[pango/listmodel-properties: 7/7] fc: Notify :n-items when needed

[Matthias Clasen <matthiasc src gnome org>]

commit 3c2db21ecbed82516e544a8cb71b318d0d5bab9a
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Jun 10 07:20:24 2022 -0400

    fc: Notify :n-items when needed
    
    Notify :n-items when reloading the configuration,
    since that may change the number of families.

 pango/pangofc-fontmap.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/pango/pangofc-fontmap.c b/pango/pangofc-fontmap.c
index 4c39ea1f..e21032f3 100644
--- a/pango/pangofc-fontmap.c
+++ b/pango/pangofc-fontmap.c
@@ -2292,6 +2292,8 @@ pango_fc_font_map_cache_clear (PangoFcFontMap *fcfontmap)
   added = fcfontmap->priv->n_families;
 
   g_list_model_items_changed (G_LIST_MODEL (fcfontmap), 0, removed, added);
+  if (removed != added)
+    g_object_notify (G_OBJECT (fcfontmap), "n-items");
 
   pango_font_map_changed (PANGO_FONT_MAP (fcfontmap));
 }