Add support for selecting candidates via mouseclick.

src/IBusChewingEngine-keys.c

Index: src/IBusChewingEngine-keys.c
diff --git a/src/IBusChewingEngine-keys.c b/src/IBusChewingEngine-keys.c
index 98d4e1bbbbc3d891d156e764f459cdac2f3df721..2598d4e0d9af3119e221b734ad39a28ce836bb14 100644
--- a/src/IBusChewingEngine-keys.c
+++ b/src/IBusChewingEngine-keys.c
@@ -198,3 +198,10 @@ gboolean ibus_chewing_engine_process_key_event(IBusEngine *engine,
     }
     return self_update(self);
 }
+
+void ibus_chewing_engine_candidate_clicked(IBusEngine *engine, guint index,
+	guint button, guint state) {
+    G_DEBUG_MSG(3,"[I3] cadidate_clicked(-, %u, %u, %u) ... proceed.", index, button, state);
+    IBusChewingEngine *self=IBUS_CHEWING_ENGINE(engine);
+    self_handle_candidate_clicked(self, index, button, state);
+}