Don't show menu titles with the text property 'hide' (bug#50067)

* lisp/mouse.el (context-menu-map): Add menu title "Context Menu"
propertized with the text property 'hide'.

* src/menu.c (x_popup_menu_1): Don't show the title with the non-nil
text property 'hide' on GTK and NS.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/menu.c b/src/menu.c
index e441d22ea04..4edd4ce33f9 100644
--- a/src/menu.c
+++ b/src/menu.c
@@ -1284,6 +1284,14 @@ x_popup_menu_1 (Lisp_Object position, Lisp_Object menu)
       /* Search for a string appearing directly as an element of the keymap.
          That string is the title of the menu.  */
       prompt = Fkeymap_prompt (keymap);
+
+#if defined (USE_GTK) || defined (HAVE_NS)
+      if (STRINGP (prompt)
+          && SCHARS (prompt) > 0
+          && !NILP (Fget_text_property (make_fixnum (0), Qhide, prompt)))
+        title = Qnil;
+      else
+#endif
       if (!NILP (prompt))
         title = prompt;