Fix some things about template fieldname synchronization

eeschema/eeschema_config.cpp

@@ -261,8 +261,6 @@ bool SCH_EDIT_FRAME::LoadProjectSettings()
 
     pglayout.SetPageLayout( filename );
 
-    Prj().GetProjectFile().m_TemplateFieldNames = &m_templateFieldNames;
-
     return true;
 }
 

eeschema/files-io.cpp

@@ -276,18 +276,24 @@ bool SCH_EDIT_FRAME::OpenProjectFiles( const std::vector<wxString>& aFileSet, in
     // it knows what consequences that will have on other KIFACEs running and using
     // this same PROJECT.  It can be very harmful if that calling code is stupid.
 
+    // NOTE: The calling code should never call this in hosted (non-standalone) mode with a
+    // different project than what has been loaded by the manager frame.  This will crash.
+
+    bool differentProject = pro.GetFullPath() != Prj().GetProjectFullName();
+
+    if( differentProject )
+    {
+        GetSettingsManager()->SaveProject();
+        GetSettingsManager()->UnloadProject( &Prj() );
+        GetSettingsManager()->LoadProject( pro.GetFullPath() );
+    }
+
     if( schFileType == SCH_IO_MGR::SCH_LEGACY )
     {
         // Don't reload the symbol libraries if we are just launching Eeschema from KiCad again.
         // They are already saved in the kiface project object.
-        if( pro.GetFullPath() != Prj().GetProjectFullName()
-          || !Prj().GetElem( PROJECT::ELEM_SCH_PART_LIBS ) )
+        if( differentProject || !Prj().GetElem( PROJECT::ELEM_SCH_PART_LIBS ) )
         {
-            GetSettingsManager()->SaveProject();
-            GetSettingsManager()->UnloadProject( &Prj() );
-
-            GetSettingsManager()->LoadProject( pro.GetFullPath() );
-
             // load the libraries here, not in SCH_SCREEN::Draw() which is a context
             // that will not tolerate DisplayError() dialog since we're already in an
             // event handler in there.
@@ -303,10 +309,6 @@ bool SCH_EDIT_FRAME::OpenProjectFiles( const std::vector<wxString>& aFileSet, in
         Prj().SetElem( PROJECT::ELEM_SCH_PART_LIBS, NULL );
     }
 
-    // Make sure the project file name is set (it won't be in standalone mode)
-    if( pro.GetFullPath() != Prj().GetProjectFullName() )
-        GetSettingsManager()->LoadProject( pro.GetFullPath() );
-
     // Load the symbol library table, this will be used forever more.
     Prj().SetElem( PROJECT::ELEM_SYMBOL_LIB_TABLE, NULL );
     Prj().SchSymbolLibTable();

eeschema/sch_edit_frame.cpp

@@ -213,8 +213,6 @@ SCH_EDIT_FRAME::SCH_EDIT_FRAME( KIWAY* aKiway, wxWindow* aParent ):
 {
     m_schematic = new SCHEMATIC( nullptr );
 
-    Prj().GetProjectFile().m_TemplateFieldNames = &m_templateFieldNames;
-
     m_showBorderAndTitleBlock = true;   // true to show sheet references
     m_hasAutoSave = true;
     m_AboutTitle = "Eeschema";
@@ -303,7 +301,8 @@ SCH_EDIT_FRAME::SCH_EDIT_FRAME( KIWAY* aKiway, wxWindow* aParent ):
 SCH_EDIT_FRAME::~SCH_EDIT_FRAME()
 {
     GetSettingsManager()->SaveProject();
-    Prj().GetProjectFile().m_TemplateFieldNames = nullptr;
+    Schematic().SetTemplateFieldNames( nullptr );
+    Schematic().Reset();
 
     // Shutdown all running tools
     if( m_toolManager )
@@ -424,6 +423,8 @@ void SCH_EDIT_FRAME::CreateScreens()
 {
     m_schematic->Reset();
     m_schematic->SetProject( &Prj() );
+    m_schematic->SetTemplateFieldNames( &m_templateFieldNames );
+
     m_schematic->SetRoot( new SCH_SHEET( m_schematic ) );
 
     m_defaults = &m_schematic->Settings();

eeschema/schematic.cpp

@@ -85,6 +85,18 @@ void SCHEMATIC::SetProject( PROJECT* aPrj )
 }
 
 
+void SCHEMATIC::SetTemplateFieldNames( TEMPLATES* aTemplates )
+{
+    wxASSERT( m_project );
+    PROJECT_FILE& project = m_project->GetProjectFile();
+
+    project.m_TemplateFieldNames = aTemplates;
+
+    if( project.m_SchematicSettings )
+        project.m_SchematicSettings->m_TemplateFieldNames = aTemplates;
+}
+
+
 void SCHEMATIC::SetRoot( SCH_SHEET* aRootSheet )
 {
     wxCHECK_RET( aRootSheet, "Call to SetRoot with null SCH_SHEET!" );

eeschema/schematic.h

@@ -81,6 +81,9 @@ public:
 
     void SetProject( PROJECT* aPrj );
 
+    /// Sets up the template fieldnames link if this project is opened in eeschema
+    void SetTemplateFieldNames( TEMPLATES* aTemplates );
+
     /**
      * Builds and returns an updated schematic hierarchy
      * TODO: can this be cached?