Files
crylia-theme/awesome/src/tools/gio_icon_lookup.lua
2022-08-25 01:55:28 +02:00

85 lines
2.3 KiB
Lua

-- Libraries
local lgi = require("lgi")
local Gtk = lgi.require("Gtk", "3.0")
local Gio = lgi.Gio
local gears = require("gears")
local GLib = require("lgi").GLib
-- Get all .desktop files as gobjects
local app_info = Gio.AppInfo
local app_list = app_info.get_all()
-- Init a new Gtk theme from the users string
local gtk_theme = Gtk.IconTheme.new()
Gtk.IconTheme.set_custom_theme(gtk_theme, User_config.icon_theme)
---Gets the icon path from an AppInfo gicon.
---@param app Gio.AppInfo
---@return string path
function Get_gicon_path(app)
if not app then return "" end
local icon_info = gtk_theme:lookup_by_gicon(app, 64, 0)
if icon_info then
local path = icon_info:get_filename()
if path then
return path
end
end
return ""
end
---Takes a class and name string and tries to match it to an icon.
---@param class string
---@param name string
---@return string | nil icon_path
function Get_icon(class, name)
class = string.lower(class or "")
name = string.lower(name or "")
for _, app in ipairs(app_list) do
local desktop_app_info = Gio.DesktopAppInfo.new(app_info.get_id(app))
local icon_string = Gio.DesktopAppInfo.get_string(desktop_app_info, "Name")
if icon_string then
icon_string = string.lower(icon_string)
if icon_string:match(class) or class:match(icon_string) then
return Get_gicon_path(app_info.get_icon(app))
elseif (icon_string == name) or icon_string:match(name) or name:match(icon_string) then
return Get_gicon_path(app_info.get_icon(app))
end
end
end
return nil
end
---Will return every $XDG_DATA_DIRS
---@return table
local function get_paths()
local dirs = {}
local dir
for _, value in ipairs(GLib.get_system_data_dirs()) do
dir = GLib.build_filenamev({ value, "applications" })
if gears.filesystem.dir_readable(dir) then table.insert(dirs, dir) end
end
dir = GLib.build_filenamev({ GLib.get_user_data_dir(), "applications" })
if gears.filesystem.dir_readable(dir) then table.insert(dirs, dir) end
return dirs
end
---Returns every .desktop file into a table
---@param file string .desktop files
---@return string | nil path
function Get_desktop_values(file)
if not file or file == "" then
return
end
for _, dir in ipairs(get_paths()) do
if gears.filesystem.file_readable(dir .. "/" .. file, "r") then
return dir .. "/" .. file
end
end
end