From 6e316d9faa93dd79815d9592d6ea1bf7aa86ef65 Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Wed, 10 Sep 2025 14:07:04 +0100
Subject: [PATCH] ADDED: menu items to control cross-probing from ERC dialog.

Fixes https://gitlab.com/kicad/code/kicad/-/issues/17916
---
 eeschema/dialogs/dialog_erc.cpp              | 150 ++++++++++++-------
 eeschema/dialogs/dialog_erc.h                |  11 +-
 eeschema/dialogs/dialog_erc_base.cpp         |  21 +++
 eeschema/dialogs/dialog_erc_base.fbp         |  97 +++++++++++-
 eeschema/dialogs/dialog_erc_base.h           |  15 +-
 eeschema/eeschema_settings.cpp               |   9 +-
 eeschema/eeschema_settings.h                 |  52 +++----
 eeschema/sch_edit_frame.cpp                  |   4 +-
 eeschema/sch_edit_frame.h                    |   2 +-
 eeschema/symbol_editor/symbol_edit_frame.cpp |   4 +-
 eeschema/symbol_editor/symbol_edit_frame.h   |   2 +-
 include/eda_draw_frame.h                     |   2 +-
 include/pcb_base_frame.h                     |   2 +-
 pcbnew/dialogs/dialog_drc_base.cpp           |   4 +-
 pcbnew/dialogs/dialog_drc_base.fbp           |   4 +-
 pcbnew/pcb_base_frame.cpp                    |   4 +-
 16 files changed, 275 insertions(+), 108 deletions(-)

diff --git a/eeschema/dialogs/dialog_erc.cpp b/eeschema/dialogs/dialog_erc.cpp
index f577593529..5ecfa3535a 100644
--- a/eeschema/dialogs/dialog_erc.cpp
+++ b/eeschema/dialogs/dialog_erc.cpp
@@ -42,6 +42,7 @@
 #include <id.h>
 #include <confirm.h>
 #include <widgets/wx_html_report_box.h>
+#include <widgets/std_bitmap_button.h>
 #include <dialogs/dialog_text_entry.h>
 #include <string_utils.h>
 #include <kiplatform/ui.h>
@@ -76,15 +77,15 @@ DIALOG_ERC::DIALOG_ERC( SCH_EDIT_FRAME* parent ) :
         m_running( false ),
         m_ercRun( false ),
         m_centerMarkerOnIdle( nullptr ),
-        m_severities( 0 )
+        m_crossprobe( true ),
+        m_scroll_on_crossprobe( true )
 {
     m_currentSchematic = &parent->Schematic();
 
     SetName( DIALOG_ERC_WINDOW_NAME ); // Set a window name to be able to find it
     KIPLATFORM::UI::SetFloatLevel( this );
 
-    if( EESCHEMA_SETTINGS* cfg = GetAppSettings<EESCHEMA_SETTINGS>( "eeschema" ) )
-        m_severities = cfg->m_Appearance.erc_severities;
+    m_bMenu->SetBitmap( KiBitmapBundle( BITMAPS::config ) );
 
     m_messages->SetImmediateMode();
 
@@ -92,7 +93,7 @@ DIALOG_ERC::DIALOG_ERC( SCH_EDIT_FRAME* parent ) :
 
     m_markerTreeModel = new ERC_TREE_MODEL( parent, m_markerDataView );
     m_markerDataView->AssociateModel( m_markerTreeModel );
-    m_markerTreeModel->Update( m_markerProvider, m_severities );
+    m_markerTreeModel->Update( m_markerProvider, getSeverities() );
 
     m_ignoredList->InsertColumn( 0, wxEmptyString, wxLIST_FORMAT_LEFT, DEFAULT_SINGLE_COL_WIDTH );
 
@@ -129,8 +130,11 @@ DIALOG_ERC::DIALOG_ERC( SCH_EDIT_FRAME* parent ) :
 
     SetFocus();
 
-    syncCheckboxes();
-    updateDisplayedCounts();
+    if( EESCHEMA_SETTINGS* cfg = GetAppSettings<EESCHEMA_SETTINGS>( "eeschema" ) )
+    {
+        m_crossprobe = cfg->m_ERCDialog.crossprobe;
+        m_scroll_on_crossprobe = cfg->m_ERCDialog.scroll_on_crossprobe;
+    }
 
     // Now all widgets have the size fixed, call FinishDialogSettings
     finishDialogSettings();
@@ -148,7 +152,10 @@ DIALOG_ERC::~DIALOG_ERC()
         g_lastERCIgnored.push_back( { m_ignoredList->GetItemText( ii ), m_ignoredList->GetItemData( ii ) } );
 
     if( EESCHEMA_SETTINGS* cfg = GetAppSettings<EESCHEMA_SETTINGS>( "eeschema" ) )
-        cfg->m_Appearance.erc_severities = m_severities;
+    {
+        cfg->m_ERCDialog.crossprobe = m_crossprobe;
+        cfg->m_ERCDialog.scroll_on_crossprobe = m_scroll_on_crossprobe;
+    }
 
     m_markerTreeModel->DecRef();
 }
@@ -189,6 +196,59 @@ void DIALOG_ERC::UpdateAnnotationWarning()
 }
 
