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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc., <http://fsf.org/>
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
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When we speak of free software, we are referring to freedom, not
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GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
a notice placed by the copyright holder saying it may be distributed
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This section is intended to make thoroughly clear what is believed to
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certain countries either by patents or by copyrighted interfaces, the
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NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
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PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
{description}
Copyright (C) {year} {fullname}
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
{signature of Ty Coon}, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.

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Awesome-Freedesktop
===================
-------------------------------------------------------------------
Freedesktop.org menu and desktop icons support for Awesome WM 4.x
-------------------------------------------------------------------
:First author: Antonio Terceiro
:Maintainer: Luca CPZ
:Version: git
:License: GNU-GPL2_
:Source: https://github.com/lcpz/awesome-freedesktop
Description
-----------
A port of awesome-freedesktop_ to Awesome_ 4.x.
See branches_ for previous versions.
Since the introduction of Menubar_ as a core library to provide Freedesktop.org
functionalities in Awesome, we can now avoid the dirty work by simply exploiting
``menubar.utils``.
At the moment, the menu is complete, while the desktop icons are rather simple. Our goal
is to add the following features:
- A better way to handle desktop icons path.
- Ability to drag and line up icons.
- Event-based signals, in particular:
- Updating trash icon according to its status.
- Dynamic update (no need to restart Awesome to see changes on the desktop).
Screenshot
----------
.. image:: screenshot.png
:align: center
:alt: Showcase of Freedesktop.org support in Awesome, using Adwaita icons
Installation and usage
----------------------
Read the wiki_.
.. _GNU-GPL2: http://www.gnu.org/licenses/gpl-2.0.html
.. _awesome-freedesktop: https://github.com/terceiro/awesome-freedesktop
.. _Awesome: https://github.com/awesomeWM/awesome
.. _branches: https://github.com/lcpz/awesome-freedesktop/branches
.. _Menubar: https://github.com/awesomeWM/awesome/tree/master/lib/menubar
.. _wiki: https://github.com/lcpz/awesome-freedesktop/wiki

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package = "awesome-freedesktop"
version = "scm-1"
source = {
url = "git+https://github.com/lcpz/awesome-freedesktop.git",
tag = "master",
}
description = {
summary = "Freedesktop.org menu and desktop icons support for Awesome WM",
homepage = "https://github.com/lcpz/awesome-freedesktop",
license = "GPL-2.0"
}
dependencies = {
"lua >= 5.3",
}
supported_platforms = { "linux" }
build = {
type = "builtin",
modules = { freedesktop = "init.lua" }
}

