[gimp] libgimpwidgets: don't try to open non-regular files as ICC profiles

[Michael Natterer <mitch src gnome org>]

commit 4c55f45552fda5530d41feb9d9900400c2439425
Author: Michael Natterer <mitch gimp org>
Date:   Tue May 19 13:12:34 2015 +0200

    libgimpwidgets: don't try to open non-regular files as ICC profiles
    
    Instead, show proper messages in the profile chooser's preview pane.

 libgimpwidgets/gimpcolorprofilechooserdialog.c |   37 ++++++++++++++++-------
 1 files changed, 26 insertions(+), 11 deletions(-)
---
diff --git a/libgimpwidgets/gimpcolorprofilechooserdialog.c b/libgimpwidgets/gimpcolorprofilechooserdialog.c
index 9057e90..dd72f37 100644
--- a/libgimpwidgets/gimpcolorprofilechooserdialog.c
+++ b/libgimpwidgets/gimpcolorprofilechooserdialog.c
@@ -195,19 +195,34 @@ gimp_color_profile_chooser_dialog_update_preview (GimpColorProfileChooserDialog
       return;
     }
 
-  profile = gimp_lcms_profile_open_from_file (file, &error);
-
-  if (! profile)
+  switch (g_file_query_file_type (file, G_FILE_QUERY_INFO_NONE, NULL))
     {
+    case G_FILE_TYPE_REGULAR:
+      profile = gimp_lcms_profile_open_from_file (file, &error);
+
+      if (! profile)
+        {
+          gimp_color_profile_view_set_error (dialog->priv->profile_view,
+                                             error->message);
+          g_clear_error (&error);
+        }
+      else
+        {
+          gimp_color_profile_view_set_profile (dialog->priv->profile_view,
+                                               profile);
+          gimp_lcms_profile_close (profile);
+        }
+      break;
+
+    case G_FILE_TYPE_DIRECTORY:
       gimp_color_profile_view_set_error (dialog->priv->profile_view,
-                                         error->message);
-      g_clear_error (&error);
-    }
-  else
-    {
-      gimp_color_profile_view_set_profile (dialog->priv->profile_view,
-                                           profile);
-      gimp_lcms_profile_close (profile);
+                                         _("Folder"));
+      break;
+
+    default:
+      gimp_color_profile_view_set_error (dialog->priv->profile_view,
+                                         _("Not a regular file."));
+      break;
     }
 
   g_object_unref (file);