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Diffstat (limited to 'awesome/.config/awesome/freedesktop/desktop.lua')
| -rw-r--r-- | awesome/.config/awesome/freedesktop/desktop.lua | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/awesome/.config/awesome/freedesktop/desktop.lua b/awesome/.config/awesome/freedesktop/desktop.lua new file mode 100644 index 0000000..676ebdb --- /dev/null +++ b/awesome/.config/awesome/freedesktop/desktop.lua @@ -0,0 +1,259 @@ +--[[ + + 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 |