 
+int DIALOG_ERC::getSeverities()
+{
+    int severities = 0;
+
+    if( m_showErrors->GetValue() )
+        severities |= RPT_SEVERITY_ERROR;
+
+    if( m_showWarnings->GetValue() )
+        severities |= RPT_SEVERITY_WARNING;
+
+    if( m_showExclusions->GetValue() )
+        severities |= RPT_SEVERITY_EXCLUSION;
+
+    return severities;
+}
+
+
+void DIALOG_ERC::OnMenu( wxCommandEvent& event )
+{
+    // Build a pop menu:
+    wxMenu menu;
+
+    menu.Append( 4206, _( "Cross-probe Selected Items" ),
+                 _( "Highlight corresponding items on canvas when selected in the ERC list" ),
+                 wxITEM_CHECK );
+    menu.Check( 4206, m_crossprobe );
+
+    menu.Append( 4207, _( "Center on Cross-probe" ),
+                 _( "When cross-probing, scroll the canvas so that the item is visible" ),
+                 wxITEM_CHECK );
+    menu.Check( 4207, m_scroll_on_crossprobe );
+
+    // menu_id is the selected submenu id from the popup menu or wxID_NONE
+    int menu_id = m_bMenu->GetPopupMenuSelectionFromUser( menu );
+
+    if( menu_id == 0 || menu_id == 4206 )
+    {
+        m_crossprobe = !m_crossprobe;
+    }
+    else if( menu_id == 1 || menu_id == 4207 )
+    {
+        m_scroll_on_crossprobe = !m_scroll_on_crossprobe;
+    }
+}
+
+
+bool DIALOG_ERC::TransferDataToWindow()
+{
+    UpdateData();
+    return true;
+}
+
+
 bool DIALOG_ERC::updateUI()
 {
     // If ERC checks ever get slow enough we'll want a progress indicator...
@@ -217,6 +277,13 @@ void DIALOG_ERC::Report( const wxString& aMessage )
 }
 
 
+void DIALOG_ERC::UpdateData()
+{
+    m_markerTreeModel->Update( m_markerProvider, getSeverities() );
+    updateDisplayedCounts();
+}
+
+
 void DIALOG_ERC::updateDisplayedCounts()
 {
     int numErrors = 0;
@@ -348,30 +415,14 @@ void DIALOG_ERC::OnCloseErcDialog( wxCloseEvent& aEvent )
     // Dialog is mode-less so let the parent know that it needs to be destroyed.
     if( !IsModal() && !IsQuasiModal() )
     {
-        wxCommandEvent* evt = new wxCommandEvent( EDA_EVT_CLOSE_ERC_DIALOG, wxID_ANY );
-
-        wxWindow* parent = GetParent();
-
-        if( parent )
-            wxQueueEvent( parent, evt );
+        if( wxWindow* parent = GetParent() )
+            wxQueueEvent( parent, new wxCommandEvent( EDA_EVT_CLOSE_ERC_DIALOG, wxID_ANY ) );
     }
 
     aEvent.Skip();
 }
 
 
-static int RPT_SEVERITY_ALL = RPT_SEVERITY_WARNING | RPT_SEVERITY_ERROR | RPT_SEVERITY_EXCLUSION;
-
-
-void DIALOG_ERC::syncCheckboxes()
-{
-    m_showAll->SetValue( m_severities == RPT_SEVERITY_ALL );
-    m_showErrors->SetValue( m_severities & RPT_SEVERITY_ERROR );
-    m_showWarnings->SetValue( m_severities & RPT_SEVERITY_WARNING );
-    m_showExclusions->SetValue( m_severities & RPT_SEVERITY_EXCLUSION );
-}
-
-
 void DIALOG_ERC::OnLinkClicked( wxHtmlLinkEvent& event )
 {
     m_parent->OnAnnotate();
@@ -446,8 +497,7 @@ void DIALOG_ERC::OnRunERCClick( wxCommandEvent& event )
     }
 
     if( m_cancelled )
-        // @spellingerror
-        m_messages->Report( _( "-------- ERC canceled by user.<br><br>" ), RPT_SEVERITY_INFO );
+        m_messages->Report( _( "-------- ERC cancelled by user.<br><br>" ), RPT_SEVERITY_INFO );
     else
         m_messages->Report( _( "Done.<br><br>" ), RPT_SEVERITY_INFO );
 
@@ -508,7 +558,7 @@ void DIALOG_ERC::testErc()
     }
 
     // Update marker list:
-    m_markerTreeModel->Update( m_markerProvider, m_severities );
+    m_markerTreeModel->Update( m_markerProvider, getSeverities() );
 
     // Display new markers from the current screen:
     for( SCH_ITEM* marker : m_parent->GetScreen()->Items().OfType( SCH_MARKER_T ) )
@@ -523,6 +573,12 @@ void DIALOG_ERC::testErc()
 
 void DIALOG_ERC::OnERCItemSelected( wxDataViewEvent& aEvent )
 {
+    if( !m_crossprobe )
+    {
+        aEvent.Skip();
+        return;
+    }
+
     const KIID&     itemID = RC_TREE_MODEL::ToUUID( aEvent.GetItem() );
     SCH_SHEET_PATH  sheet;
     SCH_ITEM*       item = m_parent->Schematic().ResolveItem( itemID, &sheet, true );
@@ -568,7 +624,7 @@ void DIALOG_ERC::OnERCItemSelected( wxDataViewEvent& aEvent )
             m_parent->RedrawScreen( m_parent->GetScreen()->m_ScrollCenter, false );
         }
 
-        m_parent->FocusOnItem( item );
+        m_parent->FocusOnItem( item, m_scroll_on_crossprobe );
         redrawDrawPanel();
     }
 
