[eog: 2/3] Replace gdk_window_get_background_pattern by getting background-color property

[Felix Riemann <friemann src gnome org>]

commit d56bf8c3d3d31cc8eb0f2530fe9d0d4a1023b8c8
Author: Krifa75 <yahiaoui fakhri gmail com>
Date:   Mon May 10 21:02:44 2021 +0200

    Replace gdk_window_get_background_pattern by getting background-color property

 src/eog-scroll-view.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)
---
diff --git a/src/eog-scroll-view.c b/src/eog-scroll-view.c
index a1dc6432..a79712b2 100644
--- a/src/eog-scroll-view.c
+++ b/src/eog-scroll-view.c
@@ -1343,8 +1343,19 @@ display_draw (GtkWidget *widget, cairo_t *cr, gpointer data)
                                       background_color->green,
                                       background_color->blue,
                                       background_color->alpha);
-       else
-               cairo_set_source (cr, gdk_window_get_background_pattern (gtk_widget_get_window 
(priv->display)));
+       else {
+               GtkStyleContext *context;
+               GdkRGBA *pattern_rgba;
+               GtkStateFlags state;
+
+               context = gtk_widget_get_style_context (priv->display);
+               state = gtk_style_context_get_state (context);
+
+               gtk_style_context_get (context, state, GTK_STYLE_PROPERTY_BACKGROUND_COLOR, &pattern_rgba, 
NULL);
+               gdk_cairo_set_source_rgba (cr, pattern_rgba);
+
+               gdk_rgba_free (pattern_rgba);
+       }
        cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
        cairo_fill (cr);