[shotwell] Hide toolbar when switching away from fullscreen

[Jens Georg <jensgeorg src gnome org>]

commit 61941ad671534d15d5474460a8cd13cdae6b48c2
Author: Jens Georg <mail jensge org>
Date:   Sat May 21 21:19:40 2016 +0200

    Hide toolbar when switching away from fullscreen
    
    Don't have hit hover around over other windows
    
    Signed-off-by: Jens Georg <mail jensge org>
    
    https://bugzilla.gnome.org/show_bug.cgi?id=756126

 src/AppWindow.vala |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/src/AppWindow.vala b/src/AppWindow.vala
index 743c72e..3206006 100644
--- a/src/AppWindow.vala
+++ b/src/AppWindow.vala
@@ -81,6 +81,16 @@ public class FullscreenWindow : PageWindow {
         toolbar_window.add(toolbar);
         
         toolbar_window.realize.connect(on_toolbar_realized);
+
+        this.focus_in_event.connect(() => {
+            toolbar_window.show();
+            return false;
+        });
+
+        this.focus_out_event.connect (() => {
+            toolbar_window.hide();
+            return false;
+        });
         
         add(page);