/* Set up data in menu_items for a menu bar item whose event type is ITEM_KEY (with string ITEM_NAME) and whose contents come from the list of keymaps MAPS. */ bool parse_single_submenu (Lisp_Object item_key, Lisp_Object item_name, Lisp_Object maps) { Lisp_Object length; EMACS_INT len; Lisp_Object *mapvec; ptrdiff_t i; bool top_level_items = 0; USE_SAFE_ALLOCA; length = Flength (maps); len = XINT (length); /* Convert the list MAPS into a vector MAPVEC. */ SAFE_ALLOCA_LISP (mapvec, len); for (i = 0; i < len; i++) { mapvec[i] = Fcar (maps); maps = Fcdr (maps); } /* Loop over the given keymaps, making a pane for each map. But don't make a pane that is empty--ignore that map instead. */ for (i = 0; i < len; i++) { if (!KEYMAPP (mapvec[i])) { /* Here we have a command at top level in the menu bar as opposed to a submenu. */ top_level_items = 1; push_menu_pane (Qnil, Qnil); push_menu_item (item_name, Qt, item_key, mapvec[i], Qnil, Qnil, Qnil, Qnil); } else { Lisp_Object prompt; prompt = Fkeymap_prompt (mapvec[i]); single_keymap_panes (mapvec[i], !NILP (prompt) ? prompt : item_name, item_key, 10); } } SAFE_FREE (); return top_level_items; }
/* Set up data in menu_items for a menu bar item whose event type is ITEM_KEY (with string ITEM_NAME) and whose contents come from the list of keymaps MAPS. */ int parse_single_submenu (Lisp_Object item_key, Lisp_Object item_name, Lisp_Object maps) { Lisp_Object length; int len; Lisp_Object *mapvec; int i; int top_level_items = 0; length = Flength (maps); len = XINT (length); /* Convert the list MAPS into a vector MAPVEC. */ mapvec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object)); for (i = 0; i < len; i++) { mapvec[i] = Fcar (maps); maps = Fcdr (maps); } /* Loop over the given keymaps, making a pane for each map. But don't make a pane that is empty--ignore that map instead. */ for (i = 0; i < len; i++) { if (!KEYMAPP (mapvec[i])) { /* Here we have a command at top level in the menu bar as opposed to a submenu. */ top_level_items = 1; push_menu_pane (Qnil, Qnil); push_menu_item (item_name, Qt, item_key, mapvec[i], Qnil, Qnil, Qnil, Qnil); } else { Lisp_Object prompt; prompt = Fkeymap_prompt (mapvec[i]); single_keymap_panes (mapvec[i], !NILP (prompt) ? prompt : item_name, item_key, 10); } } return top_level_items; }