetSheets().IsModified() )
 {
 return false;
 }
 
 if( Kiface().IsSingle() )
 {
 auto* symbolEditor = (SYMBOL_EDIT_FRAME*) Kiway().Player( FRAME_SCH_SYMBOL_EDITOR, false );
 
 if( symbolEditor && !symbolEditor->Close() ) // Can close symbol editor?
 return false;
 
 auto* symbolViewer = (SYMBOL_VIEWER_FRAME*) Kiway().Player( FRAME_SCH_VIEWER, false );
 
 if( symbolViewer && !symbolViewer->Close() ) // Can close symbol viewer?
 return false;
 
 // SYMBOL_CHOOSER_FRAME is always modal so this shouldn't come up, but better safe than
 // sorry.
 auto* chooser = (SYMBOL_CHOOSER_FRAME*) Kiway().Player( FRAME_SYMBOL_CHOOSER, false );
 
 if( chooser && !chooser->Close() ) // Can close symbol chooser?
 return false;
 }
 else
 {
 auto* symbolEditor = (SYMBOL_EDIT_FRAME*) Kiway().Player( FRAME_SCH_SYMBOL_EDITOR, false );
 
 if( symbolEditor && symbolEditor->IsSymbolFromSchematic() )
 {
 if( !symbolEditor->CanCloseSymbolFromSchematic( true ) )
 return false;
 }
 }
 
 if( !Kiway().PlayerClose( FRAME_SIMULATOR, false ) ) // Can close the simulator?
 return false;
 
 if( m_symbolFieldsTableDialog
 && !m_symbolFieldsTableDialog->Close( false ) ) // Can close the symbol fields table?
 {
 return false;
 }
 
 // We may have gotten multiple events; don't clean up twice
 if( !Schematic().IsValid() )
 return false;
 
 SCH_SHEET_LIST sheetlist = Schematic().GetSheets();
 
 if( sheetlist.IsModified() )
 {
 wxFileName fileName = Schematic().RootScreen()->GetFileName();
 wxString msg = _( "Save changes to '%s' before closing?" );
 
 if( !HandleUnsavedChanges( this, wxString::Format( msg, fileName.GetFullName() ),
 [&]() -> bool
 {
 return SaveProject();
 } ) )
 {
 return false;
 }
 }
 
 return true;
}
 
 
void SCH_EDIT_FRAME::doCloseWindow()
{
 SCH_SHEET_LIST sheetlist = Schematic().GetSheets();
 
 // Shutdown all running tools
 if( m_toolManager )
 m_toolManager->ShutdownAllTools();
 
 // Close modeless dialogs. They're trouble when they get destroyed after the frame.
 Unbind( EDA_EVT_CLOSE_DIALOG_BOOK_REPORTER, &SCH_EDIT_FRAME::onCloseSymbolDiffDialog, this );
 Unbind( EDA_EVT_CLOSE_ERC_DIALOG, &SCH_EDIT_FRAME::onCloseErcDialog, this );
 Unbind( EDA_EVT_CLOSE_DIALOG_SYMBOL_FIELDS_TABLE,
 &SCH_EDIT_FRAME::onCloseSymbolFieldsTableDialog, this );
 m_netNavigator->Unbind( wxEVT_TREE_SEL_CHANGING, &SCH_EDIT_FRAME::onNetNavigatorSelChanging,
 this );
 m_netNavigator->Unbind( wxEVT_TREE_SEL_CHANGED, &SCH_EDIT_FRAME::onNetNavigatorSelection,
 this );
 
 // Close the find dialog and preserve its setting if it is displayed.
 if( m_findReplaceDialog )
 {
 m_findStringHistoryList = m_findReplaceDialog->GetFindEntries();
 m_replaceStringHistoryList = m_findReplaceDialog->GetReplaceEntries();
 
 m_findReplaceDialog->Destroy();
 m_findReplaceDialog = nullptr;
 }
 
 if( m_diffSymbolDialog )
 {
 m_diffSymbolDialog->Destroy();
 m_diffSymbolDialog = nullptr;
 }
 
 if( m_ercDialog )
 {
 m_ercDialog->Destroy();
 m_ercDialog = nullptr;
 }
 
 if( m_symbolFieldsTableDialog )
 {
 m_symbolFieldsTableDialog->Destroy();
 m_symbolFieldsTableDialog = nullptr;
 }
 
 // Shutdown all running tools
 if( m_toolManager )
 {
 m_toolManager->ShutdownAllTools();
 // prevent the canvas from trying to dispatch events during close
 GetCanvas()->SetEventDispatcher( nullptr );
 delete m_toolManager;
 m_toolManager = nullptr;
 }
 
 wxAuiPaneInfo& hierarchy_pane = m_auimgr.GetPane( SchematicHierarchyPaneName() );
 
 if( hierarchy_pane.IsShown() && hierarchy_pane.IsFloating() )
 {
 hierarchy_pane.Show( false );
 m_auimgr.Update();
 }
 
 SCH_SCREENS screens( Schematic().Root() );
 wxFileName fn;
 
 for( SCH_SCREEN* screen = screens.GetFirst(); screen != nullptr; screen = screens.GetNext() )
 {
 fn = Prj().AbsolutePath( screen->GetFileName() );
 
 // Auto save file name is the normal file name prepended with GetAutoSaveFilePrefix().
 fn.SetName( GetAutoSaveFilePrefix() + fn.GetName() );
 
 if( fn.IsFileWritable() )
 wxRemoveFile( fn.GetFullPath() );
 }
 
 wxFileName tmpFn = Prj().GetProjectFullName();
 wxFileName autoSaveFileName( tmpFn.GetPath(), getAutoSaveFileName() );
 
 if( autoSaveFileName.IsFileWritable() )
 wxRemoveFile( autoSaveFileName.GetFullPath() );
 
 sheetlist.ClearModifyStatus();
 
 wxString fileName = Prj().AbsolutePath( Schematic().RootScreen()->GetFileName() );
 
 if( !Schematic().GetFileName().IsEmpty() && !Schematic().RootScreen()->IsEmpty() )
 UpdateFileHistory( fileName );
 
 // Make sure local settings are persisted
 SaveProjectLocalSettings();
 
 Schematic().RootScreen()->Clear();
 
 // all sub sheets are deleted, only the main sheet is usable
 GetCurrentSheet().clear();
 
