Add '.config/awesome/lain/' from commit 'fc6e880da40668c6e9bd9da3786ff2fcae519c75'

[etc/awesome.git] / .config / awesome / lain / widget / contrib / kbdlayout.lua

diff --git a/.config/awesome/lain/widget/contrib/kbdlayout.lua b/.config/awesome/lain/widget/contrib/kbdlayout.lua
new file mode 100644 (file)
index 0000000..5964bd7
--- /dev/null
+++ b/.config/awesome/lain/widget/contrib/kbdlayout.lua
@@ -0,0 +1,78 @@
+
+--[[
+                                                  
+     Licensed under GNU General Public License v2 
+      * (c) 2015, Dario Gjorgjevski               
+                                                  
+--]]
+
+local helpers      = require("lain.helpers")
+local awful        = require("awful")
+local wibox        = require("wibox")
+local string       = { format = string.format,
+                       match  = string.match }
+local execute      = os.execute
+local setmetatable = setmetatable
+
+-- Keyboard layout switcher
+-- lain.widget.contrib.kblayout
+
+local function factory(args)
+    local kbdlayout        = { widget = wibox.widget.textbox() }
+    local args             = args or {}
+    local layouts          = args.layouts or {}
+    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
+
+    local function kbd_run_settings(layout, variant)
+        kbdlayout_now = {
+            layout  = string.match(layout, "[^,]+"), -- Make sure to match the primary layout only.
+            variant = variant
+        }
+        widget = kbdlayout.widget
+        settings()
+    end
+
+    function kbdlayout.update()
+        helpers.async("setxkbmap -query", function(status)
+            kbd_run_settings(string.match(status, "layout:%s*([^\n]*)"),
+            string.match(status, "variant:%s*([^\n]*)"))
+        end)
+    end
+
+    function kbdlayout.set(i)
+        if #layouts == 0 then return end
+        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
+        end
+
+        if execute(to_execute) then
+            kbd_run_settings(layouts[idx].layout, layouts[idx].variant)
+        end
+   end
+
+   function kbdlayout.next() kbdlayout.set(idx + 1) end
+   function kbdlayout.prev() kbdlayout.set(idx - 1) end
+
+   -- Mouse bindings
+   kbdlayout.widget:buttons(awful.util.table.join(
+                              awful.button({ }, 1, function () kbdlayout.next() end),
+                              awful.button({ }, 3, function () kbdlayout.prev() end)))
+
+   helpers.newtimer("kbdlayout", timeout, kbdlayout.update)
+
+   return kbdlayout
+end
+
+return factory