@@ -762,7 +818,7 @@ void DIALOG_ERC::OnERCItemRClick( wxDataViewEvent& aEvent )
             m_parent->GetCanvas()->GetView()->Update( marker );
 
             // Update view
-            if( m_severities & RPT_SEVERITY_EXCLUSION )
+            if( getSeverities() & RPT_SEVERITY_EXCLUSION )
                 static_cast<RC_TREE_MODEL*>( aEvent.GetModel() )->ValueChanged( node );
             else
                 static_cast<RC_TREE_MODEL*>( aEvent.GetModel() )->DeleteCurrentItem( false );
@@ -788,7 +844,7 @@ void DIALOG_ERC::OnERCItemRClick( wxDataViewEvent& aEvent )
         }
 
         // Rebuild model and view
-        static_cast<RC_TREE_MODEL*>( aEvent.GetModel() )->Update( m_markerProvider, m_severities );
+        static_cast<RC_TREE_MODEL*>( aEvent.GetModel() )->Update( m_markerProvider, getSeverities() );
         modified = true;
         break;
 
@@ -804,7 +860,7 @@ void DIALOG_ERC::OnERCItemRClick( wxDataViewEvent& aEvent )
         }
 
         // Rebuild model and view
-        static_cast<RC_TREE_MODEL*>( aEvent.GetModel() )->Update( m_markerProvider, m_severities );
+        static_cast<RC_TREE_MODEL*>( aEvent.GetModel() )->Update( m_markerProvider, getSeverities() );
         modified = true;
         break;
 
@@ -830,7 +886,7 @@ void DIALOG_ERC::OnERCItemRClick( wxDataViewEvent& aEvent )
         ScreenList.DeleteMarkers( MARKER_BASE::MARKER_ERC, rcItem->GetErrorCode() );
 
         // Rebuild model and view
-        static_cast<RC_TREE_MODEL*>( aEvent.GetModel() )->Update( m_markerProvider, m_severities );
+        static_cast<RC_TREE_MODEL*>( aEvent.GetModel() )->Update( m_markerProvider, getSeverities() );
         modified = true;
     }
         break;
@@ -956,7 +1012,7 @@ void DIALOG_ERC::ExcludeMarker( SCH_MARKER* aMarker )
         m_parent->GetCanvas()->GetView()->Update( marker );
 
         // Update view
-        if( m_severities & RPT_SEVERITY_EXCLUSION )
+        if( getSeverities() & RPT_SEVERITY_EXCLUSION )
             m_markerTreeModel->ValueChanged( node );
         else
             m_markerTreeModel->DeleteCurrentItem( false );
@@ -976,28 +1032,14 @@ void DIALOG_ERC::OnEditViolationSeverities( wxHyperlinkEvent& aEvent )
 
 void DIALOG_ERC::OnSeverity( wxCommandEvent& aEvent )
 {
-    int flag = 0;
-
     if( aEvent.GetEventObject() == m_showAll )
-        flag = RPT_SEVERITY_ALL;
-    else if( aEvent.GetEventObject() == m_showErrors )
-        flag = RPT_SEVERITY_ERROR;
-    else if( aEvent.GetEventObject() == m_showWarnings )
-        flag = RPT_SEVERITY_WARNING;
-    else if( aEvent.GetEventObject() == m_showExclusions )
-        flag = RPT_SEVERITY_EXCLUSION;
+    {
+        m_showErrors->SetValue( true );
+        m_showWarnings->SetValue( aEvent.IsChecked() );
+        m_showExclusions->SetValue( aEvent.IsChecked() );
+    }
 
-    if( aEvent.IsChecked() )
-        m_severities |= flag;
-    else if( aEvent.GetEventObject() == m_showAll )
-        m_severities = RPT_SEVERITY_ERROR;
-    else
-        m_severities &= ~flag;
-
-    syncCheckboxes();
-
-    m_markerTreeModel->Update( m_markerProvider, m_severities );
-    updateDisplayedCounts();
+    UpdateData();
 }
 
 
diff --git a/eeschema/dialogs/dialog_erc.h b/eeschema/dialogs/dialog_erc.h
index b0c2198ded..1269d6f4ed 100644
--- a/eeschema/dialogs/dialog_erc.h
+++ b/eeschema/dialogs/dialog_erc.h
@@ -49,6 +49,8 @@ public:
     DIALOG_ERC( SCH_EDIT_FRAME* parent );
     ~DIALOG_ERC();
 
+    bool TransferDataToWindow() override;
+
     // PROGRESS_REPORTER_BASE calls
     bool updateUI() override;
     void AdvancePhase( const wxString& aMessage ) override;
@@ -66,10 +68,14 @@ public:
      */
     void ExcludeMarker( SCH_MARKER* aMarker = nullptr );
 
+    void UpdateData();
     void UpdateAnnotationWarning();
 
 private:
+    int getSeverities();
+
     // from DIALOG_ERC_BASE:
+    void OnMenu( wxCommandEvent& aEvent ) override;
     void OnCloseErcDialog( wxCloseEvent& event ) override;
     void OnRunERCClick( wxCommandEvent& event ) override;
     void OnDeleteOneClick( wxCommandEvent& event ) override;
@@ -92,8 +98,6 @@ private:
 
     void testErc();
 
-    bool writeReport( const wxString& aFullFileName );
-
     void deleteAllMarkers( bool aIncludeExclusions );
 
     void syncCheckboxes();
@@ -114,7 +118,8 @@ private:
 
     const SCH_MARKER*  m_centerMarkerOnIdle;
 
