dotfiles/awesome/freedesktop/menu.lua
2023-01-20 16:22:46 +01:00

122 lines
3.4 KiB
Lua

--[[
Awesome-Freedesktop
Freedesktop.org compliant desktop entries and menu
Menu section
Licensed under GNU General Public License v2
* (c) 2016, Luke Bonham
* (c) 2014, Harvey Mittens
--]]
local Gio = require("lgi").Gio
local awful_menu = require("awful.menu")
local menu_gen = require("menubar.menu_gen")
local menu_utils = require("menubar.utils")
local io, pairs, string, table, os = io, pairs, string, table, os
-- Expecting a wm_name of awesome omits too many applications and tools
menu_utils.wm_name = ""
-- Menu
-- freedesktop.menu
local menu = {}
-- Check if a path is a directory.
-- @tparam string path The directory path
-- @treturn boolean True if path exists and is a directory
function menu.is_dir(path)
return Gio.File.new_for_path(path):query_file_type({}) == "DIRECTORY"
end
-- Remove non existent paths in order to avoid issues
local existent_paths = {}
for k,v in pairs(menu_gen.all_menu_dirs) do
if menu.is_dir(v) then
table.insert(existent_paths, v)
end
end
menu_gen.all_menu_dirs = existent_paths
-- Determines whether an table includes a certain element
-- @param tab a given table
-- @param val the element to search for
-- @return true if the given string is found within the search table; otherwise, false if not
function menu.has_value (tab, val)
for index, value in pairs(tab) do
if val:find(value) then
return true
end
end
return false
end
-- Use MenuBar parsing utils to build a menu for Awesome
-- @return awful.menu
function menu.build(args)
local args = args or {}
local before = args.before or {}
local after = args.after or {}
local skip_items = args.skip_items or {}
local sub_menu = args.sub_menu or false
local result = {}
local _menu = awful_menu({ items = before })
menu_gen.generate(function(entries)
-- Add category icons
for k, v in pairs(menu_gen.all_categories) do
table.insert(result, { k, {}, v.icon })
end
-- Get items table
for k, v in pairs(entries) do
for _, cat in pairs(result) do
if cat[1] == v.category then
if not menu.has_value(skip_items, v.name) then
table.insert(cat[2], { v.name, v.cmdline, v.icon })
end
break
end
end
end
-- Cleanup things a bit
for i = #result, 1, -1 do
local v = result[i]
if #v[2] == 0 then
-- Remove unused categories
table.remove(result, i)
else
--Sort entries alphabetically (by name)
table.sort(v[2], function (a, b) return string.byte(a[1]) < string.byte(b[1]) end)
-- Replace category name with nice name
v[1] = menu_gen.all_categories[v[1]].name
end
end
-- Sort categories alphabetically also
table.sort(result, function(a, b) return string.byte(a[1]) < string.byte(b[1]) end)
-- Add menu item to hold the generated menu
if sub_menu then
result = {{sub_menu, result}}
end
-- Add items to menu
for _, v in pairs(result) do _menu:add(v) end
for _, v in pairs(after) do _menu:add(v) end
end)
-- Hold the menu in the module
menu.menu = _menu
return _menu
end
return menu