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133 lines
3.9 KiB
133 lines
3.9 KiB
--[[
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Awesome-Freedesktop
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Freedesktop.org compliant desktop entries and menu
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Menu section
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Licensed under GNU General Public License v2
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* (c) 2016, Luke Bonham
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* (c) 2014, Harvey Mittens
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--]]
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local awful_menu = require("awful.menu")
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local menu_gen = require("menubar.menu_gen")
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local menu_utils = require("menubar.utils")
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local icon_theme = require("menubar.icon_theme")
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local io, pairs, string, table, os = io, pairs, string, table, os
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-- Add support for NixOS systems too
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table.insert(menu_gen.all_menu_dirs, string.format("%s/.nix-profile/share/applications", os.getenv("HOME")))
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-- Expecting a wm_name of awesome omits too many applications and tools
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menu_utils.wm_name = ""
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-- Menu
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-- freedesktop.menu
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local menu = {}
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-- Determines if a path points to a directory, by checking if it can be read
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-- (which is `nil` also for empty files) and if its size is not 0.
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-- @author blueyed
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-- @param path the path to check
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function menu.is_dir(path)
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local f = io.open(path)
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return f and not f:read(0) and f:seek("end") ~= 0 and f:close()
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end
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-- Remove non existent paths in order to avoid issues
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local existent_paths = {}
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for k,v in pairs(menu_gen.all_menu_dirs) do
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if menu.is_dir(v) then
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table.insert(existent_paths, v)
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end
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end
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menu_gen.all_menu_dirs = existent_paths
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-- Determines whether an table includes a certain element
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-- @param tab a given table
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-- @param val the element to search for
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-- @return true if the given string is found within the search table; otherwise, false if not
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function menu.has_value (tab, val)
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for index, value in pairs(tab) do
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if val:find(value) then
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return true
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end
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end
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return false
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end
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-- Use MenuBar parsing utils to build a menu for Awesome
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-- @return awful.menu
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function menu.build(args)
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local args = args or {}
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local icon_size = args.icon_size
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local before = args.before or {}
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local after = args.after or {}
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local skip_items = args.skip_items or {}
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local sub_menu = args.sub_menu or false
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local result = {}
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local _menu = awful_menu({ items = before })
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menu_gen.generate(function(entries)
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-- Add category icons
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for k, v in pairs(menu_gen.all_categories) do
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table.insert(result, { k, {}, v.icon })
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end
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-- Get items table
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for k, v in pairs(entries) do
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for _, cat in pairs(result) do
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if cat[1] == v.category then
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if not menu.has_value(skip_items, v.name) then
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table.insert(cat[2], { v.name, v.cmdline, v.icon })
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end
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break
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end
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end
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end
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-- Cleanup things a bit
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for i = #result, 1, -1 do
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local v = result[i]
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if #v[2] == 0 then
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-- Remove unused categories
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table.remove(result, i)
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else
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--Sort entries alphabetically (by name)
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table.sort(v[2], function (a, b) return string.byte(a[1]) < string.byte(b[1]) end)
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-- Replace category name with nice name
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v[1] = menu_gen.all_categories[v[1]].name
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end
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end
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-- Sort categories alphabetically also
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table.sort(result, function(a, b) return string.byte(a[1]) < string.byte(b[1]) end)
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-- Add menu item to hold the generated menu
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if sub_menu then
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result = {{sub_menu, result}}
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end
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-- Add items to menu
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for _, v in pairs(result) do _menu:add(v) end
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for _, v in pairs(after) do _menu:add(v) end
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end)
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-- Set icon size
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if icon_size then
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for _,v in pairs(menu_gen.all_categories) do
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v.icon = icon_theme():find_icon_path(v.icon_name, icon_size)
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end
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end
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-- Hold the menu in the module
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menu.menu = _menu
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return _menu
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end
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return menu
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