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