[gtk+/gtk-2-22] GtkWindow: Add gtk_window_has_group()

[Javier Jardón <jjardon src gnome org>]

commit 4acc2716cb7e900245a54392db44927ed84a7eee
Author: Carlos Garcia Campos <carlosgc gnome org>
Date:   Wed May 26 17:01:01 2010 +0200

    GtkWindow: Add gtk_window_has_group()
    
    To check whether the window has an explicit group
    
    Fixes https://bugzilla.gnome.org/show_bug.cgi?id=618271

 gtk/gtk.symbols |    1 +
 gtk/gtkwindow.c |   18 ++++++++++++++++++
 gtk/gtkwindow.h |    1 +
 3 files changed, 20 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtk.symbols b/gtk/gtk.symbols
index a520f79..e3ef990 100644
--- a/gtk/gtk.symbols
+++ b/gtk/gtk.symbols
@@ -5313,6 +5313,7 @@ gtk_window_group_get_type G_GNUC_CONST
 gtk_window_group_new
 gtk_window_group_remove_window
 gtk_window_group_list_windows
+gtk_window_has_group
 gtk_window_has_toplevel_focus
 gtk_window_iconify
 gtk_window_is_active
diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 128e429..152959f 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -7743,6 +7743,24 @@ gtk_window_get_group (GtkWindow *window)
     }
 }
 
+/**
+ * gtk_window_has_group:
+ * @window: a #GtkWindow
+ *
+ * Returns whether @window has an explicit window group.
+ *
+ * Return value: %TRUE if @window has an explicit window group.
+ *
+ * Since 2.22
+ **/
+gboolean
+gtk_window_has_group (GtkWindow *window)
+{
+  g_return_val_if_fail (GTK_IS_WINDOW (window), FALSE);
+
+  return window->group != NULL;
+}
+
 /* Return the current grab widget of the given group 
  */
 GtkWidget *
diff --git a/gtk/gtkwindow.h b/gtk/gtkwindow.h
index 1b4362f..5ddeed5 100644
--- a/gtk/gtkwindow.h
+++ b/gtk/gtkwindow.h
@@ -384,6 +384,7 @@ void     gtk_window_get_position     (GtkWindow   *window,
 gboolean gtk_window_parse_geometry   (GtkWindow   *window,
                                       const gchar *geometry);
 GtkWindowGroup *gtk_window_get_group (GtkWindow   *window);
+gboolean gtk_window_has_group        (GtkWindow   *window);
 
 /* Ignore this unless you are writing a GUI builder */
 void     gtk_window_reshow_with_initial_size (GtkWindow *window);