[nautilus] preferences: make the preferences dialog modal

[Carlos Soriano Sánchez <csoriano src gnome org>]

commit c98de162aa9f0a3ca2a5ce24ff2f0acbb4c47603
Author: Carlos Soriano <csoriano gnome org>
Date:   Wed Feb 25 16:35:06 2015 +0100

    preferences: make the preferences dialog modal
    
    A dialog without a transient parent is discouraged. And
    also we usually use modal for preferences dialogs, so
    do the same for nautilus as well.

 src/nautilus-file-management-properties.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/nautilus-file-management-properties.c b/src/nautilus-file-management-properties.c
index a30aaae..80ac0d9 100644
--- a/src/nautilus-file-management-properties.c
+++ b/src/nautilus-file-management-properties.c
@@ -678,6 +678,9 @@ nautilus_file_management_properties_dialog_setup (GtkBuilder *builder, GtkWindow
 
        preferences_dialog = dialog;
        g_object_add_weak_pointer (G_OBJECT (dialog), (gpointer *) &preferences_dialog);
+       gtk_window_set_transient_for (GTK_WINDOW (dialog), window);
+       gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
+
        gtk_widget_show (dialog);
 }