GtkApplication: lock gdk on incoming messages

When we have incoming activations or action invocations we should
acquire the GDK lock, just in case the program in question is using gdk
threads.

https://bugzilla.gnome.org/show_bug.cgi?id=665737

diff --git a/gtk/gtkapplication.c b/gtk/gtkapplication.c
index 1b5f2a665c645e03058153cdc4c2a632cf42825c..307ee6f84bde58bf2beba8d3c2a34996128d7fbf 100644 (file)
--- a/gtk/gtkapplication.c
+++ b/gtk/gtkapplication.c
@@ -322,6 +322,8 @@ gtk_application_before_emit (GApplication *application,
   const gchar *key;
   GVariant *value;
 
+  gdk_threads_enter ();
+
   g_variant_iter_init (&iter, platform_data);
   while (g_variant_iter_loop (&iter, "{&sv}", &key, &value))
     {
@@ -345,6 +347,8 @@ gtk_application_after_emit (GApplication *application,
                             GVariant     *platform_data)
 {
   gdk_notify_startup_complete ();
+
+  gdk_threads_leave ();
 }
 
 static void