[gtk/surface-scale: 4/4] x11: Notify on surface scale changes

[Matthias Clasen <matthiasc src gnome org>]

commit f14762b026c4b55b1ba06f327f1414f7c634f59f
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jan 16 15:21:36 2021 -0500

    x11: Notify on surface scale changes
    
    Emit property notification when the surface scale
    changes.

 gdk/x11/gdksurface-x11.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gdk/x11/gdksurface-x11.c b/gdk/x11/gdksurface-x11.c
index 207c34e419..feecf917a2 100644
--- a/gdk/x11/gdksurface-x11.c
+++ b/gdk/x11/gdksurface-x11.c
@@ -2013,6 +2013,8 @@ _gdk_x11_surface_set_surface_scale (GdkSurface *surface,
                  surface->height * impl->surface_scale);
 
   gdk_surface_invalidate_rect (surface, NULL);
+
+  g_object_notify (G_OBJECT (surface), "scale-factor");
 }
 
 void