96 lines
2.9 KiB
Lua
96 lines
2.9 KiB
Lua
--[[
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Licensed under GNU General Public License v2
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* (c) 2017, Luca CPZ
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* (c) 2013, romockee
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--]]
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local gears = require("gears")
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local wibox = require("wibox")
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local date = os.date
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local ipairs = ipairs
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local math = math
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local select = select
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local string = string
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local binclock = {}
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function binclock.dec2bin(num, bits)
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local bits, t = bits or select(2, math.frexp(num)), {}
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for b = bits, 1, -1 do
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t[b] = math.fmod(num, 2)
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num = (num - t[b]) / 2
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end
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return t
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end
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function binclock.paintdot(cr, val, shift)
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local height = 0
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for _, bit in ipairs(binclock.dec2bin(val, 4)) do
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if bit >= 1 then
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cr:set_source(gears.color(binclock.color_active))
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else
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cr:set_source(gears.color(binclock.color_inactive))
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end
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cr:rectangle(shift, height, binclock.dotsize, binclock.dotsize)
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cr:fill()
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height = height + binclock.dotsize + binclock.step
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end
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end
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local function factory(args)
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local args = args or {}
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binclock.width = args.width or 42
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binclock.height = args.height or 18
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binclock.show_seconds = args.show_seconds or false
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binclock.color_active = args.color_active or "#CCCCCC"
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binclock.color_inactive = args.color_inactive or "#444444"
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binclock.dotsize = math.floor(binclock.height / 5)
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binclock.step = math.floor(binclock.dotsize / 3)
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binclock.widget = wibox.widget {
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fit = function(self, context, width, height)
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return binclock.width, binclock.height
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end,
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draw = function(self, context, cr, width, height)
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local t = date("*t")
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local hour = string.format("%02d", t.hour)
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local min = string.format("%02d", t.min)
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local sec = string.format("%02d", t.sec)
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local col_count = 4
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if binclock.show_seconds then
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col_count = 6
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end
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local step = math.floor((binclock.width - col_count * binclock.dotsize) / 8)
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binclock.paintdot(cr, string.sub(hour, 1, 1), step, 2)
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binclock.paintdot(cr, string.sub(hour, 2, 2), binclock.dotsize + 2 * step)
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binclock.paintdot(cr, string.sub(min, 1, 1), binclock.dotsize * 2 + 4 * step)
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binclock.paintdot(cr, string.sub(min, 2, 2), binclock.dotsize * 3 + 5 * step)
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if binclock.show_seconds then
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binclock.paintdot(cr, string.sub(sec, 1, 1), binclock.dotsize * 4 + 7 * step)
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binclock.paintdot(cr, string.sub(sec, 2, 2), binclock.dotsize * 5 + 8 * step)
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end
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end,
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layout = wibox.widget.base.make_widget
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}
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binclock.timer = gears.timer {
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autostart = true,
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timeout = binclock.show_seconds and 1 or 60,
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callback = function()
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binclock.widget:emit_signal("widget::redraw_needed")
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end
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}
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return binclock
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end
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return factory
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