-    int                m_severities;
+    bool               m_crossprobe;
+    bool               m_scroll_on_crossprobe;
 };
 
 
diff --git a/eeschema/dialogs/dialog_erc_base.cpp b/eeschema/dialogs/dialog_erc_base.cpp
index e2d3048417..cd703e185c 100644
--- a/eeschema/dialogs/dialog_erc_base.cpp
+++ b/eeschema/dialogs/dialog_erc_base.cpp
@@ -5,6 +5,7 @@
 // PLEASE DO *NOT* EDIT THIS FILE!
 ///////////////////////////////////////////////////////////////////////////
 
+#include "widgets/std_bitmap_button.h"
 #include "widgets/wx_html_report_box.h"
 #include "widgets/wx_infobar.h"
 
@@ -29,6 +30,24 @@ DIALOG_ERC_BASE::DIALOG_ERC_BASE( wxWindow* parent, wxWindowID id, const wxStrin
 	wxBoxSizer* bMainSizer;
 	bMainSizer = new wxBoxSizer( wxVERTICAL );
 
+	wxGridBagSizer* gbSizerOptions;
+	gbSizerOptions = new wxGridBagSizer( 0, 0 );
+	gbSizerOptions->SetFlexibleDirection( wxBOTH );
+	gbSizerOptions->SetNonFlexibleGrowMode( wxFLEX_GROWMODE_SPECIFIED );
+
+	m_bMenu = new STD_BITMAP_BUTTON( this, wxID_ANY, wxNullBitmap, wxDefaultPosition, wxDefaultSize, wxBU_AUTODRAW|0 );
+	m_bMenu->SetMinSize( wxSize( 30,30 ) );
+
+	gbSizerOptions->Add( m_bMenu, wxGBPosition( 0, 2 ), wxGBSpan( 2, 1 ), wxALIGN_CENTER_VERTICAL, 5 );
+
+
+	gbSizerOptions->AddGrowableCol( 0 );
+	gbSizerOptions->AddGrowableCol( 1 );
+	gbSizerOptions->AddGrowableRow( 0 );
+	gbSizerOptions->AddGrowableRow( 1 );
+
+	bMainSizer->Add( gbSizerOptions, 0, wxEXPAND|wxLEFT, 5 );
+
 	m_runningResultsBook = new wxSimplebook( this, wxID_ANY, wxDefaultPosition, wxDefaultSize, 0 );
 	running = new wxPanel( m_runningResultsBook, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL );
 	wxBoxSizer* bSizer14;
@@ -195,6 +214,7 @@ DIALOG_ERC_BASE::DIALOG_ERC_BASE( wxWindow* parent, wxWindowID id, const wxStrin
 
