[gtk] demo: Don't add more icons all the time

[Benjamin Otte <otte src gnome org>]

commit c5bcc47ce798a160aa851b623ed9411f1e461f62
Author: Benjamin Otte <otte redhat com>
Date:   Sun Apr 22 02:45:11 2018 +0200

    demo: Don't add more icons all the time
    
    If adding new icons takes longer than a second, the frame clock should
    run before we add even more icons...

 demos/gtk-demo/fishbowl.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/demos/gtk-demo/fishbowl.c b/demos/gtk-demo/fishbowl.c
index 689874da5e..7aeaf3206e 100644
--- a/demos/gtk-demo/fishbowl.c
+++ b/demos/gtk-demo/fishbowl.c
@@ -190,9 +190,11 @@ do_fishbowl (GtkWidget *do_widget)
                         G_CALLBACK (gtk_widget_destroyed), &window);
 
       gtk_widget_realize (window);
-      g_timeout_add_seconds (1,
-                             move_fish,
-                             bowl);
+      g_timeout_add_seconds_full (G_PRIORITY_DEFAULT_IDLE,
+                                  1,
+                                  move_fish,
+                                  bowl,
+                                  NULL);
     }
 
   if (!gtk_widget_get_visible (window))