Ensure pads and zones come up visible by default

These visibility layers didn't exist until now

common/project/project_local_settings.cpp

@@ -22,14 +22,14 @@
 #include <project/project_local_settings.h>
 #include <settings/parameters.h>
 
-const int projectLocalSettingsVersion = 1;
+const int projectLocalSettingsVersion = 2;
 
 
-PROJECT_LOCAL_SETTINGS::PROJECT_LOCAL_SETTINGS( const wxString& aFilename ) :
+PROJECT_LOCAL_SETTINGS::PROJECT_LOCAL_SETTINGS( PROJECT* aProject, const wxString& aFilename ) :
         JSON_SETTINGS( aFilename, SETTINGS_LOC::PROJECT, projectLocalSettingsVersion,
                        /* aCreateIfMissing = */ true, /* aCreateIfDefault = */ false,
                        /* aWriteFile = */ true ),
-        m_project( nullptr ),
+        m_project( aProject ),
         m_SelectionFilter()
 {
     m_params.emplace_back( new PARAM_LAMBDA<std::string>( "board.visible_layers",
@@ -186,3 +186,48 @@ bool PROJECT_LOCAL_SETTINGS::SaveToFile( const wxString& aDirectory, bool aForce
 
     return JSON_SETTINGS::SaveToFile( aDirectory, aForce );
 }
+
+
+bool PROJECT_LOCAL_SETTINGS::Migrate()
+{
+    bool ret = true;
+    int  filever = at( PointerFromString( "meta.version" ) ).get<int>();
+
+    if( filever == 1 )
+    {
+        ret &= migrateSchema1to2();
+
+        if( ret )
+        {
+            ( *this )[PointerFromString( "meta.version" )] = 1;
+        }
+    }
+
+    return ret;
+}
+
+
+bool PROJECT_LOCAL_SETTINGS::migrateSchema1to2()
+{
+    /**
+     * Schema version 1 to 2:
+     * LAYER_PADS and LAYER_ZONES added to visibility controls
+     */
+
+    nlohmann::json::json_pointer ptr( "/board/visible_items"_json_pointer );
+
+    if( contains( ptr ) )
+    {
+        if( ( *this )[ptr].is_array() )
+        {
+            ( *this )[ptr].push_back( LAYER_PADS );
+            ( *this )[ptr].push_back( LAYER_ZONES );
+        }
+        else
+        {
+            at( "board" ).erase( "visible_items" );
+        }
+    }
+    
+    return true;
+}

common/settings/settings_manager.cpp

@@ -712,10 +712,9 @@ bool SETTINGS_MANAGER::LoadProject( const wxString& aFullPath, bool aSetActive )
     wxString fn( path.GetName() );
 
     PROJECT_LOCAL_SETTINGS* settings = static_cast<PROJECT_LOCAL_SETTINGS*>(
-            RegisterSettings( new PROJECT_LOCAL_SETTINGS( fn ) ) );
+            RegisterSettings( new PROJECT_LOCAL_SETTINGS( m_projects[fullPath].get(), fn ) ) );
 
     m_projects[fullPath]->setLocalSettings( settings );
-    settings->SetProject( m_projects[fullPath].get() );
 
     if( m_kiway )
         m_kiway->ProjectChanged();

include/project/project_local_settings.h

@@ -43,12 +43,14 @@ class PROJECT;
 class PROJECT_LOCAL_SETTINGS : public JSON_SETTINGS
 {
 public:
-    PROJECT_LOCAL_SETTINGS( const wxString& aFilename );
+    PROJECT_LOCAL_SETTINGS( PROJECT* aProject, const wxString& aFilename );
 
     virtual ~PROJECT_LOCAL_SETTINGS() {}
 
     bool MigrateFromLegacy( wxConfigBase* aLegacyConfig ) override;
 
+    bool Migrate() override;
+
     bool SaveToFile( const wxString& aDirectory = "", bool aForce = false ) override;
 
     void SetProject( PROJECT* aProject )
@@ -56,6 +58,9 @@ public:
         m_project = aProject;
     }
 
+private:
+    bool migrateSchema1to2();
+
 protected:
 
     wxString getFileExt() const override

pcbnew/pcb_parser.cpp

@@ -1810,6 +1810,10 @@ void PCB_PARSER::parseSetup()
                 for( size_t i = 0; i < sizeof( int ) * CHAR_BIT; i++ )
                     m_board->m_LegacyVisibleItems.set( i, visible & ( 1u << i ) );
 
+                // These didn't exist in legacy files; make sure they are set
+                m_board->m_LegacyVisibleItems.set( LAYER_PADS );
+                m_board->m_LegacyVisibleItems.set( LAYER_ZONES );
+
                 NeedRIGHT();
             }
             break;