 	// Connect Events
 	this->Connect( wxEVT_CLOSE_WINDOW, wxCloseEventHandler( DIALOG_ERC_BASE::OnCloseErcDialog ) );
+	m_bMenu->Connect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( DIALOG_ERC_BASE::OnMenu ), NULL, this );
 	m_messages->Connect( wxEVT_COMMAND_HTML_LINK_CLICKED, wxHtmlLinkEventHandler( DIALOG_ERC_BASE::OnLinkClicked ), NULL, this );
 	m_markerDataView->Connect( wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, wxDataViewEventHandler( DIALOG_ERC_BASE::OnERCItemDClick ), NULL, this );
 	m_markerDataView->Connect( wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, wxDataViewEventHandler( DIALOG_ERC_BASE::OnERCItemRClick ), NULL, this );
@@ -216,6 +236,7 @@ DIALOG_ERC_BASE::~DIALOG_ERC_BASE()
 {
 	// Disconnect Events
 	this->Disconnect( wxEVT_CLOSE_WINDOW, wxCloseEventHandler( DIALOG_ERC_BASE::OnCloseErcDialog ) );
+	m_bMenu->Disconnect( wxEVT_COMMAND_BUTTON_CLICKED, wxCommandEventHandler( DIALOG_ERC_BASE::OnMenu ), NULL, this );
 	m_messages->Disconnect( wxEVT_COMMAND_HTML_LINK_CLICKED, wxHtmlLinkEventHandler( DIALOG_ERC_BASE::OnLinkClicked ), NULL, this );
 	m_markerDataView->Disconnect( wxEVT_COMMAND_DATAVIEW_ITEM_ACTIVATED, wxDataViewEventHandler( DIALOG_ERC_BASE::OnERCItemDClick ), NULL, this );
 	m_markerDataView->Disconnect( wxEVT_COMMAND_DATAVIEW_ITEM_CONTEXT_MENU, wxDataViewEventHandler( DIALOG_ERC_BASE::OnERCItemRClick ), NULL, this );
diff --git a/eeschema/dialogs/dialog_erc_base.fbp b/eeschema/dialogs/dialog_erc_base.fbp
index 10b754a0b7..20e586d2a6 100644
--- a/eeschema/dialogs/dialog_erc_base.fbp
+++ b/eeschema/dialogs/dialog_erc_base.fbp
@@ -14,7 +14,7 @@
     <property name="embedded_files_path">res</property>
     <property name="encoding">UTF-8</property>
     <property name="file">dialog_erc_base</property>
-    <property name="first_id">1000</property>
+    <property name="first_id">7100</property>
     <property name="internationalize">1</property>
     <property name="lua_skip_events">1</property>
     <property name="lua_ui_table">UI</property>
@@ -135,6 +135,101 @@
             <property name="name">bMainSizer</property>
             <property name="orient">wxVERTICAL</property>
             <property name="permission">none</property>
+            <object class="sizeritem" expanded="true">
+              <property name="border">5</property>
+              <property name="flag">wxEXPAND|wxLEFT</property>
+              <property name="proportion">0</property>
+              <object class="wxGridBagSizer" expanded="true">
+                <property name="empty_cell_size"></property>
+                <property name="flexible_direction">wxBOTH</property>
+                <property name="growablecols">0,1</property>
+                <property name="growablerows">0,1</property>
+                <property name="hgap">0</property>
+                <property name="minimum_size"></property>
+                <property name="name">gbSizerOptions</property>
+                <property name="non_flexible_grow_mode">wxFLEX_GROWMODE_SPECIFIED</property>
+                <property name="permission">none</property>
+                <property name="vgap">0</property>
+                <object class="gbsizeritem" expanded="true">
+                  <property name="border">5</property>
+                  <property name="colspan">1</property>
+                  <property name="column">2</property>
+                  <property name="flag">wxALIGN_CENTER_VERTICAL</property>
+                  <property name="row">0</property>
+                  <property name="rowspan">2</property>
+                  <object class="wxBitmapButton" expanded="true">
+                    <property name="BottomDockable">1</property>
+                    <property name="LeftDockable">1</property>
+                    <property name="RightDockable">1</property>
+                    <property name="TopDockable">1</property>
+                    <property name="aui_layer">0</property>
+                    <property name="aui_name"></property>
+                    <property name="aui_position">0</property>
+                    <property name="aui_row">0</property>
+                    <property name="auth_needed">0</property>
+                    <property name="best_size"></property>
+                    <property name="bg"></property>
+                    <property name="bitmap"></property>
+                    <property name="caption"></property>
+                    <property name="caption_visible">1</property>
+                    <property name="center_pane">0</property>
+                    <property name="close_button">1</property>
+                    <property name="context_help"></property>
+                    <property name="context_menu">1</property>
+                    <property name="current"></property>
+                    <property name="default">0</property>
+                    <property name="default_pane">0</property>
+                    <property name="disabled"></property>
+                    <property name="dock">Dock</property>
+                    <property name="dock_fixed">0</property>
+                    <property name="docking">Left</property>
+                    <property name="drag_accept_files">0</property>
+                    <property name="enabled">1</property>
+                    <property name="fg"></property>
+                    <property name="floatable">1</property>
+                    <property name="focus"></property>
+                    <property name="font"></property>
+                    <property name="gripper">0</property>
+                    <property name="hidden">0</property>
+                    <property name="id">wxID_ANY</property>
+                    <property name="label">Refresh Grouping</property>
+                    <property name="margins"></property>
+                    <property name="markup">0</property>
+                    <property name="max_size"></property>
+                    <property name="maximize_button">0</property>
+                    <property name="maximum_size"></property>
+                    <property name="min_size"></property>
+                    <property name="minimize_button">0</property>
+                    <property name="minimum_size">30,30</property>
+                    <property name="moveable">1</property>
+                    <property name="name">m_bMenu</property>
+                    <property name="pane_border">1</property>
+                    <property name="pane_position"></property>
+                    <property name="pane_size"></property>
+                    <property name="permission">protected</property>
+                    <property name="pin_button">1</property>
+                    <property name="pos"></property>
+                    <property name="position"></property>
+                    <property name="pressed"></property>
+                    <property name="resize">Resizable</property>
+                    <property name="show">1</property>
+                    <property name="size"></property>
+                    <property name="style"></property>
+                    <property name="subclass">STD_BITMAP_BUTTON; widgets/std_bitmap_button.h; forward_declare</property>
+                    <property name="toolbar_pane">0</property>
+                    <property name="tooltip"></property>
+                    <property name="validator_data_type"></property>
+                    <property name="validator_style">wxFILTER_NONE</property>
+                    <property name="validator_type">wxDefaultValidator</property>
+                    <property name="validator_variable"></property>
+                    <property name="window_extra_style"></property>
+                    <property name="window_name"></property>
+                    <property name="window_style"></property>
+                    <event name="OnButtonClick">OnMenu</event>
+                  </object>
+                </object>
+              </object>
+            </object>
             <object class="sizeritem" expanded="true">
               <property name="border">5</property>
               <property name="flag">wxEXPAND|wxTOP|wxRIGHT</property>
diff --git a/eeschema/dialogs/dialog_erc_base.h b/eeschema/dialogs/dialog_erc_base.h
index eda721e7be..7415ce5628 100644
--- a/eeschema/dialogs/dialog_erc_base.h
+++ b/eeschema/dialogs/dialog_erc_base.h
@@ -10,6 +10,7 @@
 #include <wx/artprov.h>
 #include <wx/xrc/xmlres.h>
 #include <wx/intl.h>
+class STD_BITMAP_BUTTON;
 class WX_HTML_REPORT_BOX;
 class WX_INFOBAR;
 
@@ -20,13 +21,16 @@ class WX_INFOBAR;
 #include <wx/colour.h>
 #include <wx/settings.h>
 #include <wx/string.h>
+#include <wx/bmpbuttn.h>
+#include <wx/bitmap.h>
+#include <wx/image.h>
+#include <wx/icon.h>
+#include <wx/button.h>
+#include <wx/gbsizer.h>
 #include <wx/html/htmlwin.h>
 #include <wx/gauge.h>
 #include <wx/sizer.h>
 #include <wx/panel.h>
-#include <wx/bitmap.h>
-#include <wx/image.h>
-#include <wx/icon.h>
 #include <wx/notebook.h>
 #include <wx/dataview.h>
 #include <wx/listctrl.h>
@@ -35,12 +39,11 @@ class WX_INFOBAR;
 #include <wx/stattext.h>
 #include <wx/checkbox.h>
 #include <widgets/number_badge.h>
-#include <wx/button.h>
 #include <wx/dialog.h>
 
