Fix footprint defaults setting storage after layer ID changes

Fixes https://gitlab.com/kicad/code/kicad/-/issues/19873

include/board_design_settings.h

@@ -210,11 +210,11 @@ enum
 
 struct TEXT_ITEM_INFO
 {
-    wxString m_Text;
-    bool     m_Visible;
-    int      m_Layer;
+    wxString     m_Text;
+    bool         m_Visible;
+    PCB_LAYER_ID m_Layer;
 
-    TEXT_ITEM_INFO( const wxString& aText, bool aVisible, int aLayer )
+    TEXT_ITEM_INFO( const wxString& aText, bool aVisible, PCB_LAYER_ID aLayer )
     {
         m_Text = aText;
         m_Visible = aVisible;

include/footprint_editor_settings.h

@@ -101,6 +101,8 @@ private:
     bool migrateSchema2To3();
 
     bool migrateSchema3To4();
+
+    bool migrateSchema4To5();
 };
 
 

pcbnew/dialogs/panel_fp_editor_field_defaults.cpp

@@ -82,7 +82,7 @@ public:
     void SetValueAsLong( int row, int col, long value ) override
     {
         if( col == 0 )
-            m_items[row].m_Layer = static_cast<int>( value );
+            m_items[row].m_Layer = static_cast<PCB_LAYER_ID>( value );
     }
 
     bool AppendRows( size_t aNumRows = 1 ) override
@@ -102,7 +102,7 @@ public:
             if( IsUserLayer( static_cast<PCB_LAYER_ID>( layer ) ) )
             {
                 layers.insert( layer );
-                m_items.emplace_back( wxT( "" ), true, layer );
+                m_items.emplace_back( wxT( "" ), true, static_cast<PCB_LAYER_ID>( layer ) );
             }
             else
             {
@@ -205,7 +205,7 @@ public:
     void SetValueAsLong( int row, int col, long value ) override
     {
         if( col == 2 )
-            m_items[row].m_Layer = (int) value;
+            m_items[row].m_Layer = static_cast<PCB_LAYER_ID>( value );
     }
 
     bool AppendRows( size_t aNumRows = 1 ) override
@@ -405,8 +405,8 @@ bool PANEL_FP_EDITOR_FIELD_DEFAULTS::TransferDataFromWindow()
     for( int i : { REFERENCE_FIELD, VALUE_FIELD } )
     {
         wxString text = table->GetValue( i, 0 );
-        bool     visible = table->GetValueAsBool( i, 1 );
-        int      layer = (int) table->GetValueAsLong( i, 2 );
+        bool visible = table->GetValueAsBool( i, 1 );
+        PCB_LAYER_ID layer = static_cast<PCB_LAYER_ID>( table->GetValueAsLong( i, 2 ) );
 
         cfg.m_DefaultFPTextItems.emplace_back( text, visible, layer );
     }
@@ -416,8 +416,8 @@ bool PANEL_FP_EDITOR_FIELD_DEFAULTS::TransferDataFromWindow()
     for( int i = 0; i < m_textItemsGrid->GetNumberRows(); ++i )
     {
         wxString text = table->GetValue( i, 0 );
-        bool     visible = table->GetValueAsBool( i, 1 );
-        int      layer = (int) table->GetValueAsLong( i, 2 );
+        bool visible = table->GetValueAsBool( i, 1 );
+        PCB_LAYER_ID layer = static_cast<PCB_LAYER_ID>( table->GetValueAsLong( i, 2 ) );
 
         cfg.m_DefaultFPTextItems.emplace_back( text, visible, layer );
     }

pcbnew/footprint_editor_settings.cpp

@@ -37,7 +37,7 @@
 
 
 ///! Update the schema version whenever a migration is required
-const int fpEditSchemaVersion = 4;
+const int fpEditSchemaVersion = 5;
 
 
 FOOTPRINT_EDITOR_SETTINGS::FOOTPRINT_EDITOR_SETTINGS() :
@@ -156,7 +156,7 @@ FOOTPRINT_EDITOR_SETTINGS::FOOTPRINT_EDITOR_SETTINGS() :
                 {
                     js.push_back( nlohmann::json( { item.m_Text.ToUTF8(),
                                                     item.m_Visible,
-                                                    item.m_Layer } ) );
+                                                    LSET::Name( item.m_Layer ) } ) );
                 }
 
                 return js;
@@ -177,15 +177,19 @@ FOOTPRINT_EDITOR_SETTINGS::FOOTPRINT_EDITOR_SETTINGS() :
 
                     textInfo.m_Text = entry.at(0).get<wxString>();
                     textInfo.m_Visible = entry.at(1).get<bool>();
-                    textInfo.m_Layer = entry.at(2).get<int>();
+                    wxString layerName = entry.at(2).get<wxString>();
+                    int candidateLayer = LSET::NameToLayer( layerName );
+                    textInfo.m_Layer = candidateLayer >= 0
+                                           ? static_cast<PCB_LAYER_ID>(candidateLayer)
+                                           : F_SilkS;
 