 // Clear view before destroying schematic as repaints depend on schematic being valid
 SetScreen( nullptr );
 
 Schematic().Reset();
 
 // Prevents any rogue events from continuing (i.e. search panel tries to redraw)
 Show( false );
 
 Destroy();
}
 
 
SEVERITY SCH_EDIT_FRAME::GetSeverity( int aErrorCode ) const
{
 return Schematic().ErcSettings().GetSeverity( aErrorCode );
}
 
 
void SCH_EDIT_FRAME::OnModify()
{
 EDA_BASE_FRAME::OnModify();
 
 wxCHECK( GetScreen(), /* void */ );
 
 GetScreen()->SetContentModified();
 m_autoSaveRequired = true;
 
 GetCanvas()->Refresh();
 UpdateHierarchyNavigator();
 
 if( !GetTitle().StartsWith( wxS( "*" ) ) )
 updateTitle();
}
 
 
void SCH_EDIT_FRAME::OnUpdatePCB( wxCommandEvent& event )
{
 if( Kiface().IsSingle() )
 {
 DisplayError( this, _( "Cannot update the PCB, because the Schematic Editor is opened"
 " in stand-alone mode. In order to create/update PCBs from"
 " schematics, launch the KiCad shell and create a project." ) );
 return;
 }
 
 KIWAY_PLAYER* frame = Kiway().Player( FRAME_PCB_EDITOR, false );
 
 if( !frame )
 {
 wxFileName fn = Prj().GetProjectFullName();
 fn.SetExt( PcbFileExtension );
 
 frame = Kiway().Player( FRAME_PCB_EDITOR, true );
 
 // If Kiway() cannot create the Pcbnew frame, it shows a error message, and
 // frame is null
 if( !frame )
 return;
 
 frame->OpenProjectFiles( std::vector<wxString>( 1, fn.GetFullPath() ) );
 }
 
 if( !frame->IsVisible() )
 frame->Show( true );
 
 // On Windows, Raise() does not bring the window on screen, when iconized
 if( frame->IsIconized() )
 frame->Iconize( false );
 
 frame->Raise();
 
 std::string payload;
 Kiway().ExpressMail( FRAME_PCB_EDITOR, MAIL_PCB_UPDATE, payload, this );
}
 
 
void SCH_EDIT_FRAME::UpdateHierarchyNavigator()
{
 m_toolManager->GetTool<SCH_NAVIGATE_TOOL>()->CleanHistory();
 m_hierarchy->UpdateHierarchyTree();
}
 
 
void SCH_EDIT_FRAME::UpdateHierarchySelection()
{
 m_hierarchy->UpdateHierarchySelection();
}
 
 
void SCH_EDIT_FRAME::ShowFindReplaceDialog( bool aReplace )
{
 wxString findString;
 
 EE_SELECTION& selection = m_toolManager->GetTool<EE_SELECTION_TOOL>()->GetSelection();
 
 if( selection.Size() == 1 )
 {
 EDA_ITEM* front = selection.Front();
 
 switch( front->Type() )
 {
 case SCH_SYMBOL_T:
 {
 SCH_SYMBOL* symbol = static_cast<SCH_SYMBOL*>( front );
 findString = UnescapeString( symbol->GetField( VALUE_FIELD )->GetText() );
 break;
 }
 
 case SCH_FIELD_T:
 findString = UnescapeString( static_cast<SCH_FIELD*>( front )->GetText() );
 break;
 
 case SCH_LABEL_T:
 case SCH_GLOBAL_LABEL_T:
 case SCH_HIER_LABEL_T:
 case SCH_SHEET_PIN_T:
 findString = UnescapeString( static_cast<SCH_LABEL_BASE*>( front )->GetText() );
 break;
 
 case SCH_TEXT_T:
 findString = UnescapeString( static_cast<SCH_TEXT*>( front )->GetText() );
 
 if( findString.Contains( wxT( "\n" ) ) )
 findString = findString.Before( '\n' );
 
 break;
 
 default:
 break;
 }
 }
 
 if( m_findReplaceDialog )
 m_findReplaceDialog->Destroy();
 
 m_findReplaceDialog = new DIALOG_SCH_FIND( this,
 static_cast<SCH_SEARCH_DATA*>( m_findReplaceData.get() ),
 wxDefaultPosition, wxDefaultSize,
 aReplace ? wxFR_REPLACEDIALOG : 0 );
 
 m_findReplaceDialog->SetFindEntries( m_findStringHistoryList, findString );
 m_findReplaceDialog->SetReplaceEntries( m_replaceStringHistoryList );
 m_findReplaceDialog->Show( true );
}
 
 
void SCH_EDIT_FRAME::ShowFindReplaceStatus( const wxString& aMsg, int aStatusTime )
{
 // Prepare the infobar, since we don't know its state
 m_infoBar->RemoveAllButtons();
 m_infoBar->AddCloseButton();
 
 m_infoBar->ShowMessageFor( aMsg, aStatusTime, wxICON_INFORMATION );
}
 
 
void SCH_EDIT_FRAME::ClearFindReplaceStatus()
{
 m_infoBar->Dismiss();
}
 
 
void SCH_EDIT_FRAME::OnFindDialogClose()
{
 m_findStringHistoryList = m_findReplaceDialog->GetFindEntries();
 m_replaceStringHistoryList = m_findReplaceDialog->GetReplaceEntries();
 
 m_findReplaceDialog->Destroy();
 m_findReplaceDialog = nullptr;
 
 m_toolManager->RunAction( ACTIONS::updateFind );
}
 
 
void SCH_EDIT_FRAME::OnLoadFile( wxCommandEvent& event )
{
 wxString fn = GetFileFromHistory( event.GetId(), _( "Schematic" ) );
 
 if( fn.size() )
 OpenProjectFiles( std::vector<wxString>( 1, fn ) );
}
 
 
void SCH_EDIT_FRAME::OnClearFileHistory( wxCommandEvent& aEvent )
{
 ClearFileHistory();
}
 
 
void SCH_EDIT_FRAME::NewProject()
{
 wxString pro_dir = m_mruPath;
 
 wxFileDialog dlg( this, _( "New Schematic" ), pro_dir, wxEmptyString,
 KiCadSchematicFileWildcard(), wxFD_SAVE );
 
 if( dlg.ShowModal() != wxID_CANCEL )
 {
 // Enforce the extension, wxFileDialog is inept.
 wxFileName create_me = EnsureFileExtension( dlg.GetPath(), KiCadSchematicFileExtension );
 
 if( create_me.FileExists() )
 {
 wxString msg;
 msg.Printf( _( "Schematic file '%s' already exists." ), create_me.GetFullName() );
 DisplayError( this, msg );
 return ;
 }
 