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--[[
Awesome-Freedesktop
Freedesktop.org compliant desktop entries and menu
Desktop section
Licensed under GNU General Public License v2
* (c) 2016, Luke Bonham
* (c) 2009-2015, Antonio Terceiro
--]]
local awful = require('awful')
local theme = require('beautiful')
local utils = require('menubar.utils')
local wibox = require('wibox')
local io = io
local ipairs = ipairs
local mouse = mouse
local os = os
local string = string
local screen = screen
local table = table
-- Desktop icons
-- freedesktop.desktop
local desktop = {
-- Default desktop basic icons
baseicons = {
[1] = {
label = 'This PC',
icon = 'computer',
onclick = 'computer://',
},
[2] = {
label = 'Home',
icon = 'user-home',
onclick = os.getenv('HOME'),
},
[3] = {
label = 'Trash',
icon = 'user-trash',
onclick = 'trash://',
},
},
-- Default parameters
iconsize = { width = 48, height = 48 },
labelsize = { width = 140, height = 20 },
margin = { x = 20, y = 20 },
}
-- MIME types list
local mime_types = {}
-- Icons positioning
desktop.current_pos = {}
-- @return iterator on input pipe
local function pipelines(...)
local f = assert(io.popen(...))
return function()
local data = f:read()
if data == nil then
f:close()
end
return data
end
end
-- Adds an icon to desktop
-- @param args settings from desktop.add_icons
-- @param label icon string label
-- @param icon icon string file path
-- @param onclick function to execute on click
function desktop.add_single_icon(args, label, icon, onclick)
local s = args.screen
local dcp = desktop.current_pos
-- define icon dimensions and position
if not dcp[s] then
dcp[s] = {
x = (screen[s].geometry.x + args.iconsize.width + args.margin.x),
y = screen[s].geometry.y + 20 + args.margin.y,
}
end
local tot_height = (icon and args.iconsize.height or 0) + (label and args.labelsize.height or 0)
if tot_height == 0 then
return
end
if dcp[s].y + tot_height > screen[s].geometry.y + screen[s].geometry.height - 20 - args.margin.y then
dcp[s].x = dcp[s].x + args.labelsize.width + args.iconsize.width + args.margin.x
dcp[s].y = 20 + args.margin.y
end
local common = { screen = s, bg = '#00000000', visible = true, type = 'desktop' }
-- create icon container
if icon then
common.width = args.iconsize.width
common.height = args.iconsize.height
common.x = dcp[s].x
common.y = dcp[s].y
icon = wibox.widget({
image = icon,
resize = false,
widget = wibox.widget.imagebox,
})
icon:buttons(awful.button({}, 1, nil, onclick))
icon_container = wibox(common)
icon_container:set_widget(icon)
dcp[s].y = dcp[s].y + args.iconsize.height + 5
end
-- create label container
if label then
common.width = args.labelsize.width
common.height = args.labelsize.height
common.x = dcp[s].x - (args.labelsize.width / 2) + args.iconsize.width / 2
common.y = dcp[s].y
caption = wibox.widget({
text = label,
align = 'center',
forced_width = common.width,
forced_height = common.height,
ellipsize = 'middle',
widget = wibox.widget.textbox,
})
caption:buttons(awful.button({}, 1, onclick))
caption_container = wibox(common)
caption_container:set_widget(caption)
end
dcp[s].y = dcp[s].y + args.labelsize.height + args.margin.y
desktop.current_pos = dcp
return dcp
end
-- Adds base icons (This PC, Trash, etc) to desktop
-- @param args settings from desktop.add_icons
function desktop.add_base_icons(args)
for _, base in ipairs(args.baseicons) do
desktop.add_single_icon(args, base.label, utils.lookup_icon(base.icon), function()
awful.spawn(string.format("%s '%s'", args.open_with, base.onclick))
end)
end
end
-- Looks up a suitable icon for filename
-- @param filename string file name
-- @return icon file path (string)
function desktop.lookup_file_icon(filename)
-- load system MIME types
if #mime_types == 0 then
for line in io.lines('/etc/mime.types') do
if not line:find('^#') then
local parsed = {}
for w in line:gmatch('[^%s]+') do
table.insert(parsed, w)
end
if #parsed > 1 then
for i = 2, #parsed do
mime_types[parsed[i]] = parsed[1]:gsub('/', '-')
end
end
end
end
end
-- try to search a possible icon among standards
local extension = filename:match('%a+$')
local mime = mime_types[extension] or ''
local mime_family = mime:match('^%a+') or ''
local possible_filenames = {
mime,
'gnome-mime-' .. mime,
mime_family,
'gnome-mime-' .. mime_family,
extension,
}
for i, filename in ipairs(possible_filenames) do
local icon = utils.lookup_icon(filename)
if icon then
return icon
end
end
-- if we don"t find ad icon, then pretend is a plain text file
return utils.lookup_icon('text-x-generic')
end
-- Parse subdirectories and files list from input directory
-- @input dir directory to parse (string)
-- @return files table with found entries
function desktop.parse_dirs_and_files(dir)
local files = {}
local paths = pipelines('find ' .. dir .. ' -maxdepth 1 -type d |sort|tail -n +1')
for path in paths do
if path:match('[^/]+$') then
local file = {}
file.filename = path:match('[^/]+$')
file.path = path
file.show = true
file.icon = utils.lookup_icon('folder')
table.insert(files, file)
end
end
local paths = pipelines('find ' .. dir .. ' -maxdepth 1 -type f')
for path in paths do
if not path:find('%.desktop$') then
local file = {}
file.filename = path:match('[^/]+$')
file.path = path
file.show = true
file.icon = desktop.lookup_file_icon(file.filename)
table.insert(files, file)
end
end
return files
end
-- Adds subdirectories and files icons from args.dir
-- @param args settings from desktop.add_icons
function desktop.add_dirs_and_files_icons(args)
for _, file in ipairs(desktop.parse_dirs_and_files(args.dir)) do
if file.show then
local label = args.showlabels and file.filename or nil
local onclick = function()
awful.spawn(string.format("%s '%s'", args.open_with, file.path))
end
desktop.add_single_icon(args, label, file.icon, onclick)
end
end
end
-- Main function, adds base, directory and files icons
-- @param args user defined settings, with fallback on defaults
function desktop.add_icons(args)
args = args or {}
args.screen = args.screen or mouse.screen
args.dir = args.dir or os.getenv('HOME') .. '/Desktop'
args.showlabels = args.showlabel or true
args.open_with = args.open_with or 'xdg_open'
args.baseicons = args.baseicons or desktop.baseicons
args.iconsize = args.iconsize or desktop.iconsize
args.labelsize = args.labelsize or desktop.labelsize
args.margin = args.margin or desktop.margin
-- trying to fallback on Adwaita if theme.icon_theme is not defined
-- if Adwaita is missing too, no icons will be shown
if not theme.icon_theme then
theme.icon_theme = args.icon_theme or 'Adwaita'
end
desktop.add_base_icons(args)
desktop.add_dirs_and_files_icons(args)
end
return desktop

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--[[
Awesome-Freedesktop
Freedesktop.org compliant desktop entries and menu
Licensed under GNU General Public License v2
* (c) 2016, Luke Bonham
* (c) 2009-2015, Antonio Terceiro
--]]
return {
desktop = require('freedesktop.desktop'),
menu = require('freedesktop.menu'),
}

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--[[
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

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