first version

translate-widget/translate.lua

@@ -0,0 +1,102 @@
+package.path = package.path .. ";../../secrets.lua"
+local secrets = require("secrets")
+local awful = require("awful")
+local gears = require("gears")
+local json = require("json")
+local https = require("ssl.https")
+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'
+
+-- extracts string for translation and langs
+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
+
+-- replaces spaces with '+' sign
+local function urlencode(str)
+    if (str) then
+        str = string.gsub(str, " ", "+")
+    end
+    return str
+end
+
+local translate_widget = wibox.widget {
+    forced_num_cols = 1,
+    forced_num_rows = 3,
+    homogeneous = true,
+    expand = true,
+    vertical_spacing = 5,
+    horizontal_expand = true,
+    vertical_expand = true,
+    layout = wibox.layout.grid
+}
+
+local lang_wdgt = wibox.widget{
+    widget = wibox.widget.textbox,
+    align  = 'center',
+    valign = 'center'
+}
+
+local to_translate_wdgt = wibox.widget{
+    widget = wibox.widget.textbox,
+    align  = 'center',
+    valign = 'center'
+}
+
+local translation_wdgt = wibox.widget{
+    widget = wibox.widget.textbox,
+    align  = 'center',
+    valign = 'center'
+}
+
+translate_widget:add_widget_at(lang_wdgt, 1,1,1,1)
+translate_widget:add_widget_at(to_translate_wdgt, 2,1,1,1)
+translate_widget:add_widget_at(translation_wdgt, 3,1,1,1)
+
+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]
+
+        lang_wdgt:set_markup('<big>' .. lang.. '</big>')
+        to_translate_wdgt:set_text(to_translate)
+        translation_wdgt:set_text(resp)
+
+        local w = wibox {
+            width = 300,
+            height = 50,
+            ontop = true,
+            screen = mouse.screen,
+            shape_clip = true,
+            shape = gears.shape.rounded_rect,
+            widget = translate_widget
+        }
+        awful.placement.top_right(w, { margins = {top = 25}})
+        w.visible = true
+        w:buttons(
+            awful.util.table.join(
+                awful.button({}, 1, function() awful.spawn.with_shell("echo left | xsel --clipboard")
+                    w.visible = false
+                end),
+                awful.button({}, 3, function()
+                    awful.spawn.with_shell("echo right | xsel --clipboard")
+                    w.visible = false
+                end)
+            )
+        )
+    end
+end
+
+return {
+    translate = translate
+}