 // OpenProjectFiles() requires absolute
 wxASSERT_MSG( create_me.IsAbsolute(), wxS( "wxFileDialog returned non-absolute path" ) );
 
 OpenProjectFiles( std::vector<wxString>( 1, create_me.GetFullPath() ), KICTL_CREATE );
 m_mruPath = create_me.GetPath();
 }
}
 
 
void SCH_EDIT_FRAME::LoadProject()
{
 wxString pro_dir = m_mruPath;
 wxString wildcards = AllSchematicFilesWildcard()
 + wxS( "|" ) + KiCadSchematicFileWildcard()
 + wxS( "|" ) + LegacySchematicFileWildcard();
 
 wxFileDialog dlg( this, _( "Open Schematic" ), pro_dir, wxEmptyString,
 wildcards, wxFD_OPEN | wxFD_FILE_MUST_EXIST );
 
 if( dlg.ShowModal() != wxID_CANCEL )
 {
 OpenProjectFiles( std::vector<wxString>( 1, dlg.GetPath() ) );
 m_mruPath = Prj().GetProjectPath();
 }
}
 
 
void SCH_EDIT_FRAME::OnOpenPcbnew( wxCommandEvent& event )
{
 wxFileName kicad_board = Prj().AbsolutePath( Schematic().GetFileName() );
 
 if( kicad_board.IsOk() && !Schematic().GetFileName().IsEmpty() )
 {
 kicad_board.SetExt( PcbFileExtension );
 wxFileName legacy_board( kicad_board );
 legacy_board.SetExt( LegacyPcbFileExtension );
 wxFileName& boardfn = legacy_board;
 
 if( !legacy_board.FileExists() || kicad_board.FileExists() )
 boardfn = kicad_board;
 
 if( Kiface().IsSingle() )
 {
 ExecuteFile( PCBNEW_EXE, boardfn.GetFullPath() );
 }
 else
 {
 KIWAY_PLAYER* frame = Kiway().Player( FRAME_PCB_EDITOR, false );
 
 if( !frame )
 {
 frame = Kiway().Player( FRAME_PCB_EDITOR, true );
 
 // frame can be null if Cvpcb cannot be run. No need to show a warning
 // Kiway() generates the error messages
 if( !frame )
 return;
 
 frame->OpenProjectFiles( std::vector<wxString>( 1, boardfn.GetFullPath() ) );
 }
 
 if( !frame->IsVisible() )
 frame->Show( true );
 
 // On Windows, Raise() does not bring the window on screen, when iconized
 if( frame->IsIconized() )
 frame->Iconize( false );
 
 frame->Raise();
 }
 }
 else
 {
 // If we are running inside a project, it should be impossible for this case to happen
 wxASSERT( Kiface().IsSingle() );
 ExecuteFile( PCBNEW_EXE );
 }
}
 
 
void SCH_EDIT_FRAME::OnOpenCvpcb( wxCommandEvent& event )
{
 wxFileName fn = Prj().AbsolutePath( Schematic().GetFileName() );
 fn.SetExt( NetlistFileExtension );
 
 if( !ReadyToNetlist( _( "Assigning footprints requires a fully annotated schematic." ) ) )
 return;
 
 try
 {
 KIWAY_PLAYER* player = Kiway().Player( FRAME_CVPCB, false ); // test open already.
 
 if( !player )
 {
 player = Kiway().Player( FRAME_CVPCB, true );
 
 // player can be null if Cvpcb cannot be run. No need to show a warning
 // Kiway() generates the error messages
 if( !player )
 return;
 
 player->Show( true );
 }
 
 sendNetlistToCvpcb();
 
 player->Raise();
 }
 catch( const IO_ERROR& )
 {
 DisplayError( this, _( "Could not open CvPcb" ) );
 }
}
 
 
void SCH_EDIT_FRAME::OnExit( wxCommandEvent& event )
{
 if( event.GetId() == wxID_EXIT )
 Kiway().OnKiCadExit();
 
 if( event.GetId() == wxID_CLOSE || Kiface().IsSingle() )
 Close( false );
}
 
 
void SCH_EDIT_FRAME::PrintPage( const RENDER_SETTINGS* aSettings )
{
 wxString fileName = Prj().AbsolutePath( GetScreen()->GetFileName() );
 
 const wxBrush& brush =
 wxBrush( GetColorSettings()->GetColor( LAYER_SCHEMATIC_BACKGROUND ).ToColour() );
 aSettings->GetPrintDC()->SetBackground( brush );
 aSettings->GetPrintDC()->Clear();
 
 aSettings->GetPrintDC()->SetLogicalFunction( wxCOPY );
 GetScreen()->Print( aSettings );
 PrintDrawingSheet( aSettings, GetScreen(), Schematic().GetProperties(), schIUScale.IU_PER_MILS,
 fileName );
}
 
 
void SCH_EDIT_FRAME::RefreshOperatingPointDisplay()
{
 SCHEMATIC_SETTINGS& settings = m_schematic->Settings();
 SIM_LIB_MGR simLibMgr( &Prj() );
 NULL_REPORTER devnull;
 
 // Patch for bug early in V7.99 dev
 if( settings.m_OPO_VRange.EndsWith( 'A' ) )
 settings.m_OPO_VRange[ settings.m_OPO_VRange.Length() - 1 ] = 'V';
 
 // Update items which may have ${OP} text variables
 //
 GetCanvas()->GetView()->UpdateAllItemsConditionally(
 [&]( KIGFX::VIEW_ITEM* aItem ) -> int
 {
 int flags = 0;
 
 if( SCH_ITEM* item = dynamic_cast<SCH_ITEM*>( aItem ) )
 {
 item->RunOnChildren(
 [&flags]( SCH_ITEM* aChild )
 {
 EDA_TEXT* text = dynamic_cast<EDA_TEXT*>( aChild );
 
 if( text && text->HasTextVars() )
 {
 text->ClearRenderCache();
 text->ClearBoundingBoxCache();
 flags |= KIGFX::GEOMETRY | KIGFX::REPAINT;
 }
 } );
 
