[gimp/gtk3-port: 212/224] app: let the file dialog expand/collapse with the file type expander

[Michael Natterer <mitch src gnome org>]

commit 31d4888986653321aa8cbace6304eb0c16fdbaec
Author: Michael Natterer <mitch gimp org>
Date:   Mon Mar 21 21:12:48 2011 +0100

    app: let the file dialog expand/collapse with the file type expander
    
    Using the new gtk_expander_set_resize_toplevel().

 app/widgets/gimpfiledialog.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/app/widgets/gimpfiledialog.c b/app/widgets/gimpfiledialog.c
index 914b5cd..c944a0d 100644
--- a/app/widgets/gimpfiledialog.c
+++ b/app/widgets/gimpfiledialog.c
@@ -915,6 +915,9 @@ gimp_file_dialog_add_proc_selection (GimpFileDialog *dialog,
   GtkWidget *scrolled_window;
 
   dialog->proc_expander = gtk_expander_new_with_mnemonic (NULL);
+#if GTK_CHECK_VERSION (3, 1, 0)
+  gtk_expander_set_resize_toplevel (GTK_EXPANDER (dialog->proc_expander), TRUE);
+#endif
   gtk_file_chooser_set_extra_widget (GTK_FILE_CHOOSER (dialog),
                                      dialog->proc_expander);
   gtk_widget_show (dialog->proc_expander);