                     m_DesignSettings.m_DefaultFPTextItems.push_back( std::move( textInfo ) );
                 }
             },
             nlohmann::json::array( {
-                                       { "REF**", true, F_SilkS },
-                                       { "", true, F_Fab },
-                                       { "${REFERENCE}", true, F_Fab }
+                                       { "REF**", true, LSET::Name( F_SilkS ) },
+                                       { "", true, LSET::Name( F_Fab ) },
+                                       { "${REFERENCE}", true, LSET::Name( F_Fab ) }
                                    } ) ) );
 
     m_params.emplace_back( new PARAM_MAP<wxString>( "design_settings.default_footprint_layer_names",
@@ -377,6 +381,7 @@ FOOTPRINT_EDITOR_SETTINGS::FOOTPRINT_EDITOR_SETTINGS() :
 
     registerMigration( 2, 3, std::bind( &FOOTPRINT_EDITOR_SETTINGS::migrateSchema2To3, this ) );
     registerMigration( 3, 4, std::bind( &FOOTPRINT_EDITOR_SETTINGS::migrateSchema3To4, this ) );
+    registerMigration( 4, 5, std::bind( &FOOTPRINT_EDITOR_SETTINGS::migrateSchema4To5, this ) );
 }
 
 
@@ -569,3 +574,51 @@ bool FOOTPRINT_EDITOR_SETTINGS::migrateSchema3To4()
 
     return true;
 }
+
+
+/**
+ * Schema version 5: move text defaults to used named layers
+ */
+bool FOOTPRINT_EDITOR_SETTINGS::migrateSchema4To5   ()
+{
+    auto p( "/design_settings/default_footprint_text_items"_json_pointer );
+
+    if( !m_internals->contains( p ) || !m_internals->at( p ).is_array() )
+        return true;
+
+    nlohmann::json& defaults = m_internals->at( p );
+
+    bool reset = false;
+
+    for( nlohmann::json& entry : defaults )
+    {
+        TEXT_ITEM_INFO textInfo( wxT( "" ), true, F_SilkS );
+
+        textInfo.m_Text = entry.at(0).get<wxString>();
+        textInfo.m_Visible = entry.at(1).get<bool>();
+        textInfo.m_Layer = static_cast<PCB_LAYER_ID>( entry.at(2).get<int>() );
+
+        if( textInfo.m_Layer == Rescue || textInfo.m_Layer >= User_5 )
+        {
+            // KiCad pre-9.0 nightlies would write buggy preferences out with invalid layers.
+            // If we detect that, reset to defaults
+            reset = true;
+        }
+        else
+        {
+            // Coming from 8.0 or earlier, just migrate to named layers
+            entry.at(2) = LSET::Name( textInfo.m_Layer );
+        }
+    }
+
+    if( reset )
+    {
+        defaults = nlohmann::json::array( {
+                                       { "REF**", true, LSET::Name( F_SilkS ) },
+                                       { "", true, LSET::Name( F_Fab ) },
+                                       { "${REFERENCE}", true, LSET::Name( F_Fab ) }
+                                   } );
+    }
+
+    return true;
+}

pcbnew/footprint_libraries_utils.cpp

@@ -1282,7 +1282,7 @@ FOOTPRINT* PCB_BASE_FRAME::CreateNewFootprint( wxString aFootprintName, const wx
 
     footprint->Reference().SetText( settings.m_DefaultFPTextItems[0].m_Text );
     footprint->Reference().SetVisible( settings.m_DefaultFPTextItems[0].m_Visible );
-    txt_layer = (PCB_LAYER_ID) settings.m_DefaultFPTextItems[0].m_Layer;
+    txt_layer = settings.m_DefaultFPTextItems[0].m_Layer;
     footprint->Reference().SetLayer( txt_layer );
     default_pos.y -= settings.GetTextSize( txt_layer ).y / 2;
     footprint->Reference().SetPosition( default_pos );
@@ -1290,7 +1290,7 @@ FOOTPRINT* PCB_BASE_FRAME::CreateNewFootprint( wxString aFootprintName, const wx
 
     footprint->Value().SetText( settings.m_DefaultFPTextItems[1].m_Text );
     footprint->Value().SetVisible( settings.m_DefaultFPTextItems[1].m_Visible );
-    txt_layer = (PCB_LAYER_ID) settings.m_DefaultFPTextItems[1].m_Layer;
+    txt_layer = settings.m_DefaultFPTextItems[1].m_Layer;
     footprint->Value().SetLayer( txt_layer );
     default_pos.y += settings.GetTextSize( txt_layer ).y / 2;
     footprint->Value().SetPosition( default_pos );