 EDA_TEXT* text = dynamic_cast<EDA_TEXT*>( aItem );
 
 if( text && text->HasTextVars() )
 {
 text->ClearRenderCache();
 text->ClearBoundingBoxCache();
 flags |= KIGFX::GEOMETRY | KIGFX::REPAINT;
 }
 }
 
 return flags;
 } );
 
 // Update OP overlay items
 //
 for( SCH_ITEM* item : GetScreen()->Items() )
 {
 if( item->Type() == SCH_LINE_T )
 {
 SCH_LINE* line = static_cast<SCH_LINE*>( item );
 
 if( !line->GetOperatingPoint().IsEmpty() )
 GetCanvas()->GetView()->Update( line );
 
 line->SetOperatingPoint( wxEmptyString );
 // update value from netlist, below
 }
 else if( item->Type() == SCH_SYMBOL_T )
 {
 SCH_SYMBOL* symbol = static_cast<SCH_SYMBOL*>( item );
 wxString ref = symbol->GetRef( &GetCurrentSheet() );
 std::vector<SCH_PIN*> pins = symbol->GetPins( &GetCurrentSheet() );
 
 // Power symbols and other symbols which have the reference starting with "#" are
 // not included in simulation
 if( ref.StartsWith( '#' ) || symbol->GetExcludedFromSim() )
 continue;
 
 for( SCH_PIN* pin : pins )
 {
 if( !pin->GetOperatingPoint().IsEmpty() )
 GetCanvas()->GetView()->Update( pin );
 
 pin->SetOperatingPoint( wxEmptyString );
 }
 
 if( pins.size() == 2 )
 {
 wxString op = m_schematic->GetOperatingPoint( ref, settings.m_OPO_IPrecision,
 settings.m_OPO_IRange );
 
 if( !op.IsEmpty() && op != wxS( "--" ) && op != wxS( "?" ) )
 {
 pins[0]->SetOperatingPoint( op );
 GetCanvas()->GetView()->Update( symbol );
 }
 }
 else
 {
 SIM_MODEL& model = simLibMgr.CreateModel( &GetCurrentSheet(), *symbol, devnull ).model;
 
 SPICE_ITEM spiceItem;
 spiceItem.refName = ref;
 ref = model.SpiceGenerator().ItemName( spiceItem );
 
 for( const auto& modelPin : model.GetPins() )
 {
 SCH_PIN* symbolPin = symbol->GetPin( modelPin.get().symbolPinNumber );
 wxString signalName = ref + wxS( ":" ) + modelPin.get().name;
 wxString op = m_schematic->GetOperatingPoint( signalName,
 settings.m_OPO_IPrecision,
 settings.m_OPO_IRange );
 
 if( symbolPin && !op.IsEmpty() && op != wxS( "--" ) && op != wxS( "?" ) )
 {
 symbolPin->SetOperatingPoint( op );
 GetCanvas()->GetView()->Update( symbol );
 }
 }
 }
 }
 }
 
 for( const auto& [ key, subgraphList ] : m_schematic->m_connectionGraph->GetNetMap() )
 {
 wxString op = m_schematic->GetOperatingPoint( key.Name, settings.m_OPO_VPrecision,
 settings.m_OPO_VRange );
 
 if( !op.IsEmpty() && op != wxS( "--" ) && op != wxS( "?" ) )
 {
 for( CONNECTION_SUBGRAPH* subgraph : subgraphList )
 {
 SCH_LINE* longestWire = nullptr;
 double length = 0.0;
 
 for( SCH_ITEM* item : subgraph->GetItems() )
 {
 if( item->IsType( { SCH_ITEM_LOCATE_WIRE_T } ) )
 {
 SCH_LINE* wire = static_cast<SCH_LINE*>( item );
 
 if( wire->GetLength() > length )
 {
 longestWire = wire;
 length = wire->GetLength();
 }
 }
 }
 
 if( longestWire )
 {
 longestWire->SetOperatingPoint( op );
 GetCanvas()->GetView()->Update( longestWire );
 }
 }
 }
 }
}
 
 
void SCH_EDIT_FRAME::AutoRotateItem( SCH_SCREEN* aScreen, SCH_ITEM* aItem )
{
 if( aItem->IsType( { SCH_GLOBAL_LABEL_T, SCH_HIER_LABEL_T } ) )
 {
 SCH_LABEL_BASE* label = static_cast<SCH_LABEL_BASE*>( aItem );
 
 if( label->AutoRotateOnPlacement() )
 {
 SPIN_STYLE spin = aScreen->GetLabelOrientationForPoint( label->GetPosition(),
 label->GetSpinStyle(),
 &GetCurrentSheet() );
 
 if( spin != label->GetSpinStyle() )
 {
 label->SetSpinStyle( spin );
 
 for( SCH_ITEM* item : aScreen->Items().OfType( SCH_GLOBAL_LABEL_T ) )
 {
 SCH_LABEL_BASE* otherLabel = static_cast<SCH_LABEL_BASE*>( item );
 
 if( otherLabel != label && otherLabel->GetText() == label->GetText() )
 otherLabel->AutoplaceFields( aScreen, false );
 }
 }
 }
 }
}
 
 
void SCH_EDIT_FRAME::updateTitle()
{
 SCH_SCREEN* screen = GetScreen();
 
 wxCHECK( screen, /* void */ );
 
 wxString title;
 
 if( !screen->GetFileName().IsEmpty() )
 {
 wxFileName fn( Prj().AbsolutePath( screen->GetFileName() ) );
 bool readOnly = false;
 bool unsaved = false;
 
 if( fn.IsOk() && screen->FileExists() )
 readOnly = screen->IsReadOnly();
 else
 unsaved = true;
 
 if( IsContentModified() )
 title = wxT( "*" );
 
 title += fn.GetName();
 
 wxString sheetPath = GetCurrentSheet().PathHumanReadable( false, true );
 
 if( sheetPath != title )
 title += wxString::Format( wxT( " [%s]" ), sheetPath );
 
 if( readOnly )
 title += wxS( " " ) + _( "[Read Only]" );
 
 if( unsaved )
 title += wxS( " " ) + _( "[Unsaved]" );
 }
 else
 {
 title = _( "[no schematic loaded]" );
 }
 
 title += wxT( " \u2014 " ) + _( "Schematic Editor" );
 
