feat(menus): new provider for vim menus (':help menus')

README.md

@@ -220,8 +220,9 @@ vim.api.nvim_set_keymap('n', '<c-P>',
 | `registers`        | :registers                                 |
 | `tagstack`         | :tags                                      |
 | `keymaps`          | key mappings                               |
+| `filetypes`        | filetypes                                  |
+| `menus`            | menus                                      |
 | `spell_suggest`    | spelling suggestions                       |
-| `filetypes`        | neovim filetypes                           |
 | `packadd`          | :packadd <package>                         |
 
 ### Neovim API

doc/fzf-lua.txt

@@ -256,8 +256,9 @@ MISC                                                            *fzf-lua-misc*
 | `registers`        | :registers                                 |
 | `tagstack`         | :tags                                      |
 | `keymaps`          | key mappings                               |
+| `filetypes`        | filetypes                                  |
+| `menus`            | menus                                      |
 | `spell_suggest`    | spelling suggestions                       |
-| `filetypes`        | neovim filetypes                           |
 | `packadd`          | :packadd <package>                         |
 
 

lua/fzf-lua/actions.lua

@@ -343,6 +343,12 @@ M.ex_run_cr = function(selected)
   vim.fn.histadd("cmd", cmd)
 end
 
+M.exec_menu = function(selected)
+  local cmd = selected[1]
+  vim.cmd("emenu " .. cmd)
+end
+
+
 M.search = function(selected)
   local query = selected[1]
   vim.cmd("stopinsert")

lua/fzf-lua/config.lua

@@ -581,6 +581,12 @@ M.globals.nvim = {
         ["default"]       = actions.packadd,
       },
     },
+    menus = {
+      prompt              = 'Menu> ',
+      actions = {
+        ["default"]       = actions.exec_menu,
+      },
+    },
   }
 
 M.globals.dap = {
@@ -898,6 +904,7 @@ M._action_to_helpstr = {
   [actions.run_builtin]           = "run-builtin",
   [actions.ex_run]                = "edit-cmd",
   [actions.ex_run_cr]             = "exec-cmd",
+  [actions.exec_menu]             = "exec-menu",
   [actions.search]                = "edit-search",
   [actions.search_cr]             = "exec-search",
   [actions.goto_mark]             = "goto-mark",

lua/fzf-lua/init.lua

@@ -120,6 +120,7 @@ M.jumps = require'fzf-lua.providers.nvim'.jumps
 M.changes = require'fzf-lua.providers.nvim'.changes
 M.tagstack = require'fzf-lua.providers.nvim'.tagstack
 M.marks = require'fzf-lua.providers.nvim'.marks
+M.menus = require'fzf-lua.providers.nvim'.menus
 M.keymaps = require'fzf-lua.providers.nvim'.keymaps
 M.registers = require'fzf-lua.providers.nvim'.registers
 M.commands = require'fzf-lua.providers.nvim'.commands

lua/fzf-lua/providers/nvim.lua

@@ -407,4 +407,46 @@ M.packadd = function(opts)
 
 end
 
+M.menus = function(opts)
+
+  opts = config.normalize_opts(opts, config.globals.nvim.menus)
+  if not opts then return end
+
+  -- @param prefix will be prepended to the entry name
+  local function gen_menu_entries(prefix, entry)
+    local name = prefix and ("%s.%s"):format(prefix, entry.name) or entry.name
+    if entry.submenus then
+      -- entry.submenus is a list of {}
+      return vim.tbl_map(
+        function(x)
+          return gen_menu_entries(name, x)
+        end, entry.submenus)
+    else
+      -- if we reached a leaf
+      return name
+    end
+  end
+
+  local entries = vim.tbl_flatten(vim.tbl_map(
+    function (x)
+      return gen_menu_entries(nil, x)
+    end, vim.fn.menu_get('')))
+
+  if vim.tbl_isempty(entries) then
+    utils.info("No menus available")
+    return
+  end
+
+  opts.fzf_opts['--no-multi'] = ''
+  opts.fzf_opts['--preview-window'] = 'hidden:right:0'
+
+  core.fzf_wrap(opts, entries, function(selected)
+
+    if not selected then return end
+    actions.act(opts.actions, selected)
+
+  end)()
+
+end
+
 return M