[gtk+] Factor out a get_char_pixels method for clarity.

[Paolo Borelli <pborelli src gnome org>]

commit af7650ce1fb9ae8c33d9c76e5b34aae02b78366f
Author: Paolo Borelli <pborelli gnome org>
Date:   Sat Apr 9 22:19:51 2011 +0200

    Factor out a get_char_pixels method for clarity.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=647284

 gtk/gtklabel.c |   30 ++++++++++++++++++++----------
 1 files changed, 20 insertions(+), 10 deletions(-)
---
diff --git a/gtk/gtklabel.c b/gtk/gtklabel.c
index 23ae223..a85eabe 100644
--- a/gtk/gtklabel.c
+++ b/gtk/gtklabel.c
@@ -3660,6 +3660,23 @@ get_size_for_allocation (GtkLabel        *label,
   g_object_unref (layout);
 }
 
+static gint
+get_char_pixels (GtkWidget   *label,
+                 PangoLayout *layout)
+{
+  PangoContext *context;
+  PangoFontMetrics *metrics;
+  gint char_width, digit_width;
+
+  context = pango_layout_get_context (layout);
+  metrics = get_font_metrics (context, GTK_WIDGET (label));
+  char_width = pango_font_metrics_get_approximate_char_width (metrics);
+  digit_width = pango_font_metrics_get_approximate_digit_width (metrics);
+  pango_font_metrics_unref (metrics);
+
+  return MAX (char_width, digit_width);;
+}
+
 static void
 gtk_label_get_preferred_layout_size (GtkLabel *label,
                                      PangoRectangle *required,
@@ -3728,16 +3745,9 @@ gtk_label_get_preferred_layout_size (GtkLabel *label,
 
   if (priv->ellipsize || priv->wrap)
     {
-      PangoContext     *context;
-      PangoFontMetrics *metrics;
-      gint              char_width, digit_width, char_pixels;
-
-      context = pango_layout_get_context (layout);
-      metrics = get_font_metrics (context, GTK_WIDGET (label));
-      char_width = pango_font_metrics_get_approximate_char_width (metrics);
-      digit_width = pango_font_metrics_get_approximate_digit_width (metrics);
-      char_pixels = MAX (char_width, digit_width);
-      pango_font_metrics_unref (metrics);
+      gint char_pixels;
+
+      char_pixels = get_char_pixels (GTK_WIDGET (label), layout);
 
       required->width = char_pixels * MAX (priv->width_chars, ellipsize_chars);