 ///////////////////////////////////////////////////////////////////////////
 
-#define ID_ERASE_DRC_MARKERS 1000
+#define ID_ERASE_DRC_MARKERS 7100
 
 ///////////////////////////////////////////////////////////////////////////////
 /// Class DIALOG_ERC_BASE
@@ -51,6 +54,7 @@ class DIALOG_ERC_BASE : public DIALOG_SHIM
 
 	protected:
 		WX_INFOBAR* m_infoBar;
+		STD_BITMAP_BUTTON* m_bMenu;
 		wxSimplebook* m_runningResultsBook;
 		wxPanel* running;
 		wxNotebook* m_runningNotebook;
@@ -82,6 +86,7 @@ class DIALOG_ERC_BASE : public DIALOG_SHIM
 
 		// Virtual event handlers, override them in your derived class
 		virtual void OnCloseErcDialog( wxCloseEvent& event ) { event.Skip(); }
+		virtual void OnMenu( wxCommandEvent& event ) { event.Skip(); }
 		virtual void OnLinkClicked( wxHtmlLinkEvent& event ) { event.Skip(); }
 		virtual void OnERCItemDClick( wxDataViewEvent& event ) { event.Skip(); }
 		virtual void OnERCItemRClick( wxDataViewEvent& event ) { event.Skip(); }
diff --git a/eeschema/eeschema_settings.cpp b/eeschema/eeschema_settings.cpp
index bf239c3b55..f7f360f7a0 100644
--- a/eeschema/eeschema_settings.cpp
+++ b/eeschema/eeschema_settings.cpp
@@ -189,9 +189,6 @@ EESCHEMA_SETTINGS::EESCHEMA_SETTINGS() :
     m_params.emplace_back( new PARAM<int>( "appearance.edit_label_height",
             &m_Appearance.edit_label_height, -1 ) );
 
-    m_params.emplace_back( new PARAM<int>( "appearance.erc_severities",
-            &m_Appearance.erc_severities, RPT_SEVERITY_ERROR | RPT_SEVERITY_WARNING ) );
-
     m_params.emplace_back( new PARAM<bool>( "appearance.footprint_preview",
             &m_Appearance.footprint_preview, true ) );
 
@@ -591,6 +588,12 @@ EESCHEMA_SETTINGS::EESCHEMA_SETTINGS() :
     m_params.emplace_back( new PARAM<int>( "symbol_chooser.sort_mode",
             &m_SymChooserPanel.sort_mode, 0 ) );
 
+    m_params.emplace_back( new PARAM<bool>( "ERC.crossprobe",
+            &m_ERCDialog.crossprobe, true ) );
+
+    m_params.emplace_back( new PARAM<bool>( "ERC.scroll_on_crossprobe",
+            &m_ERCDialog.scroll_on_crossprobe, true ) );
+
     m_params.emplace_back( new PARAM<bool>( "import_graphics.interactive_placement",
             &m_ImportGraphics.interactive_placement, true ) );
 
diff --git a/eeschema/eeschema_settings.h b/eeschema/eeschema_settings.h
index d7cd42a3bd..d934c7cc56 100644
--- a/eeschema/eeschema_settings.h
+++ b/eeschema/eeschema_settings.h
@@ -68,7 +68,6 @@ public:
         int edit_label_width;
         int edit_label_height;
         bool edit_label_multiple;
-        int  erc_severities;
         bool footprint_preview;
         bool print_sheet_reference;
         wxString default_font;
@@ -265,6 +264,12 @@ public:
         int  sort_mode;
     };
 
+    struct DIALOG_ERC
+    {
+        bool crossprobe;
+        bool scroll_on_crossprobe;
+    };
+
     struct DIALOG_IMPORT_GRAPHICS
     {
         bool     interactive_placement;
@@ -328,40 +333,31 @@ private:
     static std::vector<NETLIST_PLUGIN_SETTINGS> netlistSettingsFromJson( const nlohmann::json& aObj );
 
 public:
-    APPEARANCE m_Appearance;
+    APPEARANCE                m_Appearance;
+    AUI_PANELS                m_AuiPanels;
 
-    AUTOPLACE_FIELDS m_AutoplaceFields;
+    DRAWING                   m_Drawing;
+    INPUT                     m_Input;
+    AUTOPLACE_FIELDS          m_AutoplaceFields;
+    SELECTION                 m_Selection;
 
-    AUI_PANELS m_AuiPanels;
-
-    DRAWING m_Drawing;
-
-    FIND_REPLACE_EXTRA m_FindReplaceExtra;
-
-    INPUT m_Input;
-
-    PAGE_SETTINGS m_PageSettings;
-
-    PANEL_ANNOTATE m_AnnotatePanel;
-
-    PANEL_BOM m_BomPanel;
+    PAGE_SETTINGS             m_PageSettings;
+    PANEL_ANNOTATE            m_AnnotatePanel;
+    PANEL_BOM                 m_BomPanel;
 
