code: func (v *TextView) ImContextFilterKeypress(event *gdk.EventKey) bool {
  	return gobool(C.gtk_text_view_im_context_filter_keypress(v.native(), (*C.GdkEventKey)(unsafe.Pointer(event.Native()))))
  }
docs: // ImContextFilterKeypress is a wrapper around gtk_text_view_im_context_filter_keypress().