[gtk+] css: Use setters for font size and family

[Matthias Clasen <matthiasc src gnome org>]

commit 309c6dfaf8a081166e28e4109db96c2292151edd
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun May 1 01:10:59 2016 -0400

    css: Use setters for font size and family
    
    This avoid creating pango font descriptions all the time, when
    the gtk-font-name setting hasn't actually changed.

 gtk/gtkcssenumvalue.c    |   25 +++++++------------------
 gtk/gtkcssinitialvalue.c |   25 ++-----------------------
 2 files changed, 9 insertions(+), 41 deletions(-)
---
diff --git a/gtk/gtkcssenumvalue.c b/gtk/gtkcssenumvalue.c
index 7cb0adc..607b7c1 100644
--- a/gtk/gtkcssenumvalue.c
+++ b/gtk/gtkcssenumvalue.c
@@ -144,30 +144,19 @@ gtk_css_font_size_get_default_px (GtkStyleProviderPrivate *provider,
 {
   GtkSettings *settings;
   PangoFontDescription *description;
-  char *font_name;
-  double font_size;
+  int font_size;
 
   settings = _gtk_style_provider_private_get_settings (provider);
   if (settings == NULL)
     return DEFAULT_FONT_SIZE_PT * get_dpi (style) / 72.0;
-  
-  g_object_get (settings, "gtk-font-name", &font_name, NULL);
-  description = pango_font_description_from_string (font_name);
-  g_free (font_name);
-  if (description == NULL)
-    return DEFAULT_FONT_SIZE_PT * get_dpi (style) / 72.0;
 
-  if (pango_font_description_get_set_fields (description) & PANGO_FONT_MASK_SIZE)
-    {
-      font_size = (double) pango_font_description_get_size (description) / PANGO_SCALE;
-      if (!pango_font_description_get_size_is_absolute (description))
-        font_size = font_size * get_dpi (style) / 72.0;
-    }
+  font_size = gtk_settings_get_font_size (settings);
+  if (font_size == 0)
+    return DEFAULT_FONT_SIZE_PT * get_dpi (style) / 72.0;
+  else if (gtk_settings_get_font_size_is_absolute (settings))
+    return (double) font_size / PANGO_SCALE;
   else
-    font_size = DEFAULT_FONT_SIZE_PT * get_dpi (style) / 72.0;
-
-  pango_font_description_free (description);
-  return font_size;
+    return ((double) font_size / PANGO_SCALE) * get_dpi (style) / 72.0;
 }
 
 static GtkCssValue *
diff --git a/gtk/gtkcssinitialvalue.c b/gtk/gtkcssinitialvalue.c
index 736e716..a21bb4f 100644
--- a/gtk/gtkcssinitialvalue.c
+++ b/gtk/gtkcssinitialvalue.c
@@ -62,29 +62,8 @@ gtk_css_value_initial_compute (GtkCssValue             *value,
 
     case GTK_CSS_PROPERTY_FONT_FAMILY:
       settings = _gtk_style_provider_private_get_settings (provider);
-      if (settings)
-        {
-          PangoFontDescription *description;
-          char *font_name;
-
-          g_object_get (settings, "gtk-font-name", &font_name, NULL);
-          description = pango_font_description_from_string (font_name);
-          g_free (font_name);
-          if (description == NULL)
-            break;
-
-          if (pango_font_description_get_set_fields (description) & PANGO_FONT_MASK_FAMILY)
-            {
-              GtkCssValue *val;
-
-              val = _gtk_css_array_value_new (_gtk_css_string_value_new (pango_font_description_get_family 
(description)));
-              pango_font_description_free (description);
-
-              return val;
-            }
- 
-          pango_font_description_free (description);
-        }
+      if (settings && gtk_settings_get_font_family (settings) != NULL)
+        return _gtk_css_array_value_new (_gtk_css_string_value_new (gtk_settings_get_font_family 
(settings)));
       break;
 
     default: