VSE: Draw f-curves for opacity and volume values on the strips

Feature can be enabled or disabled in timeline view menu item "Show F-Curves".

Author a.monti

Reviewed By: ISS

Differential Revision: https://developer.blender.org/D7205

release/scripts/startup/bl_ui/space_sequencer.py

@@ -309,6 +309,7 @@ class SEQUENCER_MT_view(Menu):
             layout.prop(st, "show_seconds")
             layout.prop(st, "show_locked_time")
             layout.prop(st, "show_strip_offset")
+            layout.prop(st, "show_fcurves")
             layout.separator()
             layout.prop(st, "show_markers")