[eog] EogWindow: Hide collection if only one image is available

[Felix Riemann <friemann src gnome org>]

commit 054055d37a35c2aa5945b9f33d0f4dcfc865bcd3
Author: Felix Riemann <friemann gnome org>
Date:   Fri May 22 23:29:50 2015 +0200

    EogWindow: Hide collection if only one image is available
    
    This restores the collection's pre-3.16 behaviour.

 src/eog-window.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/eog-window.c b/src/eog-window.c
index 738213f..a87379e 100644
--- a/src/eog-window.c
+++ b/src/eog-window.c
@@ -771,8 +771,7 @@ update_action_groups_state (EogWindow *window)
 
                gtk_widget_show (priv->layout);
 
-               if (show_image_gallery)
-                       gtk_widget_show (priv->nav);
+               gtk_widget_set_visible (priv->nav, show_image_gallery);
 
                g_simple_action_set_state (G_SIMPLE_ACTION (action_gallery),
                                           g_variant_new_boolean (show_image_gallery));
@@ -1933,7 +1932,8 @@ update_ui_visibility (EogWindow *window)
        if (priv->status != EOG_WINDOW_STATUS_INIT) {
                visible = g_settings_get_boolean (priv->ui_settings,
                                                  EOG_CONF_UI_IMAGE_GALLERY);
-               visible = visible && priv->mode != EOG_WINDOW_MODE_SLIDESHOW;
+               visible &= gtk_widget_get_visible (priv->nav);
+               visible &= (priv->mode != EOG_WINDOW_MODE_SLIDESHOW);
                action = g_action_map_lookup_action (G_ACTION_MAP (window), "view-gallery");
                g_assert (action != NULL);
                g_simple_action_set_state (G_SIMPLE_ACTION (action), g_variant_new_boolean (visible));