patch 7.4.1713
Problem: GTK GUI doesn't work on Wayland.
Solution: Specify that only the X11 backend is allowed. (Simon McVittie)
diff --git a/src/gui_gtk_x11.c b/src/gui_gtk_x11.c
index aa4137a..00196eb 100644
--- a/src/gui_gtk_x11.c
+++ b/src/gui_gtk_x11.c
@@ -1679,6 +1679,12 @@
}
#endif
+#if GTK_CHECK_VERSION(3,10,0)
+ /* Vim currently assumes that Gtk means X11, so it cannot use native Gtk
+ * support for other backends such as Wayland. */
+ gdk_set_allowed_backends ("x11");
+#endif
+
#ifdef FEAT_GUI_GNOME
if (gtk_socket_id == 0)
using_gnome = 1;