py api: bpy.data.is_dirty wasn't working like image is dirty, instead is would return if the file was saved or not.

- rename to 'is_saved' (and negated).
- add 'is_dirty' which is true when the files edits are not saved to disk.

2 files changed, 20 insertions, 4 deletions

diff --git a/release/scripts/startup/bl_ui/properties_physics_common.py b/release/scripts/startup/bl_ui/properties_physics_common.py
index bd657848996..f7cf8da1840 100644
--- a/release/scripts/startup/bl_ui/properties_physics_common.py
+++ b/release/scripts/startup/bl_ui/properties_physics_common.py
@@ -106,7 +106,7 @@ def point_cache_ui(self, context, cache, enabled, cachetype):
         layout.label(text=cache.info)
     else:
         if cachetype == 'SMOKE':
-            if bpy.data.is_dirty:
+            if not bpy.data.is_saved:
                 layout.label(text="Cache is disabled until the file is saved")
                 layout.enabled = False
 
@@ -129,7 +129,7 @@ def point_cache_ui(self, context, cache, enabled, cachetype):
 
         if cachetype != 'SMOKE':
             split = layout.split()
-            split.enabled = enabled and (not bpy.data.is_dirty)
+            split.enabled = enabled and bpy.data.is_saved
 
             col = split.column()
             col.prop(cache, "use_disk_cache")
@@ -139,7 +139,7 @@ def point_cache_ui(self, context, cache, enabled, cachetype):
             col.prop(cache, "use_library_path", "Use Lib Path")
 
             row = layout.row()
-            row.enabled = enabled and (not bpy.data.is_dirty)
+            row.enabled = enabled and bpy.data.is_saved
             row.active = cache.use_disk_cache
             row.label(text="Compression:")
             row.prop(cache, "compression", expand=True)
diff --git a/source/blender/makesrna/intern/rna_main.c b/source/blender/makesrna/intern/rna_main.c
index 74912737cf8..eedf199bf1c 100644
--- a/source/blender/makesrna/intern/rna_main.c
+++ b/source/blender/makesrna/intern/rna_main.c
@@ -42,9 +42,20 @@
 
 /* all the list begin functions are added manually here, Main is not in SDNA */
 
+static int rna_Main_is_saved_get(PointerRNA *ptr)
+{
+	return G.relbase_valid;
+}
+
 static int rna_Main_is_dirty_get(PointerRNA *ptr)
 {
-	return !G.relbase_valid;
+	/* XXX, not totally nice to do it this way, should store in main ? */
+	wmWindowManager *wm;
+	for(wm= G.main->wm.first; wm; wm= wm->id.next) {
+		return !wm->file_saved;
+	}
+
+	return TRUE;
 }
 
 static void rna_Main_filepath_get(PointerRNA *ptr, char *value)
@@ -307,6 +318,11 @@ void RNA_def_main(BlenderRNA *brna)
 	prop= RNA_def_property(srna, "is_dirty", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
 	RNA_def_property_boolean_funcs(prop, "rna_Main_is_dirty_get", NULL);
+	RNA_def_property_ui_text(prop, "File is Saved", "Have recent edits been saved to disk");
+
+	prop= RNA_def_property(srna, "is_saved", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
+	RNA_def_property_boolean_funcs(prop, "rna_Main_is_saved_get", NULL);
 	RNA_def_property_ui_text(prop, "File is Saved", "Has the current session been saved to disk as a .blend file");
 
 	for(i=0; lists[i].name; i++)