mirror of https://github.com/lcpz/lain.git
79 lines
2.5 KiB
Lua
79 lines
2.5 KiB
Lua
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--[[
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Licensed under GNU General Public License v2
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* (c) 2015, Dario Gjorgjevski
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--]]
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local helpers = require("lain.helpers")
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local awful = require("awful")
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local wibox = require("wibox")
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local string = { format = string.format,
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match = string.match }
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local execute = os.execute
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local setmetatable = setmetatable
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-- Keyboard layout switcher
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-- lain.widgets.contrib.kblayout
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local kbdlayout = helpers.make_widget_textbox()
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local function worker(args)
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local args = args or {}
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local layouts = args.layouts or {}
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local settings = args.settings or function () end
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local add_us_secondary = true
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local timeout = args.timeout or 5
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local idx = 1
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if args.add_us_secondary == false then add_us_secondary = false end
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local function kbd_run_settings(layout, variant)
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kbdlayout_now = {
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layout = string.match(layout, "[^,]+"), -- Make sure to match the primary layout only.
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variant = variant
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}
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widget = kbdlayout.widget
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settings()
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end
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function kbdlayout.update()
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helpers.async("setxkbmap -query", function(status)
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kbd_run_settings(string.match(status, "layout:%s*([^\n]*)"),
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string.match(status, "variant:%s*([^\n]*)"))
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end)
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end
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function kbdlayout.set(i)
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if #layouts == 0 then return end
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idx = ((i - 1) % #layouts) + 1 -- Make sure to wrap around as needed.
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local to_execute = "setxkbmap " .. layouts[idx].layout
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if add_us_secondary and not string.match(layouts[idx].layout, ",?us,?") then
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to_execute = to_execute .. ",us"
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end
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if layouts[idx].variant then
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to_execute = to_execute .. " " .. layouts[idx].variant
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end
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if execute(to_execute) then
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kbd_run_settings(layouts[idx].layout, layouts[idx].variant)
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end
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end
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function kbdlayout.next() kbdlayout.set(idx + 1) end
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function kbdlayout.prev() kbdlayout.set(idx - 1) end
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-- Mouse bindings
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kbdlayout.widget:buttons(awful.util.table.join(
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awful.button({ }, 1, function () kbdlayout.next() end),
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awful.button({ }, 3, function () kbdlayout.prev() end)))
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helpers.newtimer("kbdlayout", timeout, kbdlayout.update)
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return setmetatable(kbdlayout, { __index = kbdlayout.widget })
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end
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return setmetatable({}, { __call = function (_, ...) return worker(...) end })
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