[gnome-photos/wip/rishi/misc-fixes: 18/24] preview-nav-buttons: Hold references on internal widgets

[Debarshi Ray <debarshir src gnome org>]

commit 6f9f1ed32c23796ffd657dbaff2d4539db2690ed
Author: Debarshi Ray <debarshir gnome org>
Date:   Mon Dec 14 20:16:22 2015 +0100

    preview-nav-buttons: Hold references on internal widgets

 src/photos-preview-nav-buttons.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/src/photos-preview-nav-buttons.c b/src/photos-preview-nav-buttons.c
index f4ad411..f67a610 100644
--- a/src/photos-preview-nav-buttons.c
+++ b/src/photos-preview-nav-buttons.c
@@ -370,6 +370,8 @@ photos_preview_nav_buttons_dispose (GObject *object)
 
   g_clear_object (&priv->tap_gesture);
   g_clear_object (&priv->model);
+  g_clear_object (&priv->next_widget);
+  g_clear_object (&priv->prev_widget);
   g_clear_object (&priv->item_mngr);
   g_clear_object (&priv->mode_cntrlr);
 
@@ -400,7 +402,7 @@ photos_preview_nav_buttons_constructed (GObject *object)
 
   G_OBJECT_CLASS (photos_preview_nav_buttons_parent_class)->constructed (object);
 
-  priv->prev_widget = gtk_revealer_new ();
+  priv->prev_widget = g_object_ref_sink (gtk_revealer_new ());
   gtk_widget_set_halign (priv->prev_widget, GTK_ALIGN_START);
   gtk_widget_set_margin_start (priv->prev_widget, 30);
   gtk_widget_set_margin_end (priv->prev_widget, 30);
@@ -426,7 +428,7 @@ photos_preview_nav_buttons_constructed (GObject *object)
                             G_CALLBACK (photos_preview_nav_buttons_leave_notify),
                             self);
 
-  priv->next_widget = gtk_revealer_new ();
+  priv->next_widget = g_object_ref_sink (gtk_revealer_new ());
   gtk_widget_set_halign (priv->next_widget, GTK_ALIGN_END);
   gtk_widget_set_margin_start (priv->next_widget, 30);
   gtk_widget_set_margin_end (priv->next_widget, 30);