patch 8.1.1441: popup window filter not yet implemented commit https://github.com/vim/vim/commit/bf0eff0b724ebf4951f7ca82e6c648451f9f0c01 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jun 1 17:13:36 2019 +0200 patch 8.1.1441: popup window filter not yet implemented Problem: Popup window filter not yet implemented. Solution: Implement the popup filter.

--- a/src/getchar.c
+++ b/src/getchar.c
@@ -1801,6 +1801,10 @@ vgetc(void)
 	ui_remove_balloon();
     }
 #endif
+#ifdef FEAT_TEXT_PROP
+    if (popup_do_filter(c))
+	c = K_IGNORE;
+#endif
 
     return c;
 }