]> git.madduck.net Git - etc/awesome.git/blobdiff - widgets/contrib/kbdlayout.lua

madduck's git repository

Every one of the projects in this repository is available at the canonical URL git://git.madduck.net/madduck/pub/<projectpath> — see each project's metadata for the exact URL.

All patches and comments are welcome. Please squash your changes to logical commits before using git-format-patch and git-send-email to patches@git.madduck.net. If you'd read over the Git project's submission guidelines and adhered to them, I'd be especially grateful.

SSH access, as well as push access can be individually arranged.

If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

calendar: fix async hanging notifications; closes #289
[etc/awesome.git] / widgets / contrib / kbdlayout.lua
index f9342a05c526877812d41ee6843ce000900373d1..8132c776b31c8e486914b9cc0093b1ae4bc4c839 100644 (file)
@@ -1,78 +1,78 @@
 
 --[[
-
-     Licensed under GNU General Public License v2
-      * (c) 2015, Dario Gjorgjevski
-
+                                                  
+     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 helpers      = require("lain.helpers")
 local awful        = require("awful")
-
-local string       = { match = string.match }
-
+local wibox        = require("wibox")
+local string       = { format = string.format,
+                       match  = string.match }
+local execute      = os.execute
 local setmetatable = setmetatable
 
-local function worker (args)
-   local kbdlayout    = {}
-   kbdlayout.widget   = wibox.widget.textbox('')
+-- Keyboard layout switcher
+-- lain.widgets.contrib.kblayout
+local kbdlayout = helpers.make_widget_textbox()
 
-   local layouts          = args.layouts
+local function worker(args)
+   local args             = args or {}
+   local layouts          = args.layouts or {}
    local settings         = args.settings or function () end
-   local add_us_secondary = args.add_us_secondary or true
+   local add_us_secondary = true
    local timeout          = args.timeout or 5
-
    local idx              = 1
 
-   -- Mouse bindings
-   kbdlayout.widget:buttons(awful.util.table.join(
-                              awful.button({ }, 1, function () kbdlayout.next() end),
-                              awful.button({ }, 3, function () kbdlayout.prev() end)))
+   if args.add_us_secondary == false then add_us_secondary = false end
 
-   local function run_settings (layout, variant)
+   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
-      kbdlayout_now = { layout=string.match(layout, "[^,]+"), -- Make sure to match the primary layout only.
-                       variant=variant }
       settings()
    end
 
-   function kbdlayout.update ()
-      local status = read_pipe('setxkbmap -query')
-
-      run_settings(string.match(status, "layout:%s*([^\n]*)"),
-                   string.match(status, "variant:%s*([^\n]*)"))
+   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)
+   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
+      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)
+      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.next() kbdlayout.set(idx + 1) end
+   function kbdlayout.prev() 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)
 
-   newtimer("kbdlayout", timeout, kbdlayout.update)
-   return setmetatable(kbdlayout, { __index = kbdlayout.widget })
+   return kbdlayout
 end
 
 return setmetatable({}, { __call = function (_, ...) return worker(...) end })