[pitivi] viewer: Hide overlays when showing the size percent

[Alexandru Băluț <alexbalut src gnome org>]

commit d68d392d4f9de0c4a3d87f1f607352058af52893
Author: Alexandru Băluț <alexandru balut gmail com>
Date:   Fri May 10 21:38:06 2019 +0200

    viewer: Hide overlays when showing the size percent
    
    If a clip was selected and the viewer was being resized, the respective
    overlay remained visible on top of the resize percent and was looking
    bad.

 pitivi/viewer/overlay_stack.py | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/pitivi/viewer/overlay_stack.py b/pitivi/viewer/overlay_stack.py
index 816b3c69..b578cc04 100644
--- a/pitivi/viewer/overlay_stack.py
+++ b/pitivi/viewer/overlay_stack.py
@@ -201,6 +201,7 @@ class OverlayStack(Gtk.Overlay, Loggable):
         if not self.revealer.get_reveal_child():
             self.revealer.set_transition_duration(10)
             self.revealer.set_reveal_child(True)
+            self.hide_overlays()
 
         video_width = self.app.project_manager.current_project.videowidth
         percent = int(allocation.width / video_width * 100)
@@ -215,4 +216,5 @@ class OverlayStack(Gtk.Overlay, Loggable):
         self.__resizing_id = 0
         self.revealer.set_transition_duration(500)
         self.revealer.set_reveal_child(False)
+        self.show_overlays()
         return False