modules: Check current context before retrieving surrounding

There may be situations where this might get called while the
currently focused context just went away (eg. after setting the
text widget unsensitive).

Closes: #1317

diff --git a/gtk/gtkimcontextwayland.c b/gtk/gtkimcontextwayland.c
index d3286bf7a5c0568033b39038df7022661bcf8dba..2e5e81f2f39521ee238687d96fb3f567e856f2f3 100644 (file)
--- a/gtk/gtkimcontextwayland.c
+++ b/gtk/gtkimcontextwayland.c
@@ -105,6 +105,9 @@ notify_external_change (GtkIMContextWayland *context)
 {
   gboolean result;
 
+  if (!global->current)
+    return;
+
   context->surrounding_change = ZWP_TEXT_INPUT_V3_CHANGE_CAUSE_OTHER;
   g_signal_emit_by_name (global->current, "retrieve-surrounding", &result);
 }