immmodule: Warn if GTK_IM_MODULE is bad

If we don't find an immodule matching the
ids in the GTK_IM_MODULE envvar, print a
warning.

diff --git a/gtk/gtkimmodule.c b/gtk/gtkimmodule.c
index 6ef4a3a179a8d4fdfcd72a286d3a80dabc0e13ef..00f199dbf8e4d29c6c06a7f2814418ffbb0cd8ae 100644 (file)
--- a/gtk/gtkimmodule.c
+++ b/gtk/gtkimmodule.c
@@ -199,6 +199,16 @@ _gtk_im_module_get_default_context_id (GdkDisplay *display)
 
       if (context_id)
         return context_id;
+      else
+        {
+          static gboolean warned;
+
+          if (!warned)
+            {
+              g_warning ("No IM module matching GTK_IM_MODULE=%s found", envvar);
+              warned = TRUE;
+            }
+        }
     }
 
   /* Check if the certain immodule is set in XSETTINGS. */