From 8bfce3eab87b2c0799ac6531bcc6921db4e5ffca Mon Sep 17 00:00:00 2001
From: Colin Clark <colin.clark@cclark.uk>
Date: Fri, 24 Jun 2022 10:17:30 +0100
Subject: [PATCH] Part fix #985: Fullscreen alwasys loads on the wrong screen
 in a dual-monitor setup

https://github.com/BestImageViewer/geeqie/issues/985

Removes the need for the user to set GDK_BACKEND.

User can still override the x11 setting by setting GDK_BACKEND to
something else.
---
 src/main.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main.c b/src/main.c
index 7ae3f995..863e39a0 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1175,6 +1175,10 @@ gint main(gint argc, gchar *argv[])
 	gint fd_stderr[2];
 	GIOChannel *stderr_channel;
 
+#if GTK_CHECK_VERSION(3,10,0)
+	gdk_set_allowed_backends("x11,*");
+#endif
+
 #ifdef HAVE_GTHREAD
 #if !GLIB_CHECK_VERSION(2,32,0)
 	g_thread_init(NULL);
-- 
2.20.1