 SetTitle( title );
}
 
 
void SCH_EDIT_FRAME::initScreenZoom()
{
 m_toolManager->RunAction( ACTIONS::zoomFitScreen );
 GetScreen()->m_zoomInitialized = true;
}
 
 
void SCH_EDIT_FRAME::RecalculateConnections( SCH_COMMIT* aCommit, SCH_CLEANUP_FLAGS aCleanupFlags )
{
 wxString highlightedConn = GetHighlightedConnection();
 SCHEMATIC_SETTINGS& settings = Schematic().Settings();
 SCH_SHEET_LIST list = Schematic().GetSheets();
 SCH_COMMIT localCommit( m_toolManager );
 
 if( !aCommit )
 aCommit = &localCommit;
 
#ifdef PROFILE
 PROF_TIMER timer;
#endif
 
 // Ensure schematic graph is accurate
 if( aCleanupFlags == LOCAL_CLEANUP )
 {
 SchematicCleanUp( aCommit, GetScreen() );
 }
 else if( aCleanupFlags == GLOBAL_CLEANUP )
 {
 for( const SCH_SHEET_PATH& sheet : list )
 SchematicCleanUp( aCommit, sheet.LastScreen() );
 }
 
#ifdef PROFILE
 timer.Stop();
 wxLogTrace( "CONN_PROFILE", "SchematicCleanUp() %0.4f ms", timer.msecs() );
#endif
 
 if( settings.m_IntersheetRefsShow )
 RecomputeIntersheetRefs();
 
 std::function<void( SCH_ITEM* )> changeHandler =
 [&]( SCH_ITEM* aChangedItem ) -> void
 {
 GetCanvas()->GetView()->Update( aChangedItem, KIGFX::REPAINT );
 
 SCH_CONNECTION* connection = aChangedItem->Connection();
 
 if( connection && ( connection->Name() == highlightedConn ) )
 m_highlightedConnChanged = true;
 };
 
 if( !ADVANCED_CFG::GetCfg().m_IncrementalConnectivity || aCleanupFlags == GLOBAL_CLEANUP
 || m_undoList.m_CommandsList.empty() )
 {
 Schematic().ConnectionGraph()->Recalculate( list, true, &changeHandler );
 }
 else
 {
 PICKED_ITEMS_LIST* changed_list = m_undoList.m_CommandsList.back();
 std::set<SCH_ITEM*> changed_items;
 std::vector<VECTOR2I> pts;
 std::set<std::pair<SCH_SHEET_PATH, SCH_ITEM*>> item_paths;
 
 for( unsigned ii = 0; ii < changed_list->GetCount(); ++ii )
 {
 EDA_ITEM* item = changed_list->GetPickedItem( ii );
 
 if( !item || !IsEeschemaType( item->Type() ) )
 continue;
 
 SCH_SCREEN* screen = static_cast<SCH_SCREEN*>( changed_list->GetScreenForItem( ii ) );
 SCH_ITEM* sch_item = static_cast<SCH_ITEM*>( item );
 SCH_SHEET_PATHS& paths = screen->GetClientSheetPaths();
 
 std::vector<VECTOR2I> tmp_pts = sch_item->GetConnectionPoints();
 pts.insert( pts.end(), tmp_pts.begin(), tmp_pts.end() );
 changed_items.insert( sch_item );
 
 for( SCH_SHEET_PATH& path : paths )
 item_paths.insert( std::make_pair( path, sch_item ) );
 }
 
 for( VECTOR2I& pt: pts )
 {
 for( SCH_ITEM* item : GetScreen()->Items().Overlapping( pt ) )
 {
 if( item->Type() == SCH_LINE_T )
 {
 if( item->HitTest( pt ) )
 changed_items.insert( item );
 }
 else if( item->Type() == SCH_SYMBOL_T )
 {
 SCH_SYMBOL* symbol = static_cast<SCH_SYMBOL*>( item );
 std::vector<SCH_PIN*> pins = symbol->GetPins();
 
 changed_items.insert( pins.begin(), pins.end() );
 }
 else if( item->IsConnectable() )
 {
 if( item->IsConnected( pt ) )
 changed_items.insert( item );
 }
 }
 }
 
 std::set<std::pair<SCH_SHEET_PATH, SCH_ITEM*>> all_items =
 Schematic().ConnectionGraph()->ExtractAffectedItems( changed_items );
 
 all_items.insert( item_paths.begin(), item_paths.end() );
 
 CONNECTION_GRAPH new_graph( &Schematic() );
 
 new_graph.SetLastCodes( Schematic().ConnectionGraph() );
 
 for( auto&[ path, item ] : all_items )
 {
 switch( item->Type() )
 {
 case SCH_FIELD_T:
 case SCH_PIN_T:
 static_cast<SCH_ITEM*>( item->GetParent() )->SetConnectivityDirty();
 break;
 
 default:
 item->SetConnectivityDirty();
 }
 }
 
 new_graph.Recalculate( list, false, &changeHandler );
 Schematic().ConnectionGraph()->Merge( new_graph );
 }
 
 GetCanvas()->GetView()->UpdateAllItemsConditionally(
 [&]( KIGFX::VIEW_ITEM* aItem ) -> int
 {
 int flags = 0;
 SCH_ITEM* item = dynamic_cast<SCH_ITEM*>( aItem );
 SCH_CONNECTION* connection = item ? item->Connection() : nullptr;
 
 if( connection && connection->HasDriverChanged() )
 {
 connection->ClearDriverChanged();
 flags |= KIGFX::REPAINT;
 }
 
 if( item )
 {
 item->RunOnChildren(
 [&flags]( SCH_ITEM* aChild )
 {
 EDA_TEXT* text = dynamic_cast<EDA_TEXT*>( aChild );
 
 if( text && text->HasTextVars() )
 {
 text->ClearRenderCache();
 text->ClearBoundingBoxCache();
 flags |= KIGFX::GEOMETRY | KIGFX::REPAINT;
 }
 } );
 
