temporarily disable video region when we do a full_quality_refresh

git-svn-id: https://xpra.org/svn/Xpra/trunk@12741 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/server/window/window_video_source.py

@@ -441,6 +441,8 @@ def full_quality_refresh(self, window, damage_options={}):
         else:
             #keep the region, but cancel the refresh:
             self.video_subregion.cancel_refresh_timer()
+        #refresh the whole window in one go:
+        damage_options["novideo"] = True
         WindowSource.full_quality_refresh(self, window, damage_options)
 
 
@@ -544,6 +546,11 @@ def send_nonvideo(regions=regions, encoding=coding, exclude_region=None, get_bes
             #keep current encoding selection function
             return send_nonvideo(get_best_encoding=self.get_best_encoding)
 
+        if options.get("novideo"):
+            sublog("video disabled in options")
+            #keep current encoding selection function
+            return send_nonvideo()
+
         vr = self.video_subregion.rectangle
         if not vr:
             sublog("no video region, we may use the video encoder for something else")