52 lines
1.6 KiB
Lua
52 lines
1.6 KiB
Lua
---------------------------------------------------------------------------
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--- Text clock widget.
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--
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-- @author Julien Danjou <julien@danjou.info>
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-- @copyright 2009 Julien Danjou
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-- @release @AWESOME_VERSION@
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-- @classmod awful.widget.textclock
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---------------------------------------------------------------------------
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local setmetatable = setmetatable
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local os = os
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local textbox = require("wibox.widget.textbox")
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local timer = require("gears.timer")
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local DateTime = require("lgi").GLib.DateTime
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local textclock = { mt = {} }
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--- This lowers the timeout so that it occurs "correctly". For example, a timeout
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-- of 60 is rounded so that it occurs the next time the clock reads ":00 seconds".
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local function calc_timeout(real_timeout)
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return real_timeout - os.time() % real_timeout
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end
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--- Create a textclock widget. It draws the time it is in a textbox.
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--
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-- @param format The time format. Default is " %a %b %d, %H:%M ".
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-- @param timeout How often update the time. Default is 60.
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-- @return A textbox widget.
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function textclock.new(format, timeout)
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local format = format or " %a %b %d, %H:%M "
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local timeout = timeout or 60
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local w = textbox()
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local t = timer { timeout = timeout }
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t:connect_signal("timeout", function()
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w:set_markup(DateTime.new_now_local():format(format))
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t.timeout = calc_timeout(timeout)
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t:again()
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end)
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t:start()
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t:emit_signal("timeout")
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return w
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end
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function textclock.mt:__call(...)
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return textclock.new(...)
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end
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return setmetatable(textclock, textclock.mt)
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-- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80
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