 EDA_TEXT* text = dynamic_cast<EDA_TEXT*>( aItem );
 
 if( text && text->HasTextVars() )
 {
 text->ClearRenderCache();
 text->ClearBoundingBoxCache();
 flags |= KIGFX::GEOMETRY | KIGFX::REPAINT;
 }
 
 if( flags & KIGFX::GEOMETRY )
 GetScreen()->Update( item, false ); // Refresh RTree
 }
 
 return flags;
 } );
 
 if( !highlightedConn.IsEmpty() )
 {
 if( m_highlightedConnChanged
 || !Schematic().ConnectionGraph()->FindFirstSubgraphByName( highlightedConn ) )
 RefreshNetNavigator();
 
 m_highlightedConnChanged = false;
 }
 
 if( !localCommit.Empty() )
 localCommit.Push( _( "Schematic Cleanup" ) );
}
 
 
void SCH_EDIT_FRAME::RecomputeIntersheetRefs()
{
 Schematic().RecomputeIntersheetRefs( [&]( SCH_GLOBALLABEL* label )
 {
 for( SCH_FIELD& field : label->GetFields() )
 field.ClearBoundingBoxCache();
 
 label->ClearBoundingBoxCache();
 GetCanvas()->GetView()->Update( label );
 } );
}
 
 
void SCH_EDIT_FRAME::ShowAllIntersheetRefs( bool aShow )
{
 RecomputeIntersheetRefs();
 
 GetCanvas()->GetView()->SetLayerVisible( LAYER_INTERSHEET_REFS, aShow );
}
 
 
void SCH_EDIT_FRAME::CommonSettingsChanged( bool aEnvVarsChanged, bool aTextVarsChanged )
{
 SCH_BASE_FRAME::CommonSettingsChanged( aEnvVarsChanged, aTextVarsChanged );
 
 SCHEMATIC_SETTINGS& settings = Schematic().Settings();
 
 settings.m_JunctionSize = GetSchematicJunctionSize();
 
 ShowAllIntersheetRefs( settings.m_IntersheetRefsShow );
 
 EESCHEMA_SETTINGS* cfg = Pgm().GetSettingsManager().GetAppSettings<EESCHEMA_SETTINGS>();
 GetGalDisplayOptions().ReadWindowSettings( cfg->m_Window );
 GetRenderSettings()->SetDefaultFont( cfg->m_Appearance.default_font );
 
 KIGFX::VIEW* view = GetCanvas()->GetView();
 view->SetLayerVisible( LAYER_ERC_ERR, cfg->m_Appearance.show_erc_errors );
 view->SetLayerVisible( LAYER_ERC_WARN, cfg->m_Appearance.show_erc_warnings );
 view->SetLayerVisible( LAYER_ERC_EXCLUSION, cfg->m_Appearance.show_erc_exclusions );
 view->SetLayerVisible( LAYER_OP_VOLTAGES, cfg->m_Appearance.show_op_voltages );
 view->SetLayerVisible( LAYER_OP_CURRENTS, cfg->m_Appearance.show_op_currents );
 
 RefreshOperatingPointDisplay();
 
 settings.m_TemplateFieldNames.DeleteAllFieldNameTemplates( true /* global */ );
 
 if( !cfg->m_Drawing.field_names.IsEmpty() )
 settings.m_TemplateFieldNames.AddTemplateFieldNames( cfg->m_Drawing.field_names );
 
 SCH_SCREEN* screen = GetCurrentSheet().LastScreen();
 
 for( SCH_ITEM* item : screen->Items() )
 item->ClearCaches();
 
 for( const auto& [ libItemName, libSymbol ] : screen->GetLibSymbols() )
 libSymbol->ClearCaches();
 
 GetCanvas()->ForceRefresh();
 
 RecreateToolbars();
 Layout();
 SendSizeEvent();
}
 
 
void SCH_EDIT_FRAME::OnPageSettingsChange()
{
 // Store the current zoom level into the current screen before calling
 // DisplayCurrentSheet() that set the zoom to GetScreen()->m_LastZoomLevel
 GetScreen()->m_LastZoomLevel = GetCanvas()->GetView()->GetScale();
 // Rebuild the sheet view (draw area and any other items):
 DisplayCurrentSheet();
}
 
 
void SCH_EDIT_FRAME::ShowChangedLanguage()
{
 // call my base class
 SCH_BASE_FRAME::ShowChangedLanguage();
 
 // tooltips in toolbars
 RecreateToolbars();
 
 m_auimgr.GetPane( m_hierarchy ).Caption( _( "Schematic Hierarchy" ) );
 m_auimgr.Update();
 m_hierarchy->UpdateHierarchyTree();
 
 // status bar
 UpdateMsgPanel();
 
 updateTitle();
 
 // This ugly hack is to fix an option(left) toolbar update bug that seems to only affect
 // windows. See https://bugs.launchpad.net/kicad/+bug/1816492. For some reason, calling
 // wxWindow::Refresh() does not resolve the issue. Only a resize event seems to force the
 // toolbar to update correctly.
#if defined( __WXMSW__ )
 PostSizeEvent();
#endif
}
 
 
void SCH_EDIT_FRAME::UpdateNetHighlightStatus()
{
 if( !GetHighlightedConnection().IsEmpty() )
 {
 SetStatusText( wxString::Format( _( "Highlighted net: %s" ),
 UnescapeString( GetHighlightedConnection() ) ) );
 }
 else
 {
 SetStatusText( wxT( "" ) );
 }
}
 
 
void SCH_EDIT_FRAME::SetScreen( BASE_SCREEN* aScreen )
{
 if( m_toolManager )
 m_toolManager->RunAction( EE_ACTIONS::clearSelection );
 
 SCH_BASE_FRAME::SetScreen( aScreen );
 GetCanvas()->DisplaySheet( static_cast<SCH_SCREEN*>( aScreen ) );
 
 if( m_toolManager )
 m_toolManager->ResetTools( TOOL_BASE::MODEL_RELOAD );
}
 
 
const BOX2I SCH_EDIT_FRAME::GetDocumentExtents( bool aIncludeAllVisible ) const
{
 BOX2I bBoxDoc;
 
 if( aIncludeAllVisible )
 {
 // Get the whole page size and return that
 int sizeX = GetScreen()->GetPageSettings().GetWidthIU( schIUScale.IU_PER_MILS );
 int sizeY = GetScreen()->GetPageSettings().GetHeightIU( schIUScale.IU_PER_MILS );
 bBoxDoc = BOX2I( VECTOR2I( 0, 0 ), VECTOR2I( sizeX, sizeY ) );
 }
 else
 {
 // Get current drawing-sheet in a form we can compare to an EDA_ITEM
 DS_PROXY_VIEW_ITEM* ds = SCH_BASE_FRAME::GetCanvas()->GetView()->GetDrawingSheet();
 EDA_ITEM* dsAsItem = static_cast<EDA_ITEM*>( ds );
 
