[sysprof] libsysprof-ui: put wall time first

[Christian Hergert <chergert src gnome org>]

commit a6848d1f4db2b269ebaf6cbb7967006deb8a6947
Author: Christian Hergert <chergert redhat com>
Date:   Thu May 23 12:21:11 2019 -0700

    libsysprof-ui: put wall time first

 src/libsysprof-ui/sysprof-cell-renderer-duration.c | 23 +++++-----------------
 1 file changed, 5 insertions(+), 18 deletions(-)
---
diff --git a/src/libsysprof-ui/sysprof-cell-renderer-duration.c 
b/src/libsysprof-ui/sysprof-cell-renderer-duration.c
index cfe173b..49c4017 100644
--- a/src/libsysprof-ui/sysprof-cell-renderer-duration.c
+++ b/src/libsysprof-ui/sysprof-cell-renderer-duration.c
@@ -73,7 +73,6 @@ sysprof_cell_renderer_duration_render (GtkCellRenderer      *renderer,
   GdkRGBA rgba;
   GdkRectangle r;
   gint64 duration;
-  gint off = -1;
 
   g_assert (SYSPROF_IS_CELL_RENDERER_DURATION (self));
   g_assert (cr != NULL);
@@ -127,18 +126,17 @@ sysprof_cell_renderer_duration_render (GtkCellRenderer      *renderer,
       cairo_stroke (cr);
     }
 
-  str = g_string_new (priv->text);
+  str = g_string_new (NULL);
 
   if (priv->begin_time != priv->end_time)
     {
       g_autofree gchar *fmt = _sysprof_format_duration (priv->end_time - priv->begin_time);
-
-      if (str->len)
-        g_string_append (str, " — ");
-      off = str->len;
-      g_string_append (str, fmt);
+      g_string_append_printf (str, "%s — ", fmt);
     }
 
+  if (priv->text != NULL)
+    g_string_append (str, priv->text);
+
   if (str->len)
     {
       PangoLayout *layout;
@@ -158,17 +156,6 @@ sysprof_cell_renderer_duration_render (GtkCellRenderer      *renderer,
       else
         cairo_move_to (cr, r.x - w, r.y + ((r.height - h) / 2));
 
-      if (off > -1)
-        {
-          PangoAttrList *list = pango_attr_list_new ();
-          PangoAttribute *attr = pango_attr_scale_new (0.8333);
-          attr->start_index = off;
-          attr->end_index = str->len;
-          pango_attr_list_insert (list, g_steal_pointer (&attr));
-          pango_layout_set_attributes (layout, list);
-          pango_attr_list_unref (list);
-        }
-
       if (priv->end_time < priv->begin_time)
         {
           gdk_rgba_parse (&rgba, "#f00");