[totem/wip/hadess/devel-app-name: 2/2] main: Add visual hint to development build

[Bastien Nocera <hadess src gnome org>]

commit 2f817209fd35f269ced26e81b9609d0aedeec0a9
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Feb 3 17:13:06 2022 +0100

    main: Add visual hint to development build
    
    See 
https://gitlab.gnome.org/GNOME/Initiatives/-/wikis/DevOps-with-Flatpak#adding-a-visual-hint-for-development

 src/totem-object.c | 8 ++++++++
 1 file changed, 8 insertions(+)
---
diff --git a/src/totem-object.c b/src/totem-object.c
index d1c82e6f2..8ba50a0b4 100644
--- a/src/totem-object.c
+++ b/src/totem-object.c
@@ -177,6 +177,14 @@ totem_object_app_activate (GApplication *app)
                totem_object_exit (NULL);
 
        totem->win = GTK_WIDGET (gtk_builder_get_object (totem->xml, "totem_main_window"));
+#if DEVELOPMENT_VERSION
+       {
+               GtkStyleContext *style_context;
+               style_context = gtk_widget_get_style_context (GTK_WIDGET (totem->win));
+               gtk_style_context_add_class (style_context, "devel");
+       }
+#endif
+
 
        /* Menubar */
        totem->stack = GTK_WIDGET (gtk_builder_get_object (totem->xml, "tmw_main_stack"));