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-rw-r--r--translate-widget/translate.lua60
1 files changed, 42 insertions, 18 deletions
diff --git a/translate-widget/translate.lua b/translate-widget/translate.lua
index bbcaefd..29d2295 100644
--- a/translate-widget/translate.lua
+++ b/translate-widget/translate.lua
@@ -1,15 +1,26 @@
+-------------------------------------------------
+-- Translate Widget
+
+-- @author Pavel Makhov
+-- @copyright 2017 Pavel Makhov
+-------------------------------------------------
+
package.path = package.path .. ";../../secrets.lua"
local secrets = require("secrets")
+
local awful = require("awful")
-local json = require("json")
+local capi = {keygrabber = keygrabber }
local https = require("ssl.https")
+local json = require("json")
local wibox = require("wibox")
-local capi = {keygrabber = keygrabber }
-local api_key = secrets.translate_widget_api_key
-local base_url = 'https://translate.yandex.net/api/v1.5/tr.json/translate'
+local API_KEY = secrets.translate_widget_api_key
+local BASE_URL = 'https://translate.yandex.net/api/v1.5/tr.json/translate'
--- extracts string for translation and langs
+--- 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)$')
@@ -19,17 +30,17 @@ local function extract(input_string)
return word, lang
end
--- replaces spaces with '+' sign
-local function urlencode(str)
- if (str) then
- str = string.gsub(str, " ", "+")
+--- Simple url encoder - replaces spaces with '+' sign
+-- @param url to encode
+local function urlencode(url)
+ if (url) then
+ url = string.gsub(url, " ", "+")
end
- return str
+ return url
end
local w = wibox {
width = 300,
- height = 80,
ontop = true,
screen = mouse.screen,
expand = true,
@@ -39,9 +50,13 @@ local w = wibox {
w:setup {
{
- image = '/usr/share/icons/Papirus-Dark/48x48/apps/gnome-translate.svg',
- resize = false,
- widget = wibox.widget.imagebox
+ {
+ 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)
},
{
{
@@ -57,25 +72,34 @@ w:setup {
widget = wibox.widget.textbox
},
id = 'text',
- layout = wibox.layout.flex.vertical,
+ 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 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('<span color="#FFFFFF"> ' .. to_translate .. '</span>')
- w.left.text.res:set_markup('<span color="#FFFFFF"> ' .. resp .. '</span>')
+ 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(