+--[[
+
+ Licensed under GNU General Public License v2
+ * (c) 2015, Dario Gjorgjevski
+
+--]]
+
local newtimer = require("lain.helpers").newtimer
+local read_pipe = require("lain.helpers").read_pipe
+
local wibox = require("wibox")
+local awful = require("awful")
local string = { match = string.match }
-local io = { popen = io.popen }
local setmetatable = setmetatable
-local function worker (args)
+-- Keyboard layout switcher
+-- lain.widgets.contrib.kblayout
+
+local function worker(args)
local kbdlayout = {}
kbdlayout.widget = wibox.widget.textbox('')
- local settings = args.settings or function () end
- local layouts = args.layouts
- local idx = 1
-
- local function run_settings (layout, variant)
+ local layouts = args.layouts
+ local settings = args.settings or function () end
+ local add_us_secondary = true
+ local timeout = args.timeout or 5
+ local idx = 1
+
+ if args.add_us_secondary == false then add_us_secondary = false end
+
+ -- Mouse bindings
+ kbdlayout.widget:buttons(awful.util.table.join(
+ awful.button({ }, 1, function () kbdlayout.next() end),
+ awful.button({ }, 3, function () kbdlayout.prev() end)))
+
+ local function run_settings(layout, variant)
widget = kbdlayout.widget
- kbdlayout_now = { layout=layout, variant=variant }
+ kbdlayout_now = { layout=string.match(layout, "[^,]+"), -- Make sure to match the primary layout only.
+ variant=variant }
settings()
end
-
- function kbdlayout.update ()
- local file = assert(io.popen('setxkbmap -query'))
- local status = file:read('*all')
- file:close()
-
- run_settings(string.match(status, "layout:%s*([^\n]*)%s*"),
- string.match(status, "variant:%s*([^\n]*)%s*"))
+
+ function kbdlayout.update()
+ local status = read_pipe('setxkbmap -query')
+
+ run_settings(string.match(status, "layout:%s*([^\n]*)"),
+ string.match(status, "variant:%s*([^\n]*)"))
end
- function kbdlayout.set (i)
+ function kbdlayout.set(i)
idx = ((i - 1) % #layouts) + 1 -- Make sure to wrap around as needed.
local to_execute = 'setxkbmap ' .. layouts[idx].layout
+ if add_us_secondary and not string.match(layouts[idx].layout, ",?us,?") then
+ to_execute = to_execute .. ",us"
+ end
+
if layouts[idx].variant then
- to_execute = to_execute .. ' ' .. layouts[idx].variant
+ to_execute = to_execute .. ' ' .. layouts[idx].variant
end
if os.execute(to_execute) then
- run_settings(layouts[idx].layout, layouts[idx].variant)
+ run_settings(layouts[idx].layout, layouts[idx].variant)
end
end
- function kbdlayout.next ()
+ function kbdlayout.next()
kbdlayout.set(idx + 1)
end
- function kbdlayout.prev ()
+ function kbdlayout.prev()
kbdlayout.set(idx - 1)
end
- newtimer("kbdlayout", args.timeout or 10, kbdlayout.update)
+ newtimer("kbdlayout", timeout, kbdlayout.update)
return setmetatable(kbdlayout, { __index = kbdlayout.widget })
end