130 lines
3.8 KiB
Lua
130 lines
3.8 KiB
Lua
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-- Translate Widget
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-- @author Pavel Makhov
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-- @copyright 2017 Pavel Makhov
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-------------------------------------------------
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package.path = package.path .. ";../../secrets.lua"
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local secrets = require("secrets")
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local awful = require("awful")
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local capi = {keygrabber = keygrabber }
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local https = require("ssl.https")
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local json = require("json")
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local wibox = require("wibox")
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local API_KEY = secrets.translate_widget_api_key
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local BASE_URL = 'https://translate.yandex.net/api/v1.5/tr.json/translate'
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--- Returns two values - string to translate and direction:
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-- 'dog enfr' -> 'dog', 'en-fr'
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-- @param input_string user's input which consists of
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-- text to translate and direction, 'dog enfr'
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local function extract(input_string)
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local word, lang = input_string:match('^(.+)%s(%a%a%a%a)$')
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if word ~= nill and lang ~= nill then
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lang = lang:sub(1, 2) .. '-' .. lang:sub(3)
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end
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return word, lang
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end
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--- Simple url encoder - replaces spaces with '+' sign
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-- @param url to encode
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local function urlencode(url)
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if (url) then
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url = string.gsub(url, " ", "+")
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end
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return url
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end
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local w = wibox {
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width = 300,
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ontop = true,
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screen = mouse.screen,
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expand = true,
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bg = '#1e252c',
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max_widget_size = 500
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}
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w:setup {
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{
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{
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image = '/usr/share/icons/Papirus-Dark/48x48/apps/gnome-translate.svg',
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widget = wibox.widget.imagebox,
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resize = false
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},
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id = 'img',
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layout = wibox.container.margin(_, 0, 0, 10)
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},
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{
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{
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id = 'header',
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widget = wibox.widget.textbox
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},
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{
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id = 'src',
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widget = wibox.widget.textbox
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},
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{
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id = 'res',
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widget = wibox.widget.textbox
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},
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id = 'text',
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layout = wibox.layout.fixed.vertical,
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},
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id = 'left',
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layout = wibox.layout.fixed.horizontal
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}
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--- Main function - takes the user input and shows the widget with translations
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local function translate(request_string)
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local to_translate, lang = extract(request_string)
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local urll = BASE_URL .. '?lang=' .. lang .. '&text=' .. urlencode(to_translate) .. '&key=' .. API_KEY
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local resp_json, code = https.request(urll)
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if (code == 200 and resp_json ~= nil) then
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local resp = json.decode(resp_json).text[1]
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w.left.text.header:set_markup('<big>' .. lang .. '</big>')
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w.left.text.src:set_markup('<b>' .. lang:sub(1,2) .. '</b>: <span color="#FFFFFF"> ' .. to_translate .. '</span>')
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w.left.text.res:set_markup('<b>' .. lang:sub(4) .. '</b>: <span color="#FFFFFF"> ' .. resp .. '</span>')
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awful.placement.top(w, { margins = {top = 25}})
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local h1 = w.left.text.header:get_height_for_width(w.width, w.screen)
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local h2 = w.left.text.src:get_height_for_width(w.width, w.screen)
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local h3 = w.left.text.res:get_height_for_width(w.width, w.screen)
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w.height = h1 + h2 + h3 + 20
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w.left.img:set_top((h1 + h2 + h3 + 20 - 48)/2)
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w.visible = true
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w:buttons(
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awful.util.table.join(
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awful.button({}, 1, function()
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awful.spawn.with_shell("echo '" .. resp .. "' | xclip -selection clipboard")
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w.visible = false
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end),
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awful.button({}, 3, function()
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awful.spawn.with_shell("echo '" .. to_translate .."' | xclip -selection clipboard")
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w.visible = false
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end)
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)
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)
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capi.keygrabber.run(function(_, key, event)
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if event == "release" then return end
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if key then
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capi.keygrabber.stop()
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w.visible = false
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end
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end)
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end
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end
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return {
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translate = translate
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}
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