FONT_CONFIG

The font configuration has changed in a way that requires text to be redrawn.

This can be any of the [property@Gtk.Settings:gtk-xft-antialias], [property@Gtk.Settings:gtk-xft-hinting], [ property@Gtk.Settings:gtk-xft-hintstyle], [property@Gtk.Settings:gtk-xft-rgba] or [property@Gtk.Settings:gtk-fontconfig-timestamp] settings