[gtk+] Protect against giant title fonts

[Matthias Clasen <matthiasc src gnome org>]

commit ea6e57412f09435278ec1e21280bb5527d96350b
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Jan 27 23:23:43 2011 -0500

    Protect against giant title fonts
    
    We don't want repeated calls to set_title_font to blow up the
    font size ever more, so reset the font each time.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=640712

 gtk/gtkassistant.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkassistant.c b/gtk/gtkassistant.c
index e4ef82c..816e1e5 100644
--- a/gtk/gtkassistant.c
+++ b/gtk/gtkassistant.c
@@ -1103,6 +1103,8 @@ set_title_font (GtkWidget *assistant,
   GtkStyleContext *context;
   gint size;
 
+  gtk_widget_override_font (title_label, NULL);
+
   desc = pango_font_description_new ();
   context = gtk_widget_get_style_context (title_label);
   size = pango_font_description_get_size (gtk_style_context_get_font (context, 0));
@@ -1110,7 +1112,7 @@ set_title_font (GtkWidget *assistant,
   pango_font_description_set_weight (desc, PANGO_WEIGHT_ULTRABOLD);
   pango_font_description_set_size   (desc, size * PANGO_SCALE_XX_LARGE);
 
-  gtk_widget_modify_font (title_label, desc);
+  gtk_widget_override_font (title_label, desc);
   pango_font_description_free (desc);
 }