     PANEL_SYMBOL_FIELDS_TABLE m_FieldEditorPanel;
+    PANEL_LIB_VIEW            m_LibViewPanel;
+    PANEL_NETLIST             m_NetlistPanel;
+    PANEL_SYM_CHOOSER         m_SymChooserPanel;
 
-    PANEL_LIB_VIEW m_LibViewPanel;
+    FIND_REPLACE_EXTRA        m_FindReplaceExtra;
+    DIALOG_ERC                m_ERCDialog;
+    DIALOG_IMPORT_GRAPHICS    m_ImportGraphics;
 
-    PANEL_NETLIST m_NetlistPanel;
+    SIMULATOR                 m_Simulator;
 
-    PANEL_SYM_CHOOSER m_SymChooserPanel;
+    bool                      m_RescueNeverShow;
 
-    DIALOG_IMPORT_GRAPHICS m_ImportGraphics;
-
-    SELECTION m_Selection;
-
-    SIMULATOR m_Simulator;
-
-    bool m_RescueNeverShow;
-
-    wxString m_lastSymbolLibDir;
+    wxString                  m_lastSymbolLibDir;
 };
 
diff --git a/eeschema/sch_edit_frame.cpp b/eeschema/sch_edit_frame.cpp
index b988fd259d..709c696e3f 100644
--- a/eeschema/sch_edit_frame.cpp
+++ b/eeschema/sch_edit_frame.cpp
@@ -2032,7 +2032,7 @@ bool SCH_EDIT_FRAME::GetShowAllPins() const
 }
 
 
-void SCH_EDIT_FRAME::FocusOnItem( EDA_ITEM* aItem )
+void SCH_EDIT_FRAME::FocusOnItem( EDA_ITEM* aItem, bool aAllowScroll )
 {
     // nullptr will clear the current focus
     if( aItem != nullptr && !aItem->IsSCH_ITEM() )
@@ -2060,7 +2060,7 @@ void SCH_EDIT_FRAME::FocusOnItem( EDA_ITEM* aItem )
             lastBrightenedItemID = aItem->m_Uuid;
         }
 
-        FocusOnLocation( aItem->GetFocusPosition() );
+        FocusOnLocation( aItem->GetFocusPosition(), aAllowScroll );
     }
 }
 
diff --git a/eeschema/sch_edit_frame.h b/eeschema/sch_edit_frame.h
index ffe661f31e..1d41bd64fd 100644
--- a/eeschema/sch_edit_frame.h
+++ b/eeschema/sch_edit_frame.h
@@ -755,7 +755,7 @@ public:
     int GetSchematicJunctionSize();
     double GetSchematicHopOverScale();
 
-    void FocusOnItem( EDA_ITEM* aItem ) override;
+    void FocusOnItem( EDA_ITEM* aItem, bool aAllowScroll = true ) override;
 
     bool IsSyncingSelection() { return m_syncingPcbToSchSelection; }
 
diff --git a/eeschema/symbol_editor/symbol_edit_frame.cpp b/eeschema/symbol_editor/symbol_edit_frame.cpp
index 7e79f7530b..9fdbf3f61a 100644
--- a/eeschema/symbol_editor/symbol_edit_frame.cpp
+++ b/eeschema/symbol_editor/symbol_edit_frame.cpp
@@ -1541,7 +1541,7 @@ const BOX2I SYMBOL_EDIT_FRAME::GetDocumentExtents( bool aIncludeAllVisible ) con
 }
 
 
-void SYMBOL_EDIT_FRAME::FocusOnItem( EDA_ITEM* aItem )
+void SYMBOL_EDIT_FRAME::FocusOnItem( EDA_ITEM* aItem, bool aAllowScroll )
 {
     static KIID lastBrightenedItemID( niluuid );
 
@@ -1587,7 +1587,7 @@ void SYMBOL_EDIT_FRAME::FocusOnItem( EDA_ITEM* aItem )
             lastBrightenedItemID = aItem->m_Uuid;
         }
 
-        FocusOnLocation( VECTOR2I( aItem->GetFocusPosition().x, -aItem->GetFocusPosition().y ) );
+        FocusOnLocation( VECTOR2I( aItem->GetFocusPosition().x, -aItem->GetFocusPosition().y ), aAllowScroll );
     }
 }
 
diff --git a/eeschema/symbol_editor/symbol_edit_frame.h b/eeschema/symbol_editor/symbol_edit_frame.h
index 613acf6963..4216da1480 100644
--- a/eeschema/symbol_editor/symbol_edit_frame.h
+++ b/eeschema/symbol_editor/symbol_edit_frame.h
@@ -377,7 +377,7 @@ public:
 
     void KiwayMailIn( KIWAY_EXPRESS& mail ) override;
 
-    void FocusOnItem( EDA_ITEM* aItem ) override;
+    void FocusOnItem( EDA_ITEM* aItem, bool aAllowScroll = true ) override;
 
     /**
      * Load a symbol from the schematic to edit in place.
diff --git a/include/eda_draw_frame.h b/include/eda_draw_frame.h
index d797a2777c..67dbf9a41f 100644
--- a/include/eda_draw_frame.h
+++ b/include/eda_draw_frame.h
@@ -313,7 +313,7 @@ public:
      *
      * @param aItem is the item to focus on. nullptr clears the focus.
      */
-    virtual void FocusOnItem( EDA_ITEM* aItem ) {}
+    virtual void FocusOnItem( EDA_ITEM* aItem, bool aAllowScroll = true ) {}
 
     virtual void ClearFocus() { FocusOnItem( nullptr ); }
 
diff --git a/include/pcb_base_frame.h b/include/pcb_base_frame.h
index 53e65c4a5c..e349a9f24c 100644
--- a/include/pcb_base_frame.h
+++ b/include/pcb_base_frame.h
@@ -220,7 +220,7 @@ public:
 