 // Calc the bounding box of all items on screen except the page border
 for( EDA_ITEM* item : GetScreen()->Items() )
 {
 if( item != dsAsItem ) // Ignore the drawing-sheet itself
 bBoxDoc.Merge( item->GetBoundingBox() );
 }
 }
 
 return bBoxDoc;
}
 
 
bool SCH_EDIT_FRAME::IsContentModified() const
{
 return Schematic().GetSheets().IsModified();
}
 
 
bool SCH_EDIT_FRAME::GetShowAllPins() const
{
 EESCHEMA_SETTINGS* cfg = eeconfig();
 return cfg && cfg->m_Appearance.show_hidden_pins;
}
 
 
void SCH_EDIT_FRAME::FocusOnItem( SCH_ITEM* aItem )
{
 static KIID lastBrightenedItemID( niluuid );
 
 SCH_SHEET_LIST sheetList = Schematic().GetSheets();
 SCH_SHEET_PATH dummy;
 SCH_ITEM* lastItem = sheetList.GetItem( lastBrightenedItemID, &dummy );
 
 if( lastItem && lastItem != aItem )
 {
 lastItem->ClearBrightened();
 
 UpdateItem( lastItem );
 lastBrightenedItemID = niluuid;
 }
 
 if( aItem )
 {
 if( !aItem->IsBrightened() )
 {
 aItem->SetBrightened();
 
 UpdateItem( aItem );
 lastBrightenedItemID = aItem->m_Uuid;
 }
 
 FocusOnLocation( aItem->GetFocusPosition() );
 }
}
 
 
wxString SCH_EDIT_FRAME::GetCurrentFileName() const
{
 return Schematic().GetFileName();
}
 
 
SELECTION& SCH_EDIT_FRAME::GetCurrentSelection()
{
 return m_toolManager->GetTool<EE_SELECTION_TOOL>()->GetSelection();
}
 
 
void SCH_EDIT_FRAME::onSize( wxSizeEvent& aEvent )
{
 if( IsShown() )
 {
 // We only need this until the frame is done resizing and the final client size is
 // established.
 Unbind( wxEVT_SIZE, &SCH_EDIT_FRAME::onSize, this );
 GetToolManager()->RunAction( ACTIONS::zoomFitScreen );
 }
 
 // Skip() is called in the base class.
 EDA_DRAW_FRAME::OnSize( aEvent );
}
 
 
void SCH_EDIT_FRAME::SaveSymbolToSchematic( const LIB_SYMBOL& aSymbol,
 const KIID& aSchematicSymbolUUID )
{
 SCH_SHEET_PATH principalPath;
 SCH_ITEM* item = Schematic().GetSheets().GetItem( aSchematicSymbolUUID, &principalPath );
 SCH_SYMBOL* principalSymbol = dynamic_cast<SCH_SYMBOL*>( item );
 SCH_COMMIT commit( m_toolManager );
 
 if( !principalSymbol )
 return;
 
 wxString principalRef;
 
 if( principalSymbol->IsAnnotated( &principalPath ) )
 principalRef = principalSymbol->GetRef( &principalPath, false );
 
 std::vector< std::pair<SCH_SYMBOL*, SCH_SHEET_PATH> > allUnits;
 
 for( const SCH_SHEET_PATH& path : Schematic().GetSheets() )
 {
 for( SCH_ITEM* candidate : path.LastScreen()->Items().OfType( SCH_SYMBOL_T ) )
 {
 SCH_SYMBOL* candidateSymbol = static_cast<SCH_SYMBOL*>( candidate );
 
 if( candidateSymbol == principalSymbol
 || ( candidateSymbol->IsAnnotated( &path )
 && candidateSymbol->GetRef( &path, false ) == principalRef ) )
 {
 allUnits.emplace_back( candidateSymbol, path );
 }
 }
 }
 
 for( auto& [ unit, path ] : allUnits )
 {
 // This needs to be done before the LIB_SYMBOL is changed to prevent stale
 // library symbols in the schematic file.
 path.LastScreen()->Remove( unit );
 
 if( !unit->IsNew() )
 commit.Modify( unit, path.LastScreen() );
 
 unit->SetLibSymbol( aSymbol.Flatten().release() );
 unit->UpdateFields( &GetCurrentSheet(),
 true, /* update style */
 true, /* update ref */
 true, /* update other fields */
 false, /* reset ref */
 false /* reset other fields */ );
 
 path.LastScreen()->Append( unit );
 GetCanvas()->GetView()->Update( unit );
 }
 
 if( !commit.Empty() )
 commit.Push( _( "Save Symbol to Schematic" ) );
}
 
 
void SCH_EDIT_FRAME::UpdateItem( EDA_ITEM* aItem, bool isAddOrDelete, bool aUpdateRtree )
{
 SCH_BASE_FRAME::UpdateItem( aItem, isAddOrDelete, aUpdateRtree );
 
 if( SCH_ITEM* sch_item = dynamic_cast<SCH_ITEM*>( aItem ) )
 sch_item->ClearCaches();
}
 
 
void SCH_EDIT_FRAME::DisplayCurrentSheet()
{
 wxCHECK( m_toolManager, /* void */ );
 
 m_toolManager->RunAction( ACTIONS::cancelInteractive );
 m_toolManager->RunAction( EE_ACTIONS::clearSelection );
 SCH_SCREEN* screen = GetCurrentSheet().LastScreen();
 
 wxCHECK( screen, /* void */ );
 
 m_toolManager->RunAction( EE_ACTIONS::clearSelection );
 
 SCH_BASE_FRAME::SetScreen( screen );
 
 m_toolManager->ResetTools( TOOL_BASE::MODEL_RELOAD );
 
 // update the References
 GetCurrentSheet().UpdateAllScreenReferences();
 SetSheetNumberAndCount();
 RefreshOperatingPointDisplay();
 
