[tepl] StyleSchemeChooserWidget: set a border (shadow)

[Sébastien Wilmet <swilmet src gnome org>]

commit d3b96928d1eb5baa59ba70601dbcd05d6610697f
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Fri Nov 20 20:54:28 2020 +0100

    StyleSchemeChooserWidget: set a border (shadow)
    
    Fixes https://gitlab.gnome.org/GNOME/gedit/-/issues/379

 tepl/tepl-style-scheme-chooser-widget.c | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/tepl/tepl-style-scheme-chooser-widget.c b/tepl/tepl-style-scheme-chooser-widget.c
index 95427cd..07e3159 100644
--- a/tepl/tepl-style-scheme-chooser-widget.c
+++ b/tepl/tepl-style-scheme-chooser-widget.c
@@ -389,6 +389,7 @@ tepl_style_scheme_chooser_widget_init (TeplStyleSchemeChooserWidget *chooser)
        scrolled_window = gtk_scrolled_window_new (NULL, NULL);
        gtk_widget_set_hexpand (scrolled_window, TRUE);
        gtk_widget_set_vexpand (scrolled_window, TRUE);
+       gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (scrolled_window), GTK_SHADOW_IN);
 
        /* Overlay scrolling gets in the way when trying to select the last row. */
        gtk_scrolled_window_set_overlay_scrolling (GTK_SCROLLED_WINDOW (scrolled_window), FALSE);