[shotwell] Hack to switch menubar in the application window

[Jens Georg <jensgeorg src gnome org>]

commit 5fea37e591b98968121dbc05679c0a5e8755fb74
Author: Jens Georg <mail jensge org>
Date:   Fri Dec 16 22:16:01 2016 +0100

    Hack to switch menubar in the application window
    
    Apparently the Gtk.ApplicationWindow only reloads the menu bar from the
    Application if the gtk-shell-shows-menubar property changes
    
    Signed-off-by: Jens Georg <mail jensge org>

 src/library/LibraryWindow.vala |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/library/LibraryWindow.vala b/src/library/LibraryWindow.vala
index 628bc36..8b8091a 100644
--- a/src/library/LibraryWindow.vala
+++ b/src/library/LibraryWindow.vala
@@ -1272,6 +1272,9 @@ public class LibraryWindow : AppWindow {
 
         Application.set_menubar (page.get_menubar ());
         set_show_menubar (true);
+        var old = get_settings().gtk_shell_shows_menubar;
+        get_settings().gtk_shell_shows_menubar = !old;
+        get_settings().gtk_shell_shows_menubar = old;
         
         Gtk.Toolbar toolbar = page.get_toolbar();
         if (toolbar != null) {