[gtk+] Handle G_IO_ERROR_FILENAME_TOO_LONG errors when saving

[Matthias Clasen <matthiasc src gnome org>]

commit b940122c4a9a45227bebcadecfc8aa88db83f09f
Author: Timothy Arceri <t_arceri yahoo com au>
Date:   Thu May 23 18:09:58 2013 +1000

    Handle G_IO_ERROR_FILENAME_TOO_LONG errors when saving
    
    https://bugzilla.gnome.org/show_bug.cgi?id=591969

 gtk/gtkfilechooserdefault.c |   13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkfilechooserdefault.c b/gtk/gtkfilechooserdefault.c
index 8d9b115..ee0854f 100644
--- a/gtk/gtkfilechooserdefault.c
+++ b/gtk/gtkfilechooserdefault.c
@@ -760,6 +760,14 @@ error_with_file_under_nonfolder (GtkFileChooserDefault *impl,
                parent_file, error);
 }
 
+static void
+error_filename_to_long_dialog (GtkFileChooserDefault *impl)
+{
+  error_message (impl,
+                 _("Cannot create file as the filename is to long"),
+                 _("Try using a shorter name."));
+}
+
 /* Shows an error about not being able to select a folder because a file with
  * the same name is already there.
  */
@@ -5782,7 +5790,10 @@ file_exists_get_info_cb (GCancellable *cancellable,
       if (is_folder)
        change_folder_and_display_error (impl, data->file, TRUE);
       else
-       needs_parent_check = TRUE;
+        if (!file_exists && g_error_matches (error, G_IO_ERROR, G_IO_ERROR_FILENAME_TOO_LONG))
+          error_filename_to_long_dialog (data->impl);
+        else
+          needs_parent_check = TRUE;
     }
   else
     {