Eeschema: move auto-save test from SCH_SHEET_PATH to SCH_SHEET.

eeschema/sch_sheet.cpp

@@ -1253,6 +1253,31 @@ bool SCH_SHEET::IsModified() const
 }
 
 
+bool SCH_SHEET::IsAutoSaveRequired()
+{
+    if( m_screen->IsModify() )
+        return true;
+
+    bool      retv = false;
+    SCH_ITEM* item = m_screen->GetDrawItems();
+
+    while( item && !retv )
+    {
+        if( item->Type() == SCH_SHEET_T )
+        {
+            SCH_SHEET* sheet = static_cast<SCH_SHEET*>( item );
+
+            if( sheet->m_screen )
+                retv = sheet->m_screen->IsSave();
+        }
+
+        item = item->Next();
+    }
+
+    return retv;
+}
+
+
 void SCH_SHEET::ClearModifyStatus()
 {
     m_screen->ClrModify();

eeschema/sch_sheet.h

@@ -649,6 +649,13 @@ public:
      */
     void ClearModifyStatus();
 
+    /**
+     * Function IsAutoSaveRequired
+     * checks the entire hierarchy for any modifications that require auto save.
+     * @return True if the hierarchy is modified otherwise false.
+     */
+    bool IsAutoSaveRequired();
+
 #if defined(DEBUG)
     void Show( int nestLevel, std::ostream& os ) const;     // override
 #endif

eeschema/sch_sheet_path.cpp

@@ -684,18 +684,6 @@ void SCH_SHEET_LIST::BuildSheetList( SCH_SHEET* aSheet )
 }
 
 
-bool SCH_SHEET_LIST::IsAutoSaveRequired()
-{
-    for( SCH_SHEET_PATH* sheet = GetFirst(); sheet; sheet = GetNext() )
-    {
-        if( sheet->LastScreen() && sheet->LastScreen()->IsSave() )
-            return true;
-    }
-
-    return false;
-}
-
-
 void SCH_SHEET_LIST::AnnotatePowerSymbols( PART_LIBS* aLibs )
 {
     int ref = 1;

eeschema/sch_sheet_path.h

@@ -436,13 +436,6 @@ public:
      */
     SCH_SHEET_PATH* GetSheetByPath( const wxString aPath, bool aHumanReadable = true );
 
-    /**
-     * Function IsAutoSaveRequired
-     * checks the entire hierarchy for any modifications that require auto save.
-     * @return True if the hierarchy is modified otherwise false.
-     */
-    bool IsAutoSaveRequired();
-
     /**
      * Function AnnotatePowerSymbols
      * clear and annotates the entire hierarchy of the sheet path list.

eeschema/schframe.cpp

@@ -1179,12 +1179,9 @@ bool SCH_EDIT_FRAME::isAutoSaveRequired() const
 {
     // In case this event happens before g_RootSheet is initialized which does happen
     // on mingw64 builds.
-
     if( g_RootSheet != NULL )
     {
-        SCH_SHEET_LIST sheetList;
-
-        return sheetList.IsAutoSaveRequired();
+        return g_RootSheet->IsAutoSaveRequired();
     }
 
     return false;