Use correct project name when adding new symbol instances.

When adding a sheet using a schematic from another project, set the
project name for the new symbol instance data to the current project
rather than the project name from the copied instance data.

eeschema/dialogs/dialog_sheet_properties.cpp

@@ -640,7 +640,7 @@ bool DIALOG_SHEET_PROPERTIES::onSheetFilenameChanged( const wxString& aNewFilena
 
         SCH_SHEET_LIST sheetHierarchy( m_sheet );  // The hierarchy of the loaded file.
 
-        sheetHierarchy.AddNewSymbolInstances( currentSheet );
+        sheetHierarchy.AddNewSymbolInstances( currentSheet, m_frame->Prj().GetProjectName() );
         sheetHierarchy.AddNewSheetInstances( currentSheet,
                                              fullHierarchy.GetLastVirtualPageNumber() );
     }

eeschema/sch_sheet_path.cpp

@@ -551,8 +551,11 @@ void SCH_SHEET_PATH::SetPageNumber( const wxString& aPageNumber )
 }
 
 
-void SCH_SHEET_PATH::AddNewSymbolInstances( const SCH_SHEET_PATH& aPrefixSheetPath )
+void SCH_SHEET_PATH::AddNewSymbolInstances( const SCH_SHEET_PATH& aPrefixSheetPath,
+                                            const wxString& aProjectName )
 {
+    wxCHECK( !aProjectName.IsEmpty(), /* void */ );
+
     SCH_SHEET_PATH newSheetPath( aPrefixSheetPath );
     SCH_SHEET_PATH currentSheetPath( *this );
 
@@ -569,12 +572,16 @@ void SCH_SHEET_PATH::AddNewSymbolInstances( const SCH_SHEET_PATH& aPrefixSheetPa
 
         if( symbol->GetInstance( newSymbolInstance, Path(), true ) )
         {
+            newSymbolInstance.m_ProjectName = aProjectName;
             // Use an existing symbol instance for this path if it exists.
+
             newSymbolInstance.m_Path = newSheetPath.Path();
             symbol->AddHierarchicalReference( newSymbolInstance );
         }
         else if( !symbol->GetInstances().empty() )
         {
+            newSymbolInstance.m_ProjectName = aProjectName;
+
             // Use the first symbol instance if any symbol instance data exists.
             newSymbolInstance = symbol->GetInstances()[0];
             newSymbolInstance.m_Path = newSheetPath.Path();
@@ -582,6 +589,8 @@ void SCH_SHEET_PATH::AddNewSymbolInstances( const SCH_SHEET_PATH& aPrefixSheetPa
         }
         else
         {
+            newSymbolInstance.m_ProjectName = aProjectName;
+
             // Fall back to the last saved symbol field and unit settings if there is no
             // instance data.
             newSymbolInstance.m_Path = newSheetPath.Path();
@@ -1226,10 +1235,11 @@ void SCH_SHEET_LIST::SetInitialPageNumbers()
 }
 
 
-void SCH_SHEET_LIST::AddNewSymbolInstances( const SCH_SHEET_PATH& aPrefixSheetPath )
+void SCH_SHEET_LIST::AddNewSymbolInstances( const SCH_SHEET_PATH& aPrefixSheetPath,
+                                            const wxString& aProjectName )
 {
     for( SCH_SHEET_PATH& sheetPath : *this )
-        sheetPath.AddNewSymbolInstances( aPrefixSheetPath );
+        sheetPath.AddNewSymbolInstances( aPrefixSheetPath, aProjectName );
 }
 
 

eeschema/sch_sheet_path.h

@@ -391,8 +391,13 @@ public:
      *    from the library symbol.
      *  - If all else fails, set the reference to "U?", the unit to 1, and everything else to
      *    an empty string.
+     *
+     * @param aPrefixSheetPath is the sheet path to prefix to this sheet path for the new symbol
+     *        instance.
+     * @param aProjectName is the name of the project for the new symbol instance data.
      */
-    void AddNewSymbolInstances( const SCH_SHEET_PATH& aPrefixSheetPath );
+    void AddNewSymbolInstances( const SCH_SHEET_PATH& aPrefixSheetPath,
+                                const wxString& aProjectName );
 
     void RemoveSymbolInstances( const SCH_SHEET_PATH& aPrefixSheetPath );
 
@@ -665,8 +670,10 @@ public:
      * with \a aPrefixSheetPath.
      *
      * @param aPrefixSheetPath is the sheet path to append the new symbol instances to.
+     * @param aProjectName is the name of the project for the new symbol instance data.
      */
-    void AddNewSymbolInstances( const SCH_SHEET_PATH& aPrefixSheetPath );
+    void AddNewSymbolInstances( const SCH_SHEET_PATH& aPrefixSheetPath,
+                                const wxString& aProjectName );
 
     void AddNewSheetInstances( const SCH_SHEET_PATH& aPrefixSheetPath,
                                int aLastVirtualPageNumber );

eeschema/sheet.cpp

@@ -570,7 +570,7 @@ bool SCH_EDIT_FRAME::LoadSheetFromFile( SCH_SHEET* aSheet, SCH_SHEET_PATH* aCurr
     newScreen->MigrateSimModels();
 
     // Attempt to create new symbol instances using the instance data loaded above.
-    sheetHierarchy.AddNewSymbolInstances( *aCurrentSheet );
+    sheetHierarchy.AddNewSymbolInstances( *aCurrentSheet, Prj().GetProjectName() );
 
     // Add new sheet instance data.
     sheetHierarchy.AddNewSheetInstances( *aCurrentSheet, hierarchy.GetLastVirtualPageNumber() );