[clutter] clutter-text: prevent reset of user set font descriptions on dpi changes

[Lionel Landwerlin <llandwerlin src gnome org>]

commit 90243e9d887046783d1fbcac928048419fe0e8a1
Author: Lionel Landwerlin <llandwerlin gmail com>
Date:   Tue Jun 11 14:01:30 2013 +0100

    clutter-text: prevent reset of user set font descriptions on dpi changes
    
    When setting the font using clutter_text_set_font_description(), the
    font settings on a ClutterText actor can be reset when there is a dpi
    changes signaled by the backend.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=702016

 clutter/clutter-text.c |   13 ++++++++-----
 1 files changed, 8 insertions(+), 5 deletions(-)
---
diff --git a/clutter/clutter-text.c b/clutter/clutter-text.c
index fd5f4b0..bc13e22 100644
--- a/clutter/clutter-text.c
+++ b/clutter/clutter-text.c
@@ -566,10 +566,13 @@ clutter_text_dirty_cache (ClutterText *text)
  */
 static inline void
 clutter_text_set_font_description_internal (ClutterText          *self,
-                                            PangoFontDescription *desc)
+                                            PangoFontDescription *desc,
+                                            gboolean              is_default_font)
 {
   ClutterTextPrivate *priv = self->priv;
 
+  priv->is_default_font = is_default_font;
+
   if (priv->font_desc == desc ||
       pango_font_description_equal (priv->font_desc, desc))
     return;
@@ -617,7 +620,7 @@ clutter_text_settings_changed_cb (ClutterText *text)
                     font_name);
 
       font_desc = pango_font_description_from_string (font_name);
-      clutter_text_set_font_description_internal (text, font_desc);
+      clutter_text_set_font_description_internal (text, font_desc, TRUE);
 
       pango_font_description_free (font_desc);
       g_free (font_name);
@@ -4818,7 +4821,8 @@ clutter_text_set_font_description (ClutterText          *self,
 {
   g_return_if_fail (CLUTTER_IS_TEXT (self));
 
-  clutter_text_set_font_description_internal (self, font_desc);
+  clutter_text_set_font_description_internal (self, font_desc,
+                                              font_desc == NULL);
 }
 
 /**
@@ -4925,8 +4929,7 @@ clutter_text_set_font_name (ClutterText *self,
     }
 
   /* this will set the font_name field as well */
-  clutter_text_set_font_description_internal (self, desc);
-  priv->is_default_font = is_default_font;
+  clutter_text_set_font_description_internal (self, desc, is_default_font);
 
   g_object_notify_by_pspec (G_OBJECT (self), obj_props[PROP_FONT_NAME]);