[gtk+] Add style classes to headerbar titles

[Matthias Clasen <matthiasc src gnome org>]

commit 77059dbaba04dfaf234032d7ea9ca53c137096ca
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Aug 16 13:35:28 2013 -0400

    Add style classes to headerbar titles
    
    The current theme just makes all text bold that appears anywhere
    in a headerbar, which is not great. We add 'title' and 'subtitle'
    style classes to allow more targeted overriding of the font.

 gtk/gtkheaderbar.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkheaderbar.c b/gtk/gtkheaderbar.c
index 8cad9c8..992f441 100644
--- a/gtk/gtkheaderbar.c
+++ b/gtk/gtkheaderbar.c
@@ -176,12 +176,15 @@ _gtk_header_bar_create_title_box (const char *title,
   GtkWidget *label_box;
   GtkWidget *title_label;
   GtkWidget *subtitle_label;
+  GtkStyleContext *context;
 
   label_box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 0);
   gtk_widget_set_valign (label_box, GTK_ALIGN_CENTER);
   gtk_widget_show (label_box);
 
   title_label = gtk_label_new (title);
+  context = gtk_widget_get_style_context (title_label);
+  gtk_style_context_add_class (context, "title");
   boldify_label (title_label);
   gtk_label_set_line_wrap (GTK_LABEL (title_label), FALSE);
   gtk_label_set_single_line_mode (GTK_LABEL (title_label), TRUE);
@@ -190,6 +193,8 @@ _gtk_header_bar_create_title_box (const char *title,
   gtk_widget_show (title_label);
 
   subtitle_label = gtk_label_new (subtitle);
+  context = gtk_widget_get_style_context (subtitle_label);
+  gtk_style_context_add_class (context, "subtitle");
   smallify_label (subtitle_label);
   gtk_label_set_line_wrap (GTK_LABEL (subtitle_label), FALSE);
   gtk_label_set_single_line_mode (GTK_LABEL (subtitle_label), TRUE);