[gimp] app: Add and use gimp_dock_get_n_dockables()

[Martin Nordholts <martinn src gnome org>]

commit dc3521e074b409748e0067b338ad3b853b983622
Author: Martin Nordholts <martinn src gnome org>
Date:   Sun Sep 13 11:51:39 2009 +0200

    app: Add and use gimp_dock_get_n_dockables()

 app/widgets/gimpdock.c |   21 +++++++++++++++------
 app/widgets/gimpdock.h |    1 +
 2 files changed, 16 insertions(+), 6 deletions(-)
---
diff --git a/app/widgets/gimpdock.c b/app/widgets/gimpdock.c
index 3b95d0b..7e33ea4 100644
--- a/app/widgets/gimpdock.c
+++ b/app/widgets/gimpdock.c
@@ -246,13 +246,8 @@ gimp_dock_delete_event (GtkWidget   *widget,
                         GdkEventAny *event)
 {
   GimpDock *dock = GIMP_DOCK (widget);
-  GList    *list;
-  gint      n;
 
-  for (list = dock->p->dockbooks, n = 0; list; list = list->next)
-    n += gtk_notebook_get_n_pages (GTK_NOTEBOOK (list->data));
-
-  if (n > 1)
+  if (gimp_dock_get_n_dockables (dock) > 1)
     {
       GimpSessionInfo *info = gimp_session_info_new ();
 
@@ -343,6 +338,20 @@ gimp_dock_get_dockbooks (GimpDock *dock)
   return dock->p->dockbooks;
 }
 
+gint
+gimp_dock_get_n_dockables (GimpDock *dock)
+{
+  GList *list = NULL;
+  gint   n    = 0;
+
+  g_return_val_if_fail (GIMP_IS_DOCK (dock), 0);
+
+  for (list = dock->p->dockbooks; list; list = list->next)
+    n += gtk_notebook_get_n_pages (GTK_NOTEBOOK (list->data));
+
+  return n;
+}
+
 GtkWidget *
 gimp_dock_get_main_vbox (GimpDock *dock)
 {
diff --git a/app/widgets/gimpdock.h b/app/widgets/gimpdock.h
index cb57876..f0365db 100644
--- a/app/widgets/gimpdock.h
+++ b/app/widgets/gimpdock.h
@@ -75,6 +75,7 @@ GList             * gimp_dock_get_aux_info       (GimpDock       *dock);
 GimpContext       * gimp_dock_get_context        (GimpDock       *dock);
 GimpDialogFactory * gimp_dock_get_dialog_factory (GimpDock       *dock);
 GList             * gimp_dock_get_dockbooks      (GimpDock       *dock);
+gint                gimp_dock_get_n_dockables    (GimpDock       *dock);
 GtkWidget         * gimp_dock_get_main_vbox      (GimpDock       *dock);
 GtkWidget         * gimp_dock_get_vbox           (GimpDock       *dock);
 gint                gimp_dock_get_id             (GimpDock       *dock);