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Added global border to wa.x and y instead of adding it every time we reference them
[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 = args.add_us_secondary or true
26    local timeout          = args.timeout or 5
27
28    local idx              = 1
29
30    -- Mouse bindings
31    kbdlayout.widget:buttons(awful.util.table.join(
32                               awful.button({ }, 1, function () kbdlayout.next() end),
33                               awful.button({ }, 3, function () kbdlayout.prev() end)))
34
35    local function run_settings (layout, variant)
36       widget = kbdlayout.widget
37       kbdlayout_now = { layout=string.match(layout, "[^,]+"), -- Make sure to match the primary layout only.
38                         variant=variant }
39       settings()
40    end
41
42    function kbdlayout.update ()
43       local status = read_pipe('setxkbmap -query')
44
45       run_settings(string.match(status, "layout:%s*([^\n]*)"),
46                    string.match(status, "variant:%s*([^\n]*)"))
47    end
48
49    function kbdlayout.set (i)
50       idx = ((i - 1) % #layouts) + 1 -- Make sure to wrap around as needed.
51       local to_execute = 'setxkbmap ' .. layouts[idx].layout
52
53       if add_us_secondary and not string.match(layouts[idx].layout, ",?us,?") then
54          to_execute = to_execute .. ",us"
55       end
56
57       if layouts[idx].variant then
58          to_execute = to_execute .. ' ' .. layouts[idx].variant
59       end
60
61       if os.execute(to_execute) then
62          run_settings(layouts[idx].layout, layouts[idx].variant)
63       end
64    end
65
66    function kbdlayout.next ()
67       kbdlayout.set(idx + 1)
68    end
69
70    function kbdlayout.prev ()
71       kbdlayout.set(idx - 1)
72    end
73
74    newtimer("kbdlayout", timeout, kbdlayout.update)
75    return setmetatable(kbdlayout, { __index = kbdlayout.widget })
76 end
77
78 return setmetatable({}, { __call = function (_, ...) return worker(...) end })