 EE_SELECTION_TOOL* selectionTool = m_toolManager->GetTool<EE_SELECTION_TOOL>();
 
 wxCHECK( selectionTool, /* void */ );
 
 auto visit =
 [&]( EDA_ITEM* item )
 {
 if( m_findReplaceDialog
 && !m_findReplaceData->findString.IsEmpty()
 && item->Matches( *m_findReplaceData, &GetCurrentSheet() ) )
 {
 item->SetForceVisible( true );
 selectionTool->BrightenItem( item );
 }
 else if( item->IsBrightened() )
 {
 item->SetForceVisible( false );
 selectionTool->UnbrightenItem( item );
 }
 };
 
 for( SCH_ITEM* item : screen->Items() )
 {
 visit( item );
 
 item->RunOnChildren(
 [&]( SCH_ITEM* aChild )
 {
 visit( aChild );
 } );
 }
 
 if( !screen->m_zoomInitialized )
 {
 initScreenZoom();
 }
 else
 {
 // Set zoom to last used in this screen
 GetCanvas()->GetView()->SetScale( GetScreen()->m_LastZoomLevel );
 GetCanvas()->GetView()->SetCenter( GetScreen()->m_ScrollCenter );
 }
 
 updateTitle();
 
 HardRedraw(); // Ensure all items are redrawn (especially the drawing-sheet items)
 
 // Allow tools to re-add their VIEW_ITEMs after the last call to Clear in HardRedraw
 m_toolManager->ResetTools( TOOL_BASE::MODEL_RELOAD );
 
 SCH_EDITOR_CONTROL* editTool = m_toolManager->GetTool<SCH_EDITOR_CONTROL>();
 
 wxCHECK( editTool, /* void */ );
 
 TOOL_EVENT dummy;
 editTool->UpdateNetHighlighting( dummy );
 
 m_hierarchy->UpdateHierarchySelection();
 
 m_schematic->OnSchSheetChanged();
}
 
 
DIALOG_BOOK_REPORTER* SCH_EDIT_FRAME::GetSymbolDiffDialog()
{
 if( !m_diffSymbolDialog )
 m_diffSymbolDialog = new DIALOG_BOOK_REPORTER( this, DIFF_SYMBOLS_DIALOG_NAME,
 _( "Diff Symbol with Library" ) );
 
 return m_diffSymbolDialog;
}
 
 
void SCH_EDIT_FRAME::onCloseSymbolDiffDialog( wxCommandEvent& aEvent )
{
 if( m_diffSymbolDialog && aEvent.GetString() == DIFF_SYMBOLS_DIALOG_NAME )
 {
 m_diffSymbolDialog->Destroy();
 m_diffSymbolDialog = nullptr;
 }
}
 
 
DIALOG_ERC* SCH_EDIT_FRAME::GetErcDialog()
{
 if( !m_ercDialog )
 m_ercDialog = new DIALOG_ERC( this );
 
 return m_ercDialog;
}
 
 
void SCH_EDIT_FRAME::onCloseErcDialog( wxCommandEvent& aEvent )
{
 if( m_ercDialog )
 {
 m_ercDialog->Destroy();
 m_ercDialog = nullptr;
 }
}
 
 
DIALOG_SYMBOL_FIELDS_TABLE* SCH_EDIT_FRAME::GetSymbolFieldsTableDialog()
{
 if( !m_symbolFieldsTableDialog )
 m_symbolFieldsTableDialog = new DIALOG_SYMBOL_FIELDS_TABLE( this );
 
 return m_symbolFieldsTableDialog;
}
 
 
void SCH_EDIT_FRAME::onCloseSymbolFieldsTableDialog( wxCommandEvent& aEvent )
{
 if( m_symbolFieldsTableDialog )
 {
 m_symbolFieldsTableDialog->Destroy();
 m_symbolFieldsTableDialog = nullptr;
 }
}
 
 
void SCH_EDIT_FRAME::AddSchematicChangeListener( wxEvtHandler* aListener )
{
 auto it = std::find( m_schematicChangeListeners.begin(), m_schematicChangeListeners.end(),
 aListener );
 
 // Don't add duplicate listeners.
 if( it == m_schematicChangeListeners.end() )
 m_schematicChangeListeners.push_back( aListener );
}
 
 
void SCH_EDIT_FRAME::RemoveSchematicChangeListener( wxEvtHandler* aListener )
{
 auto it = std::find( m_schematicChangeListeners.begin(), m_schematicChangeListeners.end(),
 aListener );
 
 // Don't add duplicate listeners.
 if( it != m_schematicChangeListeners.end() )
 m_schematicChangeListeners.erase( it );
}
 
 
wxTreeCtrl* SCH_EDIT_FRAME::createHighlightedNetNavigator()
{
 m_netNavigator = new wxTreeCtrl( this, wxID_ANY, wxPoint( 0, 0 ),
 FromDIP( wxSize( 160, 250 ) ),
 wxTR_DEFAULT_STYLE | wxNO_BORDER );
 
 return m_netNavigator;
}
 
 
void SCH_EDIT_FRAME::SetHighlightedConnection( const wxString& aConnection,
 const NET_NAVIGATOR_ITEM_DATA* aSelection )
{
 bool refreshNetNavigator = aConnection != m_highlightedConn;
 
 m_highlightedConn = aConnection;
 
 if( refreshNetNavigator )
 RefreshNetNavigator( aSelection );
}
 
 
void SCH_EDIT_FRAME::unitsChangeRefresh()
{
 if( m_netNavigator && !m_highlightedConn.IsEmpty() )
 {
 NET_NAVIGATOR_ITEM_DATA itemData;
 wxTreeItemId selection = m_netNavigator->GetSelection();
 bool refreshSelection = selection.IsOk() && ( selection != m_netNavigator->GetRootItem() );
 
 if( refreshSelection )
 {
 NET_NAVIGATOR_ITEM_DATA* tmp =
 dynamic_cast<NET_NAVIGATOR_ITEM_DATA*>( m_netNavigator->GetItemData( selection ) );
 
 wxCHECK( tmp, /* void */ );
 itemData = *tmp;
 }
 
 m_netNavigator->DeleteAllItems();
 RefreshNetNavigator( refreshSelection ? &itemData : nullptr );
 }
 
 UpdateProperties();
}