[gtk+] combobox: add a "combobox-entry" style class for comboboxes with entries

[Cosimo Cecchi <cosimoc src gnome org>]

commit 7e22b46c1f5c7cc15e18283932497760705f03a3
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Tue Aug 9 15:32:21 2011 +0200

    combobox: add a "combobox-entry" style class for comboboxes with entries
    
    This way themes can use GtkComboBox.combobox-entry to match that
    specific case, and GtkComboBox.combobox-entry .button to match the
    button/arrow side of the widget.

 docs/reference/gtk/gtk3-sections.txt |    1 +
 gtk/gtkcombobox.c                    |    4 ++++
 gtk/gtkstylecontext.c                |    1 +
 gtk/gtkstylecontext.h                |    9 +++++++++
 4 files changed, 15 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/gtk/gtk3-sections.txt b/docs/reference/gtk/gtk3-sections.txt
index 7992f8f..e1a8a84 100644
--- a/docs/reference/gtk/gtk3-sections.txt
+++ b/docs/reference/gtk/gtk3-sections.txt
@@ -5530,6 +5530,7 @@ GTK_STYLE_CLASS_BACKGROUND
 GTK_STYLE_CLASS_BUTTON
 GTK_STYLE_CLASS_CALENDAR
 GTK_STYLE_CLASS_CELL
+GTK_STYLE_CLASS_COMBOBOX_ENTRY
 GTK_STYLE_CLASS_CHECK
 GTK_STYLE_CLASS_DEFAULT
 GTK_STYLE_CLASS_ENTRY
diff --git a/gtk/gtkcombobox.c b/gtk/gtkcombobox.c
index 38b064b..6986db2 100644
--- a/gtk/gtkcombobox.c
+++ b/gtk/gtkcombobox.c
@@ -4591,11 +4591,15 @@ gtk_combo_box_constructor (GType                  type,
   if (priv->has_entry)
     {
       GtkWidget *entry;
+      GtkStyleContext *context;
 
       entry = gtk_entry_new ();
       gtk_widget_show (entry);
       gtk_container_add (GTK_CONTAINER (combo_box), entry);
 
+      context = gtk_widget_get_style_context (GTK_WIDGET (combo_box));
+      gtk_style_context_add_class (context, GTK_STYLE_CLASS_COMBOBOX_ENTRY);
+
       priv->text_renderer = gtk_cell_renderer_text_new ();
       gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (combo_box),
                                   priv->text_renderer, TRUE);
diff --git a/gtk/gtkstylecontext.c b/gtk/gtkstylecontext.c
index 549fbaf..d2a238c 100644
--- a/gtk/gtkstylecontext.c
+++ b/gtk/gtkstylecontext.c
@@ -181,6 +181,7 @@
  * #GTK_STYLE_CLASS_CELL,
  * #GTK_STYLE_CLASS_ENTRY,
  * #GTK_STYLE_CLASS_BUTTON,
+ * #GTK_STYLE_CLASS_COMBOBOX_ENTRY,
  * #GTK_STYLE_CLASS_CALENDAR,
  * #GTK_STYLE_CLASS_SLIDER,
  * #GTK_STYLE_CLASS_BACKGROUND,
diff --git a/gtk/gtkstylecontext.h b/gtk/gtkstylecontext.h
index dd13395..3e32c68 100644
--- a/gtk/gtkstylecontext.h
+++ b/gtk/gtkstylecontext.h
@@ -171,6 +171,15 @@ struct _GtkStyleContextClass
 #define GTK_STYLE_CLASS_ENTRY "entry"
 
 /**
+ * GTK_STYLE_CLASS_COMBOBOX_ENTRY:
+ *
+ * A CSS class to match combobox entries.
+ *
+ * This is used by #GtkComboBox.
+ */
+#define GTK_STYLE_CLASS_COMBOBOX_ENTRY "combobox-entry"
+
+/**
  * GTK_STYLE_CLASS_BUTTON:
  *
  * A CSS class to match buttons.