]> git.madduck.net Git - etc/awesome.git/blob - 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:

allow add_us_secondary to be turned off.
[etc/awesome.git] / widgets / contrib / kbdlayout.lua
1
2 --[[
3                                                   
4      Licensed under GNU General Public License v2 
5       * (c) 2015, Dario Gjorgjevski               
6                                                   
7 --]]
8
9 local newtimer     = require("lain.helpers").newtimer
10 local read_pipe    = require("lain.helpers").read_pipe
11
12 local wibox        = require("wibox")
13 local awful        = require("awful")
14
15 local string       = { match = string.match }
16
17 local setmetatable = setmetatable
18
19 local function worker (args)
20    local kbdlayout    = {}
21    kbdlayout.widget   = wibox.widget.textbox('')
22
23    local layouts          = args.layouts
24    local settings         = args.settings or function () end
25    local add_us_secondary = true
26    local timeout          = args.timeout or 5
27
28    local idx              = 1
29    
30    if args.add_us_secondary == false then add_us_secondary = false end
31
32    -- Mouse bindings
33    kbdlayout.widget:buttons(awful.util.table.join(
34                               awful.button({ }, 1, function () kbdlayout.next() end),
35                               awful.button({ }, 3, function () kbdlayout.prev() end)))
36
37    local function run_settings (layout, variant)
38       widget = kbdlayout.widget
39       kbdlayout_now = { layout=string.match(layout, "[^,]+"), -- Make sure to match the primary layout only.
40                         variant=variant }
41       settings()
42    end
43
44    function kbdlayout.update ()
45       local status = read_pipe('setxkbmap -query')
46
47       run_settings(string.match(status, "layout:%s*([^\n]*)"),
48                    string.match(status, "variant:%s*([^\n]*)"))
49    end
50
51    function kbdlayout.set (i)
52       idx = ((i - 1) % #layouts) + 1 -- Make sure to wrap around as needed.
53       local to_execute = 'setxkbmap ' .. layouts[idx].layout
54
55       if add_us_secondary and not string.match(layouts[idx].layout, ",?us,?") then
56          to_execute = to_execute .. ",us"
57       end
58
59       if layouts[idx].variant then
60          to_execute = to_execute .. ' ' .. layouts[idx].variant
61       end
62
63       if os.execute(to_execute) then
64          run_settings(layouts[idx].layout, layouts[idx].variant)
65       end
66    end
67
68    function kbdlayout.next ()
69       kbdlayout.set(idx + 1)
70    end
71
72    function kbdlayout.prev ()
73       kbdlayout.set(idx - 1)
74    end
75
76    newtimer("kbdlayout", timeout, kbdlayout.update)
77    return setmetatable(kbdlayout, { __index = kbdlayout.widget })
78 end
79
80 return setmetatable({}, { __call = function (_, ...) return worker(...) end })