     EDA_ITEM* ResolveItem( const KIID& aId, bool aAllowNullptrReturn = false ) const override;
 
-    void FocusOnItem( EDA_ITEM* aItem ) override;
+    void FocusOnItem( EDA_ITEM* aItem, bool aAllowScroll = true ) override;
     void FocusOnItem( BOARD_ITEM* aItem, PCB_LAYER_ID aLayer = UNDEFINED_LAYER, bool aAllowScroll = true );
     void FocusOnItems( std::vector<BOARD_ITEM*> aItems, PCB_LAYER_ID aLayer = UNDEFINED_LAYER,
                        bool aAllowScroll = true );
diff --git a/pcbnew/dialogs/dialog_drc_base.cpp b/pcbnew/dialogs/dialog_drc_base.cpp
index ba19776bc6..7b8053e108 100644
--- a/pcbnew/dialogs/dialog_drc_base.cpp
+++ b/pcbnew/dialogs/dialog_drc_base.cpp
@@ -52,7 +52,7 @@ DIALOG_DRC_BASE::DIALOG_DRC_BASE( wxWindow* parent, wxWindowID id, const wxStrin
 	m_bMenu = new STD_BITMAP_BUTTON( this, wxID_ANY, wxNullBitmap, wxDefaultPosition, wxDefaultSize, wxBU_AUTODRAW|0 );
 	m_bMenu->SetMinSize( wxSize( 30,30 ) );
 
-	gbSizerOptions->Add( m_bMenu, wxGBPosition( 0, 2 ), wxGBSpan( 2, 1 ), wxALIGN_CENTER_VERTICAL, 5 );
+	gbSizerOptions->Add( m_bMenu, wxGBPosition( 0, 2 ), wxGBSpan( 2, 1 ), wxALIGN_CENTER_VERTICAL|wxRIGHT, 5 );
 
 
 	gbSizerOptions->AddGrowableCol( 0 );
@@ -60,7 +60,7 @@ DIALOG_DRC_BASE::DIALOG_DRC_BASE( wxWindow* parent, wxWindowID id, const wxStrin
 	gbSizerOptions->AddGrowableRow( 0 );
 	gbSizerOptions->AddGrowableRow( 1 );
 
-	m_MainSizer->Add( gbSizerOptions, 0, wxEXPAND|wxTOP|wxRIGHT|wxLEFT, 10 );
+	m_MainSizer->Add( gbSizerOptions, 0, wxEXPAND|wxTOP|wxLEFT, 10 );
 
 	m_runningResultsBook = new wxSimplebook( this, wxID_ANY, wxDefaultPosition, wxDefaultSize, 0 );
 	running = new wxPanel( m_runningResultsBook, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxTAB_TRAVERSAL );
diff --git a/pcbnew/dialogs/dialog_drc_base.fbp b/pcbnew/dialogs/dialog_drc_base.fbp
index e7cde1d88a..6443c84905 100644
--- a/pcbnew/dialogs/dialog_drc_base.fbp
+++ b/pcbnew/dialogs/dialog_drc_base.fbp
@@ -101,7 +101,7 @@
         </object>
         <object class="sizeritem" expanded="true">
           <property name="border">10</property>
-          <property name="flag">wxEXPAND|wxTOP|wxRIGHT|wxLEFT</property>
+          <property name="flag">wxEXPAND|wxTOP|wxLEFT</property>
           <property name="proportion">0</property>
           <object class="wxGridBagSizer" expanded="true">
             <property name="empty_cell_size"></property>
@@ -254,7 +254,7 @@
               <property name="border">5</property>
               <property name="colspan">1</property>
               <property name="column">2</property>
-              <property name="flag">wxALIGN_CENTER_VERTICAL</property>
+              <property name="flag">wxALIGN_CENTER_VERTICAL|wxRIGHT</property>
               <property name="row">0</property>
               <property name="rowspan">2</property>
               <object class="wxBitmapButton" expanded="true">
diff --git a/pcbnew/pcb_base_frame.cpp b/pcbnew/pcb_base_frame.cpp
index 39d69e861f..7b6ff0ae6a 100644
--- a/pcbnew/pcb_base_frame.cpp
+++ b/pcbnew/pcb_base_frame.cpp
@@ -253,13 +253,13 @@ EDA_ITEM* PCB_BASE_FRAME::ResolveItem( const KIID& aId, bool aAllowNullptrReturn
     return GetBoard()->ResolveItem( aId, aAllowNullptrReturn );
 }
 
-void PCB_BASE_FRAME::FocusOnItem( EDA_ITEM* aItem )
+void PCB_BASE_FRAME::FocusOnItem( EDA_ITEM* aItem, bool aAllowScroll )
 {
     // nullptr will clear the current focus
     if( aItem != nullptr && !aItem->IsBOARD_ITEM() )
         return;
 
-    FocusOnItem( static_cast<BOARD_ITEM*>( aItem ), UNDEFINED_LAYER );
+    FocusOnItem( static_cast<BOARD_ITEM*>( aItem ), UNDEFINED_LAYER, aAllowScroll );
 }
 
 void PCB_BASE_FRAME::FocusOnItem( BOARD_ITEM* aItem, PCB_LAYER_ID aLayer, bool aAllowScroll )