Trying to prevent a crash when changing render quality meanwhile updating work area.

diff --git a/synfig-studio/trunk/src/gtkmm/canvasview.cpp b/synfig-studio/trunk/src/gtkmm/canvasview.cpp
index 7e77704..0d1112b 100644 (file)
--- a/synfig-studio/trunk/src/gtkmm/canvasview.cpp
+++ b/synfig-studio/trunk/src/gtkmm/canvasview.cpp
@@ -3187,6 +3187,13 @@ CanvasView::toggle_low_res_pixel_flag()
 void
 CanvasView::update_quality()
 {
+       if(working_depth)
+               {
+                       quality_spin->set_sensitive(false);
+                       return;
+               }
+       else
+               quality_spin->set_sensitive(true);
        if(updating_quality_)
                